diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 8bf98af3ee..920e7f8373 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -112,6 +112,10 @@ jobs:
             fabric_server_url: https://meta.fabricmc.net/v2/versions/loader/1.21.3/0.16.7/1.0.1/server/jar
             fabric_api_url: https://cdn.modrinth.com/data/P7dR8mSH/versions/dhD4I4lJ/fabric-api-0.106.1%2B1.21.3.jar
             packtest_url: https://cdn.modrinth.com/data/XsKUhp45/versions/wjOUK14F/packtest-1.9-mc1.21.2.jar
+          - version: '1.21.4'
+            fabric_server_url: https://meta.fabricmc.net/v2/versions/loader/1.21.4-rc1/0.16.9/1.0.1/server/jar
+            fabric_api_url: https://cdn.modrinth.com/data/P7dR8mSH/versions/X7o8njVT/fabric-api-0.110.2%2B1.21.4.jar
+            packtest_url: https://cdn.modrinth.com/data/XsKUhp45/versions/owHaqexZ/packtest-1.10-beta1-mc1.21.4.jar
     name: 'test-${{ matrix.version }}'
     runs-on: ubuntu-24.04
     steps:
diff --git a/base/data/gm4/advancement/intro_song/welcome_toast.json b/base/data/gm4/advancement/intro_song/welcome_toast.json
index 1ef08ffcc0..037ad53ff2 100644
--- a/base/data/gm4/advancement/intro_song/welcome_toast.json
+++ b/base/data/gm4/advancement/intro_song/welcome_toast.json
@@ -3,7 +3,11 @@
     "icon": {
       "id": "minecraft:command_block",
       "components": {
-        "minecraft:custom_model_data": 3420001
+        "minecraft:custom_model_data": {
+          "floats": [
+            3420001
+          ]
+        }
       }
     },
     "title": {
diff --git a/base/data/gm4/tags/block/foliage.json b/base/data/gm4/tags/block/foliage.json
index d715255881..86bdc2f751 100644
--- a/base/data/gm4/tags/block/foliage.json
+++ b/base/data/gm4/tags/block/foliage.json
@@ -1,7 +1,11 @@
 {
   "values": [
     "#minecraft:small_flowers",
-    "#minecraft:tall_flowers",
+    "minecraft:sunflower",
+    "minecraft:lilac",
+    "minecraft:peony",
+    "minecraft:rose_bush",
+    "minecraft:pitcher_plant",
     "minecraft:azalea",
     "minecraft:flowering_azalea",
     "minecraft:big_dripleaf",
@@ -14,13 +18,14 @@
     "minecraft:dead_bush",
     "minecraft:fern",
     "minecraft:glow_lichen",
-    { "id": "minecraft:grass", "required": false },
-    { "id": "minecraft:short_grass", "required": false },
+    "minecraft:short_grass",
     "minecraft:hanging_roots",
     "minecraft:large_fern",
     "minecraft:mangrove_propagule",
     "minecraft:moss_carpet",
     "minecraft:nether_sprouts",
+    { "id": "minecraft:pale_hanging_moss", "required": false },
+    { "id": "minecraft:pale_moss_carpet", "required": false },
     "minecraft:pink_petals",
     "minecraft:red_mushroom",
     "minecraft:small_dripleaf",
diff --git a/base/data/gm4/tags/block/full_collision.json b/base/data/gm4/tags/block/full_collision.json
index a6a1f82f81..2b8fac7d0d 100644
--- a/base/data/gm4/tags/block/full_collision.json
+++ b/base/data/gm4/tags/block/full_collision.json
@@ -54,6 +54,7 @@
         "minecraft:chiseled_polished_blackstone",
         "minecraft:chiseled_quartz_block",
         "minecraft:chiseled_red_sandstone",
+        { "id": "minecraft:chiseled_resin_bricks", "required": false },
         "minecraft:chiseled_sandstone",
         "minecraft:chiseled_stone_bricks",
         "minecraft:chiseled_tuff",
@@ -74,6 +75,7 @@
         "minecraft:cracked_stone_bricks",
         "minecraft:crafter",
         "minecraft:crafting_table",
+        { "id": "minecraft:creaking_heart", "required": false },
         "minecraft:crimson_nylium",
         "minecraft:crying_obsidian",
         "minecraft:cut_copper",
@@ -255,6 +257,8 @@
         "minecraft:redstone_ore",
         "minecraft:reinforced_deepslate",
         "minecraft:repeating_command_block",
+        { "id": "minecraft:resin_block", "required": false },
+        { "id": "minecraft:resin_bricks", "required": false },
         "minecraft:respawn_anchor",
         "minecraft:sand",
         "minecraft:sandstone",
diff --git a/base/data/gm4/tags/block/no_collision.json b/base/data/gm4/tags/block/no_collision.json
index d76c900428..b7975866b6 100644
--- a/base/data/gm4/tags/block/no_collision.json
+++ b/base/data/gm4/tags/block/no_collision.json
@@ -13,7 +13,11 @@
     "#minecraft:rails",
     "#minecraft:signs",
     "#minecraft:small_flowers",
-    "#minecraft:tall_flowers",
+    "minecraft:sunflower",
+    "minecraft:lilac",
+    "minecraft:peony",
+    "minecraft:rose_bush",
+    "minecraft:pitcher_plant",
     "#minecraft:wall_corals",
     "minecraft:acacia_sapling",
     "minecraft:attached_melon_stem",
@@ -48,8 +52,7 @@
     "minecraft:fern",
     "minecraft:frogspawn",
     "minecraft:glow_lichen",
-    { "id": "minecraft:grass", "required": false },
-    { "id": "minecraft:short_grass", "required": false },
+    "minecraft:short_grass",
     "minecraft:hanging_roots",
     "minecraft:jungle_sapling",
     "minecraft:ladder",
@@ -61,6 +64,8 @@
     "minecraft:nether_sprouts",
     "minecraft:nether_wart",
     "minecraft:oak_sapling",
+    { "id": "minecraft:pale_hanging_moss", "required": false },
+    { "id": "minecraft:pale_oak_sapling", "required": false },
     "minecraft:pink_petals",
     "minecraft:powder_snow",
     "minecraft:red_mushroom",
diff --git a/base/data/gm4/tags/block/replaceable.json b/base/data/gm4/tags/block/replaceable.json
index 38cf4e7932..ba2547b674 100644
--- a/base/data/gm4/tags/block/replaceable.json
+++ b/base/data/gm4/tags/block/replaceable.json
@@ -7,13 +7,13 @@
     "minecraft:dead_bush",
     "minecraft:fern",
     "minecraft:glow_lichen",
-    { "id": "minecraft:grass", "required": false },
-    { "id": "minecraft:short_grass", "required": false },
+    "minecraft:short_grass",
     "minecraft:hanging_roots",
     "minecraft:large_fern",
     "minecraft:lava",
     "minecraft:light",
     "minecraft:nether_sprouts",
+    { "id": "minecraft:resin_clump", "required": false },
     "minecraft:sculk_vein",
     "minecraft:seagrass",
     "minecraft:snow",
diff --git a/base/data/gm4/tags/block/waterloggable.json b/base/data/gm4/tags/block/waterloggable.json
index b3d87ffc63..877b7c01d4 100644
--- a/base/data/gm4/tags/block/waterloggable.json
+++ b/base/data/gm4/tags/block/waterloggable.json
@@ -59,6 +59,7 @@
     "minecraft:pointed_dripstone",
     "minecraft:purple_stained_glass_pane",
     "minecraft:red_stained_glass_pane",
+    { "id": "minecraft:resin_clump", "required": false },
     "minecraft:scaffolding",
     "minecraft:sculk_sensor",
     "minecraft:sculk_vein",
diff --git a/base/data/gm4/tags/entity_type/neutral_hostile.json b/base/data/gm4/tags/entity_type/neutral_hostile.json
index 405100ab0b..3894776585 100644
--- a/base/data/gm4/tags/entity_type/neutral_hostile.json
+++ b/base/data/gm4/tags/entity_type/neutral_hostile.json
@@ -1,6 +1,7 @@
 {
     "values": [
         "minecraft:cave_spider",
+        { "id": "minecraft:creaking", "required": false },
         "minecraft:drowned",
         "minecraft:enderman",
         "minecraft:piglin",
diff --git a/gm4/plugins/backwards.py b/gm4/plugins/backwards.py
index 1945966af3..2520a11d7d 100644
--- a/gm4/plugins/backwards.py
+++ b/gm4/plugins/backwards.py
@@ -1,7 +1,8 @@
 import re
 import logging
-from typing import Any
-from beet import Context, TextFileBase, Recipe
+from typing import Any, Tuple, Callable
+from beet import Context, Pack, TextFileBase, Recipe, Function, NamespaceFile
+from beet.core.utils import SupportedFormats
 
 logger = logging.getLogger("gm4.backwards")
 
@@ -9,8 +10,49 @@
 def beet_default(ctx: Context):
   yield
 
-  rewrite_attributes(ctx)
-  rewrite_recipes(ctx)
+  # backporting to 1.21.3 (57)
+  backport(ctx.data, 57, rewrite_furnace_nbt)
+  backport(ctx.data, 57, rewrite_custom_model_data)
+
+  # backporting to 1.21.1 (48)
+  backport(ctx.data, 48, rewrite_attributes)
+  backport(ctx.data, 48, rewrite_recipe)
+
+
+FURNACE_RENAMES = {
+  "cooking_time_spent": "CookTime",
+  "cooking_total_time": "CookTimeTotal",
+  "lit_time_remaining": "BurnTime",
+  "lit_total_time": None,
+}
+
+def rewrite_furnace_nbt(id: str, resource: NamespaceFile):
+  if not isinstance(resource, Function):
+    return None
+  text = resource.text
+  for src_field, overlay_field in FURNACE_RENAMES.items():
+    if overlay_field is None:
+      if re.match("\\b" + src_field + "\\b", text):
+        logger.error(f"Cannot backport furnace field {src_field} in function {id}")
+    else:
+      text = re.sub("\\b" + src_field + "\\b", overlay_field, text)
+  if text == resource.text:
+    return None
+  overlay = resource.copy()
+  overlay.text = text
+  return overlay
+
+
+def rewrite_custom_model_data(id: str, resource: NamespaceFile):
+  if not isinstance(resource, TextFileBase):
+    return None
+  text = resource.text
+  text = re.sub(r"\{\s*[\"']?floats[\"']?\s*:\s*\[\s*(\d+)[Ff]?\s*\]\s*\}", r"\1", text)
+  if text == resource.text:
+    return None
+  overlay = resource.copy()
+  overlay.text = text
+  return overlay
 
 
 ATTRIBUTES_RENAMES = {
@@ -49,23 +91,23 @@ def beet_default(ctx: Context):
 }
 
 # Removes the generic. and other prefixes from attribute IDs
-def rewrite_attributes(ctx: Context):
-  for id, resource in ctx.data.all():
-    if isinstance(resource, TextFileBase):
-      resource.source_stop
-      overlay_text = resource.text
-      for src_attribute, overlay_attribute in ATTRIBUTES_RENAMES.items():
-        overlay_text = re.sub("\\b" + src_attribute + "\\b", overlay_attribute, overlay_text)
-      if overlay_text != resource.text:
-        overlay_resource = resource.copy()
-        overlay_resource.text = overlay_text
-        overlay = ctx.data.overlays["overlay_48"]
-        overlay.supported_formats = { "min_inclusive": 48, "max_inclusive": 48 }
-        overlay[id] = overlay_resource
+def rewrite_attributes(id: str, resource: NamespaceFile):
+  if not isinstance(resource, TextFileBase):
+    return None
+  text = resource.text
+  for src_attribute, overlay_attribute in ATTRIBUTES_RENAMES.items():
+    text = re.sub("\\b" + src_attribute + "\\b", overlay_attribute, text)
+  if text == resource.text:
+    return None
+  overlay = resource.copy()
+  overlay.text = text
+  return overlay
 
 
 # Rewrites the recipe ingredients to the old {"item": "..."} format
-def rewrite_recipes(ctx: Context):
+def rewrite_recipe(id: str, resource: NamespaceFile):
+  if not isinstance(resource, Recipe):
+    return None
   
   def rewrite_ingredient(ingr: str | list[str]) -> Any:
     if isinstance(ingr, list):
@@ -73,39 +115,63 @@ def rewrite_ingredient(ingr: str | list[str]) -> Any:
     if ingr.startswith("#"):
       return { "tag": ingr[1:] }
     return { "item": ingr }
-  
-  def rewrite_recipe(id: str, resource: Recipe):
-    # If an overlay already exists for this recipe, us the contents of that
-    # TODO: generalize this for all rewrite functions and handle multiple overlays
-    for overlay in ctx.data.overlays.values():
-      if id in overlay.recipes:
-        resource = overlay.recipes[id]
-        break
-
-    overlay_resource = resource.copy()
-    data = overlay_resource.data
-
-    if "crafting_transmute" in data["type"]:
-      logger.warning(f"Cannot backport crafting_transmute recipe {id}")
-      return
-
-    if "base" in data:
-      data["base"] = rewrite_ingredient(data["base"])
-    if "addition" in data:
-      data["addition"] = rewrite_ingredient(data["addition"])
-    if "ingredient" in data:
-      data["ingredient"] = rewrite_ingredient(data["ingredient"])
-    if "ingredients" in data:
-      data["ingredients"] = [rewrite_ingredient(ingr) for ingr in data["ingredients"]]
-    if "key" in data:
-      data["key"] = {k: rewrite_ingredient(ingr) for k, ingr in data["key"].items()}
-
-    overlay = ctx.data.overlays["overlay_48"]
-    overlay.supported_formats = { "min_inclusive": 48, "max_inclusive": 48 }
-    overlay[id] = overlay_resource
-
-  for id, resource in ctx.data.recipes.items():
+
+  overlay = resource.copy()
+  data = overlay.data
+
+  if "crafting_transmute" in data["type"]:
+    logger.warning(f"Cannot backport crafting_transmute recipe {id}")
+    return None
+
+  if "base" in data:
+    data["base"] = rewrite_ingredient(data["base"])
+  if "addition" in data:
+    data["addition"] = rewrite_ingredient(data["addition"])
+  if "ingredient" in data:
+    data["ingredient"] = rewrite_ingredient(data["ingredient"])
+  if "ingredients" in data:
+    data["ingredients"] = [rewrite_ingredient(ingr) for ingr in data["ingredients"]]
+  if "key" in data:
+    data["key"] = {k: rewrite_ingredient(ingr) for k, ingr in data["key"].items()}
+
+  return overlay
+
+
+def backport(pack: Pack[Any], format: int, run: Callable[[str, NamespaceFile], NamespaceFile | None]):
+  resources: dict[Tuple[type[NamespaceFile], str], NamespaceFile] = dict()
+
+  for file_type in pack.resolve_scope_map().values():
+    proxy = pack[file_type]
+    for path in proxy.keys():
+      resources[(file_type, path)] = proxy[path]
+
+  for overlay in pack.overlays.values():
+    overlay_formats = overlay.supported_formats or overlay.pack_format
+    if check_formats(overlay_formats, format):
+      for file_type in overlay.resolve_scope_map().values():
+        proxy = overlay[file_type]
+        for path in proxy.keys():
+          resources[(file_type, path)] = proxy[path]
+
+  for (file_type, path), resource in resources.items():
     try:
-      rewrite_recipe(id, resource)
+      new_resource = run(path, resource)
     except BaseException as e:
-      logger.error(f"Failed to backport recipe {id}: {e}")
+      e.add_note(f"Failed to backport[{run.__name__}] {file_type.snake_name} {path}")
+      raise e
+    if new_resource:
+      overlay = pack.overlays[f"backport_{format}"]
+      overlay.supported_formats = { "min_inclusive": 0, "max_inclusive": format }
+      overlay[path] = new_resource
+
+
+def check_formats(supported: SupportedFormats, format: int):
+  match supported:
+    case int(value):
+      return value == format
+    case [min, max]:
+      return min <= format <= max
+    case { "min_inclusive": min, "max_inclusive": max }:
+      return min <= format <= max
+    case _:
+      raise ValueError(f"Unknown supported)formats structure {supported}")
diff --git a/gm4/plugins/manifest.py b/gm4/plugins/manifest.py
index 9447e91e87..c8f76ebe5d 100644
--- a/gm4/plugins/manifest.py
+++ b/gm4/plugins/manifest.py
@@ -21,7 +21,7 @@
 
 parent_logger = logging.getLogger("gm4.manifest")
 
-SUPPORTED_GAME_VERSIONS = ["1.21", "1.21.1", "1.21.2", "1.21.3"]
+SUPPORTED_GAME_VERSIONS = ["1.21", "1.21.1", "1.21.2", "1.21.3", "1.21.4"]
 
 # config models for beet.yaml metas
 CreditsModel = dict[str, list[str]]
diff --git a/gm4/plugins/module.py b/gm4/plugins/module.py
index 7734c62472..deb2c5f164 100644
--- a/gm4/plugins/module.py
+++ b/gm4/plugins/module.py
@@ -15,7 +15,11 @@ def gm4_root_advancement(ctx: Context):
                     "icon": {
                         "id": "command_block",
                         "components": {
-                            "minecraft:custom_model_data": 3420001
+                            "minecraft:custom_model_data": {
+                                "floats": [
+                                    3420001
+                                ]
+                            }
                         }
                     },
                     "title": {
diff --git a/gm4/plugins/resource_pack.py b/gm4/plugins/resource_pack.py
index 996a55cb9f..b560f4196d 100644
--- a/gm4/plugins/resource_pack.py
+++ b/gm4/plugins/resource_pack.py
@@ -552,22 +552,15 @@ def json_substitutions(self, node: AstJsonObjectEntry, **kwargs: Any):
             index, exc = self.retrieve_index(add_namespace(reference, self.ctx.project_id))
             if exc:
                 yield Diagnostic("error", str(exc), filename=kwargs.get("filename"), file=kwargs.get("file"))
-            node = replace(node, value=AstJsonValue.from_value(index+self.cmd_prefix))
+            node = replace(node, value=AstJsonValue.from_value({ "floats": [index+self.cmd_prefix] }))
         return node
     
     @rule(AstJsonObject)
-    def json_substitutions_item_modifier(self, node: AstJsonObjectEntry, **kwargs: Any):
-        match node.evaluate(): # type: ignore , node has evaluate method
-            case {"function": "minecraft:set_custom_model_data", "value": str(reference)}:
-                index, exc = self.retrieve_index(add_namespace(reference, self.ctx.project_id))
-                if exc:
-                    yield Diagnostic("error", str(exc), filename=kwargs.get("filename"), file=kwargs.get("file"))
-                node = replace(node, entries=AstChildren([
-                    replace(child, value=AstJsonValue.from_value(index+self.cmd_prefix))  # type: ignore , child is AstJsonValue
-                    if child.key==AstJsonObjectKey(value="value") # type: ignore , child is AstJsonValue
-                    else child
-                    for child in node.entries # type: ignore , child is AstJsonValue
-                ])) # type: ignore
+    def json_substitutions_item_modifier(self, node: AstJsonObject, **kwargs: Any):
+        match node.evaluate():
+            case {"function": "minecraft:set_custom_model_data"}:
+                yield Diagnostic("error", "Item modifier set_custom_model_data is not supported", filename=kwargs.get("filename"), file=kwargs.get("file"))
+            case _: pass
         return node
 
     @rule(AstNbtCompoundEntry, key=AstNbtCompoundKey(value="minecraft:custom_model_data"))
@@ -577,7 +570,7 @@ def cmd_substitutions_nbt(self, node: AstNbtCompoundEntry, **kwargs: Any):
             index, exc = self.retrieve_index(add_namespace(reference, self.ctx.project_id))
             if exc:
                 yield Diagnostic("error", str(exc), filename=kwargs.get("filename"), file=kwargs.get("file"))
-            node = replace(node, value=AstNbtValue.from_value(index+self.cmd_prefix))
+            node = replace(node, value=AstNbtValue.from_value({ "floats": [index+self.cmd_prefix] }))
         return node
 
     @rule(AstItemComponent)
@@ -589,7 +582,7 @@ def cmd_substitutions_component(self, node: AstItemComponent | AstItemPredicateT
                 index, exc = self.retrieve_index(add_namespace(reference, self.ctx.project_id))
                 if exc:
                     yield Diagnostic("error", str(exc), filename=kwargs.get("filename"), file=kwargs.get("file"))
-                node = replace(node, value=AstNbtValue.from_value(index+self.cmd_prefix))
+                node = replace(node, value=AstNbtValue.from_value({ "floats": [index+self.cmd_prefix] }))
         return node
 
     @rule(AstCommand, identifier="data:modify:storage:target:targetPath:set:value:value")
@@ -603,7 +596,7 @@ def cmd_substitutions_datamodify(self, node: AstCommand):
                 if exc:
                     d = Diagnostic("error", str(exc))
                     yield set_location(d, ast_nbt)
-                node = replace(node, arguments=AstChildren([ast_target, ast_target_path, AstNbtValue.from_value(index+self.cmd_prefix)]))
+                node = replace(node, arguments=AstChildren([ast_target, ast_target_path, AstNbtValue.from_value({ "floats": [index+self.cmd_prefix] })]))
         return node
     
     
diff --git a/gm4/plugins/write_mcmeta.py b/gm4/plugins/write_mcmeta.py
index 8be7664b4a..501774e6e0 100644
--- a/gm4/plugins/write_mcmeta.py
+++ b/gm4/plugins/write_mcmeta.py
@@ -9,17 +9,17 @@ def beet_default(ctx: Context):
 	manifest = ManifestCacheModel.parse_obj(ctx.cache["gm4_manifest"].json)
 	manifest_entry = {v.id:v for v in (manifest.modules|manifest.libraries).values()}.get(ctx.project_id, NoneAttribute())
 
-	ctx.data.pack_format = 57
-	ctx.data.supported_formats = {"min_inclusive": 48, "max_inclusive": 57}
-	ctx.assets.pack_format = 42
-	ctx.assets.supported_formats = {"min_inclusive": 34, "max_inclusive": 42}
+	ctx.data.pack_format = 61
+	ctx.data.supported_formats = {"min_inclusive": 48, "max_inclusive": 61}
+	ctx.assets.pack_format = 46
+	ctx.assets.supported_formats = {"min_inclusive": 34, "max_inclusive": 46}
 
 	for pack in ctx.packs:
 		pack.description = [
 			ctx.project_name,
 			"\n",
 			{
-				"text": f"Gamemode 4 for 1.21 - 1.21.3",
+				"text": f"Gamemode 4 for 1.21 - 1.21.4",
 				"color": "#4AA0C7"
 			}
 		]
diff --git a/gm4_auto_crafting/overlay_48/data/gm4_auto_crafting/function/check_recipes/1_2/2/28_36/28_32/28_29/29.mcfunction b/gm4_auto_crafting/backport_48/data/gm4_auto_crafting/function/check_recipes/1_2/2/28_36/28_32/28_29/29.mcfunction
similarity index 100%
rename from gm4_auto_crafting/overlay_48/data/gm4_auto_crafting/function/check_recipes/1_2/2/28_36/28_32/28_29/29.mcfunction
rename to gm4_auto_crafting/backport_48/data/gm4_auto_crafting/function/check_recipes/1_2/2/28_36/28_32/28_29/29.mcfunction
diff --git a/gm4_auto_crafting/overlay_48/data/gm4_auto_crafting/function/check_recipes/1_2/2/28_36/28_32/31_32/31.mcfunction b/gm4_auto_crafting/backport_48/data/gm4_auto_crafting/function/check_recipes/1_2/2/28_36/28_32/31_32/31.mcfunction
similarity index 100%
rename from gm4_auto_crafting/overlay_48/data/gm4_auto_crafting/function/check_recipes/1_2/2/28_36/28_32/31_32/31.mcfunction
rename to gm4_auto_crafting/backport_48/data/gm4_auto_crafting/function/check_recipes/1_2/2/28_36/28_32/31_32/31.mcfunction
diff --git a/gm4_auto_crafting/overlay_48/data/gm4_auto_crafting/loot_table/crafting/vanilla/bordure_indented_banner_pattern.json b/gm4_auto_crafting/backport_48/data/gm4_auto_crafting/loot_table/crafting/vanilla/bordure_indented_banner_pattern.json
similarity index 100%
rename from gm4_auto_crafting/overlay_48/data/gm4_auto_crafting/loot_table/crafting/vanilla/bordure_indented_banner_pattern.json
rename to gm4_auto_crafting/backport_48/data/gm4_auto_crafting/loot_table/crafting/vanilla/bordure_indented_banner_pattern.json
diff --git a/gm4_auto_crafting/overlay_48/data/gm4_auto_crafting/loot_table/crafting/vanilla/field_masoned_banner_pattern.json b/gm4_auto_crafting/backport_48/data/gm4_auto_crafting/loot_table/crafting/vanilla/field_masoned_banner_pattern.json
similarity index 100%
rename from gm4_auto_crafting/overlay_48/data/gm4_auto_crafting/loot_table/crafting/vanilla/field_masoned_banner_pattern.json
rename to gm4_auto_crafting/backport_48/data/gm4_auto_crafting/loot_table/crafting/vanilla/field_masoned_banner_pattern.json
diff --git a/gm4_auto_crafting/beet.yaml b/gm4_auto_crafting/beet.yaml
index afb4d07426..83c51f4e8b 100644
--- a/gm4_auto_crafting/beet.yaml
+++ b/gm4_auto_crafting/beet.yaml
@@ -10,7 +10,7 @@ data_pack:
     - formats:
         min_inclusive: 0
         max_inclusive: 48
-      directory: overlay_48
+      directory: backport_48
 
 resource_pack:
   load: .
diff --git a/gm4_auto_crafting/generate.py b/gm4_auto_crafting/generate.py
index 41396f2c58..16439125cf 100644
--- a/gm4_auto_crafting/generate.py
+++ b/gm4_auto_crafting/generate.py
@@ -264,6 +264,7 @@ class TagData:
 
 def beet_default(ctx: Context):
     vanilla = ctx.inject(Vanilla)
+    # Intentionally left at 1.21.3, not supporting new crafting recipes
     vanilla.minecraft_version = '1.21.3'
 
     recipes: list[RecipeData] = []
diff --git a/gm4_calling_bell/data/gm4_calling_bell/function/emerald_check.mcfunction b/gm4_calling_bell/data/gm4_calling_bell/function/emerald_check.mcfunction
index 32b0abaa88..cda62bac13 100644
--- a/gm4_calling_bell/data/gm4_calling_bell/function/emerald_check.mcfunction
+++ b/gm4_calling_bell/data/gm4_calling_bell/function/emerald_check.mcfunction
@@ -2,6 +2,6 @@
 # @s = player right clicking bell
 # run from gm4_calling_bell:tick
 
-execute unless score @s gm4_calling_bell >= $day gm4_calling_bell if predicate gm4_calling_bell:holding_emerald run function gm4_calling_bell:bell/ray/setup
-execute if score @s gm4_calling_bell >= $day gm4_calling_bell if predicate gm4_calling_bell:holding_emerald at @s run playsound entity.wandering_trader.no neutral @a[distance=..16] ~ ~ ~ 1 1 0.6
+execute unless score @s gm4_calling_bell >= $day gm4_calling_bell if items entity @s weapon.mainhand minecraft:emerald run function gm4_calling_bell:bell/ray/setup
+execute if score @s gm4_calling_bell >= $day gm4_calling_bell if items entity @s weapon.mainhand minecraft:emerald at @s run playsound entity.wandering_trader.no neutral @a[distance=..16] ~ ~ ~ 1 1 0.6
 scoreboard players reset @s gm4_calling_bell_rung
diff --git a/gm4_calling_bell/data/gm4_calling_bell/predicate/holding_emerald.json b/gm4_calling_bell/data/gm4_calling_bell/predicate/holding_emerald.json
deleted file mode 100644
index d4795c184e..0000000000
--- a/gm4_calling_bell/data/gm4_calling_bell/predicate/holding_emerald.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-    "condition": "minecraft:entity_properties",
-    "entity": "this",
-    "predicate": {
-      "equipment": {
-        "mainhand": {
-          "items": [
-            "minecraft:emerald"
-          ]
-        }
-      }
-    }
-  }
diff --git a/gm4_combat_expanded/data/gm4_combat_expanded/loot_table/mob/equip_armor/spore.json b/gm4_combat_expanded/data/gm4_combat_expanded/loot_table/mob/equip_armor/spore.json
index 208fdf690c..1970c87cd5 100644
--- a/gm4_combat_expanded/data/gm4_combat_expanded/loot_table/mob/equip_armor/spore.json
+++ b/gm4_combat_expanded/data/gm4_combat_expanded/loot_table/mob/equip_armor/spore.json
@@ -101,7 +101,11 @@
         {
           "function": "minecraft:set_components",
           "components": {
-            "minecraft:custom_model_data": 3420001,
+            "minecraft:custom_model_data": {
+              "floats": [
+                3420001
+              ]
+            },
             "minecraft:attribute_modifiers": {
               "modifiers": [
                 {
diff --git a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/bucket/axolotl.mcfunction b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/bucket/axolotl.mcfunction
index a2b74872a3..c553dda15c 100644
--- a/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/bucket/axolotl.mcfunction
+++ b/gm4_crossbow_cartridges/data/gm4_crossbow_cartridges/function/projectile/bucket/axolotl.mcfunction
@@ -7,7 +7,7 @@
 summon minecraft:axolotl ~ ~ ~ {FromBucket:1b,Tags:["gm4_cb_projectile"],active_effects:[{id:'minecraft:regeneration',amplifier:10,duration:200,show_particles:0b}]}
 
 # TODO 1.20.5: changed to copy all bucket entity data, check if this causes problems
-data modify storage gm4_crossbow_cartridges:temp projectile merge from entity @s Inventory[{Slot:-106b}].components."minecraft.bucket_entity_data"
+data modify storage gm4_crossbow_cartridges:temp projectile merge from entity @s Inventory[{Slot:-106b}].components."minecraft:bucket_entity_data"
 execute as @e[type=minecraft:axolotl,tag=gm4_cb_projectile,limit=1,distance=..1] run function gm4_crossbow_cartridges:projectile/arrow_motion
 
 # axolotl sound
diff --git a/gm4_dangerous_dungeons/data/gm4_dangerous_dungeons/tags/worldgen/biome/is_stone_base.json b/gm4_dangerous_dungeons/data/gm4_dangerous_dungeons/tags/worldgen/biome/is_stone_base.json
index 186d2fc0af..bb8309d1be 100644
--- a/gm4_dangerous_dungeons/data/gm4_dangerous_dungeons/tags/worldgen/biome/is_stone_base.json
+++ b/gm4_dangerous_dungeons/data/gm4_dangerous_dungeons/tags/worldgen/biome/is_stone_base.json
@@ -29,7 +29,8 @@
     "minecraft:sparse_jungle",
     "minecraft:windswept_savanna",
     "minecraft:frozen_peaks",
+    { "id": "minecraft:pale_garden", "required": false },
     "#gm4_dangerous_dungeons:is_snowy",
     "minecraft:dripstone_caves"
   ]
-}
\ No newline at end of file
+}
diff --git a/gm4_desire_lines/data/gm4_celaro_shamir/tags/block/tall_plants.json b/gm4_desire_lines/data/gm4_celaro_shamir/tags/block/tall_plants.json
index 16d92f445f..6dc081ab07 100644
--- a/gm4_desire_lines/data/gm4_celaro_shamir/tags/block/tall_plants.json
+++ b/gm4_desire_lines/data/gm4_celaro_shamir/tags/block/tall_plants.json
@@ -1,6 +1,10 @@
 {
   "values": [
-    "#minecraft:tall_flowers",
+    "minecraft:sunflower",
+    "minecraft:lilac",
+    "minecraft:peony",
+    "minecraft:rose_bush",
+    "minecraft:pitcher_plant",
     "minecraft:tall_grass",
     "minecraft:large_fern"
   ]
diff --git a/gm4_disassemblers/generate_disassembly.py b/gm4_disassemblers/generate_disassembly.py
index 96f4a30381..7f8d94197f 100644
--- a/gm4_disassemblers/generate_disassembly.py
+++ b/gm4_disassemblers/generate_disassembly.py
@@ -51,7 +51,7 @@
 def beet_default(ctx: Context):
   """Creates a loot table for dropping the 9 result items when disassembling an item."""
   vanilla = ctx.inject(Vanilla)
-  vanilla.minecraft_version = '1.21.3'
+  vanilla.minecraft_version = '1.21.4'
   recipes = vanilla.data.recipes
 
   for item, durability in ITEMS.items():
diff --git a/gm4_double_doors/generate.py b/gm4_double_doors/generate.py
index c838d66d2e..558f0ef9d4 100644
--- a/gm4_double_doors/generate.py
+++ b/gm4_double_doors/generate.py
@@ -39,9 +39,12 @@ class DoorSound():
 
 def beet_default(ctx: Context):
     vanilla = ctx.inject(Vanilla)
-    vanilla.minecraft_version = '1.21.3'
-    wood_types = [s.removeprefix("minecraft:").removesuffix(
-        "_door") for s in vanilla.data.block_tags["minecraft:wooden_doors"].data["values"]]
+    vanilla.minecraft_version = '1.21.4'
+    wood_types = [
+        s.removeprefix("minecraft:").removesuffix("_door")
+        for s in vanilla.data.block_tags["minecraft:wooden_doors"].data["values"]
+        if "pale_oak" not in s
+    ]
     # make list of wood types accessible for bolt
     ctx.meta['wood_types'] = wood_types
 
diff --git a/gm4_end_fishing/data/gm4_end_fishing/predicate/holding_enderpuff.json b/gm4_end_fishing/data/gm4_end_fishing/predicate/holding_enderpuff.json
index e48e287834..2f538b2b68 100644
--- a/gm4_end_fishing/data/gm4_end_fishing/predicate/holding_enderpuff.json
+++ b/gm4_end_fishing/data/gm4_end_fishing/predicate/holding_enderpuff.json
@@ -1,37 +1,16 @@
 {
-  "condition": "minecraft:any_of",
-  "terms": [
-    {
-      "condition": "minecraft:entity_properties",
-      "entity": "this",
-      "predicate": {
-        "equipment": {
-          "mainhand": {
-            "items": [
-              "minecraft:player_head"
-            ],
-            "predicates": {
-              "minecraft:custom_data": "{gm4_end_fishing:{enderpuff:1b}}"
-            }
-          }
-        }
-      }
-    },
-    {
-      "condition": "minecraft:entity_properties",
-      "entity": "this",
-      "predicate": {
-        "equipment": {
-          "offhand": {
-            "items": [
-              "minecraft:player_head"
-            ],
-            "predicates": {
-              "minecraft:custom_data": "{gm4_end_fishing:{enderpuff:1b}}"
-            }
-          }
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "slots": {
+      "weapon.*": {
+        "items": [
+          "minecraft:player_head"
+        ],
+        "predicates": {
+          "minecraft:custom_data": "{gm4_end_fishing:{enderpuff:1b}}"
         }
       }
     }
-  ]
+  }
 }
diff --git a/gm4_fulcio_shamir/data/gm4_fulcio_shamir/predicate/holding_fulcio.json b/gm4_fulcio_shamir/data/gm4_fulcio_shamir/predicate/holding_fulcio.json
index dee5e3c332..09d7840c27 100644
--- a/gm4_fulcio_shamir/data/gm4_fulcio_shamir/predicate/holding_fulcio.json
+++ b/gm4_fulcio_shamir/data/gm4_fulcio_shamir/predicate/holding_fulcio.json
@@ -1,37 +1,16 @@
 {
-  "condition": "minecraft:any_of",
-  "terms": [
-    {
-      "condition": "minecraft:entity_properties",
-      "entity": "this",
-      "predicate": {
-        "equipment": {
-          "mainhand": {
-            "items": [
-              "minecraft:compass"
-            ],
-            "predicates": {
-              "minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'fulcio'}}"
-            }
-          }
-        }
-      }
-    },
-    {
-      "condition": "minecraft:entity_properties",
-      "entity": "this",
-      "predicate": {
-        "equipment": {
-          "offhand": {
-            "items": [
-              "minecraft:compass"
-            ],
-            "predicates": {
-              "minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'fulcio'}}"
-            }
-          }
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "slots": {
+      "weapon.*": {
+        "items": [
+          "minecraft:compass"
+        ],
+        "predicates": {
+          "minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'fulcio'}}"
         }
       }
     }
-  ]
+  }
 }
diff --git a/gm4_guidebook/data/gm4_guidebook/predicate/holding_book.json b/gm4_guidebook/data/gm4_guidebook/predicate/holding_book.json
index d1c8b856b4..7599c39743 100644
--- a/gm4_guidebook/data/gm4_guidebook/predicate/holding_book.json
+++ b/gm4_guidebook/data/gm4_guidebook/predicate/holding_book.json
@@ -1,37 +1,16 @@
 {
-  "condition": "minecraft:any_of",
-  "terms": [
-    {
-      "condition": "minecraft:entity_properties",
-      "entity": "this",
-      "predicate": {
-        "equipment": {
-          "mainhand": {
-            "items": [
-              "minecraft:written_book"
-            ],
-            "predicates": {
-              "minecraft:custom_data": "{gm4_guidebook:{}}"
-            }
-          }
-        }
-      }
-    },
-    {
-      "condition": "minecraft:entity_properties",
-      "entity": "this",
-      "predicate": {
-        "equipment": {
-          "offhand": {
-            "items": [
-              "minecraft:written_book"
-            ],
-            "predicates": {
-              "minecraft:custom_data": "{gm4_guidebook:{}}"
-            }
-          }
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "slots": {
+      "weapon.*": {
+        "items": [
+          "minecraft:written_book"
+        ],
+        "predicates": {
+          "minecraft:custom_data": "{gm4_guidebook:{}}"
         }
       }
     }
-  ]
+  }
 }
diff --git a/gm4_guidebook/generate_guidebooks.py b/gm4_guidebook/generate_guidebooks.py
index 67dc922afa..5db12858d8 100644
--- a/gm4_guidebook/generate_guidebooks.py
+++ b/gm4_guidebook/generate_guidebooks.py
@@ -850,7 +850,7 @@ def loottable_to_display(loottable: str, data: dict[Any,Any], ctx: Context) -> t
 
   # else:
   vanilla = ctx.inject(Vanilla)
-  vanilla.minecraft_version = '1.21.3'
+  vanilla.minecraft_version = '1.21.4'
   color = get_texture_color(intuit_item_texture(item_id, vanilla))
 
   # create slot
@@ -931,7 +931,7 @@ def loottable_to_display(loottable: str, data: dict[Any,Any], ctx: Context) -> t
 """
 def item_to_display(ingredient: dict[Any, Any], ctx: Context) -> tuple[TextComponent, TextComponent]:
   vanilla = ctx.inject(Vanilla)
-  vanilla.minecraft_version = '1.21.3'
+  vanilla.minecraft_version = '1.21.4'
   if ingredient.get("id") == "empty":
     # show empty slot ()
     slot = {
@@ -1105,7 +1105,7 @@ def generate_recipe_display(recipe: str, ctx: Context) -> list[TextComponent]:
           else:
             if "tag" in ingr:
               vanilla = ctx.inject(Vanilla)
-              vanilla.minecraft_version = '1.21.3'
+              vanilla.minecraft_version = '1.21.4'
               item["id"] = get_item_from_tag(ingr["tag"], vanilla)
             else:
               item["id"] = ingr["item"]
diff --git a/gm4_liquid_tanks/data/gm4_standard_liquids/function/util/furnace_fueling/fuel_furnace.mcfunction b/gm4_liquid_tanks/data/gm4_standard_liquids/function/util/furnace_fueling/fuel_furnace.mcfunction
index ff76e36d30..56664f22e2 100644
--- a/gm4_liquid_tanks/data/gm4_standard_liquids/function/util/furnace_fueling/fuel_furnace.mcfunction
+++ b/gm4_liquid_tanks/data/gm4_standard_liquids/function/util/furnace_fueling/fuel_furnace.mcfunction
@@ -7,8 +7,8 @@ execute if block ~ ~ ~ #gm4_standard_liquids:furnace[lit=false] if items block ~
 #adjust burntime and remove lava
 scoreboard players operation @s gm4_lt_prior_val = @s gm4_lt_value
 
-execute unless block ~ ~ ~ #gm4_standard_liquids:double_speed store success score lava_fueling gm4_lt_util if block ~ ~ ~ #gm4_standard_liquids:furnace[lit=true]{CookTime:1s,BurnTime:200s} run data merge block ~ ~ ~ {BurnTime:6600s}
-execute if block ~ ~ ~ #gm4_standard_liquids:double_speed store success score lava_fueling gm4_lt_util if block ~ ~ ~ #gm4_standard_liquids:furnace[lit=true]{CookTime:1s,BurnTime:100s} run data merge block ~ ~ ~ {BurnTime:3300s}
+execute unless block ~ ~ ~ #gm4_standard_liquids:double_speed store success score lava_fueling gm4_lt_util if block ~ ~ ~ #gm4_standard_liquids:furnace[lit=true]{cooking_time_spent:1s,lit_time_remaining:200s} run data merge block ~ ~ ~ {lit_time_remaining:6600s}
+execute if block ~ ~ ~ #gm4_standard_liquids:double_speed store success score lava_fueling gm4_lt_util if block ~ ~ ~ #gm4_standard_liquids:furnace[lit=true]{cooking_time_spent:1s,lit_time_remaining:100s} run data merge block ~ ~ ~ {lit_time_remaining:3300s}
 
 execute if score lava_fueling gm4_lt_util matches 1.. run scoreboard players remove @s gm4_lt_value 1
 scoreboard players reset lava_fueling gm4_lt_util
diff --git a/gm4_liquid_tanks/data/gm4_standard_liquids/function/util/furnace_fueling/furnace_start.mcfunction b/gm4_liquid_tanks/data/gm4_standard_liquids/function/util/furnace_fueling/furnace_start.mcfunction
index 9d022b122d..e995651e0a 100644
--- a/gm4_liquid_tanks/data/gm4_standard_liquids/function/util/furnace_fueling/furnace_start.mcfunction
+++ b/gm4_liquid_tanks/data/gm4_standard_liquids/function/util/furnace_fueling/furnace_start.mcfunction
@@ -2,7 +2,7 @@
 #run from standard_liquids:util/furnace_fueling/lava_tank
 
 execute if score @s gm4_lt_util matches 1.. run item replace block ~ ~ ~ container.1 with wooden_hoe[damage=59,custom_name='"Bug"',custom_data={tankhoe:1b}] 1
-execute if score @s gm4_lt_util matches 1.. run data merge block ~ ~ ~ {CookTime:0}
+execute if score @s gm4_lt_util matches 1.. run data merge block ~ ~ ~ {cooking_time_spent:0}
 execute if score @s gm4_lt_util matches 1.. run tag @s add gm4_lt_furnace_start
 execute if score @s gm4_lt_util matches 1.. run scoreboard players remove @s gm4_lt_util 1
 
diff --git a/gm4_lumos_shamir/data/gm4_lumos_shamir/predicate/holding_lumos.json b/gm4_lumos_shamir/data/gm4_lumos_shamir/predicate/holding_lumos.json
index e255ac282e..a31be208dd 100644
--- a/gm4_lumos_shamir/data/gm4_lumos_shamir/predicate/holding_lumos.json
+++ b/gm4_lumos_shamir/data/gm4_lumos_shamir/predicate/holding_lumos.json
@@ -1,31 +1,13 @@
 {
-	"condition": "minecraft:any_of",
-	"terms": [
-		{
-			"condition": "minecraft:entity_properties",
-			"entity": "this",
-			"predicate": {
-				"equipment": {
-					"mainhand": {
-						"predicates": {
-  						"minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'lumos'}}"
-						}
-					}
-				}
-			}
-		},
-		{
-			"condition": "minecraft:entity_properties",
-			"entity": "this",
-			"predicate": {
-				"equipment": {
-					"offhand": {
-						"predicates": {
-  						"minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'lumos'}}"
-						}
-					}
+	"condition": "minecraft:entity_properties",
+	"entity": "this",
+	"predicate": {
+		"slots": {
+			"weapon.*": {
+				"predicates": {
+					"minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'lumos'}}"
 				}
 			}
 		}
-	]
+	}
 }
diff --git a/gm4_metallurgy/data/gm4_gemini_shamir/predicate/holding_gemini.json b/gm4_metallurgy/data/gm4_gemini_shamir/predicate/holding_gemini.json
index 0d02613b2e..eb80ec4485 100644
--- a/gm4_metallurgy/data/gm4_gemini_shamir/predicate/holding_gemini.json
+++ b/gm4_metallurgy/data/gm4_gemini_shamir/predicate/holding_gemini.json
@@ -1,31 +1,13 @@
 {
-  "condition": "minecraft:any_of",
-  "terms": [
-    {
-      "condition": "minecraft:entity_properties",
-      "entity": "this",
-      "predicate": {
-        "equipment": {
-          "mainhand": {
-            "predicates": {
-              "minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'gemini'}}"
-            }
-          }
-        }
-      }
-    },
-    {
-      "condition": "minecraft:entity_properties",
-      "entity": "this",
-      "predicate": {
-        "equipment": {
-          "offhand": {
-            "predicates": {
-              "minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'gemini'}}"
-            }
-          }
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "slots": {
+      "weapon.*": {
+        "predicates": {
+          "minecraft:custom_data": "{gm4_metallurgy:{has_shamir:1b,active_shamir:'gemini'}}"
         }
       }
     }
-  ]
+  }
 }
diff --git a/gm4_metallurgy/data/gm4_metallurgy/loot_table/malachite_lump.json b/gm4_metallurgy/data/gm4_metallurgy/loot_table/malachite_lump.json
index bbd209c45f..68ee084196 100644
--- a/gm4_metallurgy/data/gm4_metallurgy/loot_table/malachite_lump.json
+++ b/gm4_metallurgy/data/gm4_metallurgy/loot_table/malachite_lump.json
@@ -41,7 +41,11 @@
             {
               "function": "minecraft:set_components",
               "components": {
-                "minecraft:custom_model_data": 3420018,
+                "minecraft:custom_model_data": {
+                  "floats": [
+                    3420018
+                  ]
+                },
                 "minecraft:profile": "$ore/copper_RETIRED"
               }
             },
diff --git a/gm4_orb_of_ankou/data/gm4_orb_of_ankou/function/soul_forge/entities/fire_sprite.mcfunction b/gm4_orb_of_ankou/data/gm4_orb_of_ankou/function/soul_forge/entities/fire_sprite.mcfunction
index 6ec87985c8..f709a5e8e1 100644
--- a/gm4_orb_of_ankou/data/gm4_orb_of_ankou/function/soul_forge/entities/fire_sprite.mcfunction
+++ b/gm4_orb_of_ankou/data/gm4_orb_of_ankou/function/soul_forge/entities/fire_sprite.mcfunction
@@ -2,7 +2,7 @@
 # run from both soul_forge/entities/summon_powder_sprite and soul_forge/entities/summon_glowstone_sprite
 
 # spawn zombie
-summon minecraft:zombie ~ ~0.2 ~ {Fire:1000000,Motion:[0.0,0.6,0.0],Silent:1b,CustomNameVisible:0b,DeathLootTable:"gm4:empty",Health:10.0f,IsBaby:1b,CanBreakDoors:0b,CanPickUpLoot:0b,Tags:["gm4_oa_unset","gm4_oa_ignore","gm4_oa_fire_sprite"],CustomName:'{"translate":"entity.gm4.fire_sprite","fallback":"Fire Sprite§"}',Team:"gm4_hide_name",ArmorItems:[{},{},{},{id:"minecraft:golden_helmet",count:1,components:{"minecraft:custom_model_data":"entity/fire_sprite","minecraft:enchantment_glint_override":true}}],ArmorDropChances:[0.0F,0.0F,0.0F,-327.670F],active_effects:[{id:'minecraft:invisibility',amplifier:0b,duration:1000000,show_particles:0b}],attributes:[{id:"minecraft:follow_range",base:8},{id:"minecraft:attack_damage",base:1},{id:"minecraft:attack_knockback",base:0},{id:"zombie.spawn_reinforcements",base:0}]}
+summon minecraft:zombie ~ ~0.2 ~ {Fire:1000000,Motion:[0.0,0.6,0.0],Silent:1b,CustomNameVisible:0b,DeathLootTable:"gm4:empty",Health:10.0f,IsBaby:1b,CanBreakDoors:0b,CanPickUpLoot:0b,Tags:["gm4_oa_unset","gm4_oa_ignore","gm4_oa_fire_sprite"],CustomName:'{"translate":"entity.gm4.fire_sprite","fallback":"Fire Sprite§"}',Team:"gm4_hide_name",ArmorItems:[{},{},{},{id:"minecraft:golden_helmet",count:1,components:{"minecraft:custom_model_data":"entity/fire_sprite","minecraft:enchantment_glint_override":true}}],ArmorDropChances:[0.0F,0.0F,0.0F,-327.670F],active_effects:[{id:'minecraft:invisibility',amplifier:0b,duration:1000000,show_particles:0b}],attributes:[{id:"minecraft:follow_range",base:8},{id:"minecraft:attack_damage",base:1},{id:"minecraft:attack_knockback",base:0},{id:"minecraft:spawn_reinforcements",base:0}]}
 
 # randomize motion in x and z
 execute as @e[type=zombie,tag=gm4_oa_unset,limit=1] run function gm4_orb_of_ankou:soul_forge/entities/randomize_motion
diff --git a/gm4_orb_of_ankou/data/gm4_orb_of_ankou/function/soul_forge/outputs/create_shard.mcfunction b/gm4_orb_of_ankou/data/gm4_orb_of_ankou/function/soul_forge/outputs/create_shard.mcfunction
index dca475562b..1bcbb27bb2 100644
--- a/gm4_orb_of_ankou/data/gm4_orb_of_ankou/function/soul_forge/outputs/create_shard.mcfunction
+++ b/gm4_orb_of_ankou/data/gm4_orb_of_ankou/function/soul_forge/outputs/create_shard.mcfunction
@@ -2,7 +2,7 @@
 # run from soul_forge/destroy
 
 # spawn bat
-summon minecraft:bat ~ ~ ~ {CustomName:'{"translate":"entity.gm4.possessed_shard","fallback":"Possessed Soul Shard§"}',CustomNameVisible:0b,Team:"gm4_hide_name",DeathLootTable:"gm4:empty",PersistenceRequired:1b,Health:2.0f,Tags:["gm4_oa_unset","gm4_oa_possessed_soul_shard","gm4_oa_ignore","gm4_defused_bat"],active_effects:[{id:'minecraft:fire_resistance',amplifier:0b,duration:1000000,show_particles:0b}],ArmorDropChances:[0.0f,0.0f,0.0f,2.0f],ArmorItems:[{},{},{},{id:"minecraft:flint",count:1,components:{"minecraft:enchantment_glint_override":true,"minecraft:custom_name":'{"translate":"item.gm4.soul_shard","fallback":"Soul Shard","italic":false,"color":"white"}',"minecraft:attribute_modifiers":[{type:"minecraft:attack_damage",name:"minecraft:attack_damage",slot:"offhand",uuid:[I;0,612411,0,482012],amount:-0.2,operation:"add_multiplied_base"}],"minecraft:custom_data":{gm4_orb_of_ankou:{item:"soul_shard"}}}}]}
+summon minecraft:bat ~ ~ ~ {CustomName:'{"translate":"entity.gm4.possessed_shard","fallback":"Possessed Soul Shard§"}',CustomNameVisible:0b,Team:"gm4_hide_name",DeathLootTable:"gm4:empty",PersistenceRequired:1b,Health:2.0f,Tags:["gm4_oa_unset","gm4_oa_possessed_soul_shard","gm4_oa_ignore","gm4_defused_bat"],active_effects:[{id:'minecraft:fire_resistance',amplifier:0b,duration:1000000,show_particles:0b}],ArmorDropChances:[0.0f,0.0f,0.0f,2.0f],ArmorItems:[{},{},{},{id:"minecraft:flint",count:1,components:{"minecraft:enchantment_glint_override":true,"minecraft:custom_name":'{"translate":"item.gm4.soul_shard","fallback":"Soul Shard","italic":false,"color":"white"}',"minecraft:attribute_modifiers":[{type:"minecraft:attack_damage",id:"gm4_orb_of_ankou:attack_damage",slot:"offhand",amount:-0.2,operation:"add_multiplied_base"}],"minecraft:custom_data":{gm4_orb_of_ankou:{item:"soul_shard"}}}}]}
 
 # set data of soul essence into soul shard
 data modify storage gm4_orb_of_ankou:temp Drop set from entity @e[type=bat,tag=gm4_oa_unset,limit=1] ArmorItems[3]
diff --git a/gm4_podzol_rooting_soil/beet.yaml b/gm4_podzol_rooting_soil/beet.yaml
index a6f9d76644..2fe8ca2a03 100644
--- a/gm4_podzol_rooting_soil/beet.yaml
+++ b/gm4_podzol_rooting_soil/beet.yaml
@@ -22,5 +22,7 @@ meta:
     credits:
       Creator:
         - Bloo
+      Updated by:
+        - Misode
       Icon Design:
         - BluePsychoRanger
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/main.mcfunction b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/main.mcfunction
index b0586254f4..eb1a6d0674 100644
--- a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/main.mcfunction
+++ b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/main.mcfunction
@@ -9,4 +9,4 @@ scoreboard players add last_uuid gm4_podzol_data 11
 scoreboard players operation last_uuid gm4_podzol_data %= #200 gm4_podzol_data
 
 # get sapling items
-execute as @e[type=item] run function gm4_podzol_rooting_soil:process_saplings
+execute as @e[type=item,predicate=gm4_podzol_rooting_soil:plantable_on_ground] at @s run function gm4_podzol_rooting_soil:process_item
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/place_block.mcfunction b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/place_block.mcfunction
new file mode 100644
index 0000000000..c1c6b95213
--- /dev/null
+++ b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/place_block.mcfunction
@@ -0,0 +1,4 @@
+# macro function with $(id) being the item/block id of the sapling
+# run from plant
+
+$setblock ~ ~ ~ $(id) destroy
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant.mcfunction b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant.mcfunction
new file mode 100644
index 0000000000..bbbe5d546b
--- /dev/null
+++ b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant.mcfunction
@@ -0,0 +1,16 @@
+# @s = sapling item on podzol and within air-like block that has passed the randomizer
+# at @s
+# called from gm4_podzol_rooting_soil:process_item
+
+# place sapling block
+function gm4_podzol_rooting_soil:place_block with entity @s Item
+
+# plant custom sapling
+execute if items entity @s contents *[custom_data~{gm4_podzol_rooting_soil:{}}] run function #gm4_podzol_rooting_soil:plant_custom_sapling
+
+# sounds and visuals
+execute align xyz positioned ~.5 ~.5 ~.5 run particle minecraft:happy_villager ~ ~ ~ .3 .3 .3 1 10 normal
+playsound minecraft:block.chorus_flower.grow block @a[distance=..6] ~ ~ ~ 0.2 0.8
+
+# remove sapling item
+item modify entity @s contents {function:"minecraft:set_count",count:-1,add:true}
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant/force.mcfunction b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant/force.mcfunction
deleted file mode 100644
index b775d5c0c0..0000000000
--- a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant/force.mcfunction
+++ /dev/null
@@ -1,6 +0,0 @@
-# @s = sapling item on podzol and within air-like block that has failed the randomizer
-# at world spawn
-# called from gm4_podzol_rooting_soil:randomizer
-
-execute store result score age gm4_podzol_data run data get entity @s Age
-execute if score age gm4_podzol_data matches 5399.. at @s if block ~ ~-1 ~ minecraft:podzol if block ~ ~ ~ #gm4:foliage run function gm4_podzol_rooting_soil:plant/normal
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant/normal.mcfunction b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant/normal.mcfunction
deleted file mode 100644
index 75b7b261bd..0000000000
--- a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/plant/normal.mcfunction
+++ /dev/null
@@ -1,28 +0,0 @@
-# @s = sapling item on podzol and within air-like block that has passed the randomizer
-# at @s
-# called from gm4_podzol_rooting_soil:randomizer and gm4_podzol_rooting_soil:plant/normal
-
-# plant sapling
-execute if entity @s[tag=gm4_oak_sapling] run setblock ~ ~ ~ minecraft:oak_sapling destroy
-execute if entity @s[tag=gm4_dark_oak_sapling] run setblock ~ ~ ~ minecraft:dark_oak_sapling destroy
-execute if entity @s[tag=gm4_birch_sapling] run setblock ~ ~ ~ minecraft:birch_sapling destroy
-execute if entity @s[tag=gm4_spruce_sapling] run setblock ~ ~ ~ minecraft:spruce_sapling destroy
-execute if entity @s[tag=gm4_jungle_sapling] run setblock ~ ~ ~ minecraft:jungle_sapling destroy
-execute if entity @s[tag=gm4_acacia_sapling] run setblock ~ ~ ~ minecraft:acacia_sapling destroy
-execute if entity @s[tag=gm4_cherry_sapling] run setblock ~ ~ ~ minecraft:cherry_sapling destroy
-execute if entity @s[tag=gm4_mangrove_propagule] run setblock ~ ~ ~ minecraft:mangrove_propagule destroy
-
-# plant custom sapling
-execute if items entity @s contents *[custom_data~{gm4_podzol_rooting_soil:{}}] run function #gm4_podzol_rooting_soil:plant_custom_sapling
-
-# sounds and visuals
-execute align xyz positioned ~.5 ~.5 ~.5 run particle minecraft:happy_villager ~ ~ ~ .3 .3 .3 1 10 normal
-playsound minecraft:block.chorus_flower.grow block @a[distance=..6] ~ ~ ~ 0.2 0.8
-
-# kill item entity
-execute store result score count gm4_podzol_data run data get entity @s Item.count
-execute if score count gm4_podzol_data matches 1 run kill @s
-execute if score count gm4_podzol_data matches 2.. store result entity @s Item.count byte 1 run scoreboard players remove count gm4_podzol_data 1
-
-# reset fake players
-scoreboard players reset count gm4_podzol_data
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/randomizer.mcfunction b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/process_item.mcfunction
similarity index 72%
rename from gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/randomizer.mcfunction
rename to gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/process_item.mcfunction
index 03880add5b..eccbcf06cb 100644
--- a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/randomizer.mcfunction
+++ b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/process_item.mcfunction
@@ -1,6 +1,6 @@
 # @s = sapling item
 # at world spawn
-# called from gm4_podzol_rooting_soil:process_saplings
+# called from gm4_podzol_rooting_soil:main
 
 # get own uuid into scoreboard and scale into range
 execute store result score current_uuid gm4_podzol_data run data get entity @s UUID[0]
@@ -11,10 +11,11 @@ scoreboard players operation compared_value gm4_podzol_data = current_uuid gm4_p
 scoreboard players operation compared_value gm4_podzol_data *= random_tick_speed gm4_podzol_data
 
 # compare
-execute if score compared_value gm4_podzol_data >= last_uuid gm4_podzol_data at @s if block ~ ~-1 ~ minecraft:podzol if block ~ ~ ~ #gm4_podzol_rooting_soil:sapling_replacable run function gm4_podzol_rooting_soil:plant/normal
+execute if score compared_value gm4_podzol_data >= last_uuid gm4_podzol_data at @s if block ~ ~-1 ~ minecraft:podzol if block ~ ~ ~ #gm4_podzol_rooting_soil:sapling_replaceable run function gm4_podzol_rooting_soil:plant
 
 # force plant if about to despawn and if the previous randomizer test failed
-execute unless score compared_value gm4_podzol_data >= last_uuid gm4_podzol_data run function gm4_podzol_rooting_soil:plant/force
+execute store result score age gm4_podzol_data run data get entity @s Age
+execute unless score compared_value gm4_podzol_data >= last_uuid gm4_podzol_data if score age gm4_podzol_data matches 5399.. at @s if block ~ ~-1 ~ minecraft:podzol if block ~ ~ ~ #gm4_podzol_rooting_soil:sapling_replaceable run function gm4_podzol_rooting_soil:plant
 
 # clean up
 scoreboard players operation last_uuid gm4_podzol_data += current_uuid gm4_podzol_data
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/process_saplings.mcfunction b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/process_saplings.mcfunction
deleted file mode 100644
index cdf7b34429..0000000000
--- a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/process_saplings.mcfunction
+++ /dev/null
@@ -1,9 +0,0 @@
-# @s = any item entity
-# at world spawn
-# called from gm4_podzol_rooting_soil:main
-
-# process non-sapling items
-execute if entity @s[tag=!gm4_sapling,tag=!gm4_not_a_sapling] run function gm4_podzol_rooting_soil:tag_saplings
-
-# process sapling item
-execute if entity @s[tag=gm4_sapling,tag=!gm4_not_a_sapling] run function gm4_podzol_rooting_soil:randomizer
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/tag_saplings.mcfunction b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/tag_saplings.mcfunction
deleted file mode 100644
index 83635eeb69..0000000000
--- a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/function/tag_saplings.mcfunction
+++ /dev/null
@@ -1,20 +0,0 @@
-# @s = any item entity
-# at world spawn
-# called from gm4_podzol_rooting_soil:process_saplings
-
-# tag saplings
-execute store success score success gm4_podzol_data if items entity @s contents minecraft:oak_sapling run tag @s add gm4_oak_sapling
-execute unless score success gm4_podzol_data matches 1.. store success score success gm4_podzol_data if items entity @s contents minecraft:dark_oak_sapling run tag @s add gm4_dark_oak_sapling
-execute unless score success gm4_podzol_data matches 1.. store success score success gm4_podzol_data if items entity @s contents minecraft:birch_sapling run tag @s add gm4_birch_sapling
-execute unless score success gm4_podzol_data matches 1.. store success score success gm4_podzol_data if items entity @s contents minecraft:spruce_sapling run tag @s add gm4_spruce_sapling
-execute unless score success gm4_podzol_data matches 1.. store success score success gm4_podzol_data if items entity @s contents minecraft:jungle_sapling run tag @s add gm4_jungle_sapling
-execute unless score success gm4_podzol_data matches 1.. store success score success gm4_podzol_data if items entity @s contents minecraft:acacia_sapling run tag @s add gm4_acacia_sapling
-execute unless score success gm4_podzol_data matches 1.. store success score success gm4_podzol_data if items entity @s contents minecraft:cherry_sapling run tag @s add gm4_cherry_sapling
-execute unless score success gm4_podzol_data matches 1.. store success score success gm4_podzol_data if items entity @s contents minecraft:mangrove_propagule run tag @s add gm4_mangrove_propagule
-
-# mark saplings and not saplings
-execute if score success gm4_podzol_data matches 1 run tag @s add gm4_sapling
-execute unless score success gm4_podzol_data matches 1 run tag @s add gm4_not_a_sapling
-
-# reset fake players
-scoreboard players reset success gm4_podzol_data
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/predicate/plantable_on_ground.json b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/predicate/plantable_on_ground.json
new file mode 100644
index 0000000000..71fffad413
--- /dev/null
+++ b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/predicate/plantable_on_ground.json
@@ -0,0 +1,14 @@
+{
+  "condition": "minecraft:entity_properties",
+  "entity": "this",
+  "predicate": {
+    "flags": {
+      "is_on_ground": true
+    },
+    "slots": {
+      "contents": {
+        "items": "#gm4_podzol_rooting_soil:plantable"
+      }
+    }
+  }
+}
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/block/sapling_replacable.json b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/block/sapling_replaceable.json
similarity index 63%
rename from gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/block/sapling_replacable.json
rename to gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/block/sapling_replaceable.json
index 5cf42cbc8c..669da8e042 100644
--- a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/block/sapling_replacable.json
+++ b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/block/sapling_replaceable.json
@@ -1,6 +1,6 @@
 {
     "values": [
-        "#minecraft:air",
+        "#gm4:replaceable",
         "#gm4:foliage"
     ]
 }
diff --git a/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/item/plantable.json b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/item/plantable.json
new file mode 100644
index 0000000000..df64e736d4
--- /dev/null
+++ b/gm4_podzol_rooting_soil/data/gm4_podzol_rooting_soil/tags/item/plantable.json
@@ -0,0 +1,13 @@
+{
+  "values": [
+    "minecraft:acacia_sapling",
+    "minecraft:birch_sapling",
+    "minecraft:cherry_sapling",
+    "minecraft:dark_oak_sapling",
+    "minecraft:jungle_sapling",
+    "minecraft:mangrove_propagule",
+    "minecraft:oak_sapling",
+    { "id": "minecraft:pale_oak_sapling", "required": false },
+    "minecraft:spruce_sapling"
+  ]
+}
diff --git a/gm4_relocators/data/gm4_relocators/function/pick_up/get_data.mcfunction b/gm4_relocators/data/gm4_relocators/function/pick_up/get_data.mcfunction
index 2d94ecbd0b..2986a713dc 100644
--- a/gm4_relocators/data/gm4_relocators/function/pick_up/get_data.mcfunction
+++ b/gm4_relocators/data/gm4_relocators/function/pick_up/get_data.mcfunction
@@ -49,7 +49,7 @@ execute if score $found_rotation gm4_rl_data matches 0 store success score $foun
 execute if score $found_rotation gm4_rl_data matches 0 store success score $found_rotation gm4_rl_data if block ~ ~ ~ #gm4_relocators:relocatable_block[orientation=west_up] run data modify storage gm4_relocators:temp gm4_relocation.block_state.facing set value 11
 
 execute if block ~ ~ ~ #gm4_relocators:relocatable_block[waterlogged=true] run data modify storage gm4_relocators:temp gm4_relocation.block_state.waterlogged set value 1
-execute if data block ~ ~ ~ {BurnTime:0s} run data modify storage gm4_relocators:temp gm4_relocation.block_state.lit set value 0
+execute if data block ~ ~ ~ {lit_time_remaining:0s} run data modify storage gm4_relocators:temp gm4_relocation.block_state.lit set value 0
 
 # overwrite anything from custom block via entity
 data modify storage gm4_relocators:temp gm4_relocation merge from storage gm4_relocators:temp merge_data
diff --git a/gm4_shroomites/data/gm4/advancement/shroomites.json b/gm4_shroomites/data/gm4/advancement/shroomites.json
index 6be02edc77..b2d08f8d31 100644
--- a/gm4_shroomites/data/gm4/advancement/shroomites.json
+++ b/gm4_shroomites/data/gm4/advancement/shroomites.json
@@ -3,7 +3,11 @@
         "icon": {
             "id": "minecraft:red_mushroom",
             "components": {
-                "minecraft:custom_model_data": 3240001
+                "minecraft:custom_model_data": {
+                    "floats": [
+                        3240001
+                    ]
+                }
             }
         },
         "title": "Things are grim indeed...",
diff --git a/gm4_smelteries/data/gm4_smelteries/function/smelt/check_cook_time.mcfunction b/gm4_smelteries/data/gm4_smelteries/function/smelt/check_cook_time.mcfunction
index 679baac6f4..6c21813291 100644
--- a/gm4_smelteries/data/gm4_smelteries/function/smelt/check_cook_time.mcfunction
+++ b/gm4_smelteries/data/gm4_smelteries/function/smelt/check_cook_time.mcfunction
@@ -3,7 +3,7 @@
 # run from furnace_lit
 
 scoreboard players set $cook_time gm4_smelt_data -1
-execute store result score $cook_time gm4_smelt_data run data get block ~ ~ ~ CookTime
+execute store result score $cook_time gm4_smelt_data run data get block ~ ~ ~ cooking_time_spent
 
 # display ore
 tag @s add gm4_smeltery_processing
diff --git a/gm4_smelteries/data/gm4_smelteries/function/smelt/check_finish_smelt.mcfunction b/gm4_smelteries/data/gm4_smelteries/function/smelt/check_finish_smelt.mcfunction
index 41cd6add4b..4890148f43 100644
--- a/gm4_smelteries/data/gm4_smelteries/function/smelt/check_finish_smelt.mcfunction
+++ b/gm4_smelteries/data/gm4_smelteries/function/smelt/check_finish_smelt.mcfunction
@@ -1,6 +1,6 @@
 # @s = none
 # run from smelt/prep_finish_smelt
 
-execute as @e[type=marker,tag=gm4_smeltery_smelting] at @s if block ~ ~ ~ furnace{CookTime:199s} run function gm4_smelteries:smelt/finish_smelt
+execute as @e[type=marker,tag=gm4_smeltery_smelting] at @s if block ~ ~ ~ furnace{cooking_time_spent:199s} run function gm4_smelteries:smelt/finish_smelt
 
 execute if entity @e[type=marker,tag=gm4_smeltery_smelting,limit=1] run schedule function gm4_smelteries:smelt/check_finish_smelt 1t
diff --git a/gm4_soul_glass/beet.yaml b/gm4_soul_glass/beet.yaml
index 644dde8bb8..93e1d88748 100644
--- a/gm4_soul_glass/beet.yaml
+++ b/gm4_soul_glass/beet.yaml
@@ -4,11 +4,6 @@ version: 1.4.X
 
 data_pack:
   load: .
-  overlays:
-    - formats:
-        min_inclusive: 0
-        max_inclusive: 48
-      directory: overlay_48
 
 pipeline:
   - gm4.plugins.extend.module
diff --git a/gm4_soul_glass/data/gm4_relocators/tags/function/place_block/place_block.json b/gm4_soul_glass/data/gm4_relocators/tags/function/place_block/place_block.json
deleted file mode 100644
index 45fc0c471f..0000000000
--- a/gm4_soul_glass/data/gm4_relocators/tags/function/place_block/place_block.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "values": [
-        "gm4_soul_glass:relocate/check_furnace"
-    ]
-}
diff --git a/gm4_soul_glass/data/gm4_soul_glass/advancement/open_blast_furnace.json b/gm4_soul_glass/data/gm4_soul_glass/advancement/open_blast_furnace.json
deleted file mode 100644
index 961565f96b..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/advancement/open_blast_furnace.json
+++ /dev/null
@@ -1,41 +0,0 @@
-{
-  "criteria": {
-    "requirement": {
-      "trigger": "minecraft:default_block_use",
-      "conditions": {
-        "player": [
-          {
-            "condition": "minecraft:inverted",
-            "term": {
-              "condition": "minecraft:entity_properties",
-              "entity": "this",
-              "predicate": {
-                "type_specific": {
-                  "type": "player",
-                  "gamemode": [
-                    "spectator"
-                  ]
-                }
-              }
-            }
-          }
-        ],
-        "location": [
-          {
-            "condition": "minecraft:location_check",
-            "predicate": {
-              "block": {
-                "blocks": [
-                  "minecraft:blast_furnace"
-                ]
-              }
-            }
-          }
-        ]
-      }
-    }
-  },
-  "rewards": {
-    "function": "gm4_soul_glass:furnace/place_blast_furnace"
-  }
-}
diff --git a/gm4_soul_glass/data/gm4_soul_glass/advancement/place_blast_furnace.json b/gm4_soul_glass/data/gm4_soul_glass/advancement/place_blast_furnace.json
deleted file mode 100644
index 985ef2d4b0..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/advancement/place_blast_furnace.json
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  "criteria": {
-    "place_furnace": {
-      "trigger": "minecraft:placed_block",
-      "conditions": {
-        "player": [
-          {
-            "condition": "minecraft:inverted",
-            "term": {
-              "condition": "minecraft:entity_properties",
-              "entity": "this",
-              "predicate": {
-                "type_specific": {
-                  "type": "player",
-                  "gamemode": [
-                    "spectator"
-                  ]
-                }
-              }
-            }
-          }
-        ],
-        "location": [
-          {
-            "condition": "minecraft:block_state_property",
-            "block": "minecraft:blast_furnace"
-          }
-        ]
-      }
-    }
-  },
-  "rewards": {
-    "function": "gm4_soul_glass:furnace/place_blast_furnace"
-  }
-}
diff --git a/gm4_soul_glass/data/gm4_soul_glass/advancement/recipes/soul_glass.json b/gm4_soul_glass/data/gm4_soul_glass/advancement/recipes/soul_glass.json
new file mode 100644
index 0000000000..782b91f152
--- /dev/null
+++ b/gm4_soul_glass/data/gm4_soul_glass/advancement/recipes/soul_glass.json
@@ -0,0 +1,32 @@
+{
+  "parent": "minecraft:recipes/root",
+  "criteria": {
+    "has_the_recipe": {
+      "trigger": "minecraft:recipe_unlocked",
+      "conditions": {
+        "recipe": "gm4_soul_glass:soul_glass"
+      }
+    },
+    "has_materials": {
+      "trigger": "minecraft:inventory_changed",
+      "conditions": {
+        "items": [
+          {
+            "items": "minecraft:soul_sand"
+          }
+        ]
+      }
+    }
+  },
+  "requirements": [
+    [
+      "has_the_recipe",
+      "has_materials"
+    ]
+  ],
+  "rewards": {
+    "recipes": [
+      "gm4_soul_glass:soul_glass"
+    ]
+  }
+}
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/check_finish_smelt.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/furnace/check_finish_smelt.mcfunction
deleted file mode 100644
index 525a82035d..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/check_finish_smelt.mcfunction
+++ /dev/null
@@ -1,6 +0,0 @@
-#@s = none
-#run from furnace/prep_finish_smelt
-
-execute as @e[type=marker,tag=gm4_sg_smelting] at @s if block ~ ~ ~ blast_furnace{CookTime:799s,Items:[{Slot:0b,id:"minecraft:soul_sand"}]} run function gm4_soul_glass:furnace/finish_smelt
-
-execute if entity @e[tag=gm4_sg_smelting] run schedule function gm4_soul_glass:furnace/check_finish_smelt 1t
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/finish_smelt.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/furnace/finish_smelt.mcfunction
deleted file mode 100644
index 7342e02866..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/finish_smelt.mcfunction
+++ /dev/null
@@ -1,9 +0,0 @@
-#@s = blast furnace AEC that finished smelting soul sand to soul glass
-#run from smelt
-
-tag @s remove gm4_sg_smelting
-tag @s add gm4_sg_smelted
-execute if block ~ ~-1 ~ hopper{TransferCooldown:1} run data modify block ~ ~-1 ~ TransferCooldown set value 2
-execute if block ~ ~-1 ~ hopper{TransferCooldown:0} run data modify block ~ ~-1 ~ TransferCooldown set value 2
-execute positioned ~ ~-1 ~ as @e[type=hopper_minecart,distance=..1] run data merge entity @s {Enabled:0b,Tags:["gm4_sg_disabled"]}
-schedule function gm4_soul_glass:furnace/modify_output 1t
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/modify_output.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/furnace/modify_output.mcfunction
deleted file mode 100644
index d4ea38bde6..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/modify_output.mcfunction
+++ /dev/null
@@ -1,5 +0,0 @@
-#@s = none
-#run from finish_smelt
-
-execute at @e[tag=gm4_sg_smelted] run data modify block ~ ~ ~ Items[{Slot:2b}].components set value {"minecraft:custom_model_data":"item/soul_glass","minecraft:custom_data":{gm4_soul_glass:1b},"minecraft:enchantment_glint_override":true,"minecraft:custom_name":'{"translate":"item.gm4.soul_glass","fallback":"Soul Glass","italic":false}'}
-execute as @e[tag=gm4_sg_disabled] run data merge entity @s {Enabled:1b,Tags:[]}
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/place_blast_furnace.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/furnace/place_blast_furnace.mcfunction
deleted file mode 100644
index ccf642d3c7..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/place_blast_furnace.mcfunction
+++ /dev/null
@@ -1,12 +0,0 @@
-# @s = player that just placed a furnace
-# run from advancement place_blast_furnace
-
-advancement revoke @s only gm4_soul_glass:place_blast_furnace
-summon area_effect_cloud ~ ~ ~ {Tags:["gm4_furnace_ray"]}
-execute anchored eyes positioned ^ ^ ^ anchored feet run tp @e[tag=gm4_furnace_ray] ^ ^ ^ ~ ~
-scoreboard players set gm4_ray_counter gm4_count 0
-execute as @e[tag=gm4_furnace_ray] at @s run function gm4_soul_glass:furnace/ray
-execute at @e[tag=gm4_furnace_ray] align xyz positioned ~0.5 ~0.5 ~0.5 unless entity @e[type=marker,distance=..0.1,tag=gm4_sg_furnace,limit=1] run summon marker ~ ~ ~ {CustomName:'"gm4_sg_furnace"',Tags:["gm4_sg_furnace","gm4_machine_marker","smithed.entity","smithed.strict","gm4_new_machine"]}
-scoreboard players set @e[type=marker,tag=gm4_new_machine,distance=..7] gm4_entity_version 1
-tag @e[type=marker,distance=..7] remove gm4_new_machine
-kill @e[tag=gm4_furnace_ray]
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/prep_finish_smelt.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/furnace/prep_finish_smelt.mcfunction
deleted file mode 100644
index 998bfbd894..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/prep_finish_smelt.mcfunction
+++ /dev/null
@@ -1,5 +0,0 @@
-#@s = furnace AEC with correct recipe
-#run from smelting
-
-tag @s add gm4_sg_smelting
-function gm4_soul_glass:furnace/check_finish_smelt
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/process.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/furnace/process.mcfunction
deleted file mode 100644
index 62be055824..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/process.mcfunction
+++ /dev/null
@@ -1,6 +0,0 @@
-#@s = furnace AEC
-#run from main
-
-execute unless block ~ ~ ~ blast_furnace run kill @s
-
-execute if block ~ ~ ~ blast_furnace{Items:[{Slot:0b,id:"minecraft:soul_sand"}]} run function gm4_soul_glass:furnace/smelting
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/ray.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/furnace/ray.mcfunction
deleted file mode 100644
index ef55792c61..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/ray.mcfunction
+++ /dev/null
@@ -1,6 +0,0 @@
-# @s = area effect cloud ray used to detect the blast furnace
-# run from opened_furnace
-
-scoreboard players add gm4_ray_counter gm4_count 1
-tp @s ^ ^ ^0.01
-execute if score gm4_ray_counter gm4_count matches 0..500 at @s unless block ~ ~ ~ blast_furnace run function gm4_soul_glass:furnace/ray
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/smelting.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/furnace/smelting.mcfunction
deleted file mode 100644
index 872e5416ae..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/furnace/smelting.mcfunction
+++ /dev/null
@@ -1,6 +0,0 @@
-#@s = furnace AEC with correct recipe
-#run from process
-
-execute store result score @s gm4_sg_cook_time run data get block ~ ~ ~ CookTime
-
-execute if score @s gm4_sg_cook_time matches 783.. run function gm4_soul_glass:furnace/prep_finish_smelt
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/main.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/main.mcfunction
index 3b296eed86..7dea155787 100644
--- a/gm4_soul_glass/data/gm4_soul_glass/function/main.mcfunction
+++ b/gm4_soul_glass/data/gm4_soul_glass/function/main.mcfunction
@@ -1,5 +1,7 @@
-# process soul glass and blast furnace
-execute as @e[type=marker,tag=gm4_sg_furnace] at @s run function gm4_soul_glass:furnace/process
+# Kill old blast furnace markers, remove this later
+kill @e[type=marker,tag=gm4_sg_furnace]
+
+# process soul glass
 execute as @e[type=marker,tag=gm4_soul_glass] at @s run function gm4_soul_glass:process
 
 schedule function gm4_soul_glass:main 16t
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/relocate/check_furnace.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/relocate/check_furnace.mcfunction
deleted file mode 100644
index e18cd9c78c..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/relocate/check_furnace.mcfunction
+++ /dev/null
@@ -1,6 +0,0 @@
-# checks if the block is from this module
-# @s = player who placed the block
-# located at the center of the block to be placed
-# run from #gm4_relocators:place_down_check
-
-execute if block ~ ~ ~ air if score gm4_soul_glass load.status matches 1.. if data storage gm4_relocators:temp gm4_relocation.block_state{id:"blast_furnace"} run function gm4_soul_glass:relocate/summon_furnace_marker
diff --git a/gm4_soul_glass/data/gm4_soul_glass/function/relocate/summon_furnace_marker.mcfunction b/gm4_soul_glass/data/gm4_soul_glass/function/relocate/summon_furnace_marker.mcfunction
deleted file mode 100644
index 1767034fcc..0000000000
--- a/gm4_soul_glass/data/gm4_soul_glass/function/relocate/summon_furnace_marker.mcfunction
+++ /dev/null
@@ -1,8 +0,0 @@
-# summons sg_furnace marker
-# @s = player who placed the block
-# located at the center of the block to be placed
-# run from gm4_soul_glass:relocate/check_furnace
-
-summon marker ~ ~ ~ {CustomName:'"gm4_sg_furnace"',Tags:["gm4_sg_furnace","smithed.entity","smithed.strict","gm4_new_machine"]}
-scoreboard players set @e[type=marker,tag=gm4_new_machine,distance=..0.1] gm4_entity_version 1
-tag @e[type=marker,distance=..0.1] remove gm4_new_machine
diff --git a/gm4_soul_glass/data/gm4_soul_glass/recipe/soul_glass.json b/gm4_soul_glass/data/gm4_soul_glass/recipe/soul_glass.json
new file mode 100644
index 0000000000..005a38aa66
--- /dev/null
+++ b/gm4_soul_glass/data/gm4_soul_glass/recipe/soul_glass.json
@@ -0,0 +1,15 @@
+{
+   "type": "minecraft:blasting",
+   "ingredient": "minecraft:soul_sand",
+   "result": {
+      "id": "minecraft:brown_stained_glass",
+      "components": {
+         "minecraft:custom_model_data": "item/soul_glass",
+         "minecraft:custom_data": "{gm4_soul_glass:1b}",
+         "minecraft:enchantment_glint_override": true,
+         "minecraft:custom_name": "{\"translate\":\"item.gm4.soul_glass\",\"fallback\":\"Soul Glass\",\"italic\":false}"
+      }
+   },
+   "experience": 1.0,
+   "cookingtime": 800
+}
diff --git a/gm4_soul_glass/data/minecraft/recipe/soul_glass.json b/gm4_soul_glass/data/minecraft/recipe/soul_glass.json
deleted file mode 100644
index 0359b5e925..0000000000
--- a/gm4_soul_glass/data/minecraft/recipe/soul_glass.json
+++ /dev/null
@@ -1,9 +0,0 @@
-{
-   "type": "minecraft:blasting",
-   "ingredient": "minecraft:soul_sand",
-   "result": {
-      "id": "minecraft:brown_stained_glass"
-   },
-   "experience": 1.0,
-   "cookingtime": 800
-}
diff --git a/gm4_spawner_minecarts/data/gm4_spawner_minecarts/tags/block/consumable_block.json b/gm4_spawner_minecarts/data/gm4_spawner_minecarts/tags/block/consumable_block.json
index f39403fd9a..adf0a6cc2a 100644
--- a/gm4_spawner_minecarts/data/gm4_spawner_minecarts/tags/block/consumable_block.json
+++ b/gm4_spawner_minecarts/data/gm4_spawner_minecarts/tags/block/consumable_block.json
@@ -12,8 +12,7 @@
     "minecraft:oxeye_daisy",
     "minecraft:cornflower",
     "minecraft:lily_of_the_valley",
-    { "id": "minecraft:grass", "required": false },
-    { "id": "minecraft:short_grass", "required": false },
+    "minecraft:short_grass",
     "minecraft:tall_grass"
   ]
 }
diff --git a/gm4_standard_crafting/beet.yaml b/gm4_standard_crafting/beet.yaml
index 980ba25cdc..27981d9216 100644
--- a/gm4_standard_crafting/beet.yaml
+++ b/gm4_standard_crafting/beet.yaml
@@ -4,6 +4,11 @@ version: 1.5.X
 
 data_pack:
   load: .
+  overlays:
+    - formats:
+        min_inclusive: 61
+        max_inclusive: 61
+      directory: since_61
 
 pipeline:
   - generate_recipes
diff --git a/gm4_standard_crafting/generate_recipes.py b/gm4_standard_crafting/generate_recipes.py
index 8bc612b245..59fe44cd51 100644
--- a/gm4_standard_crafting/generate_recipes.py
+++ b/gm4_standard_crafting/generate_recipes.py
@@ -7,10 +7,10 @@
 
 def beet_default(ctx: Context):
     """generates recipes for stair and slab decrafting
-        NOTE: only generates the guidebook definitions - future work will generate function definitions too"""
+        NOTE: only generates the vanilla recipes and guidebook definitions - future work will generate function definitions too"""
     
     vanilla = ctx.inject(Vanilla)
-    vanilla.minecraft_version = '1.21.3'
+    vanilla.minecraft_version = '1.21.4'
     item_tags = vanilla.mount("data/minecraft/tags/item").data.item_tags
     recipes = vanilla.mount("data/minecraft/recipe").data.recipes
 
@@ -33,6 +33,9 @@ def recursive_apply(items: list[str], dir: str, shape: list[str], output_count:
 
             recipe_path = f"gm4_standard_crafting:{dir}/{item.removeprefix('minecraft:')}"
 
+            since_61 = "pale_oak" in item or "resin" in item
+            output_pack = ctx.data.overlays["since_61"] if since_61 else ctx.data
+
             output_recipe = recipes.get(output) # type: ignore
             if output_recipe is None:
                 group: str = output.removeprefix('minecraft:') # type: ignore
@@ -53,10 +56,9 @@ def recursive_apply(items: list[str], dir: str, shape: list[str], output_count:
                         }
                     ]
                 }
-                ctx.data[output] = Recipe(output_recipe.data)
-
+                output_pack[output] = Recipe(output_recipe.data)
 
-            ctx.data[recipe_path] = Recipe({
+            output_pack[recipe_path] = Recipe({
                 "type": "minecraft:crafting_shaped",
                 "category": "building",
                 "group": group, #type: ignore
@@ -70,7 +72,7 @@ def recursive_apply(items: list[str], dir: str, shape: list[str], output_count:
                 }
             })
 
-            ctx.data[f"gm4_standard_crafting:recipes/{dir}/{item.removeprefix('minecraft:')}"] = Advancement({
+            output_pack[f"gm4_standard_crafting:recipes/{dir}/{item.removeprefix('minecraft:')}"] = Advancement({
                 "parent": "minecraft:recipes/root",
                 "criteria": {
                     "has_the_recipe": {
@@ -105,6 +107,8 @@ def recursive_apply(items: list[str], dir: str, shape: list[str], output_count:
                 }
             })
 
+            if since_61:
+                return
             ctx.data[recipe_path] = CustomCrafterRecipe({
                 "name": f"gm4_standard_crafting:{dir}/{item}",
                 "input": {
diff --git a/gm4_tunnel_bores/data/gm4_tunnel_bores/tags/block/not_rail_solid.json b/gm4_tunnel_bores/data/gm4_tunnel_bores/tags/block/not_rail_solid.json
index 04570b756e..f0d75260b8 100644
--- a/gm4_tunnel_bores/data/gm4_tunnel_bores/tags/block/not_rail_solid.json
+++ b/gm4_tunnel_bores/data/gm4_tunnel_bores/tags/block/not_rail_solid.json
@@ -6,8 +6,7 @@
     "minecraft:brown_mushroom",
     "minecraft:red_mushroom",
     "minecraft:tripwire",
-    { "id": "minecraft:grass", "required": false },
-    { "id": "minecraft:short_grass", "required": false },
+    "minecraft:short_grass",
     "minecraft:kelp",
     "minecraft:seagrass",
     "minecraft:tall_grass",
diff --git a/gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat.mcfunction b/gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat.mcfunction
similarity index 100%
rename from gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat.mcfunction
rename to gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat.mcfunction
diff --git a/gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_east.mcfunction b/gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_east.mcfunction
similarity index 100%
rename from gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_east.mcfunction
rename to gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_east.mcfunction
diff --git a/gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_north.mcfunction b/gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_north.mcfunction
similarity index 100%
rename from gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_north.mcfunction
rename to gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_north.mcfunction
diff --git a/gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_south.mcfunction b/gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_south.mcfunction
similarity index 100%
rename from gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_south.mcfunction
rename to gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_south.mcfunction
diff --git a/gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_west.mcfunction b/gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_west.mcfunction
similarity index 100%
rename from gm4_vecto_shamir/overlay_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_west.mcfunction
rename to gm4_vecto_shamir/backport_48/data/gm4_vecto_shamir/function/vehicle/spawn_boat_west.mcfunction
diff --git a/gm4_vecto_shamir/beet.yaml b/gm4_vecto_shamir/beet.yaml
index 2183e6e6ce..4f9b49b67d 100644
--- a/gm4_vecto_shamir/beet.yaml
+++ b/gm4_vecto_shamir/beet.yaml
@@ -8,7 +8,11 @@ data_pack:
     - formats:
         min_inclusive: 0
         max_inclusive: 48
-      directory: overlay_48
+      directory: backport_48
+    - formats:
+        min_inclusive: 61
+        max_inclusive: 61
+      directory: since_61
 
 resource_pack:
   load: ../gm4_metallurgy
diff --git a/gm4_vecto_shamir/data/gm4_vecto_shamir/tags/worldgen/biome/non_oak.json b/gm4_vecto_shamir/data/gm4_vecto_shamir/tags/worldgen/biome/non_oak.json
index e19d6ec432..0e23ba6a1c 100644
--- a/gm4_vecto_shamir/data/gm4_vecto_shamir/tags/worldgen/biome/non_oak.json
+++ b/gm4_vecto_shamir/data/gm4_vecto_shamir/tags/worldgen/biome/non_oak.json
@@ -7,6 +7,7 @@
     "#gm4_vecto_shamir:dark_oak",
     "#gm4_vecto_shamir:jungle",
     "#gm4_vecto_shamir:mangrove",
+    "#gm4_vecto_shamir:pale_oak",
     "#gm4_vecto_shamir:spruce"
   ]
 }
diff --git a/gm4_vecto_shamir/data/gm4_vecto_shamir/tags/worldgen/biome/pale_oak.json b/gm4_vecto_shamir/data/gm4_vecto_shamir/tags/worldgen/biome/pale_oak.json
new file mode 100644
index 0000000000..42f3d31015
--- /dev/null
+++ b/gm4_vecto_shamir/data/gm4_vecto_shamir/tags/worldgen/biome/pale_oak.json
@@ -0,0 +1,5 @@
+{
+  "values": [
+    { "id": "minecraft:pale_garden", "required": false }
+  ]
+}
diff --git a/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_east.mcfunction b/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_east.mcfunction
new file mode 100644
index 0000000000..0320b80541
--- /dev/null
+++ b/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_east.mcfunction
@@ -0,0 +1,13 @@
+# run from spawn_boat
+
+execute if biome ~ ~ ~ #gm4_vecto_shamir:acacia run summon minecraft:acacia_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:bamboo run summon minecraft:bamboo_raft ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:birch run summon minecraft:birch_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:cherry run summon minecraft:cherry_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:dark_oak run summon minecraft:dark_oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:jungle run summon minecraft:jungle_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:mangrove run summon minecraft:mangrove_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:pale_oak run summon minecraft:pale_oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:spruce run summon minecraft:spruce_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
+
+execute unless biome ~ ~ ~ #gm4_vecto_shamir:non_oak run summon minecraft:oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[270f,0f]}
diff --git a/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_north.mcfunction b/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_north.mcfunction
new file mode 100644
index 0000000000..c124ddb049
--- /dev/null
+++ b/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_north.mcfunction
@@ -0,0 +1,13 @@
+# run from spawn_boat
+
+execute if biome ~ ~ ~ #gm4_vecto_shamir:acacia run summon minecraft:acacia_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:bamboo run summon minecraft:bamboo_raft ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:birch run summon minecraft:birch_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:cherry run summon minecraft:cherry_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:dark_oak run summon minecraft:dark_oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:jungle run summon minecraft:jungle_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:mangrove run summon minecraft:mangrove_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:pale_oak run summon minecraft:pale_oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:spruce run summon minecraft:spruce_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
+
+execute unless biome ~ ~ ~ #gm4_vecto_shamir:non_oak run summon minecraft:oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[180f,0f]}
diff --git a/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_south.mcfunction b/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_south.mcfunction
new file mode 100644
index 0000000000..b3bb64836a
--- /dev/null
+++ b/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_south.mcfunction
@@ -0,0 +1,13 @@
+# run from spawn_boat
+
+execute if biome ~ ~ ~ #gm4_vecto_shamir:acacia run summon minecraft:acacia_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:bamboo run summon minecraft:bamboo_raft ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:birch run summon minecraft:birch_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:cherry run summon minecraft:cherry_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:dark_oak run summon minecraft:dark_oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:jungle run summon minecraft:jungle_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:mangrove run summon minecraft:mangrove_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:pale_oak run summon minecraft:pale_oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:spruce run summon minecraft:spruce_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
+
+execute unless biome ~ ~ ~ #gm4_vecto_shamir:non_oak run summon minecraft:oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[0f,0f]}
diff --git a/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_west.mcfunction b/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_west.mcfunction
new file mode 100644
index 0000000000..f84ea91f0e
--- /dev/null
+++ b/gm4_vecto_shamir/since_61/data/gm4_vecto_shamir/function/vehicle/spawn_boat_west.mcfunction
@@ -0,0 +1,13 @@
+# run from spawn_boat
+
+execute if biome ~ ~ ~ #gm4_vecto_shamir:acacia run summon minecraft:acacia_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:bamboo run summon minecraft:bamboo_raft ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:birch run summon minecraft:birch_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:cherry run summon minecraft:cherry_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:dark_oak run summon minecraft:dark_oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:jungle run summon minecraft:jungle_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:mangrove run summon minecraft:mangrove_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:pale_oak run summon minecraft:pale_oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+execute if biome ~ ~ ~ #gm4_vecto_shamir:spruce run summon minecraft:spruce_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
+
+execute unless biome ~ ~ ~ #gm4_vecto_shamir:non_oak run summon minecraft:oak_boat ~ ~ ~ {Invulnerable:1b,Tags:["gm4_vecto_vehicle","gm4_vecto_new_vehicle"],Rotation:[90f,0f]}
diff --git a/lib_custom_crafters/generate_item_tags.py b/lib_custom_crafters/generate_item_tags.py
index 8ec5f2565f..4d43eb5e1b 100644
--- a/lib_custom_crafters/generate_item_tags.py
+++ b/lib_custom_crafters/generate_item_tags.py
@@ -4,9 +4,14 @@
 def beet_default(ctx: Context):
   """Creates a predicate for every vanilla item tag and a function checking all of these predicates."""
   vanilla = ctx.inject(Vanilla)
+  # Intentionally left at 1.21.3, not supporting new crafting recipes
   vanilla.minecraft_version = '1.21.3'
   item_tags = vanilla.data.item_tags
-  item_tags = [id.removeprefix("minecraft:") for id in item_tags]
+  item_tags = [
+    id.removeprefix("minecraft:")
+    for id in item_tags
+    if id not in ("minecraft:flowers", "minecraft:tall_flowers", "minecraft:trim_templates")
+  ]
 
   for id in item_tags:
     ctx.data[f"gm4_custom_crafters:vanilla_item_tags/{id}"] = Predicate({
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/desert.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/air/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/meadow.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/mushroom_fields.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/nether_wastes.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/ocean.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_birch_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_pine_taiga.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_spruce_taiga.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/plains.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/river.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/savanna.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/savanna_plateau.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/small_end_islands.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_beach.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_slopes.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/soul_sand_valley.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/sparse_jungle.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/sunflower_plains.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/swamp.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/taiga.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/the_end.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/the_end.json
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diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/the_void.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/the_void.json
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diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/warm_ocean.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/warm_ocean.json
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diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/warped_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_gravelly_hills.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_gravelly_hills.json
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diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_hills.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_savanna.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/wooded_badlands.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/configured_carver/liquid/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/badlands.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/bamboo_jungle.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/basalt_deltas.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/beach.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/birch_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cherry_grove.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cold_ocean.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/crimson_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dark_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_slopes.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/soul_sand_valley.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_dark.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_frozen_ocean.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_lukewarm_ocean.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/desert.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_barrens.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_highlands.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_midlands.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/eroded_badlands.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/eroded_badlands.json
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diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/flower_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_void.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/badlands.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/basalt_deltas.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/beach.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/birch_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dark_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_cold_ocean.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_dark.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_dark.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/grove.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/taiga.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_end.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_void.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_forest.json
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rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/bamboo_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/bamboo_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/bamboo_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/bamboo_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/basalt_deltas.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/basalt_deltas.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/basalt_deltas.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/basalt_deltas.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/beach.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/cherry_grove.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/cherry_grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/cherry_grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/cherry_grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/crimson_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/crimson_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/crimson_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/crimson_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/dark_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/dark_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/dark_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/dark_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_cold_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_cold_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_cold_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_dark.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_dark.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_dark.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_dark.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/deep_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/deep_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/desert.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/desert.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/desert.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/desert.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/dripstone_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/dripstone_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/dripstone_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/dripstone_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/end_barrens.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/end_barrens.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/end_barrens.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/end_barrens.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/end_highlands.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/end_highlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/end_highlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/end_highlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/end_midlands.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/end_midlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/end_midlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/end_midlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/eroded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/eroded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/eroded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/eroded_badlands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/flower_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/flower_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/flower_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/flower_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/forest.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/frozen_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/frozen_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/frozen_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/frozen_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/frozen_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/frozen_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/frozen_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/frozen_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/frozen_river.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/frozen_river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/frozen_river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/frozen_river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/grove.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/grove.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/grove.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/grove.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/ice_spikes.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/ice_spikes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/ice_spikes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/ice_spikes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/jagged_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/jagged_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/jagged_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/jagged_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/lukewarm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/lukewarm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/lukewarm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/lush_caves.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/lush_caves.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/lush_caves.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/lush_caves.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/mangrove_swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/mangrove_swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/mangrove_swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/mangrove_swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/meadow.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/meadow.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/meadow.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/meadow.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/mushroom_fields.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/mushroom_fields.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/mushroom_fields.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/mushroom_fields.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/nether_wastes.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/nether_wastes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/nether_wastes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/nether_wastes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/old_growth_birch_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/old_growth_birch_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/old_growth_birch_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/old_growth_pine_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/old_growth_pine_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/old_growth_pine_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/plains.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/river.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/river.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/river.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/river.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/savanna_plateau.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/savanna_plateau.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/savanna_plateau.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/savanna_plateau.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/small_end_islands.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/small_end_islands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/small_end_islands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/small_end_islands.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/snowy_beach.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/snowy_beach.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/snowy_beach.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/snowy_beach.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/snowy_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/snowy_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/snowy_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/snowy_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/snowy_slopes.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/snowy_slopes.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/snowy_slopes.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/snowy_slopes.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/snowy_taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/snowy_taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/snowy_taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/snowy_taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/soul_sand_valley.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/soul_sand_valley.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/soul_sand_valley.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/soul_sand_valley.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/sparse_jungle.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/sparse_jungle.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/sparse_jungle.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/sparse_jungle.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/stony_peaks.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/stony_peaks.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/stony_peaks.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/stony_peaks.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/stony_shore.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/stony_shore.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/stony_shore.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/stony_shore.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/sunflower_plains.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/sunflower_plains.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/sunflower_plains.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/sunflower_plains.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/swamp.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/swamp.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/swamp.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/swamp.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/taiga.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/taiga.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/taiga.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/taiga.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/the_end.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/the_end.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/the_end.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/the_end.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/the_void.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/the_void.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/the_void.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/the_void.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/warm_ocean.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/warm_ocean.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/warm_ocean.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/warm_ocean.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/warped_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/warped_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/warped_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/warped_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/windswept_forest.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/windswept_forest.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/windswept_forest.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/windswept_forest.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/windswept_gravelly_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/windswept_gravelly_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/windswept_gravelly_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/windswept_hills.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/windswept_hills.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/windswept_hills.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/windswept_hills.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/windswept_savanna.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/windswept_savanna.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/windswept_savanna.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/windswept_savanna.json
diff --git a/pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/wooded_badlands.json b/pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/wooded_badlands.json
similarity index 100%
rename from pfb_biome_extensions/overlay_48/data/minecraft/worldgen/biome/wooded_badlands.json
rename to pfb_biome_extensions/backport_48/data/minecraft/worldgen/biome/wooded_badlands.json
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/badlands.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/badlands.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/bamboo_jungle.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..5f9d3c520c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/basalt_deltas.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_nether",
+      "required": false
+    },
+    "minecraft:nether_cave"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/beach.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/beach.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/birch_forest.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/birch_forest.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/cherry_grove.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/cold_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..5f9d3c520c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/crimson_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_nether",
+      "required": false
+    },
+    "minecraft:nether_cave"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/dark_forest.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/dark_forest.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_cold_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_dark.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_dark.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/deep_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/desert.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/desert.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/dripstone_caves.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_barrens.json
new file mode 100644
index 0000000000..588b779bc0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_highlands.json
new file mode 100644
index 0000000000..588b779bc0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_midlands.json
new file mode 100644
index 0000000000..588b779bc0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/eroded_badlands.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/flower_forest.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/flower_forest.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/forest.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/forest.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_peaks.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_river.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/frozen_river.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/grove.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/grove.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/ice_spikes.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/jagged_peaks.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/jungle.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/jungle.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/lukewarm_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/lush_caves.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/lush_caves.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/mangrove_swamp.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/meadow.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/meadow.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/mushroom_fields.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..5f9d3c520c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/nether_wastes.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_nether",
+      "required": false
+    },
+    "minecraft:nether_cave"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/plains.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/plains.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/river.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/river.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/savanna.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/savanna.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/savanna_plateau.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..588b779bc0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_beach.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_plains.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_slopes.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/snowy_taiga.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..5f9d3c520c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/soul_sand_valley.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_nether",
+      "required": false
+    },
+    "minecraft:nether_cave"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/sparse_jungle.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/stony_peaks.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/stony_shore.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/stony_shore.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/sunflower_plains.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/swamp.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/swamp.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/taiga.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/taiga.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/the_end.json
new file mode 100644
index 0000000000..588b779bc0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/warm_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/warped_forest.json
new file mode 100644
index 0000000000..5f9d3c520c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/warped_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_nether",
+      "required": false
+    },
+    "minecraft:nether_cave"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_forest.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_hills.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/windswept_savanna.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/configured_carver/in_biome/wooded_badlands.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/badlands.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/bamboo_jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..30576cb099
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/beach.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/beach.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/birch_forest.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/birch_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cherry_grove.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/cold_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..30576cb099
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dark_forest.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dark_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_cold_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_dark.json
new file mode 100644
index 0000000000..cfa381a47a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_dark.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/deep_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/desert.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/desert.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/dripstone_caves.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_barrens.json
new file mode 100644
index 0000000000..8df86ba913
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_highlands.json
new file mode 100644
index 0000000000..8df86ba913
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_midlands.json
new file mode 100644
index 0000000000..8df86ba913
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/eroded_badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/flower_forest.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/flower_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/forest.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..1a5743ce05
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_peaks.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava",
+    "minecraft:spring_lava_frozen"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_river.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/frozen_river.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/grove.json
new file mode 100644
index 0000000000..1a5743ce05
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/grove.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava",
+    "minecraft:spring_lava_frozen"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ice_spikes.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..1a5743ce05
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jagged_peaks.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava",
+    "minecraft:spring_lava_frozen"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jungle.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lukewarm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lush_caves.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/lush_caves.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mangrove_swamp.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/meadow.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/meadow.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/mushroom_fields.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..30576cb099
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/plains.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/river.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/river.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/savanna_plateau.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..8df86ba913
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_beach.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..1a5743ce05
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_slopes.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava",
+    "minecraft:spring_lava_frozen"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/snowy_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..30576cb099
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/soul_sand_valley.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sparse_jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_peaks.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_shore.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/stony_shore.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/sunflower_plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/swamp.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/swamp.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/taiga.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_end.json
new file mode 100644
index 0000000000..8df86ba913
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warped_forest.json
new file mode 100644
index 0000000000..30576cb099
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_hills.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/windswept_savanna.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/wooded_badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/badlands.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/bamboo_jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..a141583b40
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/beach.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/beach.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/birch_forest.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/birch_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cherry_grove.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/cold_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..a141583b40
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dark_forest.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dark_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_cold_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_dark.json
new file mode 100644
index 0000000000..46755c3b7c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_dark.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/deep_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/desert.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/desert.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/dripstone_caves.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_barrens.json
new file mode 100644
index 0000000000..8f00d8e27c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_highlands.json
new file mode 100644
index 0000000000..8f00d8e27c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_midlands.json
new file mode 100644
index 0000000000..8f00d8e27c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/eroded_badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/flower_forest.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/flower_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/forest.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_peaks.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_river.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/frozen_river.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/grove.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/grove.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ice_spikes.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jagged_peaks.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jungle.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lukewarm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lush_caves.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/lush_caves.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mangrove_swamp.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/meadow.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/meadow.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/mushroom_fields.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..a141583b40
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/plains.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/river.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/river.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/savanna_plateau.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..8f00d8e27c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_beach.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_slopes.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/snowy_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..a141583b40
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/soul_sand_valley.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sparse_jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_peaks.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_shore.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/stony_shore.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/sunflower_plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/swamp.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/swamp.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/taiga.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_end.json
new file mode 100644
index 0000000000..8f00d8e27c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warped_forest.json
new file mode 100644
index 0000000000..a141583b40
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_hills.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/windswept_savanna.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/wooded_badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/badlands.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/badlands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/bamboo_jungle.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..3bb8c75fcd
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/beach.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/beach.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/birch_forest.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/birch_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cherry_grove.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/cold_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..3bb8c75fcd
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dark_forest.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dark_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_cold_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_dark.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_dark.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..7c225233eb
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:iceberg_packed",
+    "minecraft:iceberg_blue",
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/deep_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/desert.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/desert.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..f50acab367
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/dripstone_caves.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode",
+    "minecraft:large_dripstone"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_barrens.json
new file mode 100644
index 0000000000..24e8318cbc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_highlands.json
new file mode 100644
index 0000000000..24e8318cbc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_midlands.json
new file mode 100644
index 0000000000..24e8318cbc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/eroded_badlands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/flower_forest.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/flower_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/forest.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..7c225233eb
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_ocean.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:iceberg_packed",
+    "minecraft:iceberg_blue",
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_river.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/frozen_river.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/grove.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/grove.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ice_spikes.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jagged_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jungle.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/jungle.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lukewarm_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lush_caves.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/lush_caves.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mangrove_swamp.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/meadow.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/meadow.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/mushroom_fields.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..3bb8c75fcd
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ocean.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..a00ae5e629
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode",
+    "minecraft:forest_rock"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..a00ae5e629
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode",
+    "minecraft:forest_rock"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/plains.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/plains.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/river.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/river.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/savanna_plateau.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..24e8318cbc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_beach.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_plains.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_slopes.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/snowy_taiga.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..5c7038b578
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/soul_sand_valley.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_nether",
+      "required": false
+    },
+    "minecraft:basalt_pillar"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sparse_jungle.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_shore.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/stony_shore.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/sunflower_plains.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/swamp.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/swamp.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/taiga.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/taiga.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_end.json
new file mode 100644
index 0000000000..24e8318cbc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warm_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warped_forest.json
new file mode 100644
index 0000000000..3bb8c75fcd
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_hills.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/windswept_savanna.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/wooded_badlands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/badlands.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/bamboo_jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..8666138563
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/beach.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/beach.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/birch_forest.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/birch_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cherry_grove.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/cold_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..8666138563
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dark_forest.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dark_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_cold_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_dark.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_dark.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/deep_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/desert.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/desert.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/dripstone_caves.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_barrens.json
new file mode 100644
index 0000000000..d4067a4c9d
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_highlands.json
new file mode 100644
index 0000000000..d4067a4c9d
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_midlands.json
new file mode 100644
index 0000000000..d4067a4c9d
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/eroded_badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/flower_forest.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/flower_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/forest.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_river.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/frozen_river.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/grove.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/grove.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ice_spikes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jagged_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jungle.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lukewarm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lush_caves.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/lush_caves.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mangrove_swamp.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/meadow.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/meadow.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/mushroom_fields.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..8666138563
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/plains.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/river.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/river.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/savanna_plateau.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..1ba39f3180
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/small_end_islands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_end",
+      "required": false
+    },
+    "minecraft:end_island_decorated"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_beach.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_slopes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/snowy_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..8666138563
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/soul_sand_valley.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sparse_jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_shore.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/stony_shore.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/sunflower_plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/swamp.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/swamp.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/taiga.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_end.json
new file mode 100644
index 0000000000..d4067a4c9d
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warped_forest.json
new file mode 100644
index 0000000000..8666138563
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_hills.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/windswept_savanna.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/wooded_badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/badlands.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/bamboo_jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..6304797d8b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/beach.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/beach.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/birch_forest.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/birch_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cherry_grove.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/cold_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..6304797d8b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dark_forest.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dark_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_cold_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_dark.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_dark.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/deep_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/desert.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/desert.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/dripstone_caves.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_barrens.json
new file mode 100644
index 0000000000..35d6078f96
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_highlands.json
new file mode 100644
index 0000000000..35d6078f96
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_midlands.json
new file mode 100644
index 0000000000..35d6078f96
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/eroded_badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/flower_forest.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/flower_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/forest.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_river.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/frozen_river.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/grove.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/grove.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ice_spikes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jagged_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jungle.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lukewarm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lush_caves.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/lush_caves.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mangrove_swamp.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/meadow.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/meadow.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/mushroom_fields.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..6304797d8b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/plains.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/river.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/river.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/savanna_plateau.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..35d6078f96
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_beach.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_slopes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/snowy_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..6304797d8b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/soul_sand_valley.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sparse_jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_shore.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/stony_shore.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/sunflower_plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/swamp.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/swamp.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/taiga.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_end.json
new file mode 100644
index 0000000000..35d6078f96
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warped_forest.json
new file mode 100644
index 0000000000..6304797d8b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_hills.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/windswept_savanna.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/wooded_badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/badlands.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/bamboo_jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..1b1c79b4ba
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/basalt_deltas.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_nether",
+      "required": false
+    },
+    "minecraft:delta",
+    "minecraft:small_basalt_columns",
+    "minecraft:large_basalt_columns"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/beach.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/beach.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/birch_forest.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/birch_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cherry_grove.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/cold_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..593507096e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dark_forest.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dark_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_cold_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_dark.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_dark.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..c12a8fc610
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:blue_ice"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/deep_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/desert.json
new file mode 100644
index 0000000000..f83e8c4249
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/desert.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:desert_well"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/dripstone_caves.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_barrens.json
new file mode 100644
index 0000000000..93db345cc0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_highlands.json
new file mode 100644
index 0000000000..5ac97602c1
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_highlands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_end",
+      "required": false
+    },
+    "minecraft:end_gateway_return"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_midlands.json
new file mode 100644
index 0000000000..93db345cc0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/eroded_badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/flower_forest.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/flower_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/forest.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..c12a8fc610
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:blue_ice"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_river.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/frozen_river.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/grove.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/grove.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..25677310ac
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ice_spikes.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:ice_spike",
+    "minecraft:ice_patch"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jagged_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jungle.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lukewarm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lush_caves.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/lush_caves.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mangrove_swamp.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/meadow.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/meadow.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/mushroom_fields.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..593507096e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ocean.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/plains.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/river.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/river.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/savanna_plateau.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..93db345cc0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_beach.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_slopes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/snowy_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..593507096e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/soul_sand_valley.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sparse_jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_peaks.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_shore.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/stony_shore.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/sunflower_plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/swamp.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/swamp.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/taiga.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_end.json
new file mode 100644
index 0000000000..3a651843a9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_end.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_end",
+      "required": false
+    },
+    "minecraft:end_spike"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warped_forest.json
new file mode 100644
index 0000000000..593507096e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_hills.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/windswept_savanna.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/wooded_badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/badlands.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/badlands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/bamboo_jungle.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..c970b2d759
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/beach.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/beach.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/birch_forest.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/birch_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cherry_grove.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/cold_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..c970b2d759
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dark_forest.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dark_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_cold_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_dark.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_dark.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/deep_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/desert.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/desert.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/dripstone_caves.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_barrens.json
new file mode 100644
index 0000000000..b8126b6e08
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_highlands.json
new file mode 100644
index 0000000000..b8126b6e08
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_midlands.json
new file mode 100644
index 0000000000..b8126b6e08
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/eroded_badlands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/flower_forest.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/flower_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/forest.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_river.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/frozen_river.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/grove.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/grove.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ice_spikes.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jagged_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jungle.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/jungle.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lukewarm_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lush_caves.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/lush_caves.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mangrove_swamp.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/meadow.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/meadow.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/mushroom_fields.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..c970b2d759
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/plains.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/plains.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/river.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/river.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/savanna_plateau.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..b8126b6e08
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_beach.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_plains.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_slopes.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/snowy_taiga.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..c970b2d759
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/soul_sand_valley.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sparse_jungle.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_shore.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/stony_shore.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/sunflower_plains.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/swamp.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/swamp.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/taiga.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/taiga.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_end.json
new file mode 100644
index 0000000000..3980c35276
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_end.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_end",
+      "required": false
+    },
+    "minecraft:end_platform"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_void.json
new file mode 100644
index 0000000000..2b959ffe69
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/the_void.json
@@ -0,0 +1,6 @@
+{
+  "replace": false,
+  "values": [
+    "minecraft:void_start_platform"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warm_ocean.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warped_forest.json
new file mode 100644
index 0000000000..c970b2d759
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_hills.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/windswept_savanna.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/wooded_badlands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/badlands.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/bamboo_jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..9f432dc218
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/basalt_deltas.json
@@ -0,0 +1,24 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:basalt_blobs",
+    "minecraft:blackstone_blobs",
+    "minecraft:spring_delta",
+    "minecraft:patch_fire",
+    "minecraft:patch_soul_fire",
+    "minecraft:glowstone_extra",
+    "minecraft:glowstone",
+    "minecraft:brown_mushroom_nether",
+    "minecraft:red_mushroom_nether",
+    "minecraft:ore_magma",
+    "minecraft:spring_closed_double",
+    "minecraft:ore_gold_deltas",
+    "minecraft:ore_quartz_deltas",
+    "minecraft:ore_ancient_debris_large",
+    "minecraft:ore_debris_small"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/beach.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/beach.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/birch_forest.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/birch_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cherry_grove.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/cold_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..ca37cb5209
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/crimson_forest.json
@@ -0,0 +1,21 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:spring_open",
+    "minecraft:patch_fire",
+    "minecraft:glowstone_extra",
+    "minecraft:glowstone",
+    "minecraft:ore_magma",
+    "minecraft:spring_closed",
+    "minecraft:ore_gravel_nether",
+    "minecraft:ore_blackstone",
+    "minecraft:ore_gold_nether",
+    "minecraft:ore_quartz_nether",
+    "minecraft:ore_ancient_debris_large",
+    "minecraft:ore_debris_small"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dark_forest.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dark_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_cold_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_dark.json
new file mode 100644
index 0000000000..85167be7e1
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_dark.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:sculk_vein",
+    "minecraft:sculk_patch_deep_dark"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/deep_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/desert.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/desert.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..5520d75828
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/dripstone_caves.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:dripstone_cluster",
+    "minecraft:pointed_dripstone"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_barrens.json
new file mode 100644
index 0000000000..5cb72e2210
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_highlands.json
new file mode 100644
index 0000000000..5cb72e2210
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_midlands.json
new file mode 100644
index 0000000000..5cb72e2210
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/eroded_badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/flower_forest.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/flower_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/forest.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_river.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/frozen_river.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/grove.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/grove.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ice_spikes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jagged_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jungle.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lukewarm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lush_caves.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/lush_caves.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mangrove_swamp.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/meadow.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/meadow.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/mushroom_fields.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..cf202e3855
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/nether_wastes.json
@@ -0,0 +1,24 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:spring_open",
+    "minecraft:patch_fire",
+    "minecraft:patch_soul_fire",
+    "minecraft:glowstone_extra",
+    "minecraft:glowstone",
+    "minecraft:brown_mushroom_nether",
+    "minecraft:red_mushroom_nether",
+    "minecraft:ore_magma",
+    "minecraft:spring_closed",
+    "minecraft:ore_gravel_nether",
+    "minecraft:ore_blackstone",
+    "minecraft:ore_gold_nether",
+    "minecraft:ore_quartz_nether",
+    "minecraft:ore_ancient_debris_large",
+    "minecraft:ore_debris_small"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/plains.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/river.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/river.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/savanna_plateau.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..5cb72e2210
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_beach.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_slopes.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/snowy_taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..4ce46a9bf1
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/soul_sand_valley.json
@@ -0,0 +1,24 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:spring_open",
+    "minecraft:patch_fire",
+    "minecraft:patch_soul_fire",
+    "minecraft:glowstone_extra",
+    "minecraft:glowstone",
+    "minecraft:patch_crimson_roots",
+    "minecraft:ore_magma",
+    "minecraft:spring_closed",
+    "minecraft:ore_soul_sand",
+    "minecraft:ore_gravel_nether",
+    "minecraft:ore_blackstone",
+    "minecraft:ore_gold_nether",
+    "minecraft:ore_quartz_nether",
+    "minecraft:ore_ancient_debris_large",
+    "minecraft:ore_debris_small"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sparse_jungle.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_shore.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/stony_shore.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/sunflower_plains.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/swamp.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/swamp.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/taiga.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/taiga.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_end.json
new file mode 100644
index 0000000000..5cb72e2210
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warm_ocean.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warped_forest.json
new file mode 100644
index 0000000000..dd09d50413
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/warped_forest.json
@@ -0,0 +1,22 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:spring_open",
+    "minecraft:patch_fire",
+    "minecraft:patch_soul_fire",
+    "minecraft:glowstone_extra",
+    "minecraft:glowstone",
+    "minecraft:ore_magma",
+    "minecraft:spring_closed",
+    "minecraft:ore_gravel_nether",
+    "minecraft:ore_blackstone",
+    "minecraft:ore_gold_nether",
+    "minecraft:ore_quartz_nether",
+    "minecraft:ore_ancient_debris_large",
+    "minecraft:ore_debris_small"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_forest.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..6cd420a436
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_hills.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_infested"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/windswept_savanna.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/wooded_badlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/badlands.json
new file mode 100644
index 0000000000..7a2c9ab13e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/badlands.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:ore_gold_extra",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/bamboo_jungle.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..75811ae2c9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/beach.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/beach.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/birch_forest.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/birch_forest.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cherry_grove.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/cold_ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..75811ae2c9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dark_forest.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dark_forest.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_cold_ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_dark.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_dark.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/deep_ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/desert.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/desert.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..921a24ce25
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/dripstone_caves.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper_large",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_barrens.json
new file mode 100644
index 0000000000..fe9ae09187
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_highlands.json
new file mode 100644
index 0000000000..fe9ae09187
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_midlands.json
new file mode 100644
index 0000000000..fe9ae09187
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..7a2c9ab13e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/eroded_badlands.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:ore_gold_extra",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/flower_forest.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/flower_forest.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/forest.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/forest.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_peaks.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_river.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/frozen_river.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/grove.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/grove.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ice_spikes.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jagged_peaks.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jungle.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/jungle.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lukewarm_ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lush_caves.json
new file mode 100644
index 0000000000..4bc9ca5fe9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/lush_caves.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:ore_clay",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..7e0d50ea95
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mangrove_swamp.json
@@ -0,0 +1,37 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_grass",
+    "minecraft:disk_clay"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/meadow.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/meadow.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/mushroom_fields.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..75811ae2c9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/plains.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/plains.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/river.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/river.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/savanna_plateau.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..fe9ae09187
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_beach.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_plains.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_slopes.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/snowy_taiga.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..75811ae2c9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/soul_sand_valley.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sparse_jungle.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_peaks.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_shore.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/stony_shore.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/sunflower_plains.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/swamp.json
new file mode 100644
index 0000000000..5fe571ce18
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/swamp.json
@@ -0,0 +1,36 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_clay"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/taiga.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/taiga.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_end.json
new file mode 100644
index 0000000000..fe9ae09187
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warm_ocean.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warped_forest.json
new file mode 100644
index 0000000000..75811ae2c9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_forest.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..c8ed0143c7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_hills.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel",
+    "minecraft:ore_emerald"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/windswept_savanna.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..7a2c9ab13e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/wooded_badlands.json
@@ -0,0 +1,39 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:ore_gold_extra",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/badlands.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/bamboo_jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..b2c24d2e6f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/beach.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/beach.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/birch_forest.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/birch_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cherry_grove.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/cold_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..b2c24d2e6f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/crimson_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dark_forest.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dark_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_cold_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_dark.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_dark.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/deep_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/desert.json
new file mode 100644
index 0000000000..ff89b2ec1a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/desert.json
@@ -0,0 +1,13 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:fossil_upper",
+    "minecraft:fossil_lower",
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/dripstone_caves.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_barrens.json
new file mode 100644
index 0000000000..282e8b99b0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_highlands.json
new file mode 100644
index 0000000000..282e8b99b0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_highlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_midlands.json
new file mode 100644
index 0000000000..282e8b99b0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/eroded_badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/flower_forest.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/flower_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/forest.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_peaks.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_river.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/frozen_river.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/grove.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/grove.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ice_spikes.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jagged_peaks.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jungle.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lukewarm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lush_caves.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/lush_caves.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..ff89b2ec1a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mangrove_swamp.json
@@ -0,0 +1,13 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:fossil_upper",
+    "minecraft:fossil_lower",
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/meadow.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/meadow.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/mushroom_fields.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..b2c24d2e6f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/nether_wastes.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/plains.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/river.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/river.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/savanna_plateau.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..282e8b99b0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_beach.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_slopes.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/snowy_taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..b2c24d2e6f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/soul_sand_valley.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sparse_jungle.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_peaks.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_shore.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/stony_shore.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/sunflower_plains.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/swamp.json
new file mode 100644
index 0000000000..ff89b2ec1a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/swamp.json
@@ -0,0 +1,13 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:fossil_upper",
+    "minecraft:fossil_lower",
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/taiga.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/taiga.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_end.json
new file mode 100644
index 0000000000..282e8b99b0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warm_ocean.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warped_forest.json
new file mode 100644
index 0000000000..b2c24d2e6f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/warped_forest.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_forest.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_hills.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/windswept_savanna.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/wooded_badlands.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/badlands.json
new file mode 100644
index 0000000000..942ed584de
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/badlands.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_grass_badlands",
+    "minecraft:patch_dead_bush_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane_badlands",
+    "minecraft:patch_pumpkin",
+    "minecraft:patch_cactus_decorated"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/bamboo_jungle.json
new file mode 100644
index 0000000000..4bc3d7a6a3
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/bamboo_jungle.json
@@ -0,0 +1,20 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:bamboo",
+    "minecraft:bamboo_vegetation",
+    "minecraft:flower_warm",
+    "minecraft:patch_grass_jungle",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:vines",
+    "minecraft:patch_melon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/basalt_deltas.json
new file mode 100644
index 0000000000..4349a9fe6e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/basalt_deltas.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_nether",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/beach.json
new file mode 100644
index 0000000000..13d98bcc29
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/beach.json
@@ -0,0 +1,16 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/birch_forest.json
new file mode 100644
index 0000000000..dcba91ea62
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/birch_forest.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:forest_flowers",
+    "minecraft:trees_birch",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_forest",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cherry_grove.json
new file mode 100644
index 0000000000..fa6a39154c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cherry_grove.json
@@ -0,0 +1,14 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass_2",
+    "minecraft:patch_grass_plain",
+    "minecraft:flower_cherry",
+    "minecraft:trees_cherry"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cold_ocean.json
new file mode 100644
index 0000000000..006d9e827d
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/cold_ocean.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:seagrass_cold",
+    "minecraft:kelp_cold"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/crimson_forest.json
new file mode 100644
index 0000000000..d9b01e9ef0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/crimson_forest.json
@@ -0,0 +1,15 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:spring_lava",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:weeping_vines",
+    "minecraft:crimson_fungi",
+    "minecraft:crimson_forest_vegetation"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dark_forest.json
new file mode 100644
index 0000000000..6e9f5815b7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dark_forest.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:dark_forest_vegetation",
+    "minecraft:forest_flowers",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_forest",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..1f60c3b876
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_cold_ocean.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:seagrass_deep_cold",
+    "minecraft:kelp_cold"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_dark.json
new file mode 100644
index 0000000000..73a2d00438
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_dark.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass_2",
+    "minecraft:trees_plains",
+    "minecraft:flower_plains",
+    "minecraft:patch_grass_plain",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..a624a7f287
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_frozen_ocean.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..03c93912e3
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_lukewarm_ocean.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:seagrass_deep_warm",
+    "minecraft:kelp_warm"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_ocean.json
new file mode 100644
index 0000000000..7b4adb7f41
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/deep_ocean.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:seagrass_deep",
+    "minecraft:kelp_cold"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/desert.json
new file mode 100644
index 0000000000..97addb35fc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/desert.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:patch_dead_bush_2",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane_desert",
+    "minecraft:patch_pumpkin",
+    "minecraft:patch_cactus_desert"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dripstone_caves.json
new file mode 100644
index 0000000000..73a2d00438
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/dripstone_caves.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass_2",
+    "minecraft:trees_plains",
+    "minecraft:flower_plains",
+    "minecraft:patch_grass_plain",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_barrens.json
new file mode 100644
index 0000000000..c2ad81aedc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_barrens.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_highlands.json
new file mode 100644
index 0000000000..28edad356c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_highlands.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_end",
+      "required": false
+    },
+    "minecraft:chorus_plant"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_midlands.json
new file mode 100644
index 0000000000..c2ad81aedc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/end_midlands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/eroded_badlands.json
new file mode 100644
index 0000000000..942ed584de
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/eroded_badlands.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_grass_badlands",
+    "minecraft:patch_dead_bush_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane_badlands",
+    "minecraft:patch_pumpkin",
+    "minecraft:patch_cactus_decorated"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/flower_forest.json
new file mode 100644
index 0000000000..3dcac0d545
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/flower_forest.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:flower_forest_flowers",
+    "minecraft:trees_flower_forest",
+    "minecraft:flower_flower_forest",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/forest.json
new file mode 100644
index 0000000000..08ac1eaaa2
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/forest.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:forest_flowers",
+    "minecraft:trees_birch_and_oak",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_forest",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_ocean.json
new file mode 100644
index 0000000000..a624a7f287
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_ocean.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_peaks.json
new file mode 100644
index 0000000000..763ba77b96
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_river.json
new file mode 100644
index 0000000000..a624a7f287
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/frozen_river.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/grove.json
new file mode 100644
index 0000000000..c3b3265ad1
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/grove.json
@@ -0,0 +1,13 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_grove",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ice_spikes.json
new file mode 100644
index 0000000000..5b24beccfc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ice_spikes.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_snowy",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jagged_peaks.json
new file mode 100644
index 0000000000..763ba77b96
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jagged_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jungle.json
new file mode 100644
index 0000000000..4ea85eab16
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/jungle.json
@@ -0,0 +1,20 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:bamboo_light",
+    "minecraft:trees_jungle",
+    "minecraft:flower_warm",
+    "minecraft:patch_grass_jungle",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:vines",
+    "minecraft:patch_melon"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..05fbaa13ad
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lukewarm_ocean.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:seagrass_warm",
+    "minecraft:kelp_warm"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lush_caves.json
new file mode 100644
index 0000000000..ae1cef986b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/lush_caves.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass_2",
+    "minecraft:lush_caves_ceiling_vegetation",
+    "minecraft:cave_vines",
+    "minecraft:lush_caves_clay",
+    "minecraft:lush_caves_vegetation",
+    "minecraft:rooted_azalea_tree",
+    "minecraft:spore_blossom",
+    "minecraft:classic_vines_cave_feature"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mangrove_swamp.json
new file mode 100644
index 0000000000..9003e1532f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mangrove_swamp.json
@@ -0,0 +1,15 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_mangrove",
+    "minecraft:patch_grass_normal",
+    "minecraft:patch_dead_bush",
+    "minecraft:patch_waterlily",
+    "minecraft:seagrass_swamp"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/meadow.json
new file mode 100644
index 0000000000..98dccd0bf2
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/meadow.json
@@ -0,0 +1,14 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass_2",
+    "minecraft:patch_grass_plain",
+    "minecraft:flower_meadow",
+    "minecraft:trees_meadow"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mushroom_fields.json
new file mode 100644
index 0000000000..6fb541aa47
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/mushroom_fields.json
@@ -0,0 +1,15 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:mushroom_island_vegetation",
+    "minecraft:brown_mushroom_taiga",
+    "minecraft:red_mushroom_taiga",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/nether_wastes.json
new file mode 100644
index 0000000000..b2fa7ea96b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/nether_wastes.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:spring_lava",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ocean.json
new file mode 100644
index 0000000000..9f3cd64335
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/ocean.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:seagrass_normal",
+    "minecraft:kelp_cold"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..2bfd4347f7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_birch_forest.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:forest_flowers",
+    "minecraft:birch_tall",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_forest",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..ef77295fc2
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_pine_taiga.json
@@ -0,0 +1,22 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_large_fern",
+    "minecraft:trees_old_growth_pine_taiga",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_taiga",
+    "minecraft:patch_dead_bush",
+    "minecraft:brown_mushroom_old_growth",
+    "minecraft:red_mushroom_old_growth",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:patch_berry_common"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..654ed1f56f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/old_growth_spruce_taiga.json
@@ -0,0 +1,22 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_large_fern",
+    "minecraft:trees_old_growth_spruce_taiga",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_taiga",
+    "minecraft:patch_dead_bush",
+    "minecraft:brown_mushroom_old_growth",
+    "minecraft:red_mushroom_old_growth",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:patch_berry_common"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/plains.json
new file mode 100644
index 0000000000..73a2d00438
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/plains.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass_2",
+    "minecraft:trees_plains",
+    "minecraft:flower_plains",
+    "minecraft:patch_grass_plain",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/river.json
new file mode 100644
index 0000000000..98878236cc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/river.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:seagrass_river"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna.json
new file mode 100644
index 0000000000..7fd572eecd
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass",
+    "minecraft:trees_savanna",
+    "minecraft:flower_warm",
+    "minecraft:patch_grass_savanna",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna_plateau.json
new file mode 100644
index 0000000000..7fd572eecd
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/savanna_plateau.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass",
+    "minecraft:trees_savanna",
+    "minecraft:flower_warm",
+    "minecraft:patch_grass_savanna",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/small_end_islands.json
new file mode 100644
index 0000000000..c2ad81aedc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/small_end_islands.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_beach.json
new file mode 100644
index 0000000000..13d98bcc29
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_beach.json
@@ -0,0 +1,16 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_plains.json
new file mode 100644
index 0000000000..5b24beccfc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_plains.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_snowy",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_slopes.json
new file mode 100644
index 0000000000..31bf811d0c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_slopes.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_taiga.json
new file mode 100644
index 0000000000..9d9dfc56f6
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/snowy_taiga.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_large_fern",
+    "minecraft:trees_taiga",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_taiga_2",
+    "minecraft:brown_mushroom_taiga",
+    "minecraft:red_mushroom_taiga",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:patch_berry_rare"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/soul_sand_valley.json
new file mode 100644
index 0000000000..ee1d5860b3
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/soul_sand_valley.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sparse_jungle.json
new file mode 100644
index 0000000000..54d0931c4c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sparse_jungle.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_sparse_jungle",
+    "minecraft:flower_warm",
+    "minecraft:patch_grass_jungle",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:vines",
+    "minecraft:patch_melon_sparse"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_peaks.json
new file mode 100644
index 0000000000..763ba77b96
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_peaks.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_shore.json
new file mode 100644
index 0000000000..13d98bcc29
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/stony_shore.json
@@ -0,0 +1,16 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sunflower_plains.json
new file mode 100644
index 0000000000..62baa25894
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/sunflower_plains.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_tall_grass_2",
+    "minecraft:patch_sunflower",
+    "minecraft:trees_plains",
+    "minecraft:flower_plains",
+    "minecraft:patch_grass_plain",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/swamp.json
new file mode 100644
index 0000000000..38ba6bd789
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/swamp.json
@@ -0,0 +1,22 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_swamp",
+    "minecraft:flower_swamp",
+    "minecraft:patch_grass_normal",
+    "minecraft:patch_dead_bush",
+    "minecraft:patch_waterlily",
+    "minecraft:brown_mushroom_swamp",
+    "minecraft:red_mushroom_swamp",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane_swamp",
+    "minecraft:patch_pumpkin",
+    "minecraft:seagrass_swamp"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/taiga.json
new file mode 100644
index 0000000000..054b2fdfd3
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/taiga.json
@@ -0,0 +1,19 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:patch_large_fern",
+    "minecraft:trees_taiga",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_taiga_2",
+    "minecraft:brown_mushroom_taiga",
+    "minecraft:red_mushroom_taiga",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:patch_berry_common"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_end.json
new file mode 100644
index 0000000000..c2ad81aedc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_end.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_end",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_void.json
new file mode 100644
index 0000000000..5d341ba242
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/the_void.json
@@ -0,0 +1,4 @@
+{
+  "replace": false,
+  "values": []
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warm_ocean.json
new file mode 100644
index 0000000000..eecc3476dd
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warm_ocean.json
@@ -0,0 +1,20 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_water",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin",
+    "minecraft:warm_ocean_vegetation",
+    "minecraft:seagrass_warm",
+    "minecraft:sea_pickle"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warped_forest.json
new file mode 100644
index 0000000000..9c6a493175
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/warped_forest.json
@@ -0,0 +1,16 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_nether",
+      "required": false
+    },
+    "minecraft:spring_lava",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:warped_fungi",
+    "minecraft:warped_forest_vegetation",
+    "minecraft:nether_sprouts",
+    "minecraft:twisting_vines"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_forest.json
new file mode 100644
index 0000000000..4f0dd143b0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_forest.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_windswept_forest",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..a25b54a207
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_gravelly_hills.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_windswept_hills",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_hills.json
new file mode 100644
index 0000000000..a25b54a207
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_hills.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_windswept_hills",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_savanna.json
new file mode 100644
index 0000000000..6434f5009f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/windswept_savanna.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_windswept_savanna",
+    "minecraft:flower_default",
+    "minecraft:patch_grass_normal",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/wooded_badlands.json
new file mode 100644
index 0000000000..87fa18f9c2
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/wooded_badlands.json
@@ -0,0 +1,18 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:trees_badlands",
+    "minecraft:patch_grass_badlands",
+    "minecraft:patch_dead_bush_badlands",
+    "minecraft:brown_mushroom_normal",
+    "minecraft:red_mushroom_normal",
+    "minecraft:patch_sugar_cane_badlands",
+    "minecraft:patch_pumpkin",
+    "minecraft:patch_cactus_decorated"
+  ]
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/badlands.json
new file mode 100644
index 0000000000..160aee68e5
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/badlands.json
@@ -0,0 +1,121 @@
+{
+  "carvers": "#minecraft:in_biome/badlands",
+  "creature_spawn_probability": 0.03,
+  "downfall": 0.0,
+  "effects": {
+    "fog_color": 12638463,
+    "foliage_color": 10387789,
+    "grass_color": 9470285,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.badlands"
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/badlands",
+    "#minecraft:lakes/in_biome/badlands",
+    "#minecraft:local_modifications/in_biome/badlands",
+    "#minecraft:underground_structures/in_biome/badlands",
+    "#minecraft:surface_structures/in_biome/badlands",
+    "#minecraft:strongholds/in_biome/badlands",
+    "#minecraft:underground_ores/in_biome/badlands",
+    "#minecraft:underground_decoration/in_biome/badlands",
+    "#minecraft:fluid_springs/in_biome/badlands",
+    "#minecraft:vegetal_decoration/in_biome/badlands",
+    "#minecraft:top_layer_modification/in_biome/badlands"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:armadillo",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 6
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/bamboo_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/bamboo_jungle.json
new file mode 100644
index 0000000000..ab3035d7e9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/bamboo_jungle.json
@@ -0,0 +1,160 @@
+{
+  "carvers": "#minecraft:in_biome/bamboo_jungle",
+  "downfall": 0.9,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.bamboo_jungle"
+    },
+    "sky_color": 7842047,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/bamboo_jungle",
+    "#minecraft:lakes/in_biome/bamboo_jungle",
+    "#minecraft:local_modifications/in_biome/bamboo_jungle",
+    "#minecraft:underground_structures/in_biome/bamboo_jungle",
+    "#minecraft:surface_structures/in_biome/bamboo_jungle",
+    "#minecraft:strongholds/in_biome/bamboo_jungle",
+    "#minecraft:underground_ores/in_biome/bamboo_jungle",
+    "#minecraft:underground_decoration/in_biome/bamboo_jungle",
+    "#minecraft:fluid_springs/in_biome/bamboo_jungle",
+    "#minecraft:vegetal_decoration/in_biome/bamboo_jungle",
+    "#minecraft:top_layer_modification/in_biome/bamboo_jungle"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:parrot",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 40
+      },
+      {
+        "type": "minecraft:panda",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 80
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:ocelot",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 2
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.95
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/basalt_deltas.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/basalt_deltas.json
new file mode 100644
index 0000000000..de3db49d80
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/basalt_deltas.json
@@ -0,0 +1,79 @@
+{
+  "carvers": "#minecraft:in_biome/basalt_deltas",
+  "downfall": 0.0,
+  "effects": {
+    "additions_sound": {
+      "sound": "minecraft:ambient.basalt_deltas.additions",
+      "tick_chance": 0.0111
+    },
+    "ambient_sound": "minecraft:ambient.basalt_deltas.loop",
+    "fog_color": 6840176,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.basalt_deltas.mood",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.nether.basalt_deltas"
+    },
+    "particle": {
+      "options": {
+        "type": "minecraft:white_ash"
+      },
+      "probability": 0.118093334
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/basalt_deltas",
+    "#minecraft:lakes/in_biome/basalt_deltas",
+    "#minecraft:local_modifications/in_biome/basalt_deltas",
+    "#minecraft:underground_structures/in_biome/basalt_deltas",
+    "#minecraft:surface_structures/in_biome/basalt_deltas",
+    "#minecraft:strongholds/in_biome/basalt_deltas",
+    "#minecraft:underground_ores/in_biome/basalt_deltas",
+    "#minecraft:underground_decoration/in_biome/basalt_deltas",
+    "#minecraft:fluid_springs/in_biome/basalt_deltas",
+    "#minecraft:vegetal_decoration/in_biome/basalt_deltas",
+    "#minecraft:top_layer_modification/in_biome/basalt_deltas"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:strider",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 60
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:ghast",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 40
+      },
+      {
+        "type": "minecraft:magma_cube",
+        "maxCount": 5,
+        "minCount": 2,
+        "weight": 100
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/beach.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/beach.json
new file mode 100644
index 0000000000..abb4eab79a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/beach.json
@@ -0,0 +1,112 @@
+{
+  "carvers": "#minecraft:in_biome/beach",
+  "downfall": 0.4,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 7907327,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/beach",
+    "#minecraft:lakes/in_biome/beach",
+    "#minecraft:local_modifications/in_biome/beach",
+    "#minecraft:underground_structures/in_biome/beach",
+    "#minecraft:surface_structures/in_biome/beach",
+    "#minecraft:strongholds/in_biome/beach",
+    "#minecraft:underground_ores/in_biome/beach",
+    "#minecraft:underground_decoration/in_biome/beach",
+    "#minecraft:fluid_springs/in_biome/beach",
+    "#minecraft:vegetal_decoration/in_biome/beach",
+    "#minecraft:top_layer_modification/in_biome/beach"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:turtle",
+        "maxCount": 5,
+        "minCount": 2,
+        "weight": 5
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.8
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/birch_forest.json
new file mode 100644
index 0000000000..b96f3b49a3
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/birch_forest.json
@@ -0,0 +1,136 @@
+{
+  "carvers": "#minecraft:in_biome/birch_forest",
+  "downfall": 0.6,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.forest"
+    },
+    "sky_color": 8037887,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/birch_forest",
+    "#minecraft:lakes/in_biome/birch_forest",
+    "#minecraft:local_modifications/in_biome/birch_forest",
+    "#minecraft:underground_structures/in_biome/birch_forest",
+    "#minecraft:surface_structures/in_biome/birch_forest",
+    "#minecraft:strongholds/in_biome/birch_forest",
+    "#minecraft:underground_ores/in_biome/birch_forest",
+    "#minecraft:underground_decoration/in_biome/birch_forest",
+    "#minecraft:fluid_springs/in_biome/birch_forest",
+    "#minecraft:vegetal_decoration/in_biome/birch_forest",
+    "#minecraft:top_layer_modification/in_biome/birch_forest"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.6
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/cherry_grove.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/cherry_grove.json
new file mode 100644
index 0000000000..6934ef4911
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/cherry_grove.json
@@ -0,0 +1,132 @@
+{
+  "carvers": "#minecraft:in_biome/cherry_grove",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "foliage_color": 11983713,
+    "grass_color": 11983713,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.cherry_grove"
+    },
+    "sky_color": 8103167,
+    "water_color": 6141935,
+    "water_fog_color": 6141935
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/cherry_grove",
+    "#minecraft:lakes/in_biome/cherry_grove",
+    "#minecraft:local_modifications/in_biome/cherry_grove",
+    "#minecraft:underground_structures/in_biome/cherry_grove",
+    "#minecraft:surface_structures/in_biome/cherry_grove",
+    "#minecraft:strongholds/in_biome/cherry_grove",
+    "#minecraft:underground_ores/in_biome/cherry_grove",
+    "#minecraft:underground_decoration/in_biome/cherry_grove",
+    "#minecraft:fluid_springs/in_biome/cherry_grove",
+    "#minecraft:vegetal_decoration/in_biome/cherry_grove",
+    "#minecraft:top_layer_modification/in_biome/cherry_grove"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:pig",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 6,
+        "minCount": 2,
+        "weight": 2
+      },
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 2
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/cold_ocean.json
new file mode 100644
index 0000000000..a67caf6c37
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/cold_ocean.json
@@ -0,0 +1,131 @@
+{
+  "carvers": "#minecraft:in_biome/cold_ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4020182,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/cold_ocean",
+    "#minecraft:lakes/in_biome/cold_ocean",
+    "#minecraft:local_modifications/in_biome/cold_ocean",
+    "#minecraft:underground_structures/in_biome/cold_ocean",
+    "#minecraft:surface_structures/in_biome/cold_ocean",
+    "#minecraft:strongholds/in_biome/cold_ocean",
+    "#minecraft:underground_ores/in_biome/cold_ocean",
+    "#minecraft:underground_decoration/in_biome/cold_ocean",
+    "#minecraft:fluid_springs/in_biome/cold_ocean",
+    "#minecraft:vegetal_decoration/in_biome/cold_ocean",
+    "#minecraft:top_layer_modification/in_biome/cold_ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:cod",
+        "maxCount": 6,
+        "minCount": 3,
+        "weight": 15
+      },
+      {
+        "type": "minecraft:salmon",
+        "maxCount": 5,
+        "minCount": 1,
+        "weight": 15
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 3
+      }
+    ]
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/crimson_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/crimson_forest.json
new file mode 100644
index 0000000000..f0fb135b4c
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/crimson_forest.json
@@ -0,0 +1,85 @@
+{
+  "carvers": "#minecraft:in_biome/crimson_forest",
+  "downfall": 0.0,
+  "effects": {
+    "additions_sound": {
+      "sound": "minecraft:ambient.crimson_forest.additions",
+      "tick_chance": 0.0111
+    },
+    "ambient_sound": "minecraft:ambient.crimson_forest.loop",
+    "fog_color": 3343107,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.crimson_forest.mood",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.nether.crimson_forest"
+    },
+    "particle": {
+      "options": {
+        "type": "minecraft:crimson_spore"
+      },
+      "probability": 0.025
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/crimson_forest",
+    "#minecraft:lakes/in_biome/crimson_forest",
+    "#minecraft:local_modifications/in_biome/crimson_forest",
+    "#minecraft:underground_structures/in_biome/crimson_forest",
+    "#minecraft:surface_structures/in_biome/crimson_forest",
+    "#minecraft:strongholds/in_biome/crimson_forest",
+    "#minecraft:underground_ores/in_biome/crimson_forest",
+    "#minecraft:underground_decoration/in_biome/crimson_forest",
+    "#minecraft:fluid_springs/in_biome/crimson_forest",
+    "#minecraft:vegetal_decoration/in_biome/crimson_forest",
+    "#minecraft:top_layer_modification/in_biome/crimson_forest"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:strider",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 60
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:zombified_piglin",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:hoglin",
+        "maxCount": 4,
+        "minCount": 3,
+        "weight": 9
+      },
+      {
+        "type": "minecraft:piglin",
+        "maxCount": 4,
+        "minCount": 3,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/dark_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/dark_forest.json
new file mode 100644
index 0000000000..656901576f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/dark_forest.json
@@ -0,0 +1,137 @@
+{
+  "carvers": "#minecraft:in_biome/dark_forest",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "grass_color_modifier": "dark_forest",
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.forest"
+    },
+    "sky_color": 7972607,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/dark_forest",
+    "#minecraft:lakes/in_biome/dark_forest",
+    "#minecraft:local_modifications/in_biome/dark_forest",
+    "#minecraft:underground_structures/in_biome/dark_forest",
+    "#minecraft:surface_structures/in_biome/dark_forest",
+    "#minecraft:strongholds/in_biome/dark_forest",
+    "#minecraft:underground_ores/in_biome/dark_forest",
+    "#minecraft:underground_decoration/in_biome/dark_forest",
+    "#minecraft:fluid_springs/in_biome/dark_forest",
+    "#minecraft:vegetal_decoration/in_biome/dark_forest",
+    "#minecraft:top_layer_modification/in_biome/dark_forest"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.7
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_cold_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_cold_ocean.json
new file mode 100644
index 0000000000..7e0492095f
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_cold_ocean.json
@@ -0,0 +1,131 @@
+{
+  "carvers": "#minecraft:in_biome/deep_cold_ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4020182,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/deep_cold_ocean",
+    "#minecraft:lakes/in_biome/deep_cold_ocean",
+    "#minecraft:local_modifications/in_biome/deep_cold_ocean",
+    "#minecraft:underground_structures/in_biome/deep_cold_ocean",
+    "#minecraft:surface_structures/in_biome/deep_cold_ocean",
+    "#minecraft:strongholds/in_biome/deep_cold_ocean",
+    "#minecraft:underground_ores/in_biome/deep_cold_ocean",
+    "#minecraft:underground_decoration/in_biome/deep_cold_ocean",
+    "#minecraft:fluid_springs/in_biome/deep_cold_ocean",
+    "#minecraft:vegetal_decoration/in_biome/deep_cold_ocean",
+    "#minecraft:top_layer_modification/in_biome/deep_cold_ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:cod",
+        "maxCount": 6,
+        "minCount": 3,
+        "weight": 15
+      },
+      {
+        "type": "minecraft:salmon",
+        "maxCount": 5,
+        "minCount": 1,
+        "weight": 15
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 3
+      }
+    ]
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_dark.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_dark.json
new file mode 100644
index 0000000000..ada0f1d036
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_dark.json
@@ -0,0 +1,48 @@
+{
+  "carvers": "#minecraft:in_biome/deep_dark",
+  "downfall": 0.4,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.deep_dark"
+    },
+    "sky_color": 7907327,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/deep_dark",
+    "#minecraft:lakes/in_biome/deep_dark",
+    "#minecraft:local_modifications/in_biome/deep_dark",
+    "#minecraft:underground_structures/in_biome/deep_dark",
+    "#minecraft:surface_structures/in_biome/deep_dark",
+    "#minecraft:strongholds/in_biome/deep_dark",
+    "#minecraft:underground_ores/in_biome/deep_dark",
+    "#minecraft:underground_decoration/in_biome/deep_dark",
+    "#minecraft:fluid_springs/in_biome/deep_dark",
+    "#minecraft:vegetal_decoration/in_biome/deep_dark",
+    "#minecraft:top_layer_modification/in_biome/deep_dark"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.8
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_frozen_ocean.json
new file mode 100644
index 0000000000..7cb674e20a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_frozen_ocean.json
@@ -0,0 +1,133 @@
+{
+  "carvers": "#minecraft:in_biome/deep_frozen_ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 3750089,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/deep_frozen_ocean",
+    "#minecraft:lakes/in_biome/deep_frozen_ocean",
+    "#minecraft:local_modifications/in_biome/deep_frozen_ocean",
+    "#minecraft:underground_structures/in_biome/deep_frozen_ocean",
+    "#minecraft:surface_structures/in_biome/deep_frozen_ocean",
+    "#minecraft:strongholds/in_biome/deep_frozen_ocean",
+    "#minecraft:underground_ores/in_biome/deep_frozen_ocean",
+    "#minecraft:underground_decoration/in_biome/deep_frozen_ocean",
+    "#minecraft:fluid_springs/in_biome/deep_frozen_ocean",
+    "#minecraft:vegetal_decoration/in_biome/deep_frozen_ocean",
+    "#minecraft:top_layer_modification/in_biome/deep_frozen_ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:polar_bear",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:salmon",
+        "maxCount": 5,
+        "minCount": 1,
+        "weight": 15
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 1
+      }
+    ]
+  },
+  "temperature": 0.5,
+  "temperature_modifier": "frozen"
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json
new file mode 100644
index 0000000000..6d9eab266a
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json
@@ -0,0 +1,143 @@
+{
+  "carvers": "#minecraft:in_biome/deep_lukewarm_ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4566514,
+    "water_fog_color": 267827
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/deep_lukewarm_ocean",
+    "#minecraft:lakes/in_biome/deep_lukewarm_ocean",
+    "#minecraft:local_modifications/in_biome/deep_lukewarm_ocean",
+    "#minecraft:underground_structures/in_biome/deep_lukewarm_ocean",
+    "#minecraft:surface_structures/in_biome/deep_lukewarm_ocean",
+    "#minecraft:strongholds/in_biome/deep_lukewarm_ocean",
+    "#minecraft:underground_ores/in_biome/deep_lukewarm_ocean",
+    "#minecraft:underground_decoration/in_biome/deep_lukewarm_ocean",
+    "#minecraft:fluid_springs/in_biome/deep_lukewarm_ocean",
+    "#minecraft:vegetal_decoration/in_biome/deep_lukewarm_ocean",
+    "#minecraft:top_layer_modification/in_biome/deep_lukewarm_ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:cod",
+        "maxCount": 6,
+        "minCount": 3,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:pufferfish",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:tropical_fish",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 25
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:dolphin",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 2
+      }
+    ]
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_ocean.json
new file mode 100644
index 0000000000..9c2770210d
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/deep_ocean.json
@@ -0,0 +1,131 @@
+{
+  "carvers": "#minecraft:in_biome/deep_ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/deep_ocean",
+    "#minecraft:lakes/in_biome/deep_ocean",
+    "#minecraft:local_modifications/in_biome/deep_ocean",
+    "#minecraft:underground_structures/in_biome/deep_ocean",
+    "#minecraft:surface_structures/in_biome/deep_ocean",
+    "#minecraft:strongholds/in_biome/deep_ocean",
+    "#minecraft:underground_ores/in_biome/deep_ocean",
+    "#minecraft:underground_decoration/in_biome/deep_ocean",
+    "#minecraft:fluid_springs/in_biome/deep_ocean",
+    "#minecraft:vegetal_decoration/in_biome/deep_ocean",
+    "#minecraft:top_layer_modification/in_biome/deep_ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:cod",
+        "maxCount": 6,
+        "minCount": 3,
+        "weight": 10
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:dolphin",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      }
+    ]
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/desert.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/desert.json
new file mode 100644
index 0000000000..3f05e0dcd6
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/desert.json
@@ -0,0 +1,124 @@
+{
+  "carvers": "#minecraft:in_biome/desert",
+  "downfall": 0.0,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.desert"
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/desert",
+    "#minecraft:lakes/in_biome/desert",
+    "#minecraft:local_modifications/in_biome/desert",
+    "#minecraft:underground_structures/in_biome/desert",
+    "#minecraft:surface_structures/in_biome/desert",
+    "#minecraft:strongholds/in_biome/desert",
+    "#minecraft:underground_ores/in_biome/desert",
+    "#minecraft:underground_decoration/in_biome/desert",
+    "#minecraft:fluid_springs/in_biome/desert",
+    "#minecraft:vegetal_decoration/in_biome/desert",
+    "#minecraft:top_layer_modification/in_biome/desert"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 4
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 19
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:husk",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 80
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/dripstone_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/dripstone_caves.json
new file mode 100644
index 0000000000..4438a83afc
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/dripstone_caves.json
@@ -0,0 +1,117 @@
+{
+  "carvers": "#minecraft:in_biome/dripstone_caves",
+  "downfall": 0.4,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.dripstone_caves"
+    },
+    "sky_color": 7907327,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/dripstone_caves",
+    "#minecraft:lakes/in_biome/dripstone_caves",
+    "#minecraft:local_modifications/in_biome/dripstone_caves",
+    "#minecraft:underground_structures/in_biome/dripstone_caves",
+    "#minecraft:surface_structures/in_biome/dripstone_caves",
+    "#minecraft:strongholds/in_biome/dripstone_caves",
+    "#minecraft:underground_ores/in_biome/dripstone_caves",
+    "#minecraft:underground_decoration/in_biome/dripstone_caves",
+    "#minecraft:fluid_springs/in_biome/dripstone_caves",
+    "#minecraft:vegetal_decoration/in_biome/dripstone_caves",
+    "#minecraft:top_layer_modification/in_biome/dripstone_caves"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.8
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_barrens.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_barrens.json
new file mode 100644
index 0000000000..761f83fb72
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_barrens.json
@@ -0,0 +1,49 @@
+{
+  "carvers": "#minecraft:in_biome/end_barrens",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 10518688,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 0,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/end_barrens",
+    "#minecraft:lakes/in_biome/end_barrens",
+    "#minecraft:local_modifications/in_biome/end_barrens",
+    "#minecraft:underground_structures/in_biome/end_barrens",
+    "#minecraft:surface_structures/in_biome/end_barrens",
+    "#minecraft:strongholds/in_biome/end_barrens",
+    "#minecraft:underground_ores/in_biome/end_barrens",
+    "#minecraft:underground_decoration/in_biome/end_barrens",
+    "#minecraft:fluid_springs/in_biome/end_barrens",
+    "#minecraft:vegetal_decoration/in_biome/end_barrens",
+    "#minecraft:top_layer_modification/in_biome/end_barrens"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_highlands.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_highlands.json
new file mode 100644
index 0000000000..1e94b54142
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_highlands.json
@@ -0,0 +1,49 @@
+{
+  "carvers": "#minecraft:in_biome/end_highlands",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 10518688,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 0,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/end_highlands",
+    "#minecraft:lakes/in_biome/end_highlands",
+    "#minecraft:local_modifications/in_biome/end_highlands",
+    "#minecraft:underground_structures/in_biome/end_highlands",
+    "#minecraft:surface_structures/in_biome/end_highlands",
+    "#minecraft:strongholds/in_biome/end_highlands",
+    "#minecraft:underground_ores/in_biome/end_highlands",
+    "#minecraft:underground_decoration/in_biome/end_highlands",
+    "#minecraft:fluid_springs/in_biome/end_highlands",
+    "#minecraft:vegetal_decoration/in_biome/end_highlands",
+    "#minecraft:top_layer_modification/in_biome/end_highlands"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_midlands.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_midlands.json
new file mode 100644
index 0000000000..8ee6a657c0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/end_midlands.json
@@ -0,0 +1,49 @@
+{
+  "carvers": "#minecraft:in_biome/end_midlands",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 10518688,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 0,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/end_midlands",
+    "#minecraft:lakes/in_biome/end_midlands",
+    "#minecraft:local_modifications/in_biome/end_midlands",
+    "#minecraft:underground_structures/in_biome/end_midlands",
+    "#minecraft:surface_structures/in_biome/end_midlands",
+    "#minecraft:strongholds/in_biome/end_midlands",
+    "#minecraft:underground_ores/in_biome/end_midlands",
+    "#minecraft:underground_decoration/in_biome/end_midlands",
+    "#minecraft:fluid_springs/in_biome/end_midlands",
+    "#minecraft:vegetal_decoration/in_biome/end_midlands",
+    "#minecraft:top_layer_modification/in_biome/end_midlands"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/eroded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/eroded_badlands.json
new file mode 100644
index 0000000000..520586deeb
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/eroded_badlands.json
@@ -0,0 +1,121 @@
+{
+  "carvers": "#minecraft:in_biome/eroded_badlands",
+  "creature_spawn_probability": 0.03,
+  "downfall": 0.0,
+  "effects": {
+    "fog_color": 12638463,
+    "foliage_color": 10387789,
+    "grass_color": 9470285,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.badlands"
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/eroded_badlands",
+    "#minecraft:lakes/in_biome/eroded_badlands",
+    "#minecraft:local_modifications/in_biome/eroded_badlands",
+    "#minecraft:underground_structures/in_biome/eroded_badlands",
+    "#minecraft:surface_structures/in_biome/eroded_badlands",
+    "#minecraft:strongholds/in_biome/eroded_badlands",
+    "#minecraft:underground_ores/in_biome/eroded_badlands",
+    "#minecraft:underground_decoration/in_biome/eroded_badlands",
+    "#minecraft:fluid_springs/in_biome/eroded_badlands",
+    "#minecraft:vegetal_decoration/in_biome/eroded_badlands",
+    "#minecraft:top_layer_modification/in_biome/eroded_badlands"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:armadillo",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 6
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/flower_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/flower_forest.json
new file mode 100644
index 0000000000..03afb74882
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/flower_forest.json
@@ -0,0 +1,142 @@
+{
+  "carvers": "#minecraft:in_biome/flower_forest",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.flower_forest"
+    },
+    "sky_color": 7972607,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/flower_forest",
+    "#minecraft:lakes/in_biome/flower_forest",
+    "#minecraft:local_modifications/in_biome/flower_forest",
+    "#minecraft:underground_structures/in_biome/flower_forest",
+    "#minecraft:surface_structures/in_biome/flower_forest",
+    "#minecraft:strongholds/in_biome/flower_forest",
+    "#minecraft:underground_ores/in_biome/flower_forest",
+    "#minecraft:underground_decoration/in_biome/flower_forest",
+    "#minecraft:fluid_springs/in_biome/flower_forest",
+    "#minecraft:vegetal_decoration/in_biome/flower_forest",
+    "#minecraft:top_layer_modification/in_biome/flower_forest"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 4
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.7
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/forest.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/forest.json
new file mode 100644
index 0000000000..1033bf7235
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/forest.json
@@ -0,0 +1,142 @@
+{
+  "carvers": "#minecraft:in_biome/forest",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.forest"
+    },
+    "sky_color": 7972607,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/forest",
+    "#minecraft:lakes/in_biome/forest",
+    "#minecraft:local_modifications/in_biome/forest",
+    "#minecraft:underground_structures/in_biome/forest",
+    "#minecraft:surface_structures/in_biome/forest",
+    "#minecraft:strongholds/in_biome/forest",
+    "#minecraft:underground_ores/in_biome/forest",
+    "#minecraft:underground_decoration/in_biome/forest",
+    "#minecraft:fluid_springs/in_biome/forest",
+    "#minecraft:vegetal_decoration/in_biome/forest",
+    "#minecraft:top_layer_modification/in_biome/forest"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 5
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.7
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_ocean.json
new file mode 100644
index 0000000000..afb79fb4e9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_ocean.json
@@ -0,0 +1,133 @@
+{
+  "carvers": "#minecraft:in_biome/frozen_ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8364543,
+    "water_color": 3750089,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/frozen_ocean",
+    "#minecraft:lakes/in_biome/frozen_ocean",
+    "#minecraft:local_modifications/in_biome/frozen_ocean",
+    "#minecraft:underground_structures/in_biome/frozen_ocean",
+    "#minecraft:surface_structures/in_biome/frozen_ocean",
+    "#minecraft:strongholds/in_biome/frozen_ocean",
+    "#minecraft:underground_ores/in_biome/frozen_ocean",
+    "#minecraft:underground_decoration/in_biome/frozen_ocean",
+    "#minecraft:fluid_springs/in_biome/frozen_ocean",
+    "#minecraft:vegetal_decoration/in_biome/frozen_ocean",
+    "#minecraft:top_layer_modification/in_biome/frozen_ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:polar_bear",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:salmon",
+        "maxCount": 5,
+        "minCount": 1,
+        "weight": 15
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 1
+      }
+    ]
+  },
+  "temperature": 0.0,
+  "temperature_modifier": "frozen"
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_peaks.json
new file mode 100644
index 0000000000..ed6e398e29
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_peaks.json
@@ -0,0 +1,118 @@
+{
+  "carvers": "#minecraft:in_biome/frozen_peaks",
+  "downfall": 0.9,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.frozen_peaks"
+    },
+    "sky_color": 8756735,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/frozen_peaks",
+    "#minecraft:lakes/in_biome/frozen_peaks",
+    "#minecraft:local_modifications/in_biome/frozen_peaks",
+    "#minecraft:underground_structures/in_biome/frozen_peaks",
+    "#minecraft:surface_structures/in_biome/frozen_peaks",
+    "#minecraft:strongholds/in_biome/frozen_peaks",
+    "#minecraft:underground_ores/in_biome/frozen_peaks",
+    "#minecraft:underground_decoration/in_biome/frozen_peaks",
+    "#minecraft:fluid_springs/in_biome/frozen_peaks",
+    "#minecraft:vegetal_decoration/in_biome/frozen_peaks",
+    "#minecraft:top_layer_modification/in_biome/frozen_peaks"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:goat",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": -0.7
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_river.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_river.json
new file mode 100644
index 0000000000..71c419bdc1
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/frozen_river.json
@@ -0,0 +1,125 @@
+{
+  "carvers": "#minecraft:in_biome/frozen_river",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8364543,
+    "water_color": 3750089,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/frozen_river",
+    "#minecraft:lakes/in_biome/frozen_river",
+    "#minecraft:local_modifications/in_biome/frozen_river",
+    "#minecraft:underground_structures/in_biome/frozen_river",
+    "#minecraft:surface_structures/in_biome/frozen_river",
+    "#minecraft:strongholds/in_biome/frozen_river",
+    "#minecraft:underground_ores/in_biome/frozen_river",
+    "#minecraft:underground_decoration/in_biome/frozen_river",
+    "#minecraft:fluid_springs/in_biome/frozen_river",
+    "#minecraft:vegetal_decoration/in_biome/frozen_river",
+    "#minecraft:top_layer_modification/in_biome/frozen_river"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 1
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:salmon",
+        "maxCount": 5,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 2
+      }
+    ]
+  },
+  "temperature": 0.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/grove.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/grove.json
new file mode 100644
index 0000000000..28a1e58e57
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/grove.json
@@ -0,0 +1,130 @@
+{
+  "carvers": "#minecraft:in_biome/grove",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.grove"
+    },
+    "sky_color": 8495359,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/grove",
+    "#minecraft:lakes/in_biome/grove",
+    "#minecraft:local_modifications/in_biome/grove",
+    "#minecraft:underground_structures/in_biome/grove",
+    "#minecraft:surface_structures/in_biome/grove",
+    "#minecraft:strongholds/in_biome/grove",
+    "#minecraft:underground_ores/in_biome/grove",
+    "#minecraft:underground_decoration/in_biome/grove",
+    "#minecraft:fluid_springs/in_biome/grove",
+    "#minecraft:vegetal_decoration/in_biome/grove",
+    "#minecraft:top_layer_modification/in_biome/grove"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:fox",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 4
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": -0.2
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/ice_spikes.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/ice_spikes.json
new file mode 100644
index 0000000000..98a42c1aec
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/ice_spikes.json
@@ -0,0 +1,125 @@
+{
+  "carvers": "#minecraft:in_biome/ice_spikes",
+  "creature_spawn_probability": 0.07,
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8364543,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/ice_spikes",
+    "#minecraft:lakes/in_biome/ice_spikes",
+    "#minecraft:local_modifications/in_biome/ice_spikes",
+    "#minecraft:underground_structures/in_biome/ice_spikes",
+    "#minecraft:surface_structures/in_biome/ice_spikes",
+    "#minecraft:strongholds/in_biome/ice_spikes",
+    "#minecraft:underground_ores/in_biome/ice_spikes",
+    "#minecraft:underground_decoration/in_biome/ice_spikes",
+    "#minecraft:fluid_springs/in_biome/ice_spikes",
+    "#minecraft:vegetal_decoration/in_biome/ice_spikes",
+    "#minecraft:top_layer_modification/in_biome/ice_spikes"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:polar_bear",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 20
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:stray",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 80
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/jagged_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/jagged_peaks.json
new file mode 100644
index 0000000000..47ad69df5d
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/jagged_peaks.json
@@ -0,0 +1,118 @@
+{
+  "carvers": "#minecraft:in_biome/jagged_peaks",
+  "downfall": 0.9,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.jagged_peaks"
+    },
+    "sky_color": 8756735,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/jagged_peaks",
+    "#minecraft:lakes/in_biome/jagged_peaks",
+    "#minecraft:local_modifications/in_biome/jagged_peaks",
+    "#minecraft:underground_structures/in_biome/jagged_peaks",
+    "#minecraft:surface_structures/in_biome/jagged_peaks",
+    "#minecraft:strongholds/in_biome/jagged_peaks",
+    "#minecraft:underground_ores/in_biome/jagged_peaks",
+    "#minecraft:underground_decoration/in_biome/jagged_peaks",
+    "#minecraft:fluid_springs/in_biome/jagged_peaks",
+    "#minecraft:vegetal_decoration/in_biome/jagged_peaks",
+    "#minecraft:top_layer_modification/in_biome/jagged_peaks"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:goat",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": -0.7
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/jungle.json
new file mode 100644
index 0000000000..05d440dab9
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/jungle.json
@@ -0,0 +1,160 @@
+{
+  "carvers": "#minecraft:in_biome/jungle",
+  "downfall": 0.9,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.jungle"
+    },
+    "sky_color": 7842047,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/jungle",
+    "#minecraft:lakes/in_biome/jungle",
+    "#minecraft:local_modifications/in_biome/jungle",
+    "#minecraft:underground_structures/in_biome/jungle",
+    "#minecraft:surface_structures/in_biome/jungle",
+    "#minecraft:strongholds/in_biome/jungle",
+    "#minecraft:underground_ores/in_biome/jungle",
+    "#minecraft:underground_decoration/in_biome/jungle",
+    "#minecraft:fluid_springs/in_biome/jungle",
+    "#minecraft:vegetal_decoration/in_biome/jungle",
+    "#minecraft:top_layer_modification/in_biome/jungle"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:parrot",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 40
+      },
+      {
+        "type": "minecraft:panda",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:ocelot",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 2
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.95
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/lukewarm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/lukewarm_ocean.json
new file mode 100644
index 0000000000..1c66f6b775
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/lukewarm_ocean.json
@@ -0,0 +1,143 @@
+{
+  "carvers": "#minecraft:in_biome/lukewarm_ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4566514,
+    "water_fog_color": 267827
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/lukewarm_ocean",
+    "#minecraft:lakes/in_biome/lukewarm_ocean",
+    "#minecraft:local_modifications/in_biome/lukewarm_ocean",
+    "#minecraft:underground_structures/in_biome/lukewarm_ocean",
+    "#minecraft:surface_structures/in_biome/lukewarm_ocean",
+    "#minecraft:strongholds/in_biome/lukewarm_ocean",
+    "#minecraft:underground_ores/in_biome/lukewarm_ocean",
+    "#minecraft:underground_decoration/in_biome/lukewarm_ocean",
+    "#minecraft:fluid_springs/in_biome/lukewarm_ocean",
+    "#minecraft:vegetal_decoration/in_biome/lukewarm_ocean",
+    "#minecraft:top_layer_modification/in_biome/lukewarm_ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:cod",
+        "maxCount": 6,
+        "minCount": 3,
+        "weight": 15
+      },
+      {
+        "type": "minecraft:pufferfish",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:tropical_fish",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 25
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:dolphin",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 2
+      }
+    ]
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/lush_caves.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/lush_caves.json
new file mode 100644
index 0000000000..5fde3bb622
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/lush_caves.json
@@ -0,0 +1,125 @@
+{
+  "carvers": "#minecraft:in_biome/lush_caves",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.lush_caves"
+    },
+    "sky_color": 8103167,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/lush_caves",
+    "#minecraft:lakes/in_biome/lush_caves",
+    "#minecraft:local_modifications/in_biome/lush_caves",
+    "#minecraft:underground_structures/in_biome/lush_caves",
+    "#minecraft:surface_structures/in_biome/lush_caves",
+    "#minecraft:strongholds/in_biome/lush_caves",
+    "#minecraft:underground_ores/in_biome/lush_caves",
+    "#minecraft:underground_decoration/in_biome/lush_caves",
+    "#minecraft:fluid_springs/in_biome/lush_caves",
+    "#minecraft:vegetal_decoration/in_biome/lush_caves",
+    "#minecraft:top_layer_modification/in_biome/lush_caves"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [
+      {
+        "type": "minecraft:axolotl",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:tropical_fish",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 25
+      }
+    ],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/mangrove_swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/mangrove_swamp.json
new file mode 100644
index 0000000000..2d292829c8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/mangrove_swamp.json
@@ -0,0 +1,139 @@
+{
+  "carvers": "#minecraft:in_biome/mangrove_swamp",
+  "downfall": 0.9,
+  "effects": {
+    "fog_color": 12638463,
+    "foliage_color": 9285927,
+    "grass_color_modifier": "swamp",
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.swamp"
+    },
+    "sky_color": 7907327,
+    "water_color": 3832426,
+    "water_fog_color": 5077600
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/mangrove_swamp",
+    "#minecraft:lakes/in_biome/mangrove_swamp",
+    "#minecraft:local_modifications/in_biome/mangrove_swamp",
+    "#minecraft:underground_structures/in_biome/mangrove_swamp",
+    "#minecraft:surface_structures/in_biome/mangrove_swamp",
+    "#minecraft:strongholds/in_biome/mangrove_swamp",
+    "#minecraft:underground_ores/in_biome/mangrove_swamp",
+    "#minecraft:underground_decoration/in_biome/mangrove_swamp",
+    "#minecraft:fluid_springs/in_biome/mangrove_swamp",
+    "#minecraft:vegetal_decoration/in_biome/mangrove_swamp",
+    "#minecraft:top_layer_modification/in_biome/mangrove_swamp"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:frog",
+        "maxCount": 5,
+        "minCount": 2,
+        "weight": 10
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 70
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:bogged",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 30
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:tropical_fish",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 25
+      }
+    ],
+    "water_creature": []
+  },
+  "temperature": 0.8
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/meadow.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/meadow.json
new file mode 100644
index 0000000000..5faea74e98
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/meadow.json
@@ -0,0 +1,130 @@
+{
+  "carvers": "#minecraft:in_biome/meadow",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.meadow"
+    },
+    "sky_color": 8103167,
+    "water_color": 937679,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/meadow",
+    "#minecraft:lakes/in_biome/meadow",
+    "#minecraft:local_modifications/in_biome/meadow",
+    "#minecraft:underground_structures/in_biome/meadow",
+    "#minecraft:surface_structures/in_biome/meadow",
+    "#minecraft:strongholds/in_biome/meadow",
+    "#minecraft:underground_ores/in_biome/meadow",
+    "#minecraft:underground_decoration/in_biome/meadow",
+    "#minecraft:fluid_springs/in_biome/meadow",
+    "#minecraft:vegetal_decoration/in_biome/meadow",
+    "#minecraft:top_layer_modification/in_biome/meadow"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:donkey",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 6,
+        "minCount": 2,
+        "weight": 2
+      },
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 2
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/mushroom_fields.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/mushroom_fields.json
new file mode 100644
index 0000000000..9415d1caea
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/mushroom_fields.json
@@ -0,0 +1,63 @@
+{
+  "carvers": "#minecraft:in_biome/mushroom_fields",
+  "downfall": 1.0,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 7842047,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/mushroom_fields",
+    "#minecraft:lakes/in_biome/mushroom_fields",
+    "#minecraft:local_modifications/in_biome/mushroom_fields",
+    "#minecraft:underground_structures/in_biome/mushroom_fields",
+    "#minecraft:surface_structures/in_biome/mushroom_fields",
+    "#minecraft:strongholds/in_biome/mushroom_fields",
+    "#minecraft:underground_ores/in_biome/mushroom_fields",
+    "#minecraft:underground_decoration/in_biome/mushroom_fields",
+    "#minecraft:fluid_springs/in_biome/mushroom_fields",
+    "#minecraft:vegetal_decoration/in_biome/mushroom_fields",
+    "#minecraft:top_layer_modification/in_biome/mushroom_fields"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:mooshroom",
+        "maxCount": 8,
+        "minCount": 4,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.9
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/nether_wastes.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/nether_wastes.json
new file mode 100644
index 0000000000..eae23065cd
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/nether_wastes.json
@@ -0,0 +1,91 @@
+{
+  "carvers": "#minecraft:in_biome/nether_wastes",
+  "downfall": 0.0,
+  "effects": {
+    "additions_sound": {
+      "sound": "minecraft:ambient.nether_wastes.additions",
+      "tick_chance": 0.0111
+    },
+    "ambient_sound": "minecraft:ambient.nether_wastes.loop",
+    "fog_color": 3344392,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.nether_wastes.mood",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.nether.nether_wastes"
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/nether_wastes",
+    "#minecraft:lakes/in_biome/nether_wastes",
+    "#minecraft:local_modifications/in_biome/nether_wastes",
+    "#minecraft:underground_structures/in_biome/nether_wastes",
+    "#minecraft:surface_structures/in_biome/nether_wastes",
+    "#minecraft:strongholds/in_biome/nether_wastes",
+    "#minecraft:underground_ores/in_biome/nether_wastes",
+    "#minecraft:underground_decoration/in_biome/nether_wastes",
+    "#minecraft:fluid_springs/in_biome/nether_wastes",
+    "#minecraft:vegetal_decoration/in_biome/nether_wastes",
+    "#minecraft:top_layer_modification/in_biome/nether_wastes"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:strider",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 60
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:ghast",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 50
+      },
+      {
+        "type": "minecraft:zombified_piglin",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:magma_cube",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 2
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:piglin",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 15
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/ocean.json
new file mode 100644
index 0000000000..71dc54b3ce
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/ocean.json
@@ -0,0 +1,131 @@
+{
+  "carvers": "#minecraft:in_biome/ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/ocean",
+    "#minecraft:lakes/in_biome/ocean",
+    "#minecraft:local_modifications/in_biome/ocean",
+    "#minecraft:underground_structures/in_biome/ocean",
+    "#minecraft:surface_structures/in_biome/ocean",
+    "#minecraft:strongholds/in_biome/ocean",
+    "#minecraft:underground_ores/in_biome/ocean",
+    "#minecraft:underground_decoration/in_biome/ocean",
+    "#minecraft:fluid_springs/in_biome/ocean",
+    "#minecraft:vegetal_decoration/in_biome/ocean",
+    "#minecraft:top_layer_modification/in_biome/ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:cod",
+        "maxCount": 6,
+        "minCount": 3,
+        "weight": 10
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:dolphin",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      }
+    ]
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_birch_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_birch_forest.json
new file mode 100644
index 0000000000..a81011ea8e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_birch_forest.json
@@ -0,0 +1,136 @@
+{
+  "carvers": "#minecraft:in_biome/old_growth_birch_forest",
+  "downfall": 0.6,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.forest"
+    },
+    "sky_color": 8037887,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/old_growth_birch_forest",
+    "#minecraft:lakes/in_biome/old_growth_birch_forest",
+    "#minecraft:local_modifications/in_biome/old_growth_birch_forest",
+    "#minecraft:underground_structures/in_biome/old_growth_birch_forest",
+    "#minecraft:surface_structures/in_biome/old_growth_birch_forest",
+    "#minecraft:strongholds/in_biome/old_growth_birch_forest",
+    "#minecraft:underground_ores/in_biome/old_growth_birch_forest",
+    "#minecraft:underground_decoration/in_biome/old_growth_birch_forest",
+    "#minecraft:fluid_springs/in_biome/old_growth_birch_forest",
+    "#minecraft:vegetal_decoration/in_biome/old_growth_birch_forest",
+    "#minecraft:top_layer_modification/in_biome/old_growth_birch_forest"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.6
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_pine_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_pine_taiga.json
new file mode 100644
index 0000000000..4ea3533a1b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_pine_taiga.json
@@ -0,0 +1,154 @@
+{
+  "carvers": "#minecraft:in_biome/old_growth_pine_taiga",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.old_growth_taiga"
+    },
+    "sky_color": 8168447,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/old_growth_pine_taiga",
+    "#minecraft:lakes/in_biome/old_growth_pine_taiga",
+    "#minecraft:local_modifications/in_biome/old_growth_pine_taiga",
+    "#minecraft:underground_structures/in_biome/old_growth_pine_taiga",
+    "#minecraft:surface_structures/in_biome/old_growth_pine_taiga",
+    "#minecraft:strongholds/in_biome/old_growth_pine_taiga",
+    "#minecraft:underground_ores/in_biome/old_growth_pine_taiga",
+    "#minecraft:underground_decoration/in_biome/old_growth_pine_taiga",
+    "#minecraft:fluid_springs/in_biome/old_growth_pine_taiga",
+    "#minecraft:vegetal_decoration/in_biome/old_growth_pine_taiga",
+    "#minecraft:top_layer_modification/in_biome/old_growth_pine_taiga"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 4
+      },
+      {
+        "type": "minecraft:fox",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 25
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.3
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json
new file mode 100644
index 0000000000..3f104be574
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json
@@ -0,0 +1,154 @@
+{
+  "carvers": "#minecraft:in_biome/old_growth_spruce_taiga",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.old_growth_taiga"
+    },
+    "sky_color": 8233983,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/old_growth_spruce_taiga",
+    "#minecraft:lakes/in_biome/old_growth_spruce_taiga",
+    "#minecraft:local_modifications/in_biome/old_growth_spruce_taiga",
+    "#minecraft:underground_structures/in_biome/old_growth_spruce_taiga",
+    "#minecraft:surface_structures/in_biome/old_growth_spruce_taiga",
+    "#minecraft:strongholds/in_biome/old_growth_spruce_taiga",
+    "#minecraft:underground_ores/in_biome/old_growth_spruce_taiga",
+    "#minecraft:underground_decoration/in_biome/old_growth_spruce_taiga",
+    "#minecraft:fluid_springs/in_biome/old_growth_spruce_taiga",
+    "#minecraft:vegetal_decoration/in_biome/old_growth_spruce_taiga",
+    "#minecraft:top_layer_modification/in_biome/old_growth_spruce_taiga"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 4
+      },
+      {
+        "type": "minecraft:fox",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.25
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/plains.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/plains.json
new file mode 100644
index 0000000000..5fbf9fe225
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/plains.json
@@ -0,0 +1,142 @@
+{
+  "carvers": "#minecraft:in_biome/plains",
+  "downfall": 0.4,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 7907327,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/plains",
+    "#minecraft:lakes/in_biome/plains",
+    "#minecraft:local_modifications/in_biome/plains",
+    "#minecraft:underground_structures/in_biome/plains",
+    "#minecraft:surface_structures/in_biome/plains",
+    "#minecraft:strongholds/in_biome/plains",
+    "#minecraft:underground_ores/in_biome/plains",
+    "#minecraft:underground_decoration/in_biome/plains",
+    "#minecraft:fluid_springs/in_biome/plains",
+    "#minecraft:vegetal_decoration/in_biome/plains",
+    "#minecraft:top_layer_modification/in_biome/plains"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:horse",
+        "maxCount": 6,
+        "minCount": 2,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:donkey",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 1
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.8
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/river.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/river.json
new file mode 100644
index 0000000000..4305fb1d5e
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/river.json
@@ -0,0 +1,125 @@
+{
+  "carvers": "#minecraft:in_biome/river",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/river",
+    "#minecraft:lakes/in_biome/river",
+    "#minecraft:local_modifications/in_biome/river",
+    "#minecraft:underground_structures/in_biome/river",
+    "#minecraft:surface_structures/in_biome/river",
+    "#minecraft:strongholds/in_biome/river",
+    "#minecraft:underground_ores/in_biome/river",
+    "#minecraft:underground_decoration/in_biome/river",
+    "#minecraft:fluid_springs/in_biome/river",
+    "#minecraft:vegetal_decoration/in_biome/river",
+    "#minecraft:top_layer_modification/in_biome/river"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 100
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:salmon",
+        "maxCount": 5,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 2
+      }
+    ]
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/savanna.json
new file mode 100644
index 0000000000..2d0d1e98af
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/savanna.json
@@ -0,0 +1,148 @@
+{
+  "carvers": "#minecraft:in_biome/savanna",
+  "downfall": 0.0,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/savanna",
+    "#minecraft:lakes/in_biome/savanna",
+    "#minecraft:local_modifications/in_biome/savanna",
+    "#minecraft:underground_structures/in_biome/savanna",
+    "#minecraft:surface_structures/in_biome/savanna",
+    "#minecraft:strongholds/in_biome/savanna",
+    "#minecraft:underground_ores/in_biome/savanna",
+    "#minecraft:underground_decoration/in_biome/savanna",
+    "#minecraft:fluid_springs/in_biome/savanna",
+    "#minecraft:vegetal_decoration/in_biome/savanna",
+    "#minecraft:top_layer_modification/in_biome/savanna"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:horse",
+        "maxCount": 6,
+        "minCount": 2,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:donkey",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:armadillo",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 10
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/savanna_plateau.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/savanna_plateau.json
new file mode 100644
index 0000000000..038cf71050
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/savanna_plateau.json
@@ -0,0 +1,160 @@
+{
+  "carvers": "#minecraft:in_biome/savanna_plateau",
+  "downfall": 0.0,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/savanna_plateau",
+    "#minecraft:lakes/in_biome/savanna_plateau",
+    "#minecraft:local_modifications/in_biome/savanna_plateau",
+    "#minecraft:underground_structures/in_biome/savanna_plateau",
+    "#minecraft:surface_structures/in_biome/savanna_plateau",
+    "#minecraft:strongholds/in_biome/savanna_plateau",
+    "#minecraft:underground_ores/in_biome/savanna_plateau",
+    "#minecraft:underground_decoration/in_biome/savanna_plateau",
+    "#minecraft:fluid_springs/in_biome/savanna_plateau",
+    "#minecraft:vegetal_decoration/in_biome/savanna_plateau",
+    "#minecraft:top_layer_modification/in_biome/savanna_plateau"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:horse",
+        "maxCount": 6,
+        "minCount": 2,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:donkey",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:armadillo",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:llama",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 8,
+        "minCount": 4,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/small_end_islands.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/small_end_islands.json
new file mode 100644
index 0000000000..c6e6c59010
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/small_end_islands.json
@@ -0,0 +1,49 @@
+{
+  "carvers": "#minecraft:in_biome/small_end_islands",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 10518688,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 0,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/small_end_islands",
+    "#minecraft:lakes/in_biome/small_end_islands",
+    "#minecraft:local_modifications/in_biome/small_end_islands",
+    "#minecraft:underground_structures/in_biome/small_end_islands",
+    "#minecraft:surface_structures/in_biome/small_end_islands",
+    "#minecraft:strongholds/in_biome/small_end_islands",
+    "#minecraft:underground_ores/in_biome/small_end_islands",
+    "#minecraft:underground_decoration/in_biome/small_end_islands",
+    "#minecraft:fluid_springs/in_biome/small_end_islands",
+    "#minecraft:vegetal_decoration/in_biome/small_end_islands",
+    "#minecraft:top_layer_modification/in_biome/small_end_islands"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_beach.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_beach.json
new file mode 100644
index 0000000000..b8bd1fb953
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_beach.json
@@ -0,0 +1,105 @@
+{
+  "carvers": "#minecraft:in_biome/snowy_beach",
+  "downfall": 0.3,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8364543,
+    "water_color": 4020182,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/snowy_beach",
+    "#minecraft:lakes/in_biome/snowy_beach",
+    "#minecraft:local_modifications/in_biome/snowy_beach",
+    "#minecraft:underground_structures/in_biome/snowy_beach",
+    "#minecraft:surface_structures/in_biome/snowy_beach",
+    "#minecraft:strongholds/in_biome/snowy_beach",
+    "#minecraft:underground_ores/in_biome/snowy_beach",
+    "#minecraft:underground_decoration/in_biome/snowy_beach",
+    "#minecraft:fluid_springs/in_biome/snowy_beach",
+    "#minecraft:vegetal_decoration/in_biome/snowy_beach",
+    "#minecraft:top_layer_modification/in_biome/snowy_beach"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.05
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_plains.json
new file mode 100644
index 0000000000..8edcb61038
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_plains.json
@@ -0,0 +1,125 @@
+{
+  "carvers": "#minecraft:in_biome/snowy_plains",
+  "creature_spawn_probability": 0.07,
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8364543,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/snowy_plains",
+    "#minecraft:lakes/in_biome/snowy_plains",
+    "#minecraft:local_modifications/in_biome/snowy_plains",
+    "#minecraft:underground_structures/in_biome/snowy_plains",
+    "#minecraft:surface_structures/in_biome/snowy_plains",
+    "#minecraft:strongholds/in_biome/snowy_plains",
+    "#minecraft:underground_ores/in_biome/snowy_plains",
+    "#minecraft:underground_decoration/in_biome/snowy_plains",
+    "#minecraft:fluid_springs/in_biome/snowy_plains",
+    "#minecraft:vegetal_decoration/in_biome/snowy_plains",
+    "#minecraft:top_layer_modification/in_biome/snowy_plains"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:polar_bear",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 1
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 20
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:stray",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 80
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_slopes.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_slopes.json
new file mode 100644
index 0000000000..f2abc4768b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_slopes.json
@@ -0,0 +1,124 @@
+{
+  "carvers": "#minecraft:in_biome/snowy_slopes",
+  "downfall": 0.9,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.snowy_slopes"
+    },
+    "sky_color": 8560639,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/snowy_slopes",
+    "#minecraft:lakes/in_biome/snowy_slopes",
+    "#minecraft:local_modifications/in_biome/snowy_slopes",
+    "#minecraft:underground_structures/in_biome/snowy_slopes",
+    "#minecraft:surface_structures/in_biome/snowy_slopes",
+    "#minecraft:strongholds/in_biome/snowy_slopes",
+    "#minecraft:underground_ores/in_biome/snowy_slopes",
+    "#minecraft:underground_decoration/in_biome/snowy_slopes",
+    "#minecraft:fluid_springs/in_biome/snowy_slopes",
+    "#minecraft:vegetal_decoration/in_biome/snowy_slopes",
+    "#minecraft:top_layer_modification/in_biome/snowy_slopes"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 4
+      },
+      {
+        "type": "minecraft:goat",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": -0.3
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_taiga.json
new file mode 100644
index 0000000000..f38f47b3c1
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/snowy_taiga.json
@@ -0,0 +1,148 @@
+{
+  "carvers": "#minecraft:in_biome/snowy_taiga",
+  "downfall": 0.4,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8625919,
+    "water_color": 4020182,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/snowy_taiga",
+    "#minecraft:lakes/in_biome/snowy_taiga",
+    "#minecraft:local_modifications/in_biome/snowy_taiga",
+    "#minecraft:underground_structures/in_biome/snowy_taiga",
+    "#minecraft:surface_structures/in_biome/snowy_taiga",
+    "#minecraft:strongholds/in_biome/snowy_taiga",
+    "#minecraft:underground_ores/in_biome/snowy_taiga",
+    "#minecraft:underground_decoration/in_biome/snowy_taiga",
+    "#minecraft:fluid_springs/in_biome/snowy_taiga",
+    "#minecraft:vegetal_decoration/in_biome/snowy_taiga",
+    "#minecraft:top_layer_modification/in_biome/snowy_taiga"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 4
+      },
+      {
+        "type": "minecraft:fox",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": -0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/soul_sand_valley.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/soul_sand_valley.json
new file mode 100644
index 0000000000..66281471e7
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/soul_sand_valley.json
@@ -0,0 +1,102 @@
+{
+  "carvers": "#minecraft:in_biome/soul_sand_valley",
+  "downfall": 0.0,
+  "effects": {
+    "additions_sound": {
+      "sound": "minecraft:ambient.soul_sand_valley.additions",
+      "tick_chance": 0.0111
+    },
+    "ambient_sound": "minecraft:ambient.soul_sand_valley.loop",
+    "fog_color": 1787717,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.soul_sand_valley.mood",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.nether.soul_sand_valley"
+    },
+    "particle": {
+      "options": {
+        "type": "minecraft:ash"
+      },
+      "probability": 0.00625
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/soul_sand_valley",
+    "#minecraft:lakes/in_biome/soul_sand_valley",
+    "#minecraft:local_modifications/in_biome/soul_sand_valley",
+    "#minecraft:underground_structures/in_biome/soul_sand_valley",
+    "#minecraft:surface_structures/in_biome/soul_sand_valley",
+    "#minecraft:strongholds/in_biome/soul_sand_valley",
+    "#minecraft:underground_ores/in_biome/soul_sand_valley",
+    "#minecraft:underground_decoration/in_biome/soul_sand_valley",
+    "#minecraft:fluid_springs/in_biome/soul_sand_valley",
+    "#minecraft:vegetal_decoration/in_biome/soul_sand_valley",
+    "#minecraft:top_layer_modification/in_biome/soul_sand_valley"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {
+    "minecraft:enderman": {
+      "charge": 0.7,
+      "energy_budget": 0.15
+    },
+    "minecraft:ghast": {
+      "charge": 0.7,
+      "energy_budget": 0.15
+    },
+    "minecraft:skeleton": {
+      "charge": 0.7,
+      "energy_budget": 0.15
+    },
+    "minecraft:strider": {
+      "charge": 0.7,
+      "energy_budget": 0.15
+    }
+  },
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:strider",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 60
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 5,
+        "minCount": 5,
+        "weight": 20
+      },
+      {
+        "type": "minecraft:ghast",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 50
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 1
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/sparse_jungle.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/sparse_jungle.json
new file mode 100644
index 0000000000..dfc931ddb6
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/sparse_jungle.json
@@ -0,0 +1,148 @@
+{
+  "carvers": "#minecraft:in_biome/sparse_jungle",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.sparse_jungle"
+    },
+    "sky_color": 7842047,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/sparse_jungle",
+    "#minecraft:lakes/in_biome/sparse_jungle",
+    "#minecraft:local_modifications/in_biome/sparse_jungle",
+    "#minecraft:underground_structures/in_biome/sparse_jungle",
+    "#minecraft:surface_structures/in_biome/sparse_jungle",
+    "#minecraft:strongholds/in_biome/sparse_jungle",
+    "#minecraft:underground_ores/in_biome/sparse_jungle",
+    "#minecraft:underground_decoration/in_biome/sparse_jungle",
+    "#minecraft:fluid_springs/in_biome/sparse_jungle",
+    "#minecraft:vegetal_decoration/in_biome/sparse_jungle",
+    "#minecraft:top_layer_modification/in_biome/sparse_jungle"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.95
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/stony_peaks.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/stony_peaks.json
new file mode 100644
index 0000000000..cb24d605e2
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/stony_peaks.json
@@ -0,0 +1,111 @@
+{
+  "carvers": "#minecraft:in_biome/stony_peaks",
+  "downfall": 0.3,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.stony_peaks"
+    },
+    "sky_color": 7776511,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/stony_peaks",
+    "#minecraft:lakes/in_biome/stony_peaks",
+    "#minecraft:local_modifications/in_biome/stony_peaks",
+    "#minecraft:underground_structures/in_biome/stony_peaks",
+    "#minecraft:surface_structures/in_biome/stony_peaks",
+    "#minecraft:strongholds/in_biome/stony_peaks",
+    "#minecraft:underground_ores/in_biome/stony_peaks",
+    "#minecraft:underground_decoration/in_biome/stony_peaks",
+    "#minecraft:fluid_springs/in_biome/stony_peaks",
+    "#minecraft:vegetal_decoration/in_biome/stony_peaks",
+    "#minecraft:top_layer_modification/in_biome/stony_peaks"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 1.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/stony_shore.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/stony_shore.json
new file mode 100644
index 0000000000..d6fd005fef
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/stony_shore.json
@@ -0,0 +1,105 @@
+{
+  "carvers": "#minecraft:in_biome/stony_shore",
+  "downfall": 0.3,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8233727,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/stony_shore",
+    "#minecraft:lakes/in_biome/stony_shore",
+    "#minecraft:local_modifications/in_biome/stony_shore",
+    "#minecraft:underground_structures/in_biome/stony_shore",
+    "#minecraft:surface_structures/in_biome/stony_shore",
+    "#minecraft:strongholds/in_biome/stony_shore",
+    "#minecraft:underground_ores/in_biome/stony_shore",
+    "#minecraft:underground_decoration/in_biome/stony_shore",
+    "#minecraft:fluid_springs/in_biome/stony_shore",
+    "#minecraft:vegetal_decoration/in_biome/stony_shore",
+    "#minecraft:top_layer_modification/in_biome/stony_shore"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.2
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/sunflower_plains.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/sunflower_plains.json
new file mode 100644
index 0000000000..dadf2f66a4
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/sunflower_plains.json
@@ -0,0 +1,142 @@
+{
+  "carvers": "#minecraft:in_biome/sunflower_plains",
+  "downfall": 0.4,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 7907327,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/sunflower_plains",
+    "#minecraft:lakes/in_biome/sunflower_plains",
+    "#minecraft:local_modifications/in_biome/sunflower_plains",
+    "#minecraft:underground_structures/in_biome/sunflower_plains",
+    "#minecraft:surface_structures/in_biome/sunflower_plains",
+    "#minecraft:strongholds/in_biome/sunflower_plains",
+    "#minecraft:underground_ores/in_biome/sunflower_plains",
+    "#minecraft:underground_decoration/in_biome/sunflower_plains",
+    "#minecraft:fluid_springs/in_biome/sunflower_plains",
+    "#minecraft:vegetal_decoration/in_biome/sunflower_plains",
+    "#minecraft:top_layer_modification/in_biome/sunflower_plains"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:horse",
+        "maxCount": 6,
+        "minCount": 2,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:donkey",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 1
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.8
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/swamp.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/swamp.json
new file mode 100644
index 0000000000..9e81f2148d
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/swamp.json
@@ -0,0 +1,156 @@
+{
+  "carvers": "#minecraft:in_biome/swamp",
+  "downfall": 0.9,
+  "effects": {
+    "fog_color": 12638463,
+    "foliage_color": 6975545,
+    "grass_color_modifier": "swamp",
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.swamp"
+    },
+    "sky_color": 7907327,
+    "water_color": 6388580,
+    "water_fog_color": 2302743
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/swamp",
+    "#minecraft:lakes/in_biome/swamp",
+    "#minecraft:local_modifications/in_biome/swamp",
+    "#minecraft:underground_structures/in_biome/swamp",
+    "#minecraft:surface_structures/in_biome/swamp",
+    "#minecraft:strongholds/in_biome/swamp",
+    "#minecraft:underground_ores/in_biome/swamp",
+    "#minecraft:underground_decoration/in_biome/swamp",
+    "#minecraft:fluid_springs/in_biome/swamp",
+    "#minecraft:vegetal_decoration/in_biome/swamp",
+    "#minecraft:top_layer_modification/in_biome/swamp"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:frog",
+        "maxCount": 5,
+        "minCount": 2,
+        "weight": 10
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 70
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:bogged",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 30
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.8
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/taiga.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/taiga.json
new file mode 100644
index 0000000000..8b9be8bf50
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/taiga.json
@@ -0,0 +1,148 @@
+{
+  "carvers": "#minecraft:in_biome/taiga",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8233983,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/taiga",
+    "#minecraft:lakes/in_biome/taiga",
+    "#minecraft:local_modifications/in_biome/taiga",
+    "#minecraft:underground_structures/in_biome/taiga",
+    "#minecraft:surface_structures/in_biome/taiga",
+    "#minecraft:strongholds/in_biome/taiga",
+    "#minecraft:underground_ores/in_biome/taiga",
+    "#minecraft:underground_decoration/in_biome/taiga",
+    "#minecraft:fluid_springs/in_biome/taiga",
+    "#minecraft:vegetal_decoration/in_biome/taiga",
+    "#minecraft:top_layer_modification/in_biome/taiga"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:rabbit",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 4
+      },
+      {
+        "type": "minecraft:fox",
+        "maxCount": 4,
+        "minCount": 2,
+        "weight": 8
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.25
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/the_end.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/the_end.json
new file mode 100644
index 0000000000..b0890881e0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/the_end.json
@@ -0,0 +1,49 @@
+{
+  "carvers": "#minecraft:in_biome/the_end",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 10518688,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 0,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/the_end",
+    "#minecraft:lakes/in_biome/the_end",
+    "#minecraft:local_modifications/in_biome/the_end",
+    "#minecraft:underground_structures/in_biome/the_end",
+    "#minecraft:surface_structures/in_biome/the_end",
+    "#minecraft:strongholds/in_biome/the_end",
+    "#minecraft:underground_ores/in_biome/the_end",
+    "#minecraft:underground_decoration/in_biome/the_end",
+    "#minecraft:fluid_springs/in_biome/the_end",
+    "#minecraft:vegetal_decoration/in_biome/the_end",
+    "#minecraft:top_layer_modification/in_biome/the_end"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/the_void.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/the_void.json
new file mode 100644
index 0000000000..911c9455ed
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/the_void.json
@@ -0,0 +1,42 @@
+{
+  "carvers": "#minecraft:in_biome/the_void",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/the_void",
+    "#minecraft:lakes/in_biome/the_void",
+    "#minecraft:local_modifications/in_biome/the_void",
+    "#minecraft:underground_structures/in_biome/the_void",
+    "#minecraft:surface_structures/in_biome/the_void",
+    "#minecraft:strongholds/in_biome/the_void",
+    "#minecraft:underground_ores/in_biome/the_void",
+    "#minecraft:underground_decoration/in_biome/the_void",
+    "#minecraft:fluid_springs/in_biome/the_void",
+    "#minecraft:vegetal_decoration/in_biome/the_void",
+    "#minecraft:top_layer_modification/in_biome/the_void"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/warm_ocean.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/warm_ocean.json
new file mode 100644
index 0000000000..6dc7f3f38b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/warm_ocean.json
@@ -0,0 +1,137 @@
+{
+  "carvers": "#minecraft:in_biome/warm_ocean",
+  "downfall": 0.5,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8103167,
+    "water_color": 4445678,
+    "water_fog_color": 270131
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/warm_ocean",
+    "#minecraft:lakes/in_biome/warm_ocean",
+    "#minecraft:local_modifications/in_biome/warm_ocean",
+    "#minecraft:underground_structures/in_biome/warm_ocean",
+    "#minecraft:surface_structures/in_biome/warm_ocean",
+    "#minecraft:strongholds/in_biome/warm_ocean",
+    "#minecraft:underground_ores/in_biome/warm_ocean",
+    "#minecraft:underground_decoration/in_biome/warm_ocean",
+    "#minecraft:fluid_springs/in_biome/warm_ocean",
+    "#minecraft:vegetal_decoration/in_biome/warm_ocean",
+    "#minecraft:top_layer_modification/in_biome/warm_ocean"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:drowned",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [
+      {
+        "type": "minecraft:pufferfish",
+        "maxCount": 3,
+        "minCount": 1,
+        "weight": 15
+      },
+      {
+        "type": "minecraft:tropical_fish",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 25
+      }
+    ],
+    "water_creature": [
+      {
+        "type": "minecraft:squid",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:dolphin",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 2
+      }
+    ]
+  },
+  "temperature": 0.5
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/warped_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/warped_forest.json
new file mode 100644
index 0000000000..4501611475
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/warped_forest.json
@@ -0,0 +1,78 @@
+{
+  "carvers": "#minecraft:in_biome/warped_forest",
+  "downfall": 0.0,
+  "effects": {
+    "additions_sound": {
+      "sound": "minecraft:ambient.warped_forest.additions",
+      "tick_chance": 0.0111
+    },
+    "ambient_sound": "minecraft:ambient.warped_forest.loop",
+    "fog_color": 1705242,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.warped_forest.mood",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.nether.warped_forest"
+    },
+    "particle": {
+      "options": {
+        "type": "minecraft:warped_spore"
+      },
+      "probability": 0.01428
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/warped_forest",
+    "#minecraft:lakes/in_biome/warped_forest",
+    "#minecraft:local_modifications/in_biome/warped_forest",
+    "#minecraft:underground_structures/in_biome/warped_forest",
+    "#minecraft:surface_structures/in_biome/warped_forest",
+    "#minecraft:strongholds/in_biome/warped_forest",
+    "#minecraft:underground_ores/in_biome/warped_forest",
+    "#minecraft:underground_decoration/in_biome/warped_forest",
+    "#minecraft:fluid_springs/in_biome/warped_forest",
+    "#minecraft:vegetal_decoration/in_biome/warped_forest",
+    "#minecraft:top_layer_modification/in_biome/warped_forest"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {
+    "minecraft:enderman": {
+      "charge": 1.0,
+      "energy_budget": 0.12
+    }
+  },
+  "spawners": {
+    "ambient": [],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:strider",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 60
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 1
+      }
+    ],
+    "underground_water_creature": [],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_forest.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_forest.json
new file mode 100644
index 0000000000..39602758d2
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_forest.json
@@ -0,0 +1,136 @@
+{
+  "carvers": "#minecraft:in_biome/windswept_forest",
+  "downfall": 0.3,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8233727,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/windswept_forest",
+    "#minecraft:lakes/in_biome/windswept_forest",
+    "#minecraft:local_modifications/in_biome/windswept_forest",
+    "#minecraft:underground_structures/in_biome/windswept_forest",
+    "#minecraft:surface_structures/in_biome/windswept_forest",
+    "#minecraft:strongholds/in_biome/windswept_forest",
+    "#minecraft:underground_ores/in_biome/windswept_forest",
+    "#minecraft:underground_decoration/in_biome/windswept_forest",
+    "#minecraft:fluid_springs/in_biome/windswept_forest",
+    "#minecraft:vegetal_decoration/in_biome/windswept_forest",
+    "#minecraft:top_layer_modification/in_biome/windswept_forest"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:llama",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 5
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.2
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_gravelly_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_gravelly_hills.json
new file mode 100644
index 0000000000..e8661edfd8
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_gravelly_hills.json
@@ -0,0 +1,136 @@
+{
+  "carvers": "#minecraft:in_biome/windswept_gravelly_hills",
+  "downfall": 0.3,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8233727,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/windswept_gravelly_hills",
+    "#minecraft:lakes/in_biome/windswept_gravelly_hills",
+    "#minecraft:local_modifications/in_biome/windswept_gravelly_hills",
+    "#minecraft:underground_structures/in_biome/windswept_gravelly_hills",
+    "#minecraft:surface_structures/in_biome/windswept_gravelly_hills",
+    "#minecraft:strongholds/in_biome/windswept_gravelly_hills",
+    "#minecraft:underground_ores/in_biome/windswept_gravelly_hills",
+    "#minecraft:underground_decoration/in_biome/windswept_gravelly_hills",
+    "#minecraft:fluid_springs/in_biome/windswept_gravelly_hills",
+    "#minecraft:vegetal_decoration/in_biome/windswept_gravelly_hills",
+    "#minecraft:top_layer_modification/in_biome/windswept_gravelly_hills"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:llama",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 5
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.2
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_hills.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_hills.json
new file mode 100644
index 0000000000..b98affa58b
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_hills.json
@@ -0,0 +1,136 @@
+{
+  "carvers": "#minecraft:in_biome/windswept_hills",
+  "downfall": 0.3,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 8233727,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/windswept_hills",
+    "#minecraft:lakes/in_biome/windswept_hills",
+    "#minecraft:local_modifications/in_biome/windswept_hills",
+    "#minecraft:underground_structures/in_biome/windswept_hills",
+    "#minecraft:surface_structures/in_biome/windswept_hills",
+    "#minecraft:strongholds/in_biome/windswept_hills",
+    "#minecraft:underground_ores/in_biome/windswept_hills",
+    "#minecraft:underground_decoration/in_biome/windswept_hills",
+    "#minecraft:fluid_springs/in_biome/windswept_hills",
+    "#minecraft:vegetal_decoration/in_biome/windswept_hills",
+    "#minecraft:top_layer_modification/in_biome/windswept_hills"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:llama",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 5
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.2
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_savanna.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_savanna.json
new file mode 100644
index 0000000000..a588d10545
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/windswept_savanna.json
@@ -0,0 +1,148 @@
+{
+  "carvers": "#minecraft:in_biome/windswept_savanna",
+  "downfall": 0.0,
+  "effects": {
+    "fog_color": 12638463,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/windswept_savanna",
+    "#minecraft:lakes/in_biome/windswept_savanna",
+    "#minecraft:local_modifications/in_biome/windswept_savanna",
+    "#minecraft:underground_structures/in_biome/windswept_savanna",
+    "#minecraft:surface_structures/in_biome/windswept_savanna",
+    "#minecraft:strongholds/in_biome/windswept_savanna",
+    "#minecraft:underground_ores/in_biome/windswept_savanna",
+    "#minecraft:underground_decoration/in_biome/windswept_savanna",
+    "#minecraft:fluid_springs/in_biome/windswept_savanna",
+    "#minecraft:vegetal_decoration/in_biome/windswept_savanna",
+    "#minecraft:top_layer_modification/in_biome/windswept_savanna"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:sheep",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 12
+      },
+      {
+        "type": "minecraft:pig",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:chicken",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:cow",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 8
+      },
+      {
+        "type": "minecraft:horse",
+        "maxCount": 6,
+        "minCount": 2,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:donkey",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 1
+      },
+      {
+        "type": "minecraft:armadillo",
+        "maxCount": 3,
+        "minCount": 2,
+        "weight": 10
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/wooded_badlands.json b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/wooded_badlands.json
new file mode 100644
index 0000000000..e87c8feec0
--- /dev/null
+++ b/pfb_biome_extensions/backport_57/data/minecraft/worldgen/biome/wooded_badlands.json
@@ -0,0 +1,127 @@
+{
+  "carvers": "#minecraft:in_biome/wooded_badlands",
+  "creature_spawn_probability": 0.04,
+  "downfall": 0.0,
+  "effects": {
+    "fog_color": 12638463,
+    "foliage_color": 10387789,
+    "grass_color": 9470285,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": {
+      "max_delay": 24000,
+      "min_delay": 12000,
+      "replace_current_music": false,
+      "sound": "minecraft:music.overworld.badlands"
+    },
+    "sky_color": 7254527,
+    "water_color": 4159204,
+    "water_fog_color": 329011
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/wooded_badlands",
+    "#minecraft:lakes/in_biome/wooded_badlands",
+    "#minecraft:local_modifications/in_biome/wooded_badlands",
+    "#minecraft:underground_structures/in_biome/wooded_badlands",
+    "#minecraft:surface_structures/in_biome/wooded_badlands",
+    "#minecraft:strongholds/in_biome/wooded_badlands",
+    "#minecraft:underground_ores/in_biome/wooded_badlands",
+    "#minecraft:underground_decoration/in_biome/wooded_badlands",
+    "#minecraft:fluid_springs/in_biome/wooded_badlands",
+    "#minecraft:vegetal_decoration/in_biome/wooded_badlands",
+    "#minecraft:top_layer_modification/in_biome/wooded_badlands"
+  ],
+  "has_precipitation": false,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [
+      {
+        "type": "minecraft:armadillo",
+        "maxCount": 2,
+        "minCount": 1,
+        "weight": 6
+      },
+      {
+        "type": "minecraft:wolf",
+        "maxCount": 8,
+        "minCount": 4,
+        "weight": 2
+      }
+    ],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 2.0
+}
diff --git a/pfb_biome_extensions/beet.yaml b/pfb_biome_extensions/beet.yaml
index 824e04fee6..0e1eb23ea1 100644
--- a/pfb_biome_extensions/beet.yaml
+++ b/pfb_biome_extensions/beet.yaml
@@ -1,7 +1,15 @@
 data_pack:
   load: .
   overlays:
+    - formats:
+        min_inclusive: 0
+        max_inclusive: 57
+      directory: backport_57
     - formats:
         min_inclusive: 0
         max_inclusive: 48
-      directory: overlay_48
+      directory: backport_48
+    - formats:
+        min_inclusive: 61
+        max_inclusive: 61
+      directory: since_61
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/badlands.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/badlands.json
index 160aee68e5..893d51e400 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/badlands.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/badlands.json
@@ -12,12 +12,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.badlands"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.badlands"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7254527,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/bamboo_jungle.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/bamboo_jungle.json
index ab3035d7e9..e7f1a262a6 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/bamboo_jungle.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/bamboo_jungle.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.bamboo_jungle"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.bamboo_jungle"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7842047,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/basalt_deltas.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/basalt_deltas.json
index de3db49d80..d08eb025fd 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/basalt_deltas.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/basalt_deltas.json
@@ -14,12 +14,18 @@
       "sound": "minecraft:ambient.basalt_deltas.mood",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.nether.basalt_deltas"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.nether.basalt_deltas"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "particle": {
       "options": {
         "type": "minecraft:white_ash"
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/beach.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/beach.json
index abb4eab79a..172f115cbd 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/beach.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/beach.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 7907327,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/birch_forest.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/birch_forest.json
index b96f3b49a3..44c5a15db7 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/birch_forest.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/birch_forest.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.forest"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.forest"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8037887,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/cherry_grove.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/cherry_grove.json
index 6934ef4911..b89b4c3eff 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/cherry_grove.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/cherry_grove.json
@@ -11,12 +11,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.cherry_grove"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.cherry_grove"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 6141935,
     "water_fog_color": 6141935
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/cold_ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/cold_ocean.json
index a67caf6c37..29b02227e6 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/cold_ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/cold_ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4020182,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/crimson_forest.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/crimson_forest.json
index f0fb135b4c..d5e64cc99b 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/crimson_forest.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/crimson_forest.json
@@ -14,12 +14,18 @@
       "sound": "minecraft:ambient.crimson_forest.mood",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.nether.crimson_forest"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.nether.crimson_forest"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "particle": {
       "options": {
         "type": "minecraft:crimson_spore"
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/dark_forest.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/dark_forest.json
index 656901576f..ba72c67abd 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/dark_forest.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/dark_forest.json
@@ -10,12 +10,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.forest"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.forest"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7972607,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_cold_ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_cold_ocean.json
index 7e0492095f..1111e28903 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_cold_ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_cold_ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4020182,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_dark.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_dark.json
index ada0f1d036..6115364853 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_dark.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_dark.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.deep_dark"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.deep_dark"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7907327,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_frozen_ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_frozen_ocean.json
index 7cb674e20a..07e42a81af 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_frozen_ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_frozen_ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 3750089,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json
index 6d9eab266a..50ae6f73a0 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_lukewarm_ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4566514,
     "water_fog_color": 267827
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_ocean.json
index 9c2770210d..9910217bdb 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/deep_ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/desert.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/desert.json
index 3f05e0dcd6..c65afc4ddc 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/desert.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/desert.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.desert"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.desert"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7254527,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/dripstone_caves.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/dripstone_caves.json
index 4438a83afc..4d29662165 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/dripstone_caves.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/dripstone_caves.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.dripstone_caves"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.dripstone_caves"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7907327,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/end_barrens.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/end_barrens.json
index 761f83fb72..54868f9838 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/end_barrens.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/end_barrens.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 0,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/end_highlands.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/end_highlands.json
index 1e94b54142..6fc918fd76 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/end_highlands.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/end_highlands.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 0,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/end_midlands.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/end_midlands.json
index 8ee6a657c0..0567ffb6bf 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/end_midlands.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/end_midlands.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 0,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/eroded_badlands.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/eroded_badlands.json
index 520586deeb..ea7621b106 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/eroded_badlands.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/eroded_badlands.json
@@ -12,12 +12,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.badlands"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.badlands"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7254527,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/flower_forest.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/flower_forest.json
index 03afb74882..cff2119f7a 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/flower_forest.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/flower_forest.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.flower_forest"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.flower_forest"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7972607,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/forest.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/forest.json
index 1033bf7235..259ea80bac 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/forest.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/forest.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.forest"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.forest"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7972607,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_ocean.json
index afb79fb4e9..6924270d4e 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8364543,
     "water_color": 3750089,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_peaks.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_peaks.json
index ed6e398e29..57e79f23d5 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_peaks.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_peaks.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.frozen_peaks"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.frozen_peaks"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8756735,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_river.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_river.json
index 71c419bdc1..e6e90f4f25 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_river.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/frozen_river.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8364543,
     "water_color": 3750089,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/grove.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/grove.json
index 28a1e58e57..a4ad47fc4c 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/grove.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/grove.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.grove"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.grove"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8495359,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/ice_spikes.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/ice_spikes.json
index 98a42c1aec..7efe4494c8 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/ice_spikes.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/ice_spikes.json
@@ -10,6 +10,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8364543,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/jagged_peaks.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/jagged_peaks.json
index 47ad69df5d..3f64bba000 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/jagged_peaks.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/jagged_peaks.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.jagged_peaks"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.jagged_peaks"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8756735,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/jungle.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/jungle.json
index 05d440dab9..dda810da19 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/jungle.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/jungle.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.jungle"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.jungle"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7842047,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/lukewarm_ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/lukewarm_ocean.json
index 1c66f6b775..09fe106eba 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/lukewarm_ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/lukewarm_ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4566514,
     "water_fog_color": 267827
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/lush_caves.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/lush_caves.json
index 5fde3bb622..8854da513e 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/lush_caves.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/lush_caves.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.lush_caves"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.lush_caves"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/mangrove_swamp.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/mangrove_swamp.json
index 2d292829c8..1ba9e1b224 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/mangrove_swamp.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/mangrove_swamp.json
@@ -11,12 +11,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.swamp"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.swamp"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7907327,
     "water_color": 3832426,
     "water_fog_color": 5077600
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/meadow.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/meadow.json
index 5faea74e98..200468a137 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/meadow.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/meadow.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.meadow"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.meadow"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 937679,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/mushroom_fields.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/mushroom_fields.json
index 9415d1caea..b9368a9c8c 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/mushroom_fields.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/mushroom_fields.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 7842047,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/nether_wastes.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/nether_wastes.json
index eae23065cd..1af0667226 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/nether_wastes.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/nether_wastes.json
@@ -14,12 +14,18 @@
       "sound": "minecraft:ambient.nether_wastes.mood",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.nether.nether_wastes"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.nether.nether_wastes"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7254527,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/ocean.json
index 71dc54b3ce..cf5b1995a3 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_birch_forest.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_birch_forest.json
index a81011ea8e..18806e6ae4 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_birch_forest.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_birch_forest.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.forest"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.forest"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8037887,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_pine_taiga.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_pine_taiga.json
index 4ea3533a1b..0cf87db88b 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_pine_taiga.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_pine_taiga.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.old_growth_taiga"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.old_growth_taiga"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8168447,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json
index 3f104be574..9a0e247dcc 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/old_growth_spruce_taiga.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.old_growth_taiga"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.old_growth_taiga"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8233983,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/plains.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/plains.json
index 5fbf9fe225..4e9bf9a962 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/plains.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/plains.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 7907327,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/river.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/river.json
index 4305fb1d5e..179466d536 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/river.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/river.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/savanna.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/savanna.json
index 2d0d1e98af..f36a10ed0d 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/savanna.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/savanna.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 7254527,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/savanna_plateau.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/savanna_plateau.json
index 038cf71050..44cf984a7b 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/savanna_plateau.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/savanna_plateau.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 7254527,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/small_end_islands.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/small_end_islands.json
index c6e6c59010..a3e2321c7f 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/small_end_islands.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/small_end_islands.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 0,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_beach.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_beach.json
index b8bd1fb953..06cd6da3a8 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_beach.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_beach.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8364543,
     "water_color": 4020182,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_plains.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_plains.json
index 8edcb61038..1f850cac0c 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_plains.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_plains.json
@@ -10,6 +10,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8364543,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_slopes.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_slopes.json
index f2abc4768b..46191fee21 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_slopes.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_slopes.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.snowy_slopes"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.snowy_slopes"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 8560639,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_taiga.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_taiga.json
index f38f47b3c1..7930c07be2 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_taiga.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/snowy_taiga.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8625919,
     "water_color": 4020182,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/soul_sand_valley.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/soul_sand_valley.json
index 66281471e7..90efdd143e 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/soul_sand_valley.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/soul_sand_valley.json
@@ -14,12 +14,18 @@
       "sound": "minecraft:ambient.soul_sand_valley.mood",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.nether.soul_sand_valley"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.nether.soul_sand_valley"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "particle": {
       "options": {
         "type": "minecraft:ash"
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/sparse_jungle.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/sparse_jungle.json
index dfc931ddb6..c616dadfee 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/sparse_jungle.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/sparse_jungle.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.sparse_jungle"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.sparse_jungle"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7842047,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/stony_peaks.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/stony_peaks.json
index cb24d605e2..83fe9384ac 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/stony_peaks.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/stony_peaks.json
@@ -9,12 +9,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.stony_peaks"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.stony_peaks"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7776511,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/stony_shore.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/stony_shore.json
index d6fd005fef..45cb9a94cf 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/stony_shore.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/stony_shore.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8233727,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/sunflower_plains.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/sunflower_plains.json
index dadf2f66a4..a295d2aabb 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/sunflower_plains.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/sunflower_plains.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 7907327,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/swamp.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/swamp.json
index 9e81f2148d..ed42e16bc0 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/swamp.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/swamp.json
@@ -11,12 +11,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.swamp"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.swamp"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7907327,
     "water_color": 6388580,
     "water_fog_color": 2302743
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/taiga.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/taiga.json
index 8b9be8bf50..2e531498f8 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/taiga.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/taiga.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8233983,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/the_end.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/the_end.json
index b0890881e0..ef95b942e0 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/the_end.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/the_end.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 0,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/the_void.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/the_void.json
index 911c9455ed..1a601e25a1 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/the_void.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/the_void.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/warm_ocean.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/warm_ocean.json
index 6dc7f3f38b..ea6da2bc45 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/warm_ocean.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/warm_ocean.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8103167,
     "water_color": 4445678,
     "water_fog_color": 270131
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/warped_forest.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/warped_forest.json
index 4501611475..231225af2d 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/warped_forest.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/warped_forest.json
@@ -14,12 +14,18 @@
       "sound": "minecraft:ambient.warped_forest.mood",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.nether.warped_forest"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.nether.warped_forest"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "particle": {
       "options": {
         "type": "minecraft:warped_spore"
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_forest.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_forest.json
index 39602758d2..02b614667b 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_forest.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_forest.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8233727,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_gravelly_hills.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_gravelly_hills.json
index e8661edfd8..02f1c27e6d 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_gravelly_hills.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_gravelly_hills.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8233727,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_hills.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_hills.json
index b98affa58b..b4fff701c8 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_hills.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_hills.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 8233727,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_savanna.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_savanna.json
index a588d10545..7573aa3211 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_savanna.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/windswept_savanna.json
@@ -9,6 +9,7 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
+    "music_volume": 1.0,
     "sky_color": 7254527,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/data/minecraft/worldgen/biome/wooded_badlands.json b/pfb_biome_extensions/data/minecraft/worldgen/biome/wooded_badlands.json
index e87c8feec0..7edabd6e4e 100644
--- a/pfb_biome_extensions/data/minecraft/worldgen/biome/wooded_badlands.json
+++ b/pfb_biome_extensions/data/minecraft/worldgen/biome/wooded_badlands.json
@@ -12,12 +12,18 @@
       "sound": "minecraft:ambient.cave",
       "tick_delay": 6000
     },
-    "music": {
-      "max_delay": 24000,
-      "min_delay": 12000,
-      "replace_current_music": false,
-      "sound": "minecraft:music.overworld.badlands"
-    },
+    "music": [
+      {
+        "data": {
+          "max_delay": 24000,
+          "min_delay": 12000,
+          "replace_current_music": false,
+          "sound": "minecraft:music.overworld.badlands"
+        },
+        "weight": 1
+      }
+    ],
+    "music_volume": 1.0,
     "sky_color": 7254527,
     "water_color": 4159204,
     "water_fog_color": 329011
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/configured_carver/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/configured_carver/in_biome/pale_garden.json
new file mode 100644
index 0000000000..29d21116ad
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/configured_carver/in_biome/pale_garden.json
@@ -0,0 +1,12 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:in_overworld",
+      "required": false
+    },
+    "minecraft:cave",
+    "minecraft:cave_extra_underground",
+    "minecraft:canyon"
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/pale_garden.json
new file mode 100644
index 0000000000..051c50a9df
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/fluid_springs/in_biome/pale_garden.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:fluid_springs/in_overworld",
+      "required": false
+    },
+    "minecraft:spring_water",
+    "minecraft:spring_lava"
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/pale_garden.json
new file mode 100644
index 0000000000..f8924426a5
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/lakes/in_biome/pale_garden.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:lakes/in_overworld",
+      "required": false
+    },
+    "minecraft:lake_lava_underground",
+    "minecraft:lake_lava_surface"
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/pale_garden.json
new file mode 100644
index 0000000000..d1325cc236
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/local_modifications/in_biome/pale_garden.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:local_modifications/in_overworld",
+      "required": false
+    },
+    "minecraft:amethyst_geode"
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/pale_garden.json
new file mode 100644
index 0000000000..a79eca521a
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/raw_generation/in_biome/pale_garden.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:raw_generation/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/pale_garden.json
new file mode 100644
index 0000000000..edd568eb0f
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/strongholds/in_biome/pale_garden.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:strongholds/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/pale_garden.json
new file mode 100644
index 0000000000..36b1953568
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/surface_structures/in_biome/pale_garden.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:surface_structures/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/pale_garden.json
new file mode 100644
index 0000000000..2b821afa66
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/top_layer_modification/in_biome/pale_garden.json
@@ -0,0 +1,10 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:top_layer_modification/in_overworld",
+      "required": false
+    },
+    "minecraft:freeze_top_layer"
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/pale_garden.json
new file mode 100644
index 0000000000..5c1c91b8f8
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_decoration/in_biome/pale_garden.json
@@ -0,0 +1,9 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_decoration/in_overworld",
+      "required": false
+    }
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/pale_garden.json
new file mode 100644
index 0000000000..6d0a840770
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_ores/in_biome/pale_garden.json
@@ -0,0 +1,38 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_ores/in_overworld",
+      "required": false
+    },
+    "minecraft:ore_dirt",
+    "minecraft:ore_gravel",
+    "minecraft:ore_granite_upper",
+    "minecraft:ore_granite_lower",
+    "minecraft:ore_diorite_upper",
+    "minecraft:ore_diorite_lower",
+    "minecraft:ore_andesite_upper",
+    "minecraft:ore_andesite_lower",
+    "minecraft:ore_tuff",
+    "minecraft:ore_coal_upper",
+    "minecraft:ore_coal_lower",
+    "minecraft:ore_iron_upper",
+    "minecraft:ore_iron_middle",
+    "minecraft:ore_iron_small",
+    "minecraft:ore_gold",
+    "minecraft:ore_gold_lower",
+    "minecraft:ore_redstone",
+    "minecraft:ore_redstone_lower",
+    "minecraft:ore_diamond",
+    "minecraft:ore_diamond_medium",
+    "minecraft:ore_diamond_large",
+    "minecraft:ore_diamond_buried",
+    "minecraft:ore_lapis",
+    "minecraft:ore_lapis_buried",
+    "minecraft:ore_copper",
+    "minecraft:underwater_magma",
+    "minecraft:disk_sand",
+    "minecraft:disk_clay",
+    "minecraft:disk_gravel"
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/pale_garden.json
new file mode 100644
index 0000000000..5004667bfa
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/underground_structures/in_biome/pale_garden.json
@@ -0,0 +1,11 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:underground_structures/in_overworld",
+      "required": false
+    },
+    "minecraft:monster_room",
+    "minecraft:monster_room_deep"
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/pale_garden.json
new file mode 100644
index 0000000000..3117630121
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/tags/worldgen/placed_feature/vegetal_decoration/in_biome/pale_garden.json
@@ -0,0 +1,17 @@
+{
+  "replace": false,
+  "values": [
+    {
+      "id": "#minecraft:vegetal_decoration/in_overworld",
+      "required": false
+    },
+    "minecraft:glow_lichen",
+    "minecraft:pale_garden_vegetation",
+    "minecraft:pale_moss_patch",
+    "minecraft:pale_garden_flowers",
+    "minecraft:flower_pale_garden",
+    "minecraft:patch_grass_forest",
+    "minecraft:patch_sugar_cane",
+    "minecraft:patch_pumpkin"
+  ]
+}
diff --git a/pfb_biome_extensions/since_61/data/minecraft/worldgen/biome/pale_garden.json b/pfb_biome_extensions/since_61/data/minecraft/worldgen/biome/pale_garden.json
new file mode 100644
index 0000000000..c799b37a83
--- /dev/null
+++ b/pfb_biome_extensions/since_61/data/minecraft/worldgen/biome/pale_garden.json
@@ -0,0 +1,109 @@
+{
+  "carvers": "#minecraft:in_biome/pale_garden",
+  "downfall": 0.8,
+  "effects": {
+    "fog_color": 8484720,
+    "foliage_color": 8883574,
+    "grass_color": 7832178,
+    "mood_sound": {
+      "block_search_extent": 8,
+      "offset": 2.0,
+      "sound": "minecraft:ambient.cave",
+      "tick_delay": 6000
+    },
+    "music": [],
+    "music_volume": 0.0,
+    "sky_color": 12171705,
+    "water_color": 7768221,
+    "water_fog_color": 5597568
+  },
+  "features": [
+    "#minecraft:raw_generation/in_biome/pale_garden",
+    "#minecraft:lakes/in_biome/pale_garden",
+    "#minecraft:local_modifications/in_biome/pale_garden",
+    "#minecraft:underground_structures/in_biome/pale_garden",
+    "#minecraft:surface_structures/in_biome/pale_garden",
+    "#minecraft:strongholds/in_biome/pale_garden",
+    "#minecraft:underground_ores/in_biome/pale_garden",
+    "#minecraft:underground_decoration/in_biome/pale_garden",
+    "#minecraft:fluid_springs/in_biome/pale_garden",
+    "#minecraft:vegetal_decoration/in_biome/pale_garden",
+    "#minecraft:top_layer_modification/in_biome/pale_garden"
+  ],
+  "has_precipitation": true,
+  "spawn_costs": {},
+  "spawners": {
+    "ambient": [
+      {
+        "type": "minecraft:bat",
+        "maxCount": 8,
+        "minCount": 8,
+        "weight": 10
+      }
+    ],
+    "axolotls": [],
+    "creature": [],
+    "misc": [],
+    "monster": [
+      {
+        "type": "minecraft:spider",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:zombie",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 95
+      },
+      {
+        "type": "minecraft:zombie_villager",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      },
+      {
+        "type": "minecraft:skeleton",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:creeper",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:slime",
+        "maxCount": 4,
+        "minCount": 4,
+        "weight": 100
+      },
+      {
+        "type": "minecraft:enderman",
+        "maxCount": 4,
+        "minCount": 1,
+        "weight": 10
+      },
+      {
+        "type": "minecraft:witch",
+        "maxCount": 1,
+        "minCount": 1,
+        "weight": 5
+      }
+    ],
+    "underground_water_creature": [
+      {
+        "type": "minecraft:glow_squid",
+        "maxCount": 6,
+        "minCount": 4,
+        "weight": 10
+      }
+    ],
+    "water_ambient": [],
+    "water_creature": []
+  },
+  "temperature": 0.7
+}
diff --git a/spyglass.json b/spyglass.json
index a7430f8c38..5e3ca98014 100644
--- a/spyglass.json
+++ b/spyglass.json
@@ -1,6 +1,6 @@
 {
   "env": {
-    "gameVersion": "1.21.3",
+    "gameVersion": "1.21.4",
     "exclude": [
       ".beet_cache/",
       ".vscode/",