diff --git a/.changes/unreleased/Under the Hood-20241202-115445.yaml b/.changes/unreleased/Under the Hood-20241202-115445.yaml
new file mode 100644
index 00000000000..e6bd65eea49
--- /dev/null
+++ b/.changes/unreleased/Under the Hood-20241202-115445.yaml	
@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Support upgrading mashumaro to 3.15
+time: 2024-12-02T11:54:45.103325-05:00
+custom:
+  Author: gshank
+  Issue: "11044"
diff --git a/core/dbt/artifacts/resources/v1/components.py b/core/dbt/artifacts/resources/v1/components.py
index 8eb43f35d8e..5d138c9bfde 100644
--- a/core/dbt/artifacts/resources/v1/components.py
+++ b/core/dbt/artifacts/resources/v1/components.py
@@ -12,7 +12,7 @@
 from dbt_common.dataclass_schema import ExtensibleDbtClassMixin, dbtClassMixin
 from dbt_semantic_interfaces.type_enums import TimeGranularity
 
-NodeVersion = Union[str, float]
+NodeVersion = Union[int, float, str]
 
 
 @dataclass
diff --git a/core/dbt/artifacts/resources/v1/snapshot.py b/core/dbt/artifacts/resources/v1/snapshot.py
index 976c93a4d60..24941c6d54f 100644
--- a/core/dbt/artifacts/resources/v1/snapshot.py
+++ b/core/dbt/artifacts/resources/v1/snapshot.py
@@ -71,12 +71,6 @@ def final_validate(self):
         if self.materialized and self.materialized != "snapshot":
             raise ValidationError("A snapshot must have a materialized value of 'snapshot'")
 
-    # Called by "calculate_node_config_dict" in ContextConfigGenerator
-    def finalize_and_validate(self):
-        data = self.to_dict(omit_none=True)
-        self.validate(data)
-        return self.from_dict(data)
-
 
 @dataclass
 class Snapshot(CompiledResource):
diff --git a/core/dbt/artifacts/resources/v1/source_definition.py b/core/dbt/artifacts/resources/v1/source_definition.py
index 9044307563e..96289b13b42 100644
--- a/core/dbt/artifacts/resources/v1/source_definition.py
+++ b/core/dbt/artifacts/resources/v1/source_definition.py
@@ -40,7 +40,7 @@ class ExternalTable(AdditionalPropertiesAllowed, Mergeable):
     file_format: Optional[str] = None
     row_format: Optional[str] = None
     tbl_properties: Optional[str] = None
-    partitions: Optional[Union[List[str], List[ExternalPartition]]] = None
+    partitions: Optional[Union[List[ExternalPartition], List[str]]] = None
 
     def __bool__(self):
         return self.location is not None
diff --git a/core/dbt/context/context_config.py b/core/dbt/context/context_config.py
index b1aace475c7..87ef1ab0d04 100644
--- a/core/dbt/context/context_config.py
+++ b/core/dbt/context/context_config.py
@@ -1,8 +1,9 @@
 from abc import abstractmethod
 from copy import deepcopy
 from dataclasses import dataclass
-from typing import Any, Dict, Generic, Iterator, List, Optional, TypeVar
+from typing import Any, Dict, Generic, Iterator, List, Optional, Type, TypeVar
 
+from dbt import hooks
 from dbt.adapters.factory import get_config_class_by_name
 from dbt.config import IsFQNResource, Project, RuntimeConfig
 from dbt.contracts.graph.model_config import get_config_for
@@ -26,81 +27,21 @@ class ModelParts(IsFQNResource):
 C = TypeVar("C", bound=BaseConfig)
 
 
-class ConfigSource:
-    def __init__(self, project):
-        self.project = project
+def fix_hooks(config_dict: Dict[str, Any]):
+    """Given a config dict that may have `pre-hook`/`post-hook` keys,
+    convert it from the yucky maybe-a-string, maybe-a-dict to a dict.
+    """
+    # Like most of parsing, this is a horrible hack :(
+    for key in hooks.ModelHookType:
+        if key in config_dict:
+            config_dict[key] = [hooks.get_hook_dict(h) for h in config_dict[key]]
 
-    def get_config_dict(self, resource_type: NodeType): ...
 
-
-class UnrenderedConfig(ConfigSource):
-    def __init__(self, project: Project):
-        self.project = project
-
-    def get_config_dict(self, resource_type: NodeType) -> Dict[str, Any]:
-        unrendered = self.project.unrendered.project_dict
-        if resource_type == NodeType.Seed:
-            model_configs = unrendered.get("seeds")
-        elif resource_type == NodeType.Snapshot:
-            model_configs = unrendered.get("snapshots")
-        elif resource_type == NodeType.Source:
-            model_configs = unrendered.get("sources")
-        elif resource_type == NodeType.Test:
-            model_configs = unrendered.get("data_tests")
-        elif resource_type == NodeType.Metric:
-            model_configs = unrendered.get("metrics")
-        elif resource_type == NodeType.SemanticModel:
-            model_configs = unrendered.get("semantic_models")
-        elif resource_type == NodeType.SavedQuery:
-            model_configs = unrendered.get("saved_queries")
-        elif resource_type == NodeType.Exposure:
-            model_configs = unrendered.get("exposures")
-        elif resource_type == NodeType.Unit:
-            model_configs = unrendered.get("unit_tests")
-        else:
-            model_configs = unrendered.get("models")
-        if model_configs is None:
-            return {}
-        else:
-            return model_configs
-
-
-class RenderedConfig(ConfigSource):
-    def __init__(self, project: Project):
-        self.project = project
-
-    def get_config_dict(self, resource_type: NodeType) -> Dict[str, Any]:
-        if resource_type == NodeType.Seed:
-            model_configs = self.project.seeds
-        elif resource_type == NodeType.Snapshot:
-            model_configs = self.project.snapshots
-        elif resource_type == NodeType.Source:
-            model_configs = self.project.sources
-        elif resource_type == NodeType.Test:
-            model_configs = self.project.data_tests
-        elif resource_type == NodeType.Metric:
-            model_configs = self.project.metrics
-        elif resource_type == NodeType.SemanticModel:
-            model_configs = self.project.semantic_models
-        elif resource_type == NodeType.SavedQuery:
-            model_configs = self.project.saved_queries
-        elif resource_type == NodeType.Exposure:
-            model_configs = self.project.exposures
-        elif resource_type == NodeType.Unit:
-            model_configs = self.project.unit_tests
-        else:
-            model_configs = self.project.models
-        return model_configs
-
-
-class BaseContextConfigGenerator(Generic[T]):
+class BaseConfigGenerator(Generic[T]):
     def __init__(self, active_project: RuntimeConfig):
         self._active_project = active_project
 
-    def get_config_source(self, project: Project) -> ConfigSource:
-        return RenderedConfig(project)
-
-    def get_node_project(self, project_name: str):
+    def get_node_project_config(self, project_name: str):
         if project_name == self._active_project.project_name:
             return self._active_project
         dependencies = self._active_project.load_dependencies()
@@ -114,9 +55,8 @@ def get_node_project(self, project_name: str):
     def _project_configs(
         self, project: Project, fqn: List[str], resource_type: NodeType
     ) -> Iterator[Dict[str, Any]]:
-        src = self.get_config_source(project)
-        model_configs = src.get_config_dict(resource_type)
-        for level_config in fqn_search(model_configs, fqn):
+        resource_configs = self.get_resource_configs(project, resource_type)
+        for level_config in fqn_search(resource_configs, fqn):
             result = {}
             for key, value in level_config.items():
                 if key.startswith("+"):
@@ -131,85 +71,112 @@ def _active_project_configs(
     ) -> Iterator[Dict[str, Any]]:
         return self._project_configs(self._active_project, fqn, resource_type)
 
-    @abstractmethod
-    def _update_from_config(
-        self, result: T, partial: Dict[str, Any], validate: bool = False
-    ) -> T: ...
-
-    @abstractmethod
-    def initial_result(self, resource_type: NodeType, base: bool) -> T: ...
-
-    def calculate_node_config(
+    def combine_config_dicts(
         self,
         config_call_dict: Dict[str, Any],
         fqn: List[str],
         resource_type: NodeType,
         project_name: str,
-        base: bool,
         patch_config_dict: Optional[Dict[str, Any]] = None,
-    ) -> BaseConfig:
-        own_config = self.get_node_project(project_name)
+    ) -> Dict[str, Any]:
+        """This method takes resource configs from the project, the model (if applicable),
+        and the patch, and combines them into one config dictionary."""
 
-        result = self.initial_result(resource_type=resource_type, base=base)
+        project_config = self.get_node_project_config(project_name)
+        config_cls = get_config_for(resource_type)
 
-        project_configs = self._project_configs(own_config, fqn, resource_type)
+        # creates "default" config object. Unrendered config starts with
+        # empty dictionary, rendered config starts with to_dict() from empty config object.
+        config_dict = self.initial_result(config_cls)
+
+        # Update with project configs
+        project_configs = self._project_configs(project_config, fqn, resource_type)
         for fqn_config in project_configs:
-            result = self._update_from_config(result, fqn_config)
+            config_dict = self._update_from_config(config_cls, config_dict, fqn_config)
 
-        # When schema files patch config, it has lower precedence than
-        # config in the models (config_call_dict), so we add the patch_config_dict
-        # before the config_call_dict
+        # Update with schema file configs (patches)
         if patch_config_dict:
-            result = self._update_from_config(result, patch_config_dict)
+            config_dict = self._update_from_config(config_cls, config_dict, patch_config_dict)
 
-        # config_calls are created in the 'experimental' model parser and
-        # the ParseConfigObject (via add_config_call)
-        result = self._update_from_config(result, config_call_dict)
+        # Update with config dictionary from sql files (config_call_dict)
+        config_dict = self._update_from_config(config_cls, config_dict, config_call_dict)
 
-        if own_config.project_name != self._active_project.project_name:
+        # If this is not the root project, update with configs from root project
+        if project_config.project_name != self._active_project.project_name:
             for fqn_config in self._active_project_configs(fqn, resource_type):
-                result = self._update_from_config(result, fqn_config)
+                config_dict = self._update_from_config(config_cls, config_dict, fqn_config)
+
+        return config_dict
+
+    @abstractmethod
+    def get_resource_configs(
+        self, project: Project, resource_type: NodeType
+    ) -> Dict[str, Any]: ...
 
-        # this is mostly impactful in the snapshot config case
-        # TODO CT-211
-        return result  # type: ignore[return-value]
+    @abstractmethod
+    def _update_from_config(
+        self, config_cls: Type[BaseConfig], result_dict: Dict[str, Any], partial: Dict[str, Any]
+    ) -> Dict[str, Any]: ...
 
     @abstractmethod
-    def calculate_node_config_dict(
+    def initial_result(self, config_cls: Type[BaseConfig]) -> Dict[str, Any]: ...
+
+    @abstractmethod
+    def generate_node_config(
         self,
         config_call_dict: Dict[str, Any],
         fqn: List[str],
         resource_type: NodeType,
         project_name: str,
-        base: bool,
         patch_config_dict: Optional[Dict[str, Any]] = None,
-    ) -> Dict[str, Any]: ...
+    ): ...
 
 
-class ContextConfigGenerator(BaseContextConfigGenerator[C]):
+class RenderedConfigGenerator(BaseConfigGenerator[C]):
+    """This class produces the config dictionary used to create the resource config."""
+
     def __init__(self, active_project: RuntimeConfig):
         self._active_project = active_project
 
-    def get_config_source(self, project: Project) -> ConfigSource:
-        return RenderedConfig(project)
+    def get_resource_configs(self, project: Project, resource_type: NodeType) -> Dict[str, Any]:
+        if resource_type == NodeType.Seed:
+            resource_configs = project.seeds
+        elif resource_type == NodeType.Snapshot:
+            resource_configs = project.snapshots
+        elif resource_type == NodeType.Source:
+            resource_configs = project.sources
+        elif resource_type == NodeType.Test:
+            resource_configs = project.data_tests
+        elif resource_type == NodeType.Metric:
+            resource_configs = project.metrics
+        elif resource_type == NodeType.SemanticModel:
+            resource_configs = project.semantic_models
+        elif resource_type == NodeType.SavedQuery:
+            resource_configs = project.saved_queries
+        elif resource_type == NodeType.Exposure:
+            resource_configs = project.exposures
+        elif resource_type == NodeType.Unit:
+            resource_configs = project.unit_tests
+        else:
+            resource_configs = project.models
+        return resource_configs
 
-    def initial_result(self, resource_type: NodeType, base: bool) -> C:
-        # defaults, own_config, config calls, active_config (if != own_config)
-        config_cls = get_config_for(resource_type, base=base)
-        # Calculate the defaults. We don't want to validate the defaults,
-        # because it might be invalid in the case of required config members
-        # (such as on snapshots!)
-        result = config_cls.from_dict({})
+    def initial_result(self, config_cls: Type[BaseConfig]) -> Dict[str, Any]:
+        # Produce a dictionary with config defaults.
+        result = config_cls.from_dict({}).to_dict()
         return result
 
-    def _update_from_config(self, result: C, partial: Dict[str, Any], validate: bool = False) -> C:
+    def _update_from_config(
+        self, config_cls: Type[BaseConfig], result_dict: Dict[str, Any], partial: Dict[str, Any]
+    ) -> Dict[str, Any]:
         translated = self._active_project.credentials.translate_aliases(partial)
         translated = self.translate_hook_names(translated)
 
         adapter_type = self._active_project.credentials.type
         adapter_config_cls = get_config_class_by_name(adapter_type)
 
-        updated = result.update_from(translated, adapter_config_cls, validate=validate)
+        # The "update_from" method in BaseConfig merges dictionaries using MergeBehavior
+        updated = config_cls.update_from(result_dict, translated, adapter_config_cls)
         return updated
 
     def translate_hook_names(self, project_dict):
@@ -222,69 +189,107 @@ def translate_hook_names(self, project_dict):
             project_dict["post-hook"] = project_dict.pop("post_hook")
         return project_dict
 
-    def calculate_node_config_dict(
+    # RenderedConfigGenerator. Validation is performed, and a config object is returned.
+    def generate_node_config(
         self,
         config_call_dict: Dict[str, Any],
         fqn: List[str],
         resource_type: NodeType,
         project_name: str,
-        base: bool,
         patch_config_dict: Optional[dict] = None,
-    ) -> Dict[str, Any]:
-        config = self.calculate_node_config(
+    ) -> BaseConfig:
+
+        config_cls = get_config_for(resource_type)
+        config_dict = self.combine_config_dicts(
             config_call_dict=config_call_dict,
             fqn=fqn,
             resource_type=resource_type,
             project_name=project_name,
-            base=base,
             patch_config_dict=patch_config_dict,
         )
+        fix_hooks(config_dict)
         try:
-            finalized = config.finalize_and_validate()
-            return finalized.to_dict(omit_none=True)
+            config_cls.validate(config_dict)
+            config_obj = config_cls.from_dict(config_dict)
+            return config_obj
         except ValidationError as exc:
             # we got a ValidationError - probably bad types in config()
-            raise SchemaConfigError(exc, node=config) from exc
+            config_obj = config_cls.from_dict(config_dict)
+            raise SchemaConfigError(exc, node=config_obj) from exc
 
 
-class UnrenderedConfigGenerator(BaseContextConfigGenerator[Dict[str, Any]]):
-    def get_config_source(self, project: Project) -> ConfigSource:
-        return UnrenderedConfig(project)
+class UnrenderedConfigGenerator(BaseConfigGenerator[Dict[str, Any]]):
+    """This class produces the unrendered_config dictionary in the resource."""
 
-    def calculate_node_config_dict(
+    def get_resource_configs(self, project: Project, resource_type: NodeType) -> Dict[str, Any]:
+        """Get configs for this resource_type from the project's unrendered config"""
+        unrendered = project.unrendered.project_dict
+        if resource_type == NodeType.Seed:
+            resource_configs = unrendered.get("seeds")
+        elif resource_type == NodeType.Snapshot:
+            resource_configs = unrendered.get("snapshots")
+        elif resource_type == NodeType.Source:
+            resource_configs = unrendered.get("sources")
+        elif resource_type == NodeType.Test:
+            resource_configs = unrendered.get("data_tests")
+        elif resource_type == NodeType.Metric:
+            resource_configs = unrendered.get("metrics")
+        elif resource_type == NodeType.SemanticModel:
+            resource_configs = unrendered.get("semantic_models")
+        elif resource_type == NodeType.SavedQuery:
+            resource_configs = unrendered.get("saved_queries")
+        elif resource_type == NodeType.Exposure:
+            resource_configs = unrendered.get("exposures")
+        elif resource_type == NodeType.Unit:
+            resource_configs = unrendered.get("unit_tests")
+        else:
+            resource_configs = unrendered.get("models")
+        if resource_configs is None:
+            return {}
+        else:
+            return resource_configs
+
+    # UnrenderedConfigGenerator. No validation is performed and a dictionary is returned.
+    def generate_node_config(
         self,
         config_call_dict: Dict[str, Any],
         fqn: List[str],
         resource_type: NodeType,
         project_name: str,
-        base: bool,
         patch_config_dict: Optional[dict] = None,
     ) -> Dict[str, Any]:
-        # TODO CT-211
-        return self.calculate_node_config(
+
+        result = self.combine_config_dicts(
             config_call_dict=config_call_dict,
             fqn=fqn,
             resource_type=resource_type,
             project_name=project_name,
-            base=base,
             patch_config_dict=patch_config_dict,
-        )  # type: ignore[return-value]
+        )
+        return result
 
-    def initial_result(self, resource_type: NodeType, base: bool) -> Dict[str, Any]:
+    def initial_result(self, config_cls: Type[BaseConfig]) -> Dict[str, Any]:
+        # We don't want the config defaults here, just the configs which have
+        # actually been set.
         return {}
 
     def _update_from_config(
         self,
-        result: Dict[str, Any],
+        config_cls: Type[BaseConfig],
+        result_dict: Dict[str, Any],
         partial: Dict[str, Any],
-        validate: bool = False,
     ) -> Dict[str, Any]:
         translated = self._active_project.credentials.translate_aliases(partial)
-        result.update(translated)
-        return result
+        result_dict.update(translated)
+        return result_dict
+
 
+class ConfigBuilder:
+    """This object is included in various jinja contexts in order to collect the _config_call_dicts
+    and the _unrendered_config_call dicts from the config calls in sql files.
+    It is then used to run "build_config_dict" which calls the rendered or unrendered
+    config generators and returns a config dictionary."""
 
-class ContextConfig:
     def __init__(
         self,
         active_project: RuntimeConfig,
@@ -309,18 +314,14 @@ def add_unrendered_config_call(self, opts: Dict[str, Any]) -> None:
 
     def build_config_dict(
         self,
-        base: bool = False,
-        *,
         rendered: bool = True,
         patch_config_dict: Optional[dict] = None,
     ) -> Dict[str, Any]:
         if rendered:
-            # TODO CT-211
-            src = ContextConfigGenerator(self._active_project)  # type: ignore[var-annotated]
+            config_generator = RenderedConfigGenerator(self._active_project)  # type: ignore[var-annotated]
             config_call_dict = self._config_call_dict
-        else:
-            # TODO CT-211
-            src = UnrenderedConfigGenerator(self._active_project)  # type: ignore[assignment]
+        else:  # unrendered
+            config_generator = UnrenderedConfigGenerator(self._active_project)  # type: ignore[assignment]
 
             # preserve legacy behaviour - using unreliable (potentially rendered) _config_call_dict
             if get_flags().state_modified_compare_more_unrendered_values is False:
@@ -333,11 +334,14 @@ def build_config_dict(
                 else:
                     config_call_dict = self._unrendered_config_call_dict
 
-        return src.calculate_node_config_dict(
+        config = config_generator.generate_node_config(
             config_call_dict=config_call_dict,
             fqn=self._fqn,
             resource_type=self._resource_type,
             project_name=self._project_name,
-            base=base,
             patch_config_dict=patch_config_dict,
         )
+        if isinstance(config, BaseConfig):
+            return config.to_dict(omit_none=True)
+        else:
+            return config
diff --git a/core/dbt/context/providers.py b/core/dbt/context/providers.py
index f9d436a7840..a4717a7418c 100644
--- a/core/dbt/context/providers.py
+++ b/core/dbt/context/providers.py
@@ -40,7 +40,7 @@
 from dbt.constants import DEFAULT_ENV_PLACEHOLDER
 from dbt.context.base import Var, contextmember, contextproperty
 from dbt.context.configured import FQNLookup
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.context.exceptions_jinja import wrapped_exports
 from dbt.context.macro_resolver import MacroResolver, TestMacroNamespace
 from dbt.context.macros import MacroNamespace, MacroNamespaceBuilder
@@ -367,14 +367,14 @@ def __call__(self, *args: str) -> MetricReference:
 
 
 class Config(Protocol):
-    def __init__(self, model, context_config: Optional[ContextConfig]): ...
+    def __init__(self, model, config_builder: Optional[ConfigBuilder]): ...
 
 
 # Implementation of "config(..)" calls in models
 class ParseConfigObject(Config):
-    def __init__(self, model, context_config: Optional[ContextConfig]):
+    def __init__(self, model, config_builder: Optional[ConfigBuilder]):
         self.model = model
-        self.context_config = context_config
+        self.config_builder = config_builder
 
     def _transform_config(self, config):
         for oldkey in ("pre_hook", "post_hook"):
@@ -395,19 +395,19 @@ def __call__(self, *args, **kwargs):
 
         opts = self._transform_config(opts)
 
-        # it's ok to have a parse context with no context config, but you must
+        # it's ok to have a parse context with no config builder, but you must
         # not call it!
-        if self.context_config is None:
-            raise DbtRuntimeError("At parse time, did not receive a context config")
+        if self.config_builder is None:
+            raise DbtRuntimeError("At parse time, did not receive a config builder")
 
         # Track unrendered opts to build parsed node unrendered_config later on
         if get_flags().state_modified_compare_more_unrendered_values:
             unrendered_config = statically_parse_unrendered_config(self.model.raw_code)
             if unrendered_config:
-                self.context_config.add_unrendered_config_call(unrendered_config)
+                self.config_builder.add_unrendered_config_call(unrendered_config)
 
-        # Use rendered opts to populate context_config
-        self.context_config.add_config_call(opts)
+        # Use rendered opts to populate config builder
+        self.config_builder.add_config_call(opts)
         return ""
 
     def set(self, name, value):
@@ -427,7 +427,7 @@ def persist_column_docs(self) -> bool:
 
 
 class RuntimeConfigObject(Config):
-    def __init__(self, model, context_config: Optional[ContextConfig] = None):
+    def __init__(self, model, config_builder: Optional[ConfigBuilder] = None):
         self.model = model
         # we never use or get a config, only the parser cares
 
@@ -887,7 +887,7 @@ def __init__(
         config: RuntimeConfig,
         manifest: Manifest,
         provider: Provider,
-        context_config: Optional[ContextConfig],
+        config_builder: Optional[ConfigBuilder],
     ) -> None:
         if provider is None:
             raise DbtInternalError(f"Invalid provider given to context: {provider}")
@@ -896,7 +896,7 @@ def __init__(
         self.model: Union[Macro, ManifestNode] = model
         super().__init__(config, manifest, model.package_name)
         self.sql_results: Dict[str, Optional[AttrDict]] = {}
-        self.context_config: Optional[ContextConfig] = context_config
+        self.config_builder: Optional[ConfigBuilder] = config_builder
         self.provider: Provider = provider
         self.adapter = get_adapter(self.config)
         # The macro namespace is used in creating the DatabaseWrapper
@@ -1165,7 +1165,7 @@ def ctx_config(self) -> Config:
               {%- set unique_key = config.require('unique_key') -%}
               ...
         """  # noqa
-        return self.provider.Config(self.model, self.context_config)
+        return self.provider.Config(self.model, self.config_builder)
 
     @contextproperty()
     def execute(self) -> bool:
@@ -1689,12 +1689,12 @@ def generate_parser_model_context(
     model: ManifestNode,
     config: RuntimeConfig,
     manifest: Manifest,
-    context_config: ContextConfig,
+    config_builder: ConfigBuilder,
 ) -> Dict[str, Any]:
     # The __init__ method of ModelContext also initializes
     # a ManifestContext object which creates a MacroNamespaceBuilder
     # which adds every macro in the Manifest.
-    ctx = ModelContext(model, config, manifest, ParseProvider(), context_config)
+    ctx = ModelContext(model, config, manifest, ParseProvider(), config_builder)
     # The 'to_dict' method in ManifestContext moves all of the macro names
     # in the macro 'namespace' up to top level keys
     return ctx.to_dict()
@@ -1896,14 +1896,14 @@ def __init__(
         config: RuntimeConfig,
         manifest: Manifest,
         provider: Provider,
-        context_config: Optional[ContextConfig],
+        config_builder: Optional[ConfigBuilder],
         macro_resolver: MacroResolver,
     ) -> None:
         # this must be before super init so that macro_resolver exists for
         # build_namespace
         self.macro_resolver = macro_resolver
         self.thread_ctx = MacroStack()
-        super().__init__(model, config, manifest, provider, context_config)
+        super().__init__(model, config, manifest, provider, config_builder)
         self._build_test_namespace()
         # We need to rebuild this because it's already been built by
         # the ProviderContext with the wrong namespace.
@@ -1975,10 +1975,10 @@ def generate_test_context(
     model: ManifestNode,
     config: RuntimeConfig,
     manifest: Manifest,
-    context_config: ContextConfig,
+    config_builder: ConfigBuilder,
     macro_resolver: MacroResolver,
 ) -> Dict[str, Any]:
-    ctx = TestContext(model, config, manifest, ParseProvider(), context_config, macro_resolver)
+    ctx = TestContext(model, config, manifest, ParseProvider(), config_builder, macro_resolver)
     # The 'to_dict' method in ManifestContext moves all of the macro names
     # in the macro 'namespace' up to top level keys
     return ctx.to_dict()
diff --git a/core/dbt/contracts/graph/model_config.py b/core/dbt/contracts/graph/model_config.py
index b3d5952e268..e18caaaa035 100644
--- a/core/dbt/contracts/graph/model_config.py
+++ b/core/dbt/contracts/graph/model_config.py
@@ -53,14 +53,5 @@ class UnitTestNodeConfig(NodeConfig):
 }
 
 
-# base resource types are like resource types, except nothing has mandatory
-# configs.
-BASE_RESOURCE_TYPES: Dict[NodeType, Type[BaseConfig]] = RESOURCE_TYPES.copy()
-
-
-def get_config_for(resource_type: NodeType, base=False) -> Type[BaseConfig]:
-    if base:
-        lookup = BASE_RESOURCE_TYPES
-    else:
-        lookup = RESOURCE_TYPES
-    return lookup.get(resource_type, NodeConfig)
+def get_config_for(resource_type: NodeType) -> Type[BaseConfig]:
+    return RESOURCE_TYPES.get(resource_type, NodeConfig)
diff --git a/core/dbt/parser/base.py b/core/dbt/parser/base.py
index 1d27947a25f..71b54021ddb 100644
--- a/core/dbt/parser/base.py
+++ b/core/dbt/parser/base.py
@@ -3,12 +3,12 @@
 import os
 from typing import Any, Dict, Generic, List, Optional, TypeVar
 
-from dbt import hooks, utils
+from dbt import utils
 from dbt.adapters.factory import get_adapter  # noqa: F401
 from dbt.artifacts.resources import Contract
 from dbt.clients.jinja import MacroGenerator, get_rendered
 from dbt.config import RuntimeConfig
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.context.providers import (
     generate_generate_name_macro_context,
     generate_parser_model_context,
@@ -178,15 +178,6 @@ def get_fqn(self, path: str, name: str) -> List[str]:
         fqn.append(name)
         return fqn
 
-    def _mangle_hooks(self, config):
-        """Given a config dict that may have `pre-hook`/`post-hook` keys,
-        convert it from the yucky maybe-a-string, maybe-a-dict to a dict.
-        """
-        # Like most of parsing, this is a horrible hack :(
-        for key in hooks.ModelHookType:
-            if key in config:
-                config[key] = [hooks.get_hook_dict(h) for h in config[key]]
-
     def _create_error_node(
         self, name: str, path: str, original_file_path: str, raw_code: str, language: str = "sql"
     ) -> UnparsedNode:
@@ -209,7 +200,7 @@ def _create_parsetime_node(
         self,
         block: ConfiguredBlockType,
         path: str,
-        config: ContextConfig,
+        config_builder: ConfigBuilder,
         fqn: List[str],
         name=None,
         **kwargs,
@@ -239,7 +230,7 @@ def _create_parsetime_node(
             "raw_code": block.contents,
             "language": language,
             "unique_id": self.generate_unique_id(name),
-            "config": self.config_dict(config),
+            "config": self.config_dict(config_builder),
             "checksum": block.file.checksum.to_dict(omit_none=True),
         }
         dct.update(kwargs)
@@ -257,14 +248,18 @@ def _create_parsetime_node(
             )
             raise DictParseError(exc, node=node)
 
-    def _context_for(self, parsed_node: FinalNode, config: ContextConfig) -> Dict[str, Any]:
-        return generate_parser_model_context(parsed_node, self.root_project, self.manifest, config)
+    def _context_for(
+        self, parsed_node: FinalNode, config_builder: ConfigBuilder
+    ) -> Dict[str, Any]:
+        return generate_parser_model_context(
+            parsed_node, self.root_project, self.manifest, config_builder
+        )
 
-    def render_with_context(self, parsed_node: FinalNode, config: ContextConfig):
-        # Given the parsed node and a ContextConfig to use during parsing,
+    def render_with_context(self, parsed_node: FinalNode, config_builder: ConfigBuilder):
+        # Given the parsed node and a ConfigBuilder to use during parsing,
         # render the node's sql with macro capture enabled.
         # Note: this mutates the config object when config calls are rendered.
-        context = self._context_for(parsed_node, config)
+        context = self._context_for(parsed_node, config_builder)
 
         # this goes through the process of rendering, but just throws away
         # the rendered result. The "macro capture" is the point?
@@ -274,14 +269,12 @@ def render_with_context(self, parsed_node: FinalNode, config: ContextConfig):
     # This is taking the original config for the node, converting it to a dict,
     # updating the config with new config passed in, then re-creating the
     # config from the dict in the node.
-    def update_parsed_node_config_dict(
+    def clean_and_fix_config_dict(
         self, parsed_node: FinalNode, config_dict: Dict[str, Any]
     ) -> None:
         # Overwrite node config
         final_config_dict = parsed_node.config.to_dict(omit_none=True)
         final_config_dict.update({k.strip(): v for (k, v) in config_dict.items()})
-        # re-mangle hooks, in case we got new ones
-        self._mangle_hooks(final_config_dict)
         parsed_node.config = parsed_node.config.from_dict(final_config_dict)
 
     def update_parsed_node_relation_names(
@@ -308,29 +301,33 @@ def update_parsed_node_relation_names(
     def update_parsed_node_config(
         self,
         parsed_node: FinalNode,
-        config: ContextConfig,
+        config_builder: ConfigBuilder,
         context=None,
         patch_config_dict=None,
         patch_file_id=None,
     ) -> None:
-        """Given the ContextConfig used for parsing and the parsed node,
-        generate and set the true values to use, overriding the temporary parse
-        values set in _build_intermediate_parsed_node.
+        """Given the ConfigBuilder used for parsing and the parsed node,
+        generate the final resource config and the unrendered_config
         """
 
-        # build_config_dict takes the config_call_dict in the ContextConfig object
-        # and calls calculate_node_config to combine dbt_project configs and
-        # config calls from SQL files, plus patch configs (from schema files)
-        # This normalize the config for a model node due #8520; should be improved latter
         if not patch_config_dict:
             patch_config_dict = {}
         if (
             parsed_node.resource_type == NodeType.Model
             and parsed_node.language == ModelLanguage.python
         ):
+            # This normalize the config for a python model node due #8520; should be improved latter
             if "materialized" not in patch_config_dict:
                 patch_config_dict["materialized"] = "table"
-        config_dict = config.build_config_dict(patch_config_dict=patch_config_dict)
+
+        # build_config_dict takes the config_call_dict in the ConfigBuilder object
+        # and calls generate_node_config to combine dbt_project configs and
+        # config calls from SQL files, plus patch configs (from schema files).
+        # Validation is performed when building the rendered config_dict and
+        # hooks are converted into hook objects for later rendering.
+        config_dict = config_builder.build_config_dict(
+            rendered=True, patch_config_dict=patch_config_dict
+        )
 
         # Set tags on node provided in config blocks. Tags are additive, so even if
         # config has been built before, we don't have to reset tags in the parsed_node.
@@ -396,16 +393,16 @@ def update_parsed_node_config(
 
         # unrendered_config is used to compare the original database/schema/alias
         # values and to handle 'same_config' and 'same_contents' calls
-        parsed_node.unrendered_config = config.build_config_dict(
+        parsed_node.unrendered_config = config_builder.build_config_dict(
             rendered=False, patch_config_dict=patch_config_dict
         )
 
-        parsed_node.config_call_dict = config._config_call_dict
-        parsed_node.unrendered_config_call_dict = config._unrendered_config_call_dict
+        parsed_node.config_call_dict = config_builder._config_call_dict
+        parsed_node.unrendered_config_call_dict = config_builder._unrendered_config_call_dict
 
         # do this once before we parse the node database/schema/alias, so
         # parsed_node.config is what it would be if they did nothing
-        self.update_parsed_node_config_dict(parsed_node, config_dict)
+        self.clean_and_fix_config_dict(parsed_node, config_dict)
         # This updates the node database/schema/alias/relation_name
         self.update_parsed_node_relation_names(parsed_node, config_dict)
 
@@ -413,44 +410,36 @@ def update_parsed_node_config(
         if parsed_node.resource_type == NodeType.Test:
             return
 
-        # at this point, we've collected our hooks. Use the node context to
-        # render each hook and collect refs/sources
+        # Use the node context to render each hook and collect refs/sources.
         assert hasattr(parsed_node.config, "pre_hook") and hasattr(parsed_node.config, "post_hook")
         hooks = list(itertools.chain(parsed_node.config.pre_hook, parsed_node.config.post_hook))
         # skip context rebuilding if there aren't any hooks
         if not hooks:
             return
         if not context:
-            context = self._context_for(parsed_node, config)
+            context = self._context_for(parsed_node, config_builder)
         for hook in hooks:
             get_rendered(hook.sql, context, parsed_node, capture_macros=True)
 
-    def initial_config(self, fqn: List[str]) -> ContextConfig:
-        config_version = min([self.project.config_version, self.root_project.config_version])
-        if config_version == 2:
-            return ContextConfig(
-                self.root_project,
-                fqn,
-                self.resource_type,
-                self.project.project_name,
-            )
-        else:
-            raise DbtInternalError(
-                f"Got an unexpected project version={config_version}, expected 2"
-            )
+    def initial_config_builder(self, fqn: List[str]) -> ConfigBuilder:
+        return ConfigBuilder(
+            self.root_project,
+            fqn,
+            self.resource_type,
+            self.project.project_name,
+        )
 
     def config_dict(
         self,
-        config: ContextConfig,
+        config_builder: ConfigBuilder,
     ) -> Dict[str, Any]:
-        config_dict = config.build_config_dict(base=True)
-        self._mangle_hooks(config_dict)
+        config_dict = config_builder.build_config_dict(rendered=True)
         return config_dict
 
-    def render_update(self, node: FinalNode, config: ContextConfig) -> None:
+    def render_update(self, node: FinalNode, config_builder: ConfigBuilder) -> None:
         try:
-            context = self.render_with_context(node, config)
-            self.update_parsed_node_config(node, config, context=context)
+            context = self.render_with_context(node, config_builder)
+            self.update_parsed_node_config(node, config_builder, context=context)
         except ValidationError as exc:
             # we got a ValidationError - probably bad types in config()
             raise ConfigUpdateError(exc, node=node) from exc
@@ -465,15 +454,15 @@ def parse_node(self, block: ConfiguredBlockType) -> FinalNode:
         compiled_path: str = self.get_compiled_path(block)
         fqn = self.get_fqn(compiled_path, block.name)
 
-        config: ContextConfig = self.initial_config(fqn)
+        config_builder: ConfigBuilder = self.initial_config_builder(fqn)
 
         node = self._create_parsetime_node(
             block=block,
             path=compiled_path,
-            config=config,
+            config_builder=config_builder,
             fqn=fqn,
         )
-        self.render_update(node, config)
+        self.render_update(node, config_builder)
         self.add_result_node(block, node)
         return node
 
diff --git a/core/dbt/parser/hooks.py b/core/dbt/parser/hooks.py
index bcc25c0d937..f7836b7e57e 100644
--- a/core/dbt/parser/hooks.py
+++ b/core/dbt/parser/hooks.py
@@ -1,7 +1,7 @@
 from dataclasses import dataclass
 from typing import Iterable, Iterator, List, Tuple, Union
 
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.contracts.files import FilePath
 from dbt.contracts.graph.nodes import HookNode
 from dbt.node_types import NodeType, RunHookType
@@ -92,7 +92,7 @@ def _create_parsetime_node(
         self,
         block: HookBlock,
         path: str,
-        config: ContextConfig,
+        config_builder: ConfigBuilder,
         fqn: List[str],
         name=None,
         **kwargs,
@@ -101,7 +101,7 @@ def _create_parsetime_node(
         return super()._create_parsetime_node(
             block=block,
             path=path,
-            config=config,
+            config_builder=config_builder,
             fqn=fqn,
             index=block.index,
             name=name,
diff --git a/core/dbt/parser/models.py b/core/dbt/parser/models.py
index 06e11a89649..5084ee03842 100644
--- a/core/dbt/parser/models.py
+++ b/core/dbt/parser/models.py
@@ -10,7 +10,7 @@
 from dbt import utils
 from dbt.artifacts.resources import RefArgs
 from dbt.clients.jinja import get_rendered
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.contracts.graph.nodes import ModelNode
 from dbt.exceptions import (
     ModelConfigError,
@@ -233,15 +233,15 @@ def parse_python_model(self, node, config, context):
                 config_keys_defaults=config_keys_defaults,
             )
 
-    def render_update(self, node: ModelNode, config: ContextConfig) -> None:
+    def render_update(self, node: ModelNode, config_builder: ConfigBuilder) -> None:
         self.manifest._parsing_info.static_analysis_path_count += 1
         flags = get_flags()
         if node.language == ModelLanguage.python:
             try:
                 verify_python_model_code(node)
-                context = self._context_for(node, config)
-                self.parse_python_model(node, config, context)
-                self.update_parsed_node_config(node, config, context=context)
+                context = self._context_for(node, config_builder)
+                self.parse_python_model(node, config_builder, context)
+                self.update_parsed_node_config(node, config_builder, context=context)
 
             except ValidationError as exc:
                 # we got a ValidationError - probably bad types in config()
@@ -250,7 +250,7 @@ def render_update(self, node: ModelNode, config: ContextConfig) -> None:
 
         elif not flags.STATIC_PARSER:
             # jinja rendering
-            super().render_update(node, config)
+            super().render_update(node, config_builder)
             return
 
         # only sample for experimental parser correctness on normal runs,
@@ -277,9 +277,9 @@ def render_update(self, node: ModelNode, config: ContextConfig) -> None:
         statically_parsed: Optional[Union[str, Dict[str, List[Any]]]] = None
         experimental_sample: Optional[Union[str, Dict[str, List[Any]]]] = None
         exp_sample_node: Optional[ModelNode] = None
-        exp_sample_config: Optional[ContextConfig] = None
+        exp_sample_config_builder: Optional[ConfigBuilder] = None
         jinja_sample_node: Optional[ModelNode] = None
-        jinja_sample_config: Optional[ContextConfig] = None
+        jinja_sample_config_builder: Optional[ConfigBuilder] = None
         result: List[str] = []
 
         # sample the experimental parser only during a normal run
@@ -295,8 +295,10 @@ def render_update(self, node: ModelNode, config: ContextConfig) -> None:
             if isinstance(experimental_sample, dict):
                 model_parser_copy = self.partial_deepcopy()
                 exp_sample_node = deepcopy(node)
-                exp_sample_config = deepcopy(config)
-                model_parser_copy.populate(exp_sample_node, exp_sample_config, experimental_sample)
+                exp_sample_config_builder = deepcopy(config_builder)
+                model_parser_copy.populate(
+                    exp_sample_node, exp_sample_config_builder, experimental_sample
+                )
         # use the experimental parser exclusively if the flag is on
         if flags.USE_EXPERIMENTAL_PARSER:
             statically_parsed = self.run_experimental_parser(node)
@@ -317,36 +319,36 @@ def render_update(self, node: ModelNode, config: ContextConfig) -> None:
                 # but we can't really guarantee that going forward.
                 model_parser_copy = self.partial_deepcopy()
                 jinja_sample_node = deepcopy(node)
-                jinja_sample_config = deepcopy(config)
+                jinja_sample_config_builder = deepcopy(config_builder)
                 # rendering mutates the node and the config
                 super(ModelParser, model_parser_copy).render_update(
-                    jinja_sample_node, jinja_sample_config
+                    jinja_sample_node, jinja_sample_config_builder
                 )
 
             # update the unrendered config with values from the static parser.
             # values from yaml files are in there already
-            self.populate(node, config, statically_parsed)
+            self.populate(node, config_builder, statically_parsed)
 
             # if we took a jinja sample, compare now that the base node has been populated
-            if jinja_sample_node is not None and jinja_sample_config is not None:
+            if jinja_sample_node is not None and jinja_sample_config_builder is not None:
                 result = _get_stable_sample_result(
-                    jinja_sample_node, jinja_sample_config, node, config
+                    jinja_sample_node, jinja_sample_config_builder, node, config_builder
                 )
 
             # if we took an experimental sample, compare now that the base node has been populated
-            if exp_sample_node is not None and exp_sample_config is not None:
+            if exp_sample_node is not None and exp_sample_config_builder is not None:
                 result = _get_exp_sample_result(
                     exp_sample_node,
-                    exp_sample_config,
+                    exp_sample_config_builder,
                     node,
-                    config,
+                    config_builder,
                 )
 
             self.manifest._parsing_info.static_analysis_parsed_path_count += 1
         # if the static parser didn't succeed, fall back to jinja
         else:
             # jinja rendering
-            super().render_update(node, config)
+            super().render_update(node, config_builder)
 
             # if sampling, add the correct messages for tracking
             if exp_sample and isinstance(experimental_sample, str):
@@ -432,13 +434,15 @@ def _has_banned_macro(self, node: ModelNode) -> bool:
     # this method updates the model node rendered and unrendered config as well
     # as the node object. Used to populate these values when circumventing jinja
     # rendering like the static parser.
-    def populate(self, node: ModelNode, config: ContextConfig, statically_parsed: Dict[str, Any]):
+    def populate(
+        self, node: ModelNode, config_builder: ConfigBuilder, statically_parsed: Dict[str, Any]
+    ):
         # manually fit configs in
-        config._config_call_dict = _get_config_call_dict(statically_parsed)
+        config_builder._config_call_dict = _get_config_call_dict(statically_parsed)
 
         # if there are hooks present this, it WILL render jinja. Will need to change
         # when the experimental parser supports hooks
-        self.update_parsed_node_config(node, config)
+        self.update_parsed_node_config(node, config_builder)
 
         # update the unrendered config with values from the file.
         # values from yaml files are in there already
@@ -488,11 +492,13 @@ def _shift_sources(static_parser_result: Dict[str, List[Any]]) -> Dict[str, List
 # returns a list of string codes to be sent as a tracking event
 def _get_exp_sample_result(
     sample_node: ModelNode,
-    sample_config: ContextConfig,
+    sample_config_builder: ConfigBuilder,
     node: ModelNode,
-    config: ContextConfig,
+    config_builder: ConfigBuilder,
 ) -> List[str]:
-    result: List[Tuple[int, str]] = _get_sample_result(sample_node, sample_config, node, config)
+    result: List[Tuple[int, str]] = _get_sample_result(
+        sample_node, sample_config_builder, node, config_builder
+    )
 
     def process(codemsg):
         code, msg = codemsg
@@ -504,11 +510,13 @@ def process(codemsg):
 # returns a list of string codes to be sent as a tracking event
 def _get_stable_sample_result(
     sample_node: ModelNode,
-    sample_config: ContextConfig,
+    sample_config_builder: ConfigBuilder,
     node: ModelNode,
-    config: ContextConfig,
+    config_builder: ConfigBuilder,
 ) -> List[str]:
-    result: List[Tuple[int, str]] = _get_sample_result(sample_node, sample_config, node, config)
+    result: List[Tuple[int, str]] = _get_sample_result(
+        sample_node, sample_config_builder, node, config_builder
+    )
 
     def process(codemsg):
         code, msg = codemsg
@@ -521,20 +529,20 @@ def process(codemsg):
 # before being sent as a tracking event
 def _get_sample_result(
     sample_node: ModelNode,
-    sample_config: ContextConfig,
+    sample_config_builder: ConfigBuilder,
     node: ModelNode,
-    config: ContextConfig,
+    config_builder: ConfigBuilder,
 ) -> List[Tuple[int, str]]:
     result: List[Tuple[int, str]] = []
     # look for false positive configs
-    for k in sample_config._config_call_dict.keys():
-        if k not in config._config_call_dict.keys():
+    for k in sample_config_builder._config_call_dict.keys():
+        if k not in config_builder._config_call_dict.keys():
             result += [(2, "false_positive_config_value")]
             break
 
     # look for missed configs
-    for k in config._config_call_dict.keys():
-        if k not in sample_config._config_call_dict.keys():
+    for k in config_builder._config_call_dict.keys():
+        if k not in sample_config_builder._config_call_dict.keys():
             result += [(3, "missed_config_value")]
             break
 
diff --git a/core/dbt/parser/schema_generic_tests.py b/core/dbt/parser/schema_generic_tests.py
index 58be6dc94be..bdd7228a907 100644
--- a/core/dbt/parser/schema_generic_tests.py
+++ b/core/dbt/parser/schema_generic_tests.py
@@ -7,7 +7,7 @@
 from dbt.artifacts.resources import NodeVersion, RefArgs
 from dbt.clients.jinja import add_rendered_test_kwargs, get_rendered
 from dbt.context.configured import SchemaYamlVars, generate_schema_yml_context
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.context.macro_resolver import MacroResolver
 from dbt.context.providers import generate_test_context
 from dbt.contracts.files import FileHash
@@ -88,7 +88,7 @@ def create_test_node(
         self,
         target: Union[UnpatchedSourceDefinition, UnparsedNodeUpdate],
         path: str,
-        config: ContextConfig,
+        config_builder: ConfigBuilder,
         tags: List[str],
         fqn: List[str],
         name: str,
@@ -130,7 +130,7 @@ def get_hashable_md(data: Union[str, int, float, List, Dict]) -> Union[str, List
             "raw_code": raw_code,
             "language": "sql",
             "unique_id": self.generate_unique_id(name, test_hash),
-            "config": self.config_dict(config),
+            "config": self.config_dict(config_builder),
             "test_metadata": test_metadata,
             "column_name": column_name,
             "checksum": FileHash.empty().to_dict(omit_none=True),
@@ -200,11 +200,11 @@ def parse_generic_test(
         relative_path = str(path.relative_to(*path.parts[:1]))
         fqn = self.get_fqn(relative_path, builder.fqn_name)
 
-        # this is the ContextConfig that is used in render_update
-        config: ContextConfig = self.initial_config(fqn)
-        # Adding the builder's config to the ContextConfig
+        # this is the ConfigBuilder that is used in render_update
+        config_builder: ConfigBuilder = self.initial_config_builder(fqn)
+        # Adding the builder's config to the ConfigBuilder
         # is needed to ensure the config makes it to the pre_model hook which dbt-snowflake needs
-        config.add_config_call(builder.config)
+        config_builder.add_config_call(builder.config)
         # builder.args contains keyword args for the test macro,
         # not configs which have been separated out in the builder.
         # The keyword args are not completely rendered until compilation.
@@ -223,7 +223,7 @@ def parse_generic_test(
         node = self.create_test_node(
             target=target,
             path=compiled_path,
-            config=config,
+            config_builder=config_builder,
             fqn=fqn,
             tags=tags,
             name=builder.fqn_name,
@@ -233,7 +233,7 @@ def parse_generic_test(
             file_key_name=file_key_name,
             description=builder.description,
         )
-        self.render_test_update(node, config, builder, schema_file_id)
+        self.render_test_update(node, config_builder, builder, schema_file_id)
 
         return node
 
@@ -278,7 +278,7 @@ def store_env_vars(self, target, schema_file_id, env_vars):
     # In the future we will look at generalizing this
     # more to handle additional macros or to use static
     # parsing to avoid jinja overhead.
-    def render_test_update(self, node, config, builder, schema_file_id):
+    def render_test_update(self, node, config_builder, builder, schema_file_id):
         macro_unique_id = self.macro_resolver.get_macro_id(
             node.package_name, "test_" + builder.name
         )
@@ -287,9 +287,9 @@ def render_test_update(self, node, config, builder, schema_file_id):
         node.depends_on.add_macro(macro_unique_id)
         if macro_unique_id in ["macro.dbt.test_not_null", "macro.dbt.test_unique"]:
             config_call_dict = builder.get_static_config()
-            config._config_call_dict = config_call_dict
+            config_builder._config_call_dict = config_call_dict
             # This sets the config from dbt_project
-            self.update_parsed_node_config(node, config)
+            self.update_parsed_node_config(node, config_builder)
             # source node tests are processed at patch_source time
             if isinstance(builder.target, UnpatchedSourceDefinition):
                 sources = [builder.target.fqn[-2], builder.target.fqn[-1]]
@@ -303,7 +303,7 @@ def render_test_update(self, node, config, builder, schema_file_id):
                     node,
                     self.root_project,
                     self.manifest,
-                    config,
+                    config_builder,
                     self.macro_resolver,
                 )
                 # update with rendered test kwargs (which collects any refs)
@@ -312,7 +312,7 @@ def render_test_update(self, node, config, builder, schema_file_id):
                 add_rendered_test_kwargs(context, node, capture_macros=True)
                 # the parsed node is not rendered in the native context.
                 get_rendered(node.raw_code, context, node, capture_macros=True)
-                self.update_parsed_node_config(node, config)
+                self.update_parsed_node_config(node, config_builder)
                 # env_vars should have been updated in the context env_var method
             except ValidationError as exc:
                 # we got a ValidationError - probably bad types in config()
@@ -351,14 +351,14 @@ def add_test_node(self, block: GenericTestBlock, node: GenericTestNode):
     def render_with_context(
         self,
         node: GenericTestNode,
-        config: ContextConfig,
+        config_builder: ConfigBuilder,
     ) -> None:
-        """Given the parsed node and a ContextConfig to use during
+        """Given the parsed node and a ConfigBuilder to use during
         parsing, collect all the refs that might be squirreled away in the test
         arguments. This includes the implicit "model" argument.
         """
         # make a base context that doesn't have the magic kwargs field
-        context = self._context_for(node, config)
+        context = self._context_for(node, config_builder)
         # update it with the rendered test kwargs (which collects any refs)
         add_rendered_test_kwargs(context, node, capture_macros=True)
 
diff --git a/core/dbt/parser/schema_yaml_readers.py b/core/dbt/parser/schema_yaml_readers.py
index aca239db153..04bdfde33ad 100644
--- a/core/dbt/parser/schema_yaml_readers.py
+++ b/core/dbt/parser/schema_yaml_readers.py
@@ -23,8 +23,8 @@
 )
 from dbt.clients.jinja import get_rendered
 from dbt.context.context_config import (
-    BaseContextConfigGenerator,
-    ContextConfigGenerator,
+    BaseConfigGenerator,
+    RenderedConfigGenerator,
     UnrenderedConfigGenerator,
 )
 from dbt.context.providers import (
@@ -94,6 +94,7 @@ def parse_exposure(self, unparsed: UnparsedExposure) -> None:
         fqn = self.schema_parser.get_fqn_prefix(path)
         fqn.append(unparsed.name)
 
+        # Also validates
         config = self._generate_exposure_config(
             target=unparsed,
             fqn=fqn,
@@ -101,8 +102,6 @@ def parse_exposure(self, unparsed: UnparsedExposure) -> None:
             rendered=True,
         )
 
-        config = config.finalize_and_validate()
-
         unrendered_config = self._generate_exposure_config(
             target=unparsed,
             fqn=fqn,
@@ -153,9 +152,9 @@ def parse_exposure(self, unparsed: UnparsedExposure) -> None:
     def _generate_exposure_config(
         self, target: UnparsedExposure, fqn: List[str], package_name: str, rendered: bool
     ):
-        generator: BaseContextConfigGenerator
+        generator: BaseConfigGenerator
         if rendered:
-            generator = ContextConfigGenerator(self.root_project)
+            generator = RenderedConfigGenerator(self.root_project)
         else:
             generator = UnrenderedConfigGenerator(self.root_project)
 
@@ -164,12 +163,11 @@ def _generate_exposure_config(
         # apply exposure configs
         precedence_configs.update(target.config)
 
-        return generator.calculate_node_config(
+        return generator.generate_node_config(
             config_call_dict={},
             fqn=fqn,
             resource_type=NodeType.Exposure,
             project_name=package_name,
-            base=False,
             patch_config_dict=precedence_configs,
         )
 
@@ -382,6 +380,7 @@ def parse_metric(self, unparsed: UnparsedMetric, generated_from: Optional[str] =
         fqn = self.schema_parser.get_fqn_prefix(path)
         fqn.append(unparsed.name)
 
+        # Also validates
         config = self._generate_metric_config(
             target=unparsed,
             fqn=fqn,
@@ -389,8 +388,6 @@ def parse_metric(self, unparsed: UnparsedMetric, generated_from: Optional[str] =
             rendered=True,
         )
 
-        config = config.finalize_and_validate()
-
         unrendered_config = self._generate_metric_config(
             target=unparsed,
             fqn=fqn,
@@ -439,23 +436,22 @@ def parse_metric(self, unparsed: UnparsedMetric, generated_from: Optional[str] =
     def _generate_metric_config(
         self, target: UnparsedMetric, fqn: List[str], package_name: str, rendered: bool
     ):
-        generator: BaseContextConfigGenerator
+        generator: BaseConfigGenerator
         if rendered:
-            generator = ContextConfigGenerator(self.root_project)
+            generator = RenderedConfigGenerator(self.root_project)
         else:
             generator = UnrenderedConfigGenerator(self.root_project)
 
-        # configs with precendence set
+        # configs with precedence set
         precedence_configs = dict()
         # first apply metric configs
         precedence_configs.update(target.config)
 
-        config = generator.calculate_node_config(
+        config = generator.generate_node_config(
             config_call_dict={},
             fqn=fqn,
             resource_type=NodeType.Metric,
             project_name=package_name,
-            base=False,
             patch_config_dict=precedence_configs,
         )
         return config
@@ -608,9 +604,9 @@ def _create_metric(
     def _generate_semantic_model_config(
         self, target: UnparsedSemanticModel, fqn: List[str], package_name: str, rendered: bool
     ):
-        generator: BaseContextConfigGenerator
+        generator: BaseConfigGenerator
         if rendered:
-            generator = ContextConfigGenerator(self.root_project)
+            generator = RenderedConfigGenerator(self.root_project)
         else:
             generator = UnrenderedConfigGenerator(self.root_project)
 
@@ -619,12 +615,11 @@ def _generate_semantic_model_config(
         # first apply semantic model configs
         precedence_configs.update(target.config)
 
-        config = generator.calculate_node_config(
+        config = generator.generate_node_config(
             config_call_dict={},
             fqn=fqn,
             resource_type=NodeType.SemanticModel,
             project_name=package_name,
-            base=False,
             patch_config_dict=precedence_configs,
         )
 
@@ -638,6 +633,7 @@ def parse_semantic_model(self, unparsed: UnparsedSemanticModel) -> None:
         fqn = self.schema_parser.get_fqn_prefix(path)
         fqn.append(unparsed.name)
 
+        # Also validates
         config = self._generate_semantic_model_config(
             target=unparsed,
             fqn=fqn,
@@ -645,8 +641,6 @@ def parse_semantic_model(self, unparsed: UnparsedSemanticModel) -> None:
             rendered=True,
         )
 
-        config = config.finalize_and_validate()
-
         unrendered_config = self._generate_semantic_model_config(
             target=unparsed,
             fqn=fqn,
@@ -723,9 +717,9 @@ def __init__(self, schema_parser: SchemaParser, yaml: YamlBlock) -> None:
     def _generate_saved_query_config(
         self, target: UnparsedSavedQuery, fqn: List[str], package_name: str, rendered: bool
     ):
-        generator: BaseContextConfigGenerator
+        generator: BaseConfigGenerator
         if rendered:
-            generator = ContextConfigGenerator(self.root_project)
+            generator = RenderedConfigGenerator(self.root_project)
         else:
             generator = UnrenderedConfigGenerator(self.root_project)
 
@@ -734,12 +728,11 @@ def _generate_saved_query_config(
         # first apply semantic model configs
         precedence_configs.update(target.config)
 
-        config = generator.calculate_node_config(
+        config = generator.generate_node_config(
             config_call_dict={},
             fqn=fqn,
             resource_type=NodeType.SavedQuery,
             project_name=package_name,
-            base=False,
             patch_config_dict=precedence_configs,
         )
 
@@ -783,6 +776,7 @@ def parse_saved_query(self, unparsed: UnparsedSavedQuery) -> None:
         fqn = self.schema_parser.get_fqn_prefix(path)
         fqn.append(unparsed.name)
 
+        # Also validates
         config = self._generate_saved_query_config(
             target=unparsed,
             fqn=fqn,
@@ -790,8 +784,6 @@ def parse_saved_query(self, unparsed: UnparsedSavedQuery) -> None:
             rendered=True,
         )
 
-        config = config.finalize_and_validate()
-
         unrendered_config = self._generate_saved_query_config(
             target=unparsed,
             fqn=fqn,
diff --git a/core/dbt/parser/schemas.py b/core/dbt/parser/schemas.py
index e9c66e184e4..773108ea57b 100644
--- a/core/dbt/parser/schemas.py
+++ b/core/dbt/parser/schemas.py
@@ -11,7 +11,7 @@
 from dbt.clients.yaml_helper import load_yaml_text
 from dbt.config import RuntimeConfig
 from dbt.context.configured import SchemaYamlVars, generate_schema_yml_context
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.contracts.files import SchemaSourceFile, SourceFile
 from dbt.contracts.graph.manifest import Manifest
 from dbt.contracts.graph.nodes import (
@@ -299,7 +299,7 @@ def _add_yaml_snapshot_nodes_to_manifest(
                 snapshot_node = parser._create_parsetime_node(
                     block,
                     compiled_path,
-                    parser.initial_config(fqn),
+                    parser.initial_config_builder(fqn),
                     fqn,
                     snapshot["name"],
                 )
@@ -694,20 +694,20 @@ def patch_node_config(self, node, patch) -> None:
                     unique_id=node.unique_id,
                     field_value=patch.config["access"],
                 )
-        # Get the ContextConfig that's used in calculating the config
+        # Get the ConfigBuilder that's used in calculating the config
         # This must match the model resource_type that's being patched
-        config = ContextConfig(
+        config_builder = ConfigBuilder(
             self.schema_parser.root_project,
             node.fqn,
             node.resource_type,
             self.schema_parser.project.project_name,
         )
         # We need to re-apply the config_call_dict after the patch config
-        config._config_call_dict = node.config_call_dict
-        config._unrendered_config_call_dict = node.unrendered_config_call_dict
+        config_builder._config_call_dict = node.config_call_dict
+        config_builder._unrendered_config_call_dict = node.unrendered_config_call_dict
         self.schema_parser.update_parsed_node_config(
             node,
-            config,
+            config_builder,
             patch_config_dict=patch.config,
             patch_file_id=patch.file_id,
         )
diff --git a/core/dbt/parser/seeds.py b/core/dbt/parser/seeds.py
index 23c77e1ed7c..cebaaa88f4c 100644
--- a/core/dbt/parser/seeds.py
+++ b/core/dbt/parser/seeds.py
@@ -1,4 +1,4 @@
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.contracts.graph.nodes import SeedNode
 from dbt.node_types import NodeType
 from dbt.parser.base import SimpleSQLParser
@@ -24,5 +24,5 @@ def resource_type(self) -> NodeType:
     def get_compiled_path(cls, block: FileBlock):
         return block.path.relative_path
 
-    def render_with_context(self, parsed_node: SeedNode, config: ContextConfig) -> None:
+    def render_with_context(self, parsed_node: SeedNode, config_builder: ConfigBuilder) -> None:
         """Seeds don't need to do any rendering."""
diff --git a/core/dbt/parser/sources.py b/core/dbt/parser/sources.py
index 0fe882750ae..0545ce9ee80 100644
--- a/core/dbt/parser/sources.py
+++ b/core/dbt/parser/sources.py
@@ -8,8 +8,8 @@
 from dbt.artifacts.resources import FreshnessThreshold, SourceConfig, Time
 from dbt.config import RuntimeConfig
 from dbt.context.context_config import (
-    BaseContextConfigGenerator,
-    ContextConfigGenerator,
+    BaseConfigGenerator,
+    RenderedConfigGenerator,
     UnrenderedConfigGenerator,
 )
 from dbt.contracts.graph.manifest import Manifest, SourceKey
@@ -146,13 +146,12 @@ def parse_source(self, target: UnpatchedSourceDefinition) -> SourceDefinition:
         # make sure we don't do duplicate tags from source + table
         tags = sorted(set(itertools.chain(source.tags, table.tags)))
 
+        # This will also validate
         config = self._generate_source_config(
             target=target,
             rendered=True,
         )
 
-        config = config.finalize_and_validate()
-
         unrendered_config = self._generate_source_config(
             target=target,
             rendered=False,
@@ -287,9 +286,9 @@ def parse_source_test(
         return node
 
     def _generate_source_config(self, target: UnpatchedSourceDefinition, rendered: bool):
-        generator: BaseContextConfigGenerator
+        generator: BaseConfigGenerator
         if rendered:
-            generator = ContextConfigGenerator(self.root_project)
+            generator = RenderedConfigGenerator(self.root_project)
         else:
             generator = UnrenderedConfigGenerator(self.root_project)
 
@@ -302,12 +301,11 @@ def _generate_source_config(self, target: UnpatchedSourceDefinition, rendered: b
         # it works while source configs can only include `enabled`.
         precedence_configs.update(target.table.config)
 
-        return generator.calculate_node_config(
+        return generator.generate_node_config(
             config_call_dict={},
             fqn=target.fqn,
             resource_type=NodeType.Source,
             project_name=target.package_name,
-            base=False,
             patch_config_dict=precedence_configs,
         )
 
diff --git a/core/dbt/parser/unit_tests.py b/core/dbt/parser/unit_tests.py
index 38a9c81fb3d..d17bc72271a 100644
--- a/core/dbt/parser/unit_tests.py
+++ b/core/dbt/parser/unit_tests.py
@@ -9,7 +9,7 @@
 from dbt import utils
 from dbt.artifacts.resources import ModelConfig, UnitTestConfig, UnitTestFormat
 from dbt.config import RuntimeConfig
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.context.providers import generate_parse_exposure, get_rendered
 from dbt.contracts.files import FileHash, SchemaSourceFile
 from dbt.contracts.graph.manifest import Manifest
@@ -314,13 +314,15 @@ def _get_unit_test(self, data: Dict[str, Any]) -> UnparsedUnitTest:
     def _build_unit_test_config(
         self, unit_test_fqn: List[str], config_dict: Dict[str, Any]
     ) -> UnitTestConfig:
-        config = ContextConfig(
+        config_builder = ConfigBuilder(
             self.schema_parser.root_project,
             unit_test_fqn,
             NodeType.Unit,
             self.schema_parser.project.project_name,
         )
-        unit_test_config_dict = config.build_config_dict(patch_config_dict=config_dict)
+        unit_test_config_dict = config_builder.build_config_dict(
+            rendered=True, patch_config_dict=config_dict
+        )
         unit_test_config_dict = self.render_entry(unit_test_config_dict)
 
         return UnitTestConfig.from_dict(unit_test_config_dict)
diff --git a/core/setup.py b/core/setup.py
index be77d1ba73b..a78e64c6e6d 100644
--- a/core/setup.py
+++ b/core/setup.py
@@ -51,7 +51,7 @@
         # Pin to the patch or minor version, and bump in each new minor version of dbt-core.
         "agate>=1.7.0,<1.10",
         "Jinja2>=3.1.3,<4",
-        "mashumaro[msgpack]>=3.9,<3.15",
+        "mashumaro[msgpack]>=3.15,<4.0",
         # ----
         # dbt-core uses these packages in standard ways. Pin to the major version, and check compatibility
         # with major versions in each new minor version of dbt-core.
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 5f393349744..cac7be14f6b 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,6 +1,6 @@
-git+https://github.com/dbt-labs/dbt-adapters.git@main
+git+https://github.com/dbt-labs/dbt-adapters.git@mashumaro_fixes
 git+https://github.com/dbt-labs/dbt-adapters.git@main#subdirectory=dbt-tests-adapter
-git+https://github.com/dbt-labs/dbt-common.git@main
+git+https://github.com/dbt-labs/dbt-common.git@mashumaro_fixes
 git+https://github.com/dbt-labs/dbt-postgres.git@main
 # black must match what's in .pre-commit-config.yaml to be sure local env matches CI
 black==24.3.0
diff --git a/schemas/dbt/manifest/v12.json b/schemas/dbt/manifest/v12.json
index 21f2a9a77f5..ffe735f6adf 100644
--- a/schemas/dbt/manifest/v12.json
+++ b/schemas/dbt/manifest/v12.json
@@ -1802,11 +1802,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -2456,11 +2459,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -3250,11 +3256,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -4063,11 +4072,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -4292,11 +4304,14 @@
               "version": {
                 "anyOf": [
                   {
-                    "type": "string"
+                    "type": "integer"
                   },
                   {
                     "type": "number"
                   },
+                  {
+                    "type": "string"
+                  },
                   {
                     "type": "null"
                   }
@@ -4306,11 +4321,14 @@
               "latest_version": {
                 "anyOf": [
                   {
-                    "type": "string"
+                    "type": "integer"
                   },
                   {
                     "type": "number"
                   },
+                  {
+                    "type": "string"
+                  },
                   {
                     "type": "null"
                   }
@@ -5430,11 +5448,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -6084,11 +6105,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -7073,11 +7097,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -7916,12 +7943,6 @@
                   },
                   "partitions": {
                     "anyOf": [
-                      {
-                        "type": "array",
-                        "items": {
-                          "type": "string"
-                        }
-                      },
                       {
                         "type": "array",
                         "items": {
@@ -7956,6 +7977,12 @@
                           "additionalProperties": true
                         }
                       },
+                      {
+                        "type": "array",
+                        "items": {
+                          "type": "string"
+                        }
+                      },
                       {
                         "type": "null"
                       }
@@ -8632,11 +8659,14 @@
                 "version": {
                   "anyOf": [
                     {
-                      "type": "string"
+                      "type": "integer"
                     },
                     {
                       "type": "number"
                     },
+                    {
+                      "type": "string"
+                    },
                     {
                       "type": "null"
                     }
@@ -9750,11 +9780,14 @@
                 "version": {
                   "anyOf": [
                     {
-                      "type": "string"
+                      "type": "integer"
                     },
                     {
                       "type": "number"
                     },
+                    {
+                      "type": "string"
+                    },
                     {
                       "type": "null"
                     }
@@ -11599,11 +11632,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -12253,11 +12289,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -13047,11 +13086,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -13860,11 +13902,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -14089,11 +14134,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -14103,11 +14151,14 @@
                     "latest_version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -15227,11 +15278,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -15881,11 +15935,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -16870,11 +16927,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -17704,12 +17764,6 @@
                             },
                             "partitions": {
                               "anyOf": [
-                                {
-                                  "type": "array",
-                                  "items": {
-                                    "type": "string"
-                                  }
-                                },
                                 {
                                   "type": "array",
                                   "items": {
@@ -17744,6 +17798,12 @@
                                     "additionalProperties": true
                                   }
                                 },
+                                {
+                                  "type": "array",
+                                  "items": {
+                                    "type": "string"
+                                  }
+                                },
                                 {
                                   "type": "null"
                                 }
@@ -18218,11 +18278,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -19329,11 +19392,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -19764,11 +19830,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -20491,11 +20560,14 @@
                           "version": {
                             "anyOf": [
                               {
-                                "type": "string"
+                                "type": "integer"
                               },
                               {
                                 "type": "number"
                               },
+                              {
+                                "type": "string"
+                              },
                               {
                                 "type": "null"
                               }
@@ -20869,10 +20941,13 @@
                                   "items": {
                                     "anyOf": [
                                       {
-                                        "type": "string"
+                                        "type": "integer"
                                       },
                                       {
                                         "type": "number"
+                                      },
+                                      {
+                                        "type": "string"
                                       }
                                     ]
                                   }
@@ -20890,10 +20965,13 @@
                                   "items": {
                                     "anyOf": [
                                       {
-                                        "type": "string"
+                                        "type": "integer"
                                       },
                                       {
                                         "type": "number"
+                                      },
+                                      {
+                                        "type": "string"
                                       }
                                     ]
                                   }
@@ -20916,11 +20994,14 @@
                     "version": {
                       "anyOf": [
                         {
-                          "type": "string"
+                          "type": "integer"
                         },
                         {
                           "type": "number"
                         },
+                        {
+                          "type": "string"
+                        },
                         {
                           "type": "null"
                         }
@@ -21395,11 +21476,14 @@
                 "version": {
                   "anyOf": [
                     {
-                      "type": "string"
+                      "type": "integer"
                     },
                     {
                       "type": "number"
                     },
+                    {
+                      "type": "string"
+                    },
                     {
                       "type": "null"
                     }
@@ -22129,11 +22213,14 @@
                 "version": {
                   "anyOf": [
                     {
-                      "type": "string"
+                      "type": "integer"
                     },
                     {
                       "type": "number"
                     },
+                    {
+                      "type": "string"
+                    },
                     {
                       "type": "null"
                     }
@@ -22514,10 +22601,13 @@
                         "items": {
                           "anyOf": [
                             {
-                              "type": "string"
+                              "type": "integer"
                             },
                             {
                               "type": "number"
+                            },
+                            {
+                              "type": "string"
                             }
                           ]
                         }
@@ -22535,10 +22625,13 @@
                         "items": {
                           "anyOf": [
                             {
-                              "type": "string"
+                              "type": "integer"
                             },
                             {
                               "type": "number"
+                            },
+                            {
+                              "type": "string"
                             }
                           ]
                         }
@@ -22561,11 +22654,14 @@
           "version": {
             "anyOf": [
               {
-                "type": "string"
+                "type": "integer"
               },
               {
                 "type": "number"
               },
+              {
+                "type": "string"
+              },
               {
                 "type": "null"
               }
diff --git a/tests/functional/artifacts/test_graph_serialization.py b/tests/functional/artifacts/test_graph_serialization.py
new file mode 100644
index 00000000000..512ec5ee34c
--- /dev/null
+++ b/tests/functional/artifacts/test_graph_serialization.py
@@ -0,0 +1,48 @@
+import pytest
+
+from dbt.tests.util import run_dbt
+
+sources_yml = """
+sources:
+- name: TEST
+  schema: STAGE
+  tables:
+  - name: TABLE
+    external:
+      partitions:
+      - name: dl_partition
+        data_type: string
+        expression: split_part(METADATA$FILENAME, '/', 2)
+"""
+
+get_partitions_sql = """
+{% macro get_partitions() -%}
+    {% set source_nodes = graph.sources.values() if graph.sources else [] %}
+    {% for node in source_nodes %}
+        {% if node.external %}
+            {% if node.external.partitions %}
+                {{print(node.external.partitions)}}
+            {% endif %}
+        {% endif %}
+    {% endfor %}
+{%- endmacro %}
+"""
+
+
+class TestGraphSerialization:
+    @pytest.fixture(scope="class")
+    def models(self):
+        return {
+            "sources.yml": sources_yml,
+        }
+
+    @pytest.fixture(scope="class")
+    def macros(self):
+        return {"get_partitions.sql": get_partitions_sql}
+
+    def test_graph_serialization(self, project):
+        manifest = run_dbt(["parse"])
+        assert manifest
+        assert len(manifest.sources) == 1
+
+        run_dbt(["run-operation", "get_partitions"])
diff --git a/tests/functional/artifacts/test_serialization.py b/tests/functional/artifacts/test_serialization.py
new file mode 100644
index 00000000000..9fa6d8a8fcb
--- /dev/null
+++ b/tests/functional/artifacts/test_serialization.py
@@ -0,0 +1,49 @@
+from dataclasses import dataclass, field
+from typing import Any, Dict, List, Optional, Union
+
+from dbt_common.dataclass_schema import dbtClassMixin
+
+
+@dataclass
+class ExternalPartition(dbtClassMixin):
+    name: str = ""
+    description: str = ""
+    data_type: str = ""
+    meta: Dict[str, Any] = field(default_factory=dict)
+
+
+@dataclass
+class ExternalTable(dbtClassMixin):
+    location: Optional[str] = None
+    file_format: Optional[str] = None
+    row_format: Optional[str] = None
+    tbl_properties: Optional[str] = None
+    partitions: Optional[Union[List[ExternalPartition], List[str]]] = None
+
+
+def test_partitions_serialization():
+
+    part1 = ExternalPartition(
+        name="partition 1",
+        description="partition 1",
+        data_type="string",
+    )
+
+    part2 = ExternalPartition(
+        name="partition 2",
+        description="partition 2",
+        data_type="string",
+    )
+
+    ext_table = ExternalTable(
+        location="my_location",
+        file_format="my file format",
+        row_format="row format",
+        partitions=[part1, part2],
+    )
+
+    ext_table_dict = ext_table.to_dict()
+    assert isinstance(ext_table_dict["partitions"][0], dict)
+
+    ext_table_msgpack = ext_table.to_msgpack()
+    assert ext_table_msgpack
diff --git a/tests/functional/exposures/test_exposure_configs.py b/tests/functional/exposures/test_exposure_configs.py
index 2ec309623a7..aec50a8523d 100644
--- a/tests/functional/exposures/test_exposure_configs.py
+++ b/tests/functional/exposures/test_exposure_configs.py
@@ -1,8 +1,8 @@
 import pytest
 
 from dbt.artifacts.resources import ExposureConfig
+from dbt.exceptions import SchemaConfigError
 from dbt.tests.util import get_manifest, run_dbt, update_config_file
-from dbt_common.dataclass_schema import ValidationError
 from tests.functional.exposures.fixtures import (
     disabled_models_exposure_yml,
     enabled_yaml_level_exposure_yml,
@@ -126,7 +126,7 @@ def models(self):
         }
 
     def test_exposure_config_yaml_level(self, project):
-        with pytest.raises(ValidationError) as excinfo:
+        with pytest.raises(SchemaConfigError) as excinfo:
             run_dbt(["parse"])
         expected_msg = "'True and False' is not of type 'boolean'"
         assert expected_msg in str(excinfo.value)
diff --git a/tests/functional/metrics/test_metric_configs.py b/tests/functional/metrics/test_metric_configs.py
index 2be68d9e17f..a944c1ea5a4 100644
--- a/tests/functional/metrics/test_metric_configs.py
+++ b/tests/functional/metrics/test_metric_configs.py
@@ -1,9 +1,8 @@
 import pytest
 
 from dbt.artifacts.resources import MetricConfig
-from dbt.exceptions import CompilationError, ParsingError
+from dbt.exceptions import CompilationError, ParsingError, SchemaConfigError
 from dbt.tests.util import get_manifest, run_dbt, update_config_file
-from dbt_common.dataclass_schema import ValidationError
 from tests.functional.metrics.fixtures import (
     disabled_metric_level_schema_yml,
     enabled_metric_level_schema_yml,
@@ -170,7 +169,7 @@ def models(self):
         }
 
     def test_invalid_config_metric(self, project):
-        with pytest.raises(ValidationError) as excinfo:
+        with pytest.raises(SchemaConfigError) as excinfo:
             run_dbt(["parse"])
         expected_msg = "'True and False' is not of type 'boolean'"
         assert expected_msg in str(excinfo.value)
diff --git a/tests/functional/sources/test_source_configs.py b/tests/functional/sources/test_source_configs.py
index 1ceca5d0522..12372c2fbb9 100644
--- a/tests/functional/sources/test_source_configs.py
+++ b/tests/functional/sources/test_source_configs.py
@@ -1,8 +1,8 @@
 import pytest
 
 from dbt.artifacts.resources import SourceConfig
+from dbt.exceptions import SchemaConfigError
 from dbt.tests.util import get_manifest, run_dbt, update_config_file
-from dbt_common.dataclass_schema import ValidationError
 from tests.functional.sources.fixtures import (
     all_configs_everywhere_schema_yml,
     all_configs_not_table_schema_yml,
@@ -175,7 +175,7 @@ def models(self):
         }
 
     def test_invalid_config_source(self, project):
-        with pytest.raises(ValidationError) as excinfo:
+        with pytest.raises(SchemaConfigError) as excinfo:
             run_dbt(["parse"])
         expected_msg = "'True and False' is not of type 'boolean'"
         assert expected_msg in str(excinfo.value)
diff --git a/tests/unit/context/test_context.py b/tests/unit/context/test_context.py
index 10e591093ee..2580f7b692d 100644
--- a/tests/unit/context/test_context.py
+++ b/tests/unit/context/test_context.py
@@ -473,7 +473,7 @@ def test_model_parse_context(config_postgres, manifest_fx, get_adapter, get_incl
         model=mock_model(),
         config=config_postgres,
         manifest=manifest_fx,
-        context_config=mock.MagicMock(),
+        config_builder=mock.MagicMock(),
     )
     assert_has_keys(REQUIRED_MODEL_KEYS, MAYBE_KEYS, ctx)
 
diff --git a/tests/unit/parser/test_parser.py b/tests/unit/parser/test_parser.py
index 8894e47ce84..88b8f9414fe 100644
--- a/tests/unit/parser/test_parser.py
+++ b/tests/unit/parser/test_parser.py
@@ -8,7 +8,7 @@
 
 from dbt import tracking
 from dbt.artifacts.resources import ModelConfig, RefArgs
-from dbt.context.context_config import ContextConfig
+from dbt.context.context_config import ConfigBuilder
 from dbt.contracts.files import FileHash, FilePath, SchemaSourceFile, SourceFile
 from dbt.contracts.graph.manifest import Manifest
 from dbt.contracts.graph.model_config import NodeConfig, SnapshotConfig, TestConfig
@@ -1285,7 +1285,7 @@ def setUp(self):
             checksum=None,
             unrendered_config={"materialized": "table"},
         )
-        self.example_config = ContextConfig(
+        self.example_config_builder = ConfigBuilder(
             self.root_project_config,
             self.example_node.fqn,
             self.example_node.resource_type,
@@ -1315,90 +1315,92 @@ def test_source_shifting(self):
     def test_sample_results(self):
         # --- missed ref --- #
         node = deepcopy(self.example_node)
-        config = deepcopy(self.example_config)
+        config_builder = deepcopy(self.example_config_builder)
         sample_node = deepcopy(self.example_node)
-        sample_config = deepcopy(self.example_config)
+        sample_config_builder = deepcopy(self.example_config_builder)
 
         sample_node.refs = []
         node.refs = ["myref"]
 
-        result = _get_sample_result(sample_node, sample_config, node, config)
+        result = _get_sample_result(sample_node, sample_config_builder, node, config_builder)
         self.assertEqual([(7, "missed_ref_value")], result)
 
         # --- false positive ref --- #
         node = deepcopy(self.example_node)
-        config = deepcopy(self.example_config)
+        config_builder = deepcopy(self.example_config_builder)
         sample_node = deepcopy(self.example_node)
-        sample_config = deepcopy(self.example_config)
+        sample_config_builder = deepcopy(self.example_config_builder)
 
         sample_node.refs = ["myref"]
         node.refs = []
 
-        result = _get_sample_result(sample_node, sample_config, node, config)
+        result = _get_sample_result(sample_node, sample_config_builder, node, config_builder)
         self.assertEqual([(6, "false_positive_ref_value")], result)
 
         # --- missed source --- #
         node = deepcopy(self.example_node)
-        config = deepcopy(self.example_config)
+        config_builder = deepcopy(self.example_config_builder)
         sample_node = deepcopy(self.example_node)
-        sample_config = deepcopy(self.example_config)
+        sample_config_builder = deepcopy(self.example_config_builder)
 
         sample_node.sources = []
         node.sources = [["abc", "def"]]
 
-        result = _get_sample_result(sample_node, sample_config, node, config)
+        result = _get_sample_result(sample_node, sample_config_builder, node, config_builder)
         self.assertEqual([(5, "missed_source_value")], result)
 
         # --- false positive source --- #
         node = deepcopy(self.example_node)
-        config = deepcopy(self.example_config)
+        config_builder = deepcopy(self.example_config_builder)
         sample_node = deepcopy(self.example_node)
-        sample_config = deepcopy(self.example_config)
+        sample_config_builder = deepcopy(self.example_config_builder)
 
         sample_node.sources = [["abc", "def"]]
         node.sources = []
 
-        result = _get_sample_result(sample_node, sample_config, node, config)
+        result = _get_sample_result(sample_node, sample_config_builder, node, config_builder)
         self.assertEqual([(4, "false_positive_source_value")], result)
 
         # --- missed config --- #
         node = deepcopy(self.example_node)
-        config = deepcopy(self.example_config)
+        config_builder = deepcopy(self.example_config_builder)
         sample_node = deepcopy(self.example_node)
-        sample_config = deepcopy(self.example_config)
+        sample_config_builder = deepcopy(self.example_config_builder)
 
-        sample_config._config_call_dict = {}
-        config._config_call_dict = {"key": "value"}
+        sample_config_builder._config_call_dict = {}
+        config_builder._config_call_dict = {"key": "value"}
 
-        result = _get_sample_result(sample_node, sample_config, node, config)
+        result = _get_sample_result(sample_node, sample_config_builder, node, config_builder)
         self.assertEqual([(3, "missed_config_value")], result)
 
         # --- false positive config --- #
         node = deepcopy(self.example_node)
-        config = deepcopy(self.example_config)
+        config_builder = deepcopy(self.example_config_builder)
         sample_node = deepcopy(self.example_node)
-        sample_config = deepcopy(self.example_config)
+        sample_config_builder = deepcopy(self.example_config_builder)
 
-        sample_config._config_call_dict = {"key": "value"}
-        config._config_call_dict = {}
+        sample_config_builder._config_call_dict = {"key": "value"}
+        config_builder._config_call_dict = {}
 
-        result = _get_sample_result(sample_node, sample_config, node, config)
+        result = _get_sample_result(sample_node, sample_config_builder, node, config_builder)
         self.assertEqual([(2, "false_positive_config_value")], result)
 
     def test_exp_sample_results(self):
         node = deepcopy(self.example_node)
-        config = deepcopy(self.example_config)
+        config_builder = deepcopy(self.example_config_builder)
         sample_node = deepcopy(self.example_node)
-        sample_config = deepcopy(self.example_config)
-        result = _get_exp_sample_result(sample_node, sample_config, node, config)
+        sample_config_builder = deepcopy(self.example_config_builder)
+        result = _get_exp_sample_result(sample_node, sample_config_builder, node, config_builder)
         self.assertEqual(["00_experimental_exact_match"], result)
 
     def test_stable_sample_results(self):
         node = deepcopy(self.example_node)
-        config = deepcopy(self.example_config)
+        config_builder = deepcopy(self.example_config_builder)
         sample_node = deepcopy(self.example_node)
-        sample_config = deepcopy(self.example_config)
-        result = _get_stable_sample_result(sample_node, sample_config, node, config)
+        sample_config_builder = deepcopy(self.example_config_builder)
+        result = _get_stable_sample_result(
+            sample_node, sample_config_builder, node, config_builder
+        )
         self.assertEqual(["80_stable_exact_match"], result)
 
 
diff --git a/tests/unit/utils/manifest.py b/tests/unit/utils/manifest.py
index 0950f68ebb5..26b564209be 100644
--- a/tests/unit/utils/manifest.py
+++ b/tests/unit/utils/manifest.py
@@ -470,7 +470,7 @@ def make_semantic_model(
     return SemanticModel(
         name=name,
         resource_type=NodeType.SemanticModel,
-        model=model,
+        model=model.name,
         node_relation=NodeRelation(
             alias=model.alias,
             schema_name="dbt",