diff --git a/README.md b/README.md
index dc5b364..f9a626d 100644
--- a/README.md
+++ b/README.md
@@ -2108,7 +2108,7 @@ Operator methods are defined as extension methods to `Observable<T>` in the stat
 | **SkipLastFrame**(this `Observable<T>` source, `Int32` frameCount, `FrameProvider` frameProvider) | `Observable<T>` | 
 | **SkipUntil**(this `Observable<T>` source, `Observable<TOther>` other) | `Observable<T>` | 
 | **SkipUntil**(this `Observable<T>` source, `CancellationToken` cancellationToken) | `Observable<T>` | 
-| **SkipUntil**(this `Observable<T>` source, `Task` task) | `Observable<T>` | 
+| **SkipUntil**(this `Observable<T>` source, `Task` task, `Boolean` configureAwait = true) | `Observable<T>` | 
 | **SkipUntil**(this `Observable<T>` source, `Func<T, CancellationToken, ValueTask>` asyncFunc, `Boolean` configureAwait = true) | `Observable<T>` | 
 | **SkipWhile**(this `Observable<T>` source, `Func<T, Boolean>` predicate) | `Observable<T>` | 
 | **SkipWhile**(this `Observable<T>` source, `Func<T, Int32, Boolean>` predicate) | `Observable<T>` | 
@@ -2148,7 +2148,7 @@ Operator methods are defined as extension methods to `Observable<T>` in the stat
 | **TakeLastFrame**(this `Observable<T>` source, `Int32` frameCount, `FrameProvider` frameProvider) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `Observable<TOther>` other) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `CancellationToken` cancellationToken) | `Observable<T>` | 
-| **TakeUntil**(this `Observable<T>` source, `Task` task) | `Observable<T>` | 
+| **TakeUntil**(this `Observable<T>` source, `Task` task, `Boolean` configureAwait = true) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `Func<T, CancellationToken, ValueTask>` asyncFunc, `Boolean` configureAwait = true) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `Func<T, Boolean>` predicate) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `Func<T, Int32, Boolean>` predicate) | `Observable<T>` | 
diff --git a/docs/reference_operator.md b/docs/reference_operator.md
index dd0dd10..0b2e351 100644
--- a/docs/reference_operator.md
+++ b/docs/reference_operator.md
@@ -177,7 +177,7 @@
 | **SkipLastFrame**(this `Observable<T>` source, `Int32` frameCount, `FrameProvider` frameProvider) | `Observable<T>` | 
 | **SkipUntil**(this `Observable<T>` source, `Observable<TOther>` other) | `Observable<T>` | 
 | **SkipUntil**(this `Observable<T>` source, `CancellationToken` cancellationToken) | `Observable<T>` | 
-| **SkipUntil**(this `Observable<T>` source, `Task` task) | `Observable<T>` | 
+| **SkipUntil**(this `Observable<T>` source, `Task` task, `Boolean` configureAwait = true) | `Observable<T>` | 
 | **SkipUntil**(this `Observable<T>` source, `Func<T, CancellationToken, ValueTask>` asyncFunc, `Boolean` configureAwait = true) | `Observable<T>` | 
 | **SkipWhile**(this `Observable<T>` source, `Func<T, Boolean>` predicate) | `Observable<T>` | 
 | **SkipWhile**(this `Observable<T>` source, `Func<T, Int32, Boolean>` predicate) | `Observable<T>` | 
@@ -217,7 +217,7 @@
 | **TakeLastFrame**(this `Observable<T>` source, `Int32` frameCount, `FrameProvider` frameProvider) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `Observable<TOther>` other) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `CancellationToken` cancellationToken) | `Observable<T>` | 
-| **TakeUntil**(this `Observable<T>` source, `Task` task) | `Observable<T>` | 
+| **TakeUntil**(this `Observable<T>` source, `Task` task, `Boolean` configureAwait = true) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `Func<T, CancellationToken, ValueTask>` asyncFunc, `Boolean` configureAwait = true) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `Func<T, Boolean>` predicate) | `Observable<T>` | 
 | **TakeUntil**(this `Observable<T>` source, `Func<T, Int32, Boolean>` predicate) | `Observable<T>` | 
diff --git a/src/R3.Godot/addons/R3.Godot/plugin.cfg b/src/R3.Godot/addons/R3.Godot/plugin.cfg
index 2013a38..850aee5 100644
--- a/src/R3.Godot/addons/R3.Godot/plugin.cfg
+++ b/src/R3.Godot/addons/R3.Godot/plugin.cfg
@@ -3,6 +3,6 @@
 name="R3.Godot"
 description="The new future of dotnet/reactive and UniRx."
 author="Cysharp"
-version="1.2.5"
+version="1.2.6"
 language="C-sharp"
 script="GodotR3Plugin.cs"
diff --git a/src/R3.Unity/Assets/R3.Unity/package.json b/src/R3.Unity/Assets/R3.Unity/package.json
index f2743e3..576b551 100644
--- a/src/R3.Unity/Assets/R3.Unity/package.json
+++ b/src/R3.Unity/Assets/R3.Unity/package.json
@@ -2,7 +2,7 @@
     "name": "com.cysharp.r3",
     "displayName": "R3",
     "author": { "name": "Cysharp, Inc.", "url": "https://cysharp.co.jp/en/" },
-    "version": "1.2.5",
+    "version": "1.2.6",
     "unity": "2021.3",
     "description": "Reactive Extensions for Unity.",
     "keywords": [ "rx", "event", "Scripting" ],