diff --git a/packages/shared/ReactFeatureFlags.js b/packages/shared/ReactFeatureFlags.js
index 666205e7b304d..eabb6cc4b81e6 100644
--- a/packages/shared/ReactFeatureFlags.js
+++ b/packages/shared/ReactFeatureFlags.js
@@ -9,7 +9,7 @@
 
 export const enableUserTimingAPI = __DEV__;
 
-export const enableHooks = false;
+export const enableHooks = true;
 // Helps identify side effects in begin-phase lifecycle hooks and setState reducers:
 export const debugRenderPhaseSideEffects = false;
 
@@ -49,6 +49,6 @@ export const disableInputAttributeSyncing = false;
 
 // These APIs will no longer be "unstable" in the upcoming 16.7 release,
 // Control this behavior with a flag to support 16.6 minor releases in the meanwhile.
-export const enableStableConcurrentModeAPIs = false;
+export const enableStableConcurrentModeAPIs = true;
 
 export const warnAboutShorthandPropertyCollision = false;
diff --git a/packages/shared/forks/ReactFeatureFlags.persistent.js b/packages/shared/forks/ReactFeatureFlags.persistent.js
index caa763c94c7e7..10b22c841e50c 100644
--- a/packages/shared/forks/ReactFeatureFlags.persistent.js
+++ b/packages/shared/forks/ReactFeatureFlags.persistent.js
@@ -15,14 +15,14 @@ import typeof * as PersistentFeatureFlagsType from './ReactFeatureFlags.persiste
 export const debugRenderPhaseSideEffects = false;
 export const debugRenderPhaseSideEffectsForStrictMode = false;
 export const enableUserTimingAPI = __DEV__;
-export const enableHooks = false;
+export const enableHooks = true;
 export const warnAboutDeprecatedLifecycles = false;
 export const replayFailedUnitOfWorkWithInvokeGuardedCallback = __DEV__;
 export const enableProfilerTimer = __PROFILE__;
 export const enableSchedulerTracing = __PROFILE__;
 export const enableSuspenseServerRenderer = false;
 export const disableInputAttributeSyncing = false;
-export const enableStableConcurrentModeAPIs = false;
+export const enableStableConcurrentModeAPIs = true;
 export const warnAboutShorthandPropertyCollision = false;
 export const enableSchedulerDebugging = false;
 
diff --git a/packages/shared/forks/ReactFeatureFlags.test-renderer.js b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
index f55f419a6d491..fc058925886dc 100644
--- a/packages/shared/forks/ReactFeatureFlags.test-renderer.js
+++ b/packages/shared/forks/ReactFeatureFlags.test-renderer.js
@@ -15,14 +15,14 @@ import typeof * as PersistentFeatureFlagsType from './ReactFeatureFlags.persiste
 export const debugRenderPhaseSideEffects = false;
 export const debugRenderPhaseSideEffectsForStrictMode = false;
 export const enableUserTimingAPI = __DEV__;
-export const enableHooks = false;
+export const enableHooks = true;
 export const warnAboutDeprecatedLifecycles = false;
 export const replayFailedUnitOfWorkWithInvokeGuardedCallback = false;
 export const enableProfilerTimer = false;
 export const enableSchedulerTracing = false;
 export const enableSuspenseServerRenderer = false;
 export const disableInputAttributeSyncing = false;
-export const enableStableConcurrentModeAPIs = false;
+export const enableStableConcurrentModeAPIs = true;
 export const warnAboutShorthandPropertyCollision = false;
 export const enableSchedulerDebugging = false;