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feat(iOS): Enable synchronous header config shadow state updates by default #3932

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Merged
kmichalikk merged 3 commits into from
Apr 28, 2026
+30 −33
Merged

feat(iOS): Enable synchronous header config shadow state updates by default #3932

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e2162cd
feat: enable synchronous header config shadow state updates by default
kmichalikk Apr 23, 2026
dbb8af0
remove unnecessary comment
kmichalikk Apr 23, 2026
f9fd8c2
Move synchronousShadowStateUpdates to initProps
kmichalikk Apr 28, 2026
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2 changes: 1 addition & 1 deletion FabricExample/App.tsx
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Expand Up @@ -2,7 +2,7 @@ import App from '../apps';
import { featureFlags } from 'react-native-screens';

featureFlags.experiment.synchronousScreenUpdatesEnabled = false;
featureFlags.experiment.synchronousHeaderConfigUpdatesEnabled = false;
featureFlags.experiment.synchronousHeaderConfigUpdatesEnabled = true;
featureFlags.experiment.synchronousHeaderSubviewUpdatesEnabled = false;
featureFlags.experiment.androidResetScreenShadowStateOnOrientationChangeEnabled =
true;
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1 change: 1 addition & 0 deletions ios/RNSScreenStackHeaderConfig.mm
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Expand Up @@ -70,6 +70,7 @@ - (instancetype)initWithFrame:(CGRect)frame
_show = YES;
_translucent = NO;
_addedReactSubviewsInCurrentTransaction = false;
_synchronousShadowStateUpdatesEnabled = YES;
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_lastSendState = react::RNSScreenStackHeaderConfigState(react::Size{}, react::EdgeInsets{});
[self initProps];
}
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2 changes: 1 addition & 1 deletion src/fabric/ScreenStackHeaderConfigNativeComponent.ts
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Expand Up @@ -80,7 +80,7 @@ export interface NativeProps extends ViewProps {
onPressHeaderBarButtonMenuItem?:
| CT.DirectEventHandler<OnPressHeaderBarButtonMenuItemEvent>
| undefined;
synchronousShadowStateUpdatesEnabled?: CT.WithDefault<boolean, false>;
synchronousShadowStateUpdatesEnabled?: CT.WithDefault<boolean, true>;

// Experimental
userInterfaceStyle?: CT.WithDefault<UserInterfaceStyle, 'unspecified'>;
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2 changes: 1 addition & 1 deletion src/flags.ts
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@@ -1,5 +1,5 @@
const RNS_SYNCHRONOUS_SCREEN_STATE_UPDATES_DEFAULT = false;
const RNS_SYNCHRONOUS_HEADER_CONFIG_STATE_UPDATES_DEFAULT = false;
const RNS_SYNCHRONOUS_HEADER_CONFIG_STATE_UPDATES_DEFAULT = true;
const RNS_SYNCHRONOUS_HEADER_SUBVIEW_STATE_UPDATES_DEFAULT = false;
const RNS_ANDROID_LEGACY_TOP_INSET_BEHAVIOR_DEFAULT = false;
const RNS_ANDROID_RESET_SCREEN_SHADOW_STATE_ON_ORIENTATION_CHANGE_DEFAULT =
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