react · javache · Sep 3, 2026
diff --git a/packages/react-native/Libraries/AppDelegate/RCTRootViewFactory.mm b/packages/react-native/Libraries/AppDelegate/RCTRootViewFactory.mm
@@ -27,7 +27,6 @@
 #import <ReactCommon/RCTHost.h>
 #import <ReactCommon/RCTTurboModuleManager.h>
 #import <react/renderer/runtimescheduler/RuntimeScheduler.h>
-#import <react/renderer/runtimescheduler/RuntimeSchedulerCallInvoker.h>
 #import <react/runtime/JSRuntimeFactory.h>
 #import <react/runtime/JSRuntimeFactoryCAPI.h>
 

diff --git a/...Android/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlags.kt b/...Android/src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlags.kt
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<ffaf7abad8f9b217cc16e28ee9270b40>>
+ * @generated SignedSource<<b7ef80c2c39c734ae511fe6457b89ce7>>
  */
 
 /**
@@ -114,6 +114,12 @@ public object ReactNativeFeatureFlags {
   @JvmStatic
   public fun enableBridgelessArchitecture(): Boolean = accessor.enableBridgelessArchitecture()
 
+  /**
+   * Route async CallInvoker work through the ReactInstance buffered runtime executor, so it is ordered against callable module calls and cannot run before the JS bundle has finished evaluating. invokeSync is unaffected.
+   */
+  @JvmStatic
+  public fun enableBufferedCallInvoker(): Boolean = accessor.enableBufferedCallInvoker()
+
   /**
    * Enable prop iterator setter-style construction of Props in C++ (this flag is not used in Java).
    */

diff --git a/.../main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxAccessor.kt b/.../main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxAccessor.kt
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<0bfeba3d07af6fade47b24974a80a592>>
+ * @generated SignedSource<<68aefd0293540d56f57e8badc0de04c8>>
  */
 
 /**
@@ -34,6 +34,7 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
   private var enableAccumulatedUpdatesInRawPropsAndroidCache: Boolean? = null
   private var enableAndroidTextMeasurementOptimizationsCache: Boolean? = null
   private var enableBridgelessArchitectureCache: Boolean? = null
+  private var enableBufferedCallInvokerCache: Boolean? = null
   private var enableCppPropsIteratorSetterCache: Boolean? = null
   private var enableCustomFocusSearchOnClippedElementsAndroidCache: Boolean? = null
   private var enableDestroyShadowTreeRevisionAsyncCache: Boolean? = null
@@ -232,6 +233,15 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
     return cached
   }
 
+  override fun enableBufferedCallInvoker(): Boolean {
+    var cached = enableBufferedCallInvokerCache
+    if (cached == null) {
+      cached = ReactNativeFeatureFlagsCxxInterop.enableBufferedCallInvoker()
+      enableBufferedCallInvokerCache = cached
+    }
+    return cached
+  }
+
   override fun enableCppPropsIteratorSetter(): Boolean {
     var cached = enableCppPropsIteratorSetterCache
     if (cached == null) {

diff --git a/...c/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxInterop.kt b/...c/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsCxxInterop.kt
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<b79fbf8335bf2b480743c3cd93d4e6bd>>
+ * @generated SignedSource<<247f721796621af8615014477518bcd9>>
  */
 
 /**
@@ -56,6 +56,8 @@ public object ReactNativeFeatureFlagsCxxInterop {
 
   @DoNotStrip @JvmStatic public external fun enableBridgelessArchitecture(): Boolean
 
+  @DoNotStrip @JvmStatic public external fun enableBufferedCallInvoker(): Boolean
+
   @DoNotStrip @JvmStatic public external fun enableCppPropsIteratorSetter(): Boolean
 
   @DoNotStrip @JvmStatic public external fun enableCustomFocusSearchOnClippedElementsAndroid(): Boolean

diff --git a/...src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsDefaults.kt b/...src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsDefaults.kt
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<bc2a060e5718ae7afd6d22199c8e9d38>>
+ * @generated SignedSource<<33071257f9c96a8664c9af429e387061>>
  */
 
 /**
@@ -51,6 +51,8 @@ public open class ReactNativeFeatureFlagsDefaults : ReactNativeFeatureFlagsProvi
 
   override fun enableBridgelessArchitecture(): Boolean = true
 
+  override fun enableBufferedCallInvoker(): Boolean = true
+
   override fun enableCppPropsIteratorSetter(): Boolean = false
 
   override fun enableCustomFocusSearchOnClippedElementsAndroid(): Boolean = true

diff --git a/...ain/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsLocalAccessor.kt b/...ain/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsLocalAccessor.kt
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<3605df96fad767e3ec3957d7305ef926>>
+ * @generated SignedSource<<f218220c66b8367211cae49adba46afc>>
  */
 
 /**
@@ -38,6 +38,7 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
   private var enableAccumulatedUpdatesInRawPropsAndroidCache: Boolean? = null
   private var enableAndroidTextMeasurementOptimizationsCache: Boolean? = null
   private var enableBridgelessArchitectureCache: Boolean? = null
+  private var enableBufferedCallInvokerCache: Boolean? = null
   private var enableCppPropsIteratorSetterCache: Boolean? = null
   private var enableCustomFocusSearchOnClippedElementsAndroidCache: Boolean? = null
   private var enableDestroyShadowTreeRevisionAsyncCache: Boolean? = null
@@ -250,6 +251,16 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
     return cached
   }
 
+  override fun enableBufferedCallInvoker(): Boolean {
+    var cached = enableBufferedCallInvokerCache
+    if (cached == null) {
+      cached = currentProvider.enableBufferedCallInvoker()
+      accessedFeatureFlags.add("enableBufferedCallInvoker")
+      enableBufferedCallInvokerCache = cached
+    }
+    return cached
+  }
+
   override fun enableCppPropsIteratorSetter(): Boolean {
     var cached = enableCppPropsIteratorSetterCache
     if (cached == null) {

diff --git a/...src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsProvider.kt b/...src/main/java/com/facebook/react/internal/featureflags/ReactNativeFeatureFlagsProvider.kt
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<100e31bd98a30aba4abef10f168638fc>>
+ * @generated SignedSource<<915bf918212b9898319de61d4cadaa13>>
  */
 
 /**
@@ -51,6 +51,8 @@ public interface ReactNativeFeatureFlagsProvider {
 
   @DoNotStrip public fun enableBridgelessArchitecture(): Boolean
 
+  @DoNotStrip public fun enableBufferedCallInvoker(): Boolean
+
   @DoNotStrip public fun enableCppPropsIteratorSetter(): Boolean
 
   @DoNotStrip public fun enableCustomFocusSearchOnClippedElementsAndroid(): Boolean

diff --git a/...ative/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.cpp b/...ative/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.cpp
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<ce8ba846a2e567547c4ba7370b9f4e89>>
+ * @generated SignedSource<<177c5cc7f6e970a2d4454c32d7f777ef>>
  */
 
 /**
@@ -123,6 +123,12 @@ class ReactNativeFeatureFlagsJavaProvider
     return method(javaProvider_);
   }
 
+  bool enableBufferedCallInvoker() override {
+    static const auto method =
+        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableBufferedCallInvoker");
+    return method(javaProvider_);
+  }
+
   bool enableCppPropsIteratorSetter() override {
     static const auto method =
         getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableCppPropsIteratorSetter");
@@ -623,6 +629,11 @@ bool JReactNativeFeatureFlagsCxxInterop::enableBridgelessArchitecture(
   return ReactNativeFeatureFlags::enableBridgelessArchitecture();
 }
 
+bool JReactNativeFeatureFlagsCxxInterop::enableBufferedCallInvoker(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
+  return ReactNativeFeatureFlags::enableBufferedCallInvoker();
+}
+
 bool JReactNativeFeatureFlagsCxxInterop::enableCppPropsIteratorSetter(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
   return ReactNativeFeatureFlags::enableCppPropsIteratorSetter();
@@ -1051,6 +1062,9 @@ void JReactNativeFeatureFlagsCxxInterop::registerNatives() {
       makeNativeMethod(
         "enableBridgelessArchitecture",
         JReactNativeFeatureFlagsCxxInterop::enableBridgelessArchitecture),
+      makeNativeMethod(
+        "enableBufferedCallInvoker",
+        JReactNativeFeatureFlagsCxxInterop::enableBufferedCallInvoker),
       makeNativeMethod(
         "enableCppPropsIteratorSetter",
         JReactNativeFeatureFlagsCxxInterop::enableCppPropsIteratorSetter),

diff --git a/...-native/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.h b/...-native/ReactAndroid/src/main/jni/react/featureflags/JReactNativeFeatureFlagsCxxInterop.h
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<145b12c4a208db86c7bfdfed56cf433f>>
+ * @generated SignedSource<<eab10e240a16c8ef3f659bd8ded290f0>>
  */
 
 /**
@@ -72,6 +72,9 @@ class JReactNativeFeatureFlagsCxxInterop
   static bool enableBridgelessArchitecture(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
+  static bool enableBufferedCallInvoker(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
+
   static bool enableCppPropsIteratorSetter(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 

diff --git a/packages/react-native/ReactAndroid/src/main/jni/react/runtime/jni/JReactInstance.cpp b/packages/react-native/ReactAndroid/src/main/jni/react/runtime/jni/JReactInstance.cpp
@@ -15,7 +15,6 @@
 #include <jsi/jsi.h>
 #include <react/jni/JRuntimeExecutor.h>
 #include <react/jni/JSLogging.h>
-#include <react/renderer/runtimescheduler/RuntimeSchedulerCallInvoker.h>
 #include <react/runtime/BridgelessNativeMethodCallInvoker.h>
 #include <react/runtime/JSRuntimeBindings.h>
 
@@ -89,10 +88,11 @@ JReactInstance::JReactInstance(
 
   auto unbufferedRuntimeExecutor = instance_->getUnbufferedRuntimeExecutor();
   // Set up the JS and native modules call invokers (for TurboModules)
-  auto jsInvoker = std::make_unique<RuntimeSchedulerCallInvoker>(
-      instance_->getRuntimeScheduler());
+  // Shares the instance's BufferedRuntimeExecutor so async calls from native
+  // are ordered against callFunctionOnModule and cannot run before the bundle
+  // has evaluated. invokeSync still goes straight to the scheduler.
   jsCallInvokerHolder_ = jni::make_global(
-      CallInvokerHolder::newObjectCxxArgs(std::move(jsInvoker)));
+      CallInvokerHolder::newObjectCxxArgs(instance_->createJSCallInvoker()));
   auto nativeMethodCallInvoker =
       std::make_unique<BridgelessNativeMethodCallInvoker>(
           sharedNativeMessageQueueThread);

diff --git a/packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.cpp b/packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.cpp
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<9c1052fdfafd3f0ef6bcdaa740cf25ec>>
+ * @generated SignedSource<<7b726d7483bb35062b79e582323f0d7e>>
  */
 
 /**
@@ -82,6 +82,10 @@ bool ReactNativeFeatureFlags::enableBridgelessArchitecture() {
   return getAccessor().enableBridgelessArchitecture();
 }
 
+bool ReactNativeFeatureFlags::enableBufferedCallInvoker() {
+  return getAccessor().enableBufferedCallInvoker();
+}
+
 bool ReactNativeFeatureFlags::enableCppPropsIteratorSetter() {
   return getAccessor().enableCppPropsIteratorSetter();
 }

diff --git a/packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.h b/packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlags.h
@@ -4,7 +4,7 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @generated SignedSource<<2d59cf5ea42847d6174fc433ba5a6fe4>>
+ * @generated SignedSource<<511e884fc32f9d0b44b4234dac4fed0b>>
  */
 
 /**
@@ -109,6 +109,11 @@ class ReactNativeFeatureFlags {
    */
   RN_EXPORT static bool enableBridgelessArchitecture();
 
+  /**
+   * Route async CallInvoker work through the ReactInstance buffered runtime executor, so it is ordered against callable module calls and cannot run before the JS bundle has finished evaluating. invokeSync is unaffected.
+   */
+  RN_EXPORT static bool enableBufferedCallInvoker();
+
   /**
    * Enable prop iterator setter-style construction of Props in C++ (this flag is not used in Java).
    */