diff --git a/packages/shared/ReactFeatureFlags.js b/packages/shared/ReactFeatureFlags.js
index 02e2e796a3..997e946105 100644
--- a/packages/shared/ReactFeatureFlags.js
+++ b/packages/shared/ReactFeatureFlags.js
@@ -161,6 +161,11 @@ export const transitionLaneExpirationMs = 5000;
  */
 export const enableInfiniteRenderLoopDetection = false;
 
+/**
+ * Experimental new hook for better managing resources in effects.
+ */
+export const enableUseResourceEffectHook = false;
+
 // -----------------------------------------------------------------------------
 // Ready for next major.
 //
diff --git a/packages/shared/forks/ReactFeatureFlags.native-fb-dynamic.js b/packages/shared/forks/ReactFeatureFlags.native-fb-dynamic.js
index 457ec37b2f..8328383130 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-fb-dynamic.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-fb-dynamic.js
@@ -25,3 +25,4 @@ export const enableShallowPropDiffing = __VARIANT__;
 export const passChildrenWhenCloningPersistedNodes = __VARIANT__;
 export const enableFabricCompleteRootInCommitPhase = __VARIANT__;
 export const enableSiblingPrerendering = __VARIANT__;
+export const enableUseResourceEffectHook = __VARIANT__;
diff --git a/packages/shared/forks/ReactFeatureFlags.native-fb.js b/packages/shared/forks/ReactFeatureFlags.native-fb.js
index a553c275fe..748aa03a9d 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-fb.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-fb.js
@@ -25,6 +25,7 @@ export const {
   enableObjectFiber,
   enablePersistedModeClonedFlag,
   enableShallowPropDiffing,
+  enableUseResourceEffectHook,
   passChildrenWhenCloningPersistedNodes,
   enableSiblingPrerendering,
 } = dynamicFlags;
diff --git a/packages/shared/forks/ReactFeatureFlags.native-oss.js b/packages/shared/forks/ReactFeatureFlags.native-oss.js
index 89c6413ac3..9f48f3877f 100644
--- a/packages/shared/forks/ReactFeatureFlags.native-oss.js
+++ b/packages/shared/forks/ReactFeatureFlags.native-oss.js
@@ -84,6 +84,7 @@ export const syncLaneExpirationMs = 250;
 export const transitionLaneExpirationMs = 5000;
 export const useModernStrictMode = true;
 export const enableSiblingPrerendering = true;
+export const enableUseResourceEffectHook = false;
 
 // Profiling Only
 export const enableProfilerTimer = __PROFILE__;
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
index 04246165a8..fbb95e0829 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
@@ -83,6 +83,8 @@ export const renameElementSymbol = true;
 export const enableShallowPropDiffing = false;
 export const enableSiblingPrerendering = true;
 
+export const enableUseResourceEffectHook = false;
+
 // TODO: This must be in sync with the main ReactFeatureFlags file because
 // the Test Renderer's value must be the same as the one used by the
 // react package.
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.native-fb.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.native-fb.js
index 0198b7419a..62b8343122 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.native-fb.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.native-fb.js
@@ -80,6 +80,7 @@ export const transitionLaneExpirationMs = 5000;
 export const useModernStrictMode = true;
 export const enableFabricCompleteRootInCommitPhase = false;
 export const enableSiblingPrerendering = true;
+export const enableUseResourceEffectHook = false;
 
 // Flow magic to verify the exports of this file match the original version.
 ((((null: any): ExportsType): FeatureFlagsType): ExportsType);
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
index ebd7d03431..e28627760a 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.www.js
@@ -94,5 +94,7 @@ export const enableOwnerStacks = false;
 export const enableShallowPropDiffing = false;
 export const enableSiblingPrerendering = true;
 
+export const enableUseResourceEffectHook = false;
+
 // Flow magic to verify the exports of this file match the original version.
 ((((null: any): ExportsType): FeatureFlagsType): ExportsType);
diff --git a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
index 482ebb03c6..db38e0e1fd 100644
--- a/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
+++ b/packages/shared/forks/ReactFeatureFlags.www-dynamic.js
@@ -42,6 +42,8 @@ export const enableSchedulingProfiler = __VARIANT__;
 export const enableInfiniteRenderLoopDetection = __VARIANT__;
 export const enableSiblingPrerendering = __VARIANT__;
 
+export const enableUseResourceEffectHook = __VARIANT__;
+
 // TODO: These flags are hard-coded to the default values used in open source.
 // Update the tests so that they pass in either mode, then set these
 // to __VARIANT__.
diff --git a/packages/shared/forks/ReactFeatureFlags.www.js b/packages/shared/forks/ReactFeatureFlags.www.js
index 013092c1c4..67d1ad74c0 100644
--- a/packages/shared/forks/ReactFeatureFlags.www.js
+++ b/packages/shared/forks/ReactFeatureFlags.www.js
@@ -31,6 +31,7 @@ export const {
   enableSiblingPrerendering,
   enableTransitionTracing,
   enableTrustedTypesIntegration,
+  enableUseResourceEffectHook,
   favorSafetyOverHydrationPerf,
   renameElementSymbol,
   retryLaneExpirationMs,