Fix CQS signal readability-implicit-bool-conversion in xplat/js/react-native-github/packages

Reviewed By: rshest

Differential Revision: D81565980

CHANGELOG.md

@@ -1,5 +1,186 @@
 # Changelog
 
+## v0.82.0-rc.0
+
+### Breaking
+
+- **Appearance.setColorScheme:** `Appearance.setColorScheme` no longer accepts a nullable value ([a4581ecd8b](https://github.com/facebook/react-native/commit/a4581ecd8b6df5efa44dfe6d43708320209c900b) by [@huntie](https://github.com/huntie))
+- **`CxxSharedModuleWrapper`:** Removed CxxSharedModuleWrapper ([fafbee2402](https://github.com/facebook/react-native/commit/fafbee240235ea0e63eb01abd31ce32d6a576429) by [@javache](https://github.com/javache))
+- **DOM API:** Enable DOM APIs in host component refs ([2ad845ccb2](https://github.com/facebook/react-native/commit/2ad845ccb2fea277e05513dcf41407026a8224f0) by [@rubennorte](https://github.com/rubennorte))
+- **Error Handling:** Unhandled promises are now handled by ExceptionsManager.handleException, instead of being swallowed as Logbox Warnings. ([c4082c9ce2](https://github.com/facebook/react-native/commit/c4082c9ce208a324c2d011823ca2ba432411aafc) by [@krystofwoldrich](https://github.com/krystofwoldrich))
+- **`shouldEmitW3CPointerEvents`:** Migrate `shouldPressibilityUseW3CPointerEventsForHover` to common private feature flags and remove `shouldEmitW3CPointerEvents` flag. ([fb4587780e](https://github.com/facebook/react-native/commit/fb4587780e8d6111139d73598a9a26ff392dee28) by [@coado](https://github.com/coado))
+- **TurboModuleUtils:** Remove unused ReactCommon/TurboModuleUtils functions #deepCopyJSIObject and #deepCopyJSIArray ([ead669ade3](https://github.com/facebook/react-native/commit/ead669ade31ee703c407f96c0ce98d8f2991bdc8) by [@christophpurrer](https://github.com/christophpurrer))
+
+#### Android specific
+
+- **Deps:** Gradle to 9.0 ([7f93b664b4](https://github.com/facebook/react-native/commit/7f93b664b41ba11226aae7cca0e7c9b7f38a7d18) by [@cortinico](https://github.com/cortinico))
+- **Image Prefetching:** Android: Image Prefetching send ImageResizeMode as enum value ([e30f34eda6](https://github.com/facebook/react-native/commit/e30f34eda689994cab8cd62aa38175238da8638b) by [@christophpurrer](https://github.com/christophpurrer))
+- **New Architecture:** Remove possibility to newArchEnabled=false in 0.82 ([d5d21d0614](https://github.com/facebook/react-native/commit/d5d21d061493ee973c789a7c6ab8cceebc1f04f9) by [@cortinico](https://github.com/cortinico))
+- **`reactNativeHost`:** Throw Exception if ReactApplication.reactNativeHost is not overriden ([0d3791ca0a](https://github.com/facebook/react-native/commit/0d3791ca0ab30d5a12881c9901f31291b3e998c6) by [@mdvacca](https://github.com/mdvacca))
+- **ViewManagerInterfaces:** Migrate ViewManagerInterfaces to kotlin. Some types in code generated ViewManagerInterfaces might differ. e.g. this will start enforcing nullability in parameters of viewManagerInterface methods (e.g. String commands parameters are not nullable, view params are not nullable in any method, etc) ([79ca9036d3](https://github.com/facebook/react-native/commit/79ca9036d39c16cd115dc0427cb7092f358ac47e) by [@mdvacca](https://github.com/mdvacca))
+
+#### iOS Specific
+- **New Architecture:** Removed the opt-out from the New Architecture. ([83e6eaf693](https://github.com/facebook/react-native/commit/83e6eaf693f967b7870a5d4896cbb799206a14f0) by [@cipolleschi](https://github.com/cipolleschi))
+
+### Added
+
+- **Animated:** `Animated.CompositeAnomation` is now exposed when using `"react-native-strict-api"` ([024d25794a](https://github.com/facebook/react-native/commit/024d25794a51c94c877c1dfa115a82ebbf559614) by [@huntie](https://github.com/huntie))
+- **Animated:** Allow calling createAnimatedNode without batching ([d9d9a49e18](https://github.com/facebook/react-native/commit/d9d9a49e18f3c51caa18cf7da0a1fcd62f1ecf18) by [@zeyap](https://github.com/zeyap))
+- **Animated:** Allow filter usage with native animated driver. ([138d0eb01d](https://github.com/facebook/react-native/commit/138d0eb01dbe597261459a37d364d1780c3ef228) by [@intergalacticspacehighway](https://github.com/intergalacticspacehighway))
+- **API:** Expose NativeComponentRegistry API as JavaScript root export ([f936780cd5](https://github.com/facebook/react-native/commit/f936780cd5c0c17797f9d2bbc8f5cee81c2eefce) by [@zhongwuzw](https://github.com/zhongwuzw))
+- **API:** Expose `ReactNativeVersion` API as JavaScript root export ([ec5638abd0](https://github.com/facebook/react-native/commit/ec5638abd0e872be62b6ea5d8df9bed6335c2191) by [@huntie](https://github.com/huntie))
+- **Codegen:** Added getDebugProps to codegen ([e547f466ee](https://github.com/facebook/react-native/commit/e547f466ee41415a75ec6b6f910171285ee7bfc3) by [@cipolleschi](https://github.com/cipolleschi))
+- **Pressable:** Allow setting `blockNativeResponder` on Pressable ([6e4d23ded2](https://github.com/facebook/react-native/commit/6e4d23ded2da4a717bafcc032e3d7a0a5fbe3731) by [@zeyap](https://github.com/zeyap))
+- **Yoga/API:** Make yoga/Yoga.h an umbrell header ([8ed2cee80e](https://github.com/facebook/react-native/commit/8ed2cee80e0aaac2f2a6a897ba450888f274a5a4) by [@rudybear](https://github.com/rudybear))
+
+#### Android specific
+
+- **Build Type:** Create a `debugOptimized` `buildType` for Android ([eb2461c7c9](https://github.com/facebook/react-native/commit/eb2461c7c902ebed272bd2d22d6cff4d3c586da6) by [@cortinico](https://github.com/cortinico))
+- **DevMenu:** Add long-press back as an option to open the DevMenu for devices that lack menu & fast-forward. ([32d37f03ad](https://github.com/facebook/react-native/commit/32d37f03ad05290205a4f04d756f6e1880c4ff89) by [@sbuggay](https://github.com/sbuggay))
+- **DevTools:** `DevSupportManager::openDebugger` now supports an optional `panel` param determining the starting panel ([7eb3536728](https://github.com/facebook/react-native/commit/7eb3536728c4a20f7e51245f4f7b64aa505bd799) by [@huntie](https://github.com/huntie))
+- **DevTools:** Adds a landing view parameter to opening RNDT, enabling arbitrary view focus on launch. ([635c707eec](https://github.com/facebook/react-native/commit/635c707eec18f6d2ceceac2dcee9f458f17f8aab) by [@sbuggay](https://github.com/sbuggay))
+- **HWInput:** Channel up/down hardware events. ([c2a3e4420e](https://github.com/facebook/react-native/commit/c2a3e4420e07147f9a040a665da98dbe22b87a2a) by [@sbuggay](https://github.com/sbuggay))
+- **Manifest:** Add support to specify a single Manifest rather than 2 (main/debug) by using the `usesCleartextTraffic` manifest placeholder which is autoconfigured by RNGP. ([d89acc1596](https://github.com/facebook/react-native/commit/d89acc1596345534882938d2bbf40275a6cb89bd) by [@cortinico](https://github.com/cortinico))
+
+#### iOS specific
+
+- **API:** Add deprecation message for RCTAppdelegate APIs ([d503ea4efc](https://github.com/facebook/react-native/commit/d503ea4efc84b6511cef2a46421a16e044862e88) by [@cipolleschi](https://github.com/cipolleschi))
+- **New Architecture:** Add warning if RCT_NEW_ARCH_ENABLED is set to 0 ([7d0bef2f25](https://github.com/facebook/react-native/commit/7d0bef2f25a206d917e7f5cc2b9a6c088f13a832) by [@cipolleschi](https://github.com/cipolleschi))
+
+### Changed
+
+- **Font:** Enabled `enableFontScaleChangesUpdatingLayout` feature flag by default ([686d14f1d1](https://github.com/facebook/react-native/commit/686d14f1d16c2f02720104ddd395f7d27c908350) by [@j-piasecki](https://github.com/j-piasecki))
+- **Hermes:** Changed names of hermes binaries ([776fca1e7c](https://github.com/facebook/react-native/commit/776fca1e7c978a2d8f817d042836073e4dcb4e0e) by [@j-piasecki](https://github.com/j-piasecki))
+- **Metro:** Bump Metro to ^0.83.1 ([840fd6c83f](https://github.com/facebook/react-native/commit/840fd6c83f45326a796bf2823f8c2fa942aed06c) by [@robhogan](https://github.com/robhogan))
+- **React:** Bumped React to 19.1.1 ([ec5a98b1f5](https://github.com/facebook/react-native/commit/ec5a98b1f5c2137f5f6ff5f5f6706f20384c44df) by [@cipolleschi](https://github.com/cipolleschi))
+- **Runtime:** CDP backend now accepts `addBinding` and `removeBinding` methods earlier, before a Runtime exists. ([3271e57c75](https://github.com/facebook/react-native/commit/3271e57c751e7d1193c1e9f7b53e545231511b9d) by [@motiz88](https://github.com/motiz88))
+- **Typing:** Update types for Platform.version ([f6ba2dbf3b](https://github.com/facebook/react-native/commit/f6ba2dbf3b4c85da1a7f9079fd366a41b160fa69) by [@riteshshukla04](https://github.com/riteshshukla04))
+- **UIManager:** Avoid unnecessary copy of view props map in UIManager::updateShadowTree ([5b38bb4745](https://github.com/facebook/react-native/commit/5b38bb47457f853c2c3d5f275facbb9fbc150683) by [@zeyap](https://github.com/zeyap))
+
+#### Android specific
+
+- **AGP:** AGP to 8.12.0 ([742ef3d661](https://github.com/facebook/react-native/commit/742ef3d6615c8c1202e9f683e6127ac97d7a9e23) by [@cortinico](https://github.com/cortinico))
+- **DevSupportManager:** DevSupport `openDebugger()` methods now accept a `panel: String?` param. Frameworks directly implementing `DevSupportManager` will need to adjust call signatures. ([9dba7112cf](https://github.com/facebook/react-native/commit/9dba7112cfd09b02300869a77dba3dca16f49a28) by [@huntie](https://github.com/huntie))
+- **Kotlin:**Migrated TextAttributeProps to Kotlin. You might need to update your property access to use camelCase instead of Hungarian notation. ([fa921b3c7b](https://github.com/facebook/react-native/commit/fa921b3c7b289800a79196468f993a0eb0bf693f) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrated ReactBaseTextShadowNode to Kotlin. You might need to update your property access to use camelCase instead of Hungarian notation. ([8ccfff9a46](https://github.com/facebook/react-native/commit/8ccfff9a46f317fd78f478c8b3f180441535d1ca) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrated com.facebook.react.bridge.Arguments to Kotlin. ([2534aeaddb](https://github.com/facebook/react-native/commit/2534aeaddb0490b69dfaba6b8d316616c7e10a9c) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaConfig` to Kotlin ([4d5caef76b](https://github.com/facebook/react-native/commit/4d5caef76b83eb7e983364ecc81abb6027e5f98e) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaValue` to Kotlin ([4340dcbae8](https://github.com/facebook/react-native/commit/4340dcbae8fc41cde844e805a1ebfc23d23d164f) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaNative` to Kotlin ([bc54a06fcb](https://github.com/facebook/react-native/commit/bc54a06fcb5b5d1efd8996d8568733b657fc1b06) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaConfigFactory` to Kotlin ([33ca53d9db](https://github.com/facebook/react-native/commit/33ca53d9dbe53b92d65f82dbd53a2e9f23efd4f3) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `DoNotStrip` to Kotlin ([35d8086881](https://github.com/facebook/react-native/commit/35d8086881fac643b0ebc0d53aaf7e79b7ccd830) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaLayoutType` to Kotlin ([7e461003c6](https://github.com/facebook/react-native/commit/7e461003c6592c8c539960bd5e8169c48dd27f50) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `LayoutPassReason` to Kotlin ([db2a9c089c](https://github.com/facebook/react-native/commit/db2a9c089cd5802d99e0fc86e4dc0dbf7c888307) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaNodeFactory` to Kotlin ([40afa75a7c](https://github.com/facebook/react-native/commit/40afa75a7c816a5581223c7bcd1b65b8713edf47) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaMeasureOutput` to Kotlin ([453508ada8](https://github.com/facebook/react-native/commit/453508ada837554455733e3ca94440a7143f51b1) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaMeasureFunction` to Kotlin ([05eddd354e](https://github.com/facebook/react-native/commit/05eddd354e2e80ad3c95ed5a2199a59a77317891) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaStyleInputs` to Kotlin ([001736000f](https://github.com/facebook/react-native/commit/001736000f69ce98db86c17707408bbf3f0ae9a5) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaBaselineFunction` to Kotlin ([a2eb3b299d](https://github.com/facebook/react-native/commit/a2eb3b299dddea60c510821b662dfed55b334df7) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **Kotlin:** Migrate `YogaLogger` to Kotlin ([9c9a39b58e](https://github.com/facebook/react-native/commit/9c9a39b58e12bc734c27a5d9306e792b0dcaf927) by [@mateoguzmana](https://github.com/mateoguzmana))
+- **OnBatchCompleteListener:** Make OnBatchCompleteListener interface internal ([046ff8e58b](https://github.com/facebook/react-native/commit/046ff8e58bed5da0f19adc860b327c7248b19f48) by [@cortinico](https://github.com/cortinico))
+- **ReactSurface:** Changed return type of ReactSurfaceImpl.view to ReactSurfaceView to align with parameter recived by ReactSurfaceImpl.attachView() ([41029d8e91](https://github.com/facebook/react-native/commit/41029d8e91492c34c377374b442b31755874618c) by [@mdvacca](https://github.com/mdvacca))
+- **TextAttributeProps:** Deprecate the field `TextAttributeProps.effectiveLineHeight`. This field was public but never used in OSS. ([ede037ade7](https://github.com/facebook/react-native/commit/ede037ade795bd44725f9bd82cace193a74aa68d) by [@cortinico](https://github.com/cortinico))
+- **ViewManagers:** Changed method arguments names for Core ViewManagers to match the names of ViewManagerInterfaces ([e7d9e0d197](https://github.com/facebook/react-native/commit/e7d9e0d1977c136a85b9a78ef36a258631d1e9ba) by [@mdvacca](https://github.com/mdvacca))
+
+### Deprecated
+
+- **StyleSheet:** `StyleSheet.absoluteFillObject` is deprecated in favor of `StyleSheet.absoluteFill` (equivalent). ([83e19813ff](https://github.com/facebook/react-native/commit/83e19813ff5498ab3497d97fe38dba63a5554425) by [@huntie](https://github.com/huntie))
+- Deprecate all the c++ classes not used by interop, or the new architecture. ([9539cd2626](https://github.com/facebook/react-native/commit/9539cd26261aef646379104833c7f719e3d83d02) by [@RSNara](https://github.com/RSNara))
+
+#### Android specific
+
+- **DevMenu:** Remove bridge mode string from React Native Dev Menu title ([1c838f32a9](https://github.com/facebook/react-native/commit/1c838f32a9bcee3867ec0502b344889308302f26) by [@sbuggay](https://github.com/sbuggay))
+- **New Architecture:** DefaultDevSupportManagerFactory.create() method used for Old Arch ([026e22bb8d](https://github.com/facebook/react-native/commit/026e22bb8d7b38b3bd66ffcc7d4ee446adfee943) by [@cortinico](https://github.com/cortinico))
+- **New Architecture:** Deprecate `BridgelessReactContext.getCatalystInstance()` method ([4583fbe052](https://github.com/facebook/react-native/commit/4583fbe052924df1ad030e51ad80e8d754a4c5a4) by [@cortinico](https://github.com/cortinico))
+- **New Architecture:** Deprecate legacy architecture classes ReactInstanceManager and ReactInstanceManagerBuilder, these classes will be deleted in a future release ([fb84932e48](https://github.com/facebook/react-native/commit/fb84932e4894a45c0a2725e1d665acdf7bcea435) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Depreacate `CoreModulesPackage` and `NativeModuleRegistryBuilder` legacy architecture classes, these classes unused in the new architecture and will be deleted in the future ([d3bbbd893a](https://github.com/facebook/react-native/commit/d3bbbd893acd500237ab4e1778c6a2e0fe1948a9) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate Legacy Architecture ViewManagers, these classes are not used as part of the new architecture and will be deleted in the future ([da74d5da2c](https://github.com/facebook/react-native/commit/da74d5da2cac5306e37368c65490c434e7ff9f4f) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate LegacyArchitecture ShadowNode classes included in React Native ([07091a9ae8](https://github.com/facebook/react-native/commit/07091a9ae8d70a601d969d9def4952563d3b7bcf) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Depreacte all LegacyArchitecture classes from the bridge package ([c1f7c5e321](https://github.com/facebook/react-native/commit/c1f7c5e3217a7e8a77a859652aadff2a41e3ea58) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate LegacyArchitecture class UIManagerProvider ([b29b86f275](https://github.com/facebook/react-native/commit/b29b86f27553eac50daa18ffb6bca07be3f24f25) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate BridgeDevSupportManager and JSInstance ([25c011eb4d](https://github.com/facebook/react-native/commit/25c011eb4d403040b57e338bec704769de20793c) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate NativeModuleRegistry Legacy Architecture class ([22e4c25211](https://github.com/facebook/react-native/commit/22e4c252116da1a6658b15a84720e0ee314dddd6) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate subset of LegacyArchitecture classes in com/facebook/react/bridge ([78a3ff81eb](https://github.com/facebook/react-native/commit/78a3ff81eb38ae26fb15106580de841477897101) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate LegacyArchitecture class FrescoBasedReactTextInlineImageShadowNode ([25f466cc4d](https://github.com/facebook/react-native/commit/25f466cc4dd28c962b967475c04c284d26efb722) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate Legacy Architecture class CallbackImpl ([718126fcf0](https://github.com/facebook/react-native/commit/718126fcf0296969ee659c31fae51b4317c896d3) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate LegacyArchitecture class JavaMethodWrapper ([19a99dd088](https://github.com/facebook/react-native/commit/19a99dd0882d786daea3db486fd3aed3c10419b5) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate Legacy Architecture ShadowNode classes ([c4715886a9](https://github.com/facebook/react-native/commit/c4715886a917eb3eb63aab366de5225090dff5a1) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate LegacyArchitecture UIManagerModules class ([85610c8b43](https://github.com/facebook/react-native/commit/85610c8b43ea132154cddcfed973ee6ceb3e55b3) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate LegacyArchitecture classes from com/facebook/react/uimanager ([7f5b2b8f84](https://github.com/facebook/react-native/commit/7f5b2b8f84d7941891a447978c6adc17929ef87f) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate LegacyArchitecture classes from package com.facebook.react.uimanager ([39d24bade3](https://github.com/facebook/react-native/commit/39d24bade317920544a3715e3a1f131663d8cded) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** Deprecate LegacyArchitecture classes from LayoutAnimation package ([f67078df07](https://github.com/facebook/react-native/commit/f67078df07b6c9ad995eb43ff47fc4a43bb2eaee) by [@mdvacca](https://github.com/mdvacca))
+- **New Architecture:** ReactPackageLogger is not supported in the new architecture and being deprecated ([65671108f6](https://github.com/facebook/react-native/commit/65671108f69d9b23a011841102e4141293581d9c) by [@mdvacca](https://github.com/mdvacca))
+
+#### iOS specific
+
+- **DevMenu:** Remove bridge mode title and description from React Native Dev Menu title ([775daf5972](https://github.com/facebook/react-native/commit/775daf597280db94354ed484f2ce81690f1eb7b0) by [@sbuggay](https://github.com/sbuggay))
+- **New Architecture:** Deprecate all the objc classes not used by interop, or the new architecture. ([70f53ac4ea](https://github.com/facebook/react-native/commit/70f53ac4ea144020560906f5931e480ed4dee87c) by [@RSNara](https://github.com/RSNara))
+
+### Removed
+
+- **New Architecture:** Core: Remove legacy components ([9c8a4c2297](https://github.com/facebook/react-native/commit/9c8a4c22973c7ce6fcf6b5d22c6d5fd4c6dc0d92) by [@RSNara](https://github.com/RSNara))
+
+#### Android specific
+
+- **DefaultReactHost:** Delete unused `DefaultReactHost.getDefaultReactHost()` overload ([d35ddb5e59](https://github.com/facebook/react-native/commit/d35ddb5e59a8cb990dd61a154a8e15e9542f8b15) by [@cortinico](https://github.com/cortinico))
+- **DefaultReactHost:** Remove deprecated DefaultReactHost.getDefaultReactHost() overload - part 2 ([bda6acf3b0](https://github.com/facebook/react-native/commit/bda6acf3b08779c0dae7bdadbc9913eea79acd0d) by [@cortinico](https://github.com/cortinico))
+- **DefaultReactHost:** Remove deprecated DefaultReactHost.getDefaultReactHost() overload - part 1 ([474f455a75](https://github.com/facebook/react-native/commit/474f455a7591049382da0d0308ddd21589f0cc7e) by [@cortinico](https://github.com/cortinico))
+- **Inspector:** Removed unused `Inspector` public class from React Android ([cf528526cc](https://github.com/facebook/react-native/commit/cf528526cc375f1003125cf63f66fbd88790ceae) by [@cortinico](https://github.com/cortinico))
+- **JSONArguments:** Remove the `com.facebook.react.bridge.JSONArguments` class ([04ae15d99b](https://github.com/facebook/react-native/commit/04ae15d99bb2ee6f7987bbe8c3d7acfdd46a482f) by [@cortinico](https://github.com/cortinico))
+- **MessageQueueThreadPerfStats:** Deprecated MessageQueueThreadPerfStats API and replaced with stub. ([3bf5cb3d0e](https://github.com/facebook/react-native/commit/3bf5cb3d0e7d9d1749ef19a8392b9bbd3ec7ab7d) by [@javache](https://github.com/javache))
+
+### Fixed
+
+- **Accessibility:** Fix for setting the default value for accessibility props ([586f5ba89c](https://github.com/facebook/react-native/commit/586f5ba89cc20a81a9e2d5d0f2708e9cd1b440c0) by Vineeth K)
+- **Accessibility:** `aria-hidden` support for `Text`, non-editable `TextInput` and `Image` ([0f39fc3000](https://github.com/facebook/react-native/commit/0f39fc3000411a43711814e0ab9cca1f7093b625) by [@mdjastrzebski](https://github.com/mdjastrzebski))
+- **Build:** Fixed babel plugin validation error when coverage instrumentation is enabled ([191ddc1ec7](https://github.com/facebook/react-native/commit/191ddc1ec72be6641ebb8b9cb729cf0e142fff55) by Umar Mohammad)
+- **Casting:** Casting rawValue to int was incorrectly truncating ([31b9f10364](https://github.com/facebook/react-native/commit/31b9f103645e67586bdfc5c2f590c28c04ca3871) by [@javache](https://github.com/javache))
+- **Codegen:** Help Codegen find library's package.json if some libraries using `exports` field in their package.json file and the `./package.json` subpath is not explicitly defined ([739dfd2141](https://github.com/facebook/react-native/commit/739dfd2141015a8126448bda64a559f5bf22672e) by [@RakaDoank](https://github.com/RakaDoank))
+- **Hermes:** Change leftover references to `hermes.framework` to `hermesvm.framework` ([7f051c5470](https://github.com/facebook/react-native/commit/7f051c54701b3585f76f63846abbf7e68e2688d2) by [@j-piasecki](https://github.com/j-piasecki))
+- **Performance Panel:** Fix typo in Performance.js type checking condition ([6caf2dfa38](https://github.com/facebook/react-native/commit/6caf2dfa382fd4f1184b8d21b030c36687a256e4) by [@YangJonghun](https://github.com/YangJonghun))
+- **Performance Panel:** Add default cases to switch statements in headers ([323fe3a5d4](https://github.com/facebook/react-native/commit/323fe3a5d471ae5a2f94d5c2bd13cc97feffe0a5) by [@NSProgrammer](https://github.com/NSProgrammer))
+- **ReactCommon:** Bring back ContextContainer::Shared = std::shared_ptr<const ContextContainer> alias ([daeb6e99ab](https://github.com/facebook/react-native/commit/daeb6e99abbca2b6395a9a703d2b0bb9e5091fb7) by [@christophpurrer](https://github.com/christophpurrer))
+- **ReactCommon:** Bring back SharedImageManager = std::shared_ptr<ImageManager> alias ([4718b35259](https://github.com/facebook/react-native/commit/4718b35259135b3503033a0061ae84e15d4eb450) by [@christophpurrer](https://github.com/christophpurrer))
+- **ReactCommon:** Fixed Type Conversion Error in DynamicEventPayload ([ff38d59cff](https://github.com/facebook/react-native/commit/ff38d59cff92e0a50f0dd70384fbc4dd11d969c4) by Harini Malothu)
+- **ReactCommon:** Fixed Type Conversion Error in CSSHexColor ([2ca88a0069](https://github.com/facebook/react-native/commit/2ca88a0069969bf115da6f0ea9f2fbbae9c9226c) by [@anupriya13](https://github.com/anupriya13))
+- **TestCallInvoker:** Fix memory leak in TestCallInvoker ([9f2fbc23e4](https://github.com/facebook/react-native/commit/9f2fbc23e48af9be56b3729d514fbb3fff4ba376) by [@christophpurrer](https://github.com/christophpurrer))
+
+#### Android specific
+
+- **Accessability:** Stabilize custom accessibility action IDs to prevent "incompatible action" errors in TalkBack. ([626568f9a3](https://github.com/facebook/react-native/commit/626568f9a3f956a52f6c55df1dc3bc5cd017e353) by [@leg234-png](https://github.com/leg234-png))
+- **Determinism:** Turned off build IDs for native libraries, fixing issues with reproducibility ([4b8dbe7642](https://github.com/facebook/react-native/commit/4b8dbe7642be53d0ccfc68ca8c9b3f5e750a68c0) by [@Rexogamer](https://github.com/Rexogamer))
+- **DevTools:** Fix stack trace linkifying failing when using Android emulator and other situations where the device and debugger have different bundle urls ([794df48ad6](https://github.com/facebook/react-native/commit/794df48ad6a259022e66de1a38ff54b5ec67c3e4) by [@vzaidman](https://github.com/vzaidman))
+- **Edge to Edge:** Fix `Dimensions` `window` values on Android < 15 when edge-to-edge is enabled ([3b185e4bce](https://github.com/facebook/react-native/commit/3b185e4bcef24e0689cccd4cf250d469b114d4da) by [@zoontek](https://github.com/zoontek))
+- **Fonts:** Update font scale when recreating `RootView` ([5cda3065ce](https://github.com/facebook/react-native/commit/5cda3065ce635460a7458cbab5c10e24bea3bfe2) by [@j-piasecki](https://github.com/j-piasecki))
+- **Fonts:** Fix incorrect positioning of inline view at the end of string when RTL text in LTR container ([7f224941bb](https://github.com/facebook/react-native/commit/7f224941bb807919b487d8e1634dd2124f9258b8) by [@NickGerleman](https://github.com/NickGerleman))
+- **Locale:** Use the first available locale instead of the default one to decide `isDevicePreferredLanguageRTL` ([a03780d279](https://github.com/facebook/react-native/commit/a03780d279d0944e0dcbbf5a93680775006598b0) by Kaining Zhong)
+- **New Architecture:** Correctly account for insets on first render of Modals on New Arch ([2e76fc8e8e](https://github.com/facebook/react-native/commit/2e76fc8e8ea01fbce5bd131f675364e688f49088) by [@cortinico](https://github.com/cortinico))
+- **Performance:** Fix mounting is very slow on Android by shipping native transform optimizations ([c557311ed8](https://github.com/facebook/react-native/commit/c557311ed836cded8548c5bca32f3eded0abc7ff) by [@cortinico](https://github.com/cortinico))
+- **Scroll:** Fixed an issue where shadow tree and native tree layouts mismatch at the end of a scroll event ([1828c53f85](https://github.com/facebook/react-native/commit/1828c53f85faf599a485b3859f8b62586696265f) by [@Abbondanzo](https://github.com/Abbondanzo))
+- **Start up:** Fix wrong default for `jsBundleAssetPath` on `DefaultReactHost` ([2246e2b82c](https://github.com/facebook/react-native/commit/2246e2b82cf0c433f9a9b385ea98e532c6f322c6) by [@cortinico](https://github.com/cortinico))
+
+#### iOS specific
+
+- **Build:** Fixed using USE_FRAMEWORKS (static/dynamic) with precompiled binaries ([e723ca4d6b](https://github.com/facebook/react-native/commit/e723ca4d6b86d5a98449498395c700513ceba555) by [@chrfalch](https://github.com/chrfalch))
+- **Build:** Non-UTF8 crashes Info.plist local frameworks ([91e69b5d4c](https://github.com/facebook/react-native/commit/91e69b5d4c768278680a8d9ae979bc267624ce98) by [@philipheinser](https://github.com/philipheinser))
+- **Build:** Fixed variable naming error in `set_fast_float_config` method in `react_native_pods.rb` ([327057fad5](https://github.com/facebook/react-native/commit/327057fad5c78a95e6c039bfe380d78672e83a43) by [@eliotfallon213](https://github.com/eliotfallon213))
+- **Build:** Fix pure cocoapods dynamic framework build ([aa4555eaf1](https://github.com/facebook/react-native/commit/aa4555eaf1b6aab83660c600e867fa6c2da4128e) by [@cipolleschi](https://github.com/cipolleschi))
+- **Native Modules:** Fix concurrent calls into resolve/reject inside native modules ([dc879950d1](https://github.com/facebook/react-native/commit/dc879950d196dfd429229f1c4c8e743ef1799d11) by [@RSNara](https://github.com/RSNara))
+- **New Architecture:** Fix overriding (xc)framework Info.plist files with RCTNewArchEnabled field ([f84514a88b](https://github.com/facebook/react-native/commit/f84514a88be00f8dcae7972f84aa89d829392a58) by [@msynowski](https://github.com/msynowski))
+- **RCTPullToRefreshViewComponentView:** Properly initialize the `RCTPullToRefreshViewComponentView` ([27217e8bd6](https://github.com/facebook/react-native/commit/27217e8bd601757b5db6efc022db428b552a2aa4) by [@cipolleschi](https://github.com/cipolleschi))
+- **RCTReactNativeFactory:** Ask the delegate for `getModuleForClass` and `getModuleInstanceFromClass` ([85b47afb48](https://github.com/facebook/react-native/commit/85b47afb48e50b036d2c2c79a008f571d3bfcb43) by [@cipolleschi](https://github.com/cipolleschi))
+- **ScrollView:** Correctly propagate `ScrollView` props to `RefreshControl` ([09daad27ea](https://github.com/facebook/react-native/commit/09daad27ea22b83fab65176ea3c7f5f1488ba408) by [@cipolleschi](https://github.com/cipolleschi))
+- **ScrollView:** Make sure that `ScrollView` recycled refresh control have the right props setup. ([21b93d8d7d](https://github.com/facebook/react-native/commit/21b93d8d7d46a26f728df19764f85a8aebf318bb) by [@cipolleschi](https://github.com/cipolleschi))
+- **Switch:** Fixed a crash when rendering the `Switch` component ([28275a0f7b](https://github.com/facebook/react-native/commit/28275a0f7b182a215010d47fb841d9c2c36bb24c) by [@cipolleschi](https://github.com/cipolleschi))
+- **Text:** Fix selectable prop not working correctly ([f004cd39bc](https://github.com/facebook/react-native/commit/f004cd39bc4b632006085cbcf61df52bc5d25242) by [@iamAbhi-916](https://github.com/iamAbhi-916))
+- **TextInput:** Update TextInput recycling logic to clean up the `inputAccessoryView` dependency. ([eb08f54594](https://github.com/facebook/react-native/commit/eb08f545948de9e2eca91ab3cb7569670c553b15) by [@ArturKalach](https://github.com/ArturKalach))
+- **TextInput:** Fixed TextInput behavior when `maxLength={null}` is passed ([56ad53cb14](https://github.com/facebook/react-native/commit/56ad53cb14b5c842714fcf976b6ba81f68c140f2) by [@cipolleschi](https://github.com/cipolleschi))
+- **View:** Inline `View` alignment with `lineHeight` in Text ([6da351a5ed](https://github.com/facebook/react-native/commit/6da351a5ed80a10138a5558afcb380410c8a93c9) by [@intergalacticspacehighway](https://github.com/intergalacticspacehighway))
+
+### Security
+
+- **Network:** Fixed vulnerability on undici and on-headers ([dd00c9055a](https://github.com/facebook/react-native/commit/dd00c9055a8f0c9ceac1716385a8a9874f7a4c2e) by [@cipolleschi](https://github.com/cipolleschi))
+
 ## v0.81.1
 
 ### Added

packages/community-cli-plugin/src/utils/version.js

@@ -88,7 +88,6 @@ Diff: ${styleText(['dim', 'underline'], newVersion?.diffUrl ?? 'none')}
   }
 }
 
-// $FlowFixMe
 function isDiffPurgeEntry(data: Partial<DiffPurge>): data is DiffPurge {
   return (
     // $FlowFixMe[incompatible-type-guard]

packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/TaskConfiguration.kt

@@ -65,25 +65,26 @@ internal fun Project.configureReactTasks(variant: Variant, config: ReactExtensio
   if (!isDebuggableVariant) {
     val entryFileEnvVariable = System.getenv("ENTRY_FILE")
     val bundleTask =
-        tasks.register("createBundle${targetName}JsAndAssets", BundleHermesCTask::class.java) {
-          it.root.set(config.root)
-          it.nodeExecutableAndArgs.set(config.nodeExecutableAndArgs)
-          it.cliFile.set(cliFile)
-          it.bundleCommand.set(config.bundleCommand)
-          it.entryFile.set(detectedEntryFile(config, entryFileEnvVariable))
-          it.extraPackagerArgs.set(config.extraPackagerArgs)
-          it.bundleConfig.set(config.bundleConfig)
-          it.bundleAssetName.set(config.bundleAssetName)
-          it.jsBundleDir.set(jsBundleDir)
-          it.resourcesDir.set(resourcesDir)
-          it.hermesEnabled.set(isHermesEnabledInThisVariant)
-          it.minifyEnabled.set(!isHermesEnabledInThisVariant)
-          it.devEnabled.set(false)
-          it.jsIntermediateSourceMapsDir.set(jsIntermediateSourceMapsDir)
-          it.jsSourceMapsDir.set(jsSourceMapsDir)
-          it.hermesCommand.set(config.hermesCommand)
-          it.hermesFlags.set(config.hermesFlags)
-          it.reactNativeDir.set(config.reactNativeDir)
+        tasks.register("createBundle${targetName}JsAndAssets", BundleHermesCTask::class.java) { task
+          ->
+          task.root.set(config.root)
+          task.nodeExecutableAndArgs.set(config.nodeExecutableAndArgs)
+          task.cliFile.set(cliFile)
+          task.bundleCommand.set(config.bundleCommand)
+          task.entryFile.set(detectedEntryFile(config, entryFileEnvVariable))
+          task.extraPackagerArgs.set(config.extraPackagerArgs)
+          task.bundleConfig.set(config.bundleConfig)
+          task.bundleAssetName.set(config.bundleAssetName)
+          task.jsBundleDir.set(jsBundleDir)
+          task.resourcesDir.set(resourcesDir)
+          task.hermesEnabled.set(isHermesEnabledInThisVariant)
+          task.minifyEnabled.set(!isHermesEnabledInThisVariant)
+          task.devEnabled.set(false)
+          task.jsIntermediateSourceMapsDir.set(jsIntermediateSourceMapsDir)
+          task.jsSourceMapsDir.set(jsSourceMapsDir)
+          task.hermesCommand.set(config.hermesCommand)
+          task.hermesFlags.set(config.hermesFlags)
+          task.reactNativeDir.set(config.reactNativeDir)
         }
     variant.sources.res?.addGeneratedSourceDirectory(bundleTask, BundleHermesCTask::resourcesDir)
     variant.sources.assets?.addGeneratedSourceDirectory(bundleTask, BundleHermesCTask::jsBundleDir)

packages/react-native/Libraries/Components/ScrollView/__tests__/ScrollView-viewCulling-itest.js

@@ -2607,3 +2607,35 @@ describe('horizontal ScrollView in RTL script', () => {
     ]);
   });
 });
+
+describe('Views with no layout', () => {
+  it('are not culled', () => {
+    const root = Fantom.createRoot({viewportWidth: 100, viewportHeight: 100});
+
+    Fantom.runTask(() => {
+      root.render(
+        <ScrollView style={{height: 100, width: 100}}>
+          <View nativeID={'viewWithLayout'} style={{height: 100, width: 100}} />
+          <View style={{height: 1000, width: 100}} />
+          <View
+            nativeID={'culledViewWithLayout'}
+            style={{height: 100, width: 100}}
+          />
+          <View nativeID={'viewWithoutLayout'} style={{height: 0, width: 0}} />
+        </ScrollView>,
+      );
+    });
+
+    expect(root.takeMountingManagerLogs()).toEqual([
+      'Update {type: "RootView", nativeID: (root)}',
+      'Create {type: "ScrollView", nativeID: (N/A)}',
+      'Create {type: "View", nativeID: (N/A)}',
+      'Create {type: "View", nativeID: "viewWithLayout"}',
+      'Create {type: "View", nativeID: "viewWithoutLayout"}',
+      'Insert {type: "View", parentNativeID: (N/A), index: 0, nativeID: "viewWithLayout"}',
+      'Insert {type: "View", parentNativeID: (N/A), index: 1, nativeID: "viewWithoutLayout"}',
+      'Insert {type: "View", parentNativeID: (N/A), index: 0, nativeID: (N/A)}',
+      'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
+    ]);
+  });
+});

packages/react-native/Libraries/Core/setUpPerformance.js

@@ -4,19 +4,17 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
- * @flow strict
+ * @flow strict-local
  * @format
  */
 
+import setUpPerformanceModern from '../../src/private/setup/setUpPerformanceModern';
 import NativePerformance from '../../src/private/webapis/performance/specs/NativePerformance';
 
 // In case if the native implementation of the Performance API is available, use it,
 // otherwise fall back to the legacy/default one, which only defines 'Performance.now()'
 if (NativePerformance) {
-  const Performance =
-    require('../../src/private/webapis/performance/Performance').default;
-  // $FlowExpectedError[cannot-write]
-  global.performance = new Performance();
+  setUpPerformanceModern();
 } else {
   if (!global.performance) {
     // $FlowExpectedError[cannot-write]

packages/react-native/Libraries/Lists/FlatList.js

@@ -13,8 +13,8 @@ import type {ViewStyleProp} from '../StyleSheet/StyleSheet';
 import type {
   ListRenderItem,
   ListRenderItemInfo,
+  ListViewToken,
   ViewabilityConfigCallbackPair,
-  ViewToken,
   VirtualizedListProps,
 } from '@react-native/virtualized-lists';
 
@@ -573,7 +573,7 @@ class FlatList<ItemT = any> extends React.PureComponent<FlatListProps<ItemT>> {
     return keyExtractor(items, index);
   };
 
-  _pushMultiColumnViewable(arr: Array<ViewToken>, v: ViewToken): void {
+  _pushMultiColumnViewable(arr: Array<ListViewToken>, v: ListViewToken): void {
     const numColumns = numColumnsOrDefault(this.props.numColumns);
     const keyExtractor = this.props.keyExtractor ?? defaultKeyExtractor;
     v.item.forEach((item, ii) => {
@@ -585,22 +585,22 @@ class FlatList<ItemT = any> extends React.PureComponent<FlatListProps<ItemT>> {
 
   _createOnViewableItemsChanged(
     onViewableItemsChanged: ?(info: {
-      viewableItems: Array<ViewToken>,
-      changed: Array<ViewToken>,
+      viewableItems: Array<ListViewToken>,
+      changed: Array<ListViewToken>,
       ...
     }) => void,
     // $FlowFixMe[missing-local-annot]
   ) {
     return (info: {
-      viewableItems: Array<ViewToken>,
-      changed: Array<ViewToken>,
+      viewableItems: Array<ListViewToken>,
+      changed: Array<ListViewToken>,
       ...
     }) => {
       const numColumns = numColumnsOrDefault(this.props.numColumns);
       if (onViewableItemsChanged) {
         if (numColumns > 1) {
-          const changed: Array<ViewToken> = [];
-          const viewableItems: Array<ViewToken> = [];
+          const changed: Array<ListViewToken> = [];
+          const viewableItems: Array<ListViewToken> = [];
           info.viewableItems.forEach(v =>
             this._pushMultiColumnViewable(viewableItems, v),
           );

packages/react-native/Libraries/Lists/ViewabilityHelper.js

@@ -11,7 +11,7 @@
 'use strict';
 
 export type {
-  ViewToken,
+  ListViewToken as ViewToken,
   ViewabilityConfig,
   ViewabilityConfigCallbackPair,
 } from '@react-native/virtualized-lists';

packages/react-native/Libraries/Lists/VirtualizedList.js

@@ -19,6 +19,7 @@ const VirtualizedListComponent: VirtualizedListType =
 export type {
   ListRenderItemInfo,
   ListRenderItem,
+  ListViewToken,
   Separators,
   VirtualizedListProps,
 } from '@react-native/virtualized-lists';

packages/react-native/Libraries/Lists/__flowtests__/SectionList-flowtest.js

@@ -102,7 +102,6 @@ export function testBadSectionsShape(): React.MixedElement {
       ],
     },
   ];
-  // $FlowExpectedError - section missing `data` field
   return <SectionList renderItem={renderMyListItem} sections={sections} />;
 }
 

packages/react-native/Libraries/Network/XMLHttpRequest.js

@@ -649,8 +649,6 @@ class XMLHttpRequest extends EventTarget {
         this._url,
         this._headers,
         data,
-        /* $FlowFixMe(>=0.78.0 site=react_native_android_fb) This issue was found
-         * when making Flow check .android.js files. */
         nativeResponseType,
         incrementalEvents,
         this.timeout,

packages/react-native/Libraries/StyleSheet/__flowtests__/StyleSheet-flowtest.js

@@ -41,11 +41,7 @@ export function testBadCompose() {
   (StyleSheet.compose(textStyle, textStyle): ImageStyleProp);
 
   // $FlowExpectedError[incompatible-type]  - Incompatible type.
-  (StyleSheet.compose(
-    // $FlowExpectedError - Incompatible type.
-    [textStyle],
-    null,
-  ): ImageStyleProp);
+  (StyleSheet.compose([textStyle], null): ImageStyleProp);
 
   // $FlowExpectedError[incompatible-type]  - Incompatible type.
   (StyleSheet.compose(

packages/react-native/React/Base/Surface/SurfaceHostingView/RCTSurfaceSizeMeasureMode.mm

@@ -18,17 +18,17 @@ void RCTSurfaceMinimumSizeAndMaximumSizeFromSizeAndSizeMeasureMode(
   *minimumSize = CGSizeZero;
   *maximumSize = CGSizeMake(CGFLOAT_MAX, CGFLOAT_MAX);
 
-  if (sizeMeasureMode & RCTSurfaceSizeMeasureModeWidthExact) {
+  if ((sizeMeasureMode & RCTSurfaceSizeMeasureModeWidthExact) != 0) {
     minimumSize->width = size.width;
     maximumSize->width = size.width;
-  } else if (sizeMeasureMode & RCTSurfaceSizeMeasureModeWidthAtMost) {
+  } else if ((sizeMeasureMode & RCTSurfaceSizeMeasureModeWidthAtMost) != 0) {
     maximumSize->width = size.width;
   }
 
-  if (sizeMeasureMode & RCTSurfaceSizeMeasureModeHeightExact) {
+  if ((sizeMeasureMode & RCTSurfaceSizeMeasureModeHeightExact) != 0) {
     minimumSize->height = size.height;
     maximumSize->height = size.height;
-  } else if (sizeMeasureMode & RCTSurfaceSizeMeasureModeHeightAtMost) {
+  } else if ((sizeMeasureMode & RCTSurfaceSizeMeasureModeHeightAtMost) != 0) {
     maximumSize->height = size.height;
   }
 }

packages/react-native/React/CoreModules/RCTActionSheetManager.mm

@@ -31,7 +31,7 @@ using namespace facebook::react;
 - (instancetype)init
 {
   self = [super init];
-  if (self) {
+  if (self != nullptr) {
     _alertControllers = [NSMutableArray new];
   }
   return self;
@@ -53,7 +53,7 @@ RCT_EXPORT_MODULE()
   alertController.modalPresentationStyle = UIModalPresentationPopover;
   UIView *sourceView = parentViewController.view;
 
-  if (anchorViewTag) {
+  if (anchorViewTag != nullptr) {
     sourceView = [self.viewRegistry_DEPRECATED viewForReactTag:anchorViewTag];
   } else {
     alertController.popoverPresentationController.permittedArrowDirections = 0;
@@ -166,12 +166,12 @@ RCT_EXPORT_METHOD(showActionSheetWithOptions
       index++;
     }
 
-    if (disabledButtonIndices) {
+    if (disabledButtonIndices != nullptr) {
       for (NSNumber *disabledButtonIndex in disabledButtonIndices) {
         if ([disabledButtonIndex integerValue] < buttons.count) {
           UIAlertAction *action = alertController.actions[[disabledButtonIndex integerValue]];
           [action setEnabled:false];
-          if (disabledButtonTintColor) {
+          if (disabledButtonTintColor != nullptr) {
             [action setValue:disabledButtonTintColor forKey:@"titleTextColor"];
           }
         } else {
@@ -235,14 +235,14 @@ RCT_EXPORT_METHOD(showShareActionSheetWithOptions
   UIColor *tintColor = [RCTConvert UIColor:options.tintColor() ? @(*options.tintColor()) : nil];
 
   dispatch_async(dispatch_get_main_queue(), ^{
-    if (message) {
+    if (message != nullptr) {
       [items addObject:message];
     }
-    if (URL) {
+    if (URL != nullptr) {
       if ([URL.scheme.lowercaseString isEqualToString:@"data"]) {
         NSError *error;
         NSData *data = [NSData dataWithContentsOfURL:URL options:(NSDataReadingOptions)0 error:&error];
-        if (!data) {
+        if (data == nullptr) {
           failureCallback(@[ RCTJSErrorFromNSError(error) ]);
           return;
         }
@@ -258,17 +258,17 @@ RCT_EXPORT_METHOD(showShareActionSheetWithOptions
 
     UIActivityViewController *shareController = [[UIActivityViewController alloc] initWithActivityItems:items
                                                                                   applicationActivities:nil];
-    if (subject) {
+    if (subject != nullptr) {
       [shareController setValue:subject forKey:@"subject"];
     }
-    if (excludedActivityTypes) {
+    if (excludedActivityTypes != nullptr) {
       shareController.excludedActivityTypes = excludedActivityTypes;
     }
 
     UIViewController *controller = RCTPresentedViewController();
     shareController.completionWithItemsHandler =
         ^(NSString *activityType, BOOL completed, __unused NSArray *returnedItems, NSError *activityError) {
-          if (activityError) {
+          if (activityError != nullptr) {
             failureCallback(@[ RCTJSErrorFromNSError(activityError) ]);
           } else if (completed || activityType == nil) {
             successCallback(@[ @(completed), RCTNullIfNil(activityType) ]);

packages/react-native/React/CoreModules/RCTAlertController.mm

@@ -20,9 +20,14 @@
 - (UIWindow *)alertWindow
 {
   if (_alertWindow == nil) {
-    _alertWindow = [[UIWindow alloc] initWithWindowScene:RCTKeyWindow().windowScene];
+    UIWindowScene *scene = RCTKeyWindow().windowScene;
+    if (scene != nil) {
+      _alertWindow = [[UIWindow alloc] initWithWindowScene:scene];
+    } else {
+      _alertWindow = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds];
+    }
 
-    if (_alertWindow) {
+    if (_alertWindow != nullptr) {
       _alertWindow.rootViewController = [UIViewController new];
       _alertWindow.windowLevel = UIWindowLevelAlert + 1;
     }
@@ -36,7 +41,7 @@
   UIUserInterfaceStyle style = self.overrideUserInterfaceStyle;
   if (style == UIUserInterfaceStyleUnspecified) {
     UIUserInterfaceStyle overriddenStyle = RCTKeyWindow().overrideUserInterfaceStyle;
-    style = overriddenStyle ? overriddenStyle : UIUserInterfaceStyleUnspecified;
+    style = (overriddenStyle != 0) ? overriddenStyle : UIUserInterfaceStyleUnspecified;
   }
 
   self.overrideUserInterfaceStyle = style;

packages/react-native/React/CoreModules/RCTAlertManager.mm

@@ -86,7 +86,7 @@ RCT_EXPORT_METHOD(alertWithArgs : (JS::NativeAlertManager::Args &)args callback
   UIKeyboardType keyboardType = [RCTConvert UIKeyboardType:args.keyboardType()];
   UIUserInterfaceStyle userInterfaceStyle = [RCTConvert UIUserInterfaceStyle:args.userInterfaceStyle()];
 
-  if (!title && !message) {
+  if ((title == nullptr) && (message == nullptr)) {
     RCTLogError(@"Must specify either an alert title, or message, or both");
     return;
   }
@@ -193,7 +193,7 @@ RCT_EXPORT_METHOD(alertWithArgs : (JS::NativeAlertManager::Args &)args callback
       }
     }
 
-    if (!self->_alertControllers) {
+    if (self->_alertControllers == nullptr) {
       self->_alertControllers = [NSHashTable weakObjectsHashTable];
     }
     [self->_alertControllers addObject:alertController];

packages/react-native/React/CoreModules/RCTDevMenu.mm

@@ -47,7 +47,7 @@ NSString *const RCTShowDevMenuNotification = @"RCTShowDevMenuNotification";
 
 - (instancetype)initWithTitleBlock:(RCTDevMenuItemTitleBlock)titleBlock handler:(dispatch_block_t)handler
 {
-  if ((self = [super init])) {
+  if ((self = [super init]) != nullptr) {
     _titleBlock = [titleBlock copy];
     _handler = [handler copy];
   }
@@ -72,14 +72,14 @@ RCT_NOT_IMPLEMENTED(-(instancetype)init)
 
 - (void)callHandler
 {
-  if (_handler) {
+  if (_handler != nullptr) {
     _handler();
   }
 }
 
 - (NSString *)title
 {
-  if (_titleBlock) {
+  if (_titleBlock != nullptr) {
     return _titleBlock();
   }
   return nil;
@@ -120,7 +120,7 @@ RCT_EXPORT_MODULE()
 
 - (instancetype)init
 {
-  if ((self = [super init])) {
+  if ((self = [super init]) != nullptr) {
     [[NSNotificationCenter defaultCenter] addObserver:self
                                              selector:@selector(showOnShake)
                                                  name:RCTShowDevMenuNotification
@@ -214,7 +214,7 @@ RCT_EXPORT_MODULE()
   if (_actionSheet.isBeingPresented || _actionSheet.beingDismissed) {
     return;
   }
-  if (_actionSheet) {
+  if (_actionSheet != nullptr) {
     [_actionSheet dismissViewControllerAnimated:YES
                                      completion:^(void) {
                                        self->_actionSheet = nil;
@@ -379,7 +379,7 @@ RCT_EXPORT_MODULE()
 
 RCT_EXPORT_METHOD(show)
 {
-  if (_actionSheet || RCTRunningInAppExtension()) {
+  if ((_actionSheet != nullptr) || RCTRunningInAppExtension()) {
     return;
   }
 
@@ -412,7 +412,7 @@ RCT_EXPORT_METHOD(show)
 - (RCTDevMenuAlertActionHandler)alertActionHandlerForDevItem:(RCTDevMenuItem *__nullable)item
 {
   return ^(__unused UIAlertAction *action) {
-    if (item) {
+    if (item != nullptr) {
       [item callHandler];
     }
 

packages/react-native/React/CoreModules/RCTEventDispatcher.mm

@@ -71,12 +71,14 @@ RCT_EXPORT_MODULE()
 {
   [_callableJSModules invokeModule:@"RCTNativeAppEventEmitter"
                             method:@"emit"
-                          withArgs:body ? @[ name, body ] : @[ name ]];
+                          withArgs:(body != nullptr) ? @[ name, body ] : @[ name ]];
 }
 
 - (void)sendDeviceEventWithName:(NSString *)name body:(id)body
 {
-  [_callableJSModules invokeModule:@"RCTDeviceEventEmitter" method:@"emit" withArgs:body ? @[ name, body ] : @[ name ]];
+  [_callableJSModules invokeModule:@"RCTDeviceEventEmitter"
+                            method:@"emit"
+                          withArgs:(body != nullptr) ? @[ name, body ] : @[ name ]];
 }
 
 - (void)sendTextEventWithType:(RCTTextEventType)type
@@ -91,13 +93,13 @@ RCT_EXPORT_MODULE()
     @"eventCount" : @(eventCount),
   }];
 
-  if (text) {
+  if (text != nullptr) {
     // We copy the string here because if it's a mutable string it may get released before we dispatch the event on a
     // different thread, causing a crash.
     body[@"text"] = [text copy];
   }
 
-  if (key) {
+  if (key != nullptr) {
     if (key.length == 0) {
       key = @"Backspace"; // backspace
     } else {
@@ -142,7 +144,7 @@ RCT_EXPORT_MODULE()
   if (event.canCoalesce) {
     eventID = RCTGetEventID(event.viewTag, event.eventName, event.coalescingKey);
     id<RCTEvent> previousEvent = _events[eventID];
-    if (previousEvent) {
+    if (previousEvent != nullptr) {
       event = [previousEvent coalesceWithEvent:event];
     } else {
       [_eventQueue addObject:eventID];
@@ -173,13 +175,13 @@ RCT_EXPORT_MODULE()
   [_eventQueueLock unlock];
 
   if (scheduleEventsDispatch) {
-    if (_bridge) {
+    if (_bridge != nullptr) {
       [_bridge
           dispatchBlock:^{
             [self flushEventsQueue];
           }
                   queue:RCTJSThread];
-    } else if (_dispatchToJSThread) {
+    } else if (_dispatchToJSThread != nullptr) {
       _dispatchToJSThread(^{
         [self flushEventsQueue];
       });
@@ -236,7 +238,7 @@ RCT_EXPORT_MODULE()
 {
   NSDictionary *userInfo = notification.userInfo;
   id<RCTEvent> event = [userInfo objectForKey:@"event"];
-  if (event) {
+  if (event != nullptr) {
     [self notifyObserversOfEvent:event];
   }
 }

packages/react-native/React/CoreModules/RCTExceptionsManager.mm

@@ -30,7 +30,7 @@ RCT_EXPORT_MODULE()
 
 - (instancetype)initWithDelegate:(id<RCTExceptionsManagerDelegate>)delegate
 {
-  if ((self = [self init])) {
+  if ((self = [self init]) != nullptr) {
     _delegate = delegate;
   }
   return self;
@@ -46,7 +46,7 @@ RCT_EXPORT_MODULE()
     [redbox showErrorMessage:message withStack:stack errorCookie:(int)exceptionId];
   }
 
-  if (_delegate) {
+  if (_delegate != nullptr) {
     [_delegate handleSoftJSExceptionWithMessage:message
                                           stack:stack
                                     exceptionId:[NSNumber numberWithDouble:exceptionId]
@@ -64,7 +64,7 @@ RCT_EXPORT_MODULE()
     [redbox showErrorMessage:message withStack:stack errorCookie:(int)exceptionId];
   }
 
-  if (_delegate) {
+  if (_delegate != nullptr) {
     [_delegate handleFatalJSExceptionWithMessage:message
                                            stack:stack
                                      exceptionId:[NSNumber numberWithDouble:exceptionId]
@@ -107,13 +107,13 @@ RCT_EXPORT_METHOD(reportException : (JS::NativeExceptionsManager::ExceptionData
 {
   NSMutableDictionary<NSString *, id> *mutableErrorData = [NSMutableDictionary new];
   mutableErrorData[@"message"] = data.message();
-  if (data.originalMessage()) {
+  if (data.originalMessage() != nullptr) {
     mutableErrorData[@"originalMessage"] = data.originalMessage();
   }
-  if (data.name()) {
+  if (data.name() != nullptr) {
     mutableErrorData[@"name"] = data.name();
   }
-  if (data.componentStack()) {
+  if (data.componentStack() != nullptr) {
     mutableErrorData[@"componentStack"] = data.componentStack();
   }
 
@@ -141,7 +141,7 @@ RCT_EXPORT_METHOD(reportException : (JS::NativeExceptionsManager::ExceptionData
   mutableErrorData[@"id"] = @(data.id_());
   mutableErrorData[@"isFatal"] = @(data.isFatal());
 
-  if (data.extraData()) {
+  if (data.extraData() != nullptr) {
     mutableErrorData[@"extraData"] = data.extraData();
   }
 

packages/react-native/React/CoreModules/RCTFPSGraph.mm

@@ -37,7 +37,7 @@
 
 - (instancetype)initWithFrame:(CGRect)frame color:(UIColor *)color
 {
-  if ((self = [super initWithFrame:frame])) {
+  if ((self = [super initWithFrame:frame]) != nullptr) {
     _frameCount = -1;
     _prevTime = -1;
     _maxFPS = 0;
@@ -64,7 +64,7 @@ RCT_NOT_IMPLEMENTED(-(instancetype)initWithCoder : (NSCoder *)aDecoder)
 
 - (CAShapeLayer *)graph
 {
-  if (!_graph) {
+  if (_graph == nullptr) {
     _graph = [CAShapeLayer new];
     _graph.frame = self.bounds;
     _graph.backgroundColor = [_color colorWithAlphaComponent:0.2].CGColor;
@@ -76,7 +76,7 @@ RCT_NOT_IMPLEMENTED(-(instancetype)initWithCoder : (NSCoder *)aDecoder)
 
 - (UILabel *)label
 {
-  if (!_label) {
+  if (_label == nullptr) {
     _label = [[UILabel alloc] initWithFrame:self.bounds];
     _label.font = [UIFont boldSystemFontOfSize:13];
     _label.textAlignment = NSTextAlignmentCenter;

packages/react-native/React/CoreModules/RCTLogBox.mm

@@ -45,23 +45,23 @@ RCT_EXPORT_METHOD(show)
     __weak RCTLogBox *weakSelf = self;
     dispatch_async(dispatch_get_main_queue(), ^{
       __strong RCTLogBox *strongSelf = weakSelf;
-      if (!strongSelf) {
+      if (strongSelf == nullptr) {
         return;
       }
 
-      if (strongSelf->_view) {
+      if (strongSelf->_view != nullptr) {
         [strongSelf->_view show];
         return;
       }
 
-      if (strongSelf->_bridgelessSurfacePresenter) {
+      if (strongSelf->_bridgelessSurfacePresenter != nullptr) {
         strongSelf->_view = [[RCTLogBoxView alloc] initWithWindow:RCTKeyWindow()
                                                  surfacePresenter:strongSelf->_bridgelessSurfacePresenter];
         [strongSelf->_view show];
       }
 #ifndef RCT_FIT_RM_OLD_RUNTIME
-      else if (strongSelf->_bridge && strongSelf->_bridge.valid) {
-        if (strongSelf->_bridge.surfacePresenter) {
+      else if ((strongSelf->_bridge != nullptr) && strongSelf->_bridge.valid) {
+        if (strongSelf->_bridge.surfacePresenter != nullptr) {
           strongSelf->_view = [[RCTLogBoxView alloc] initWithWindow:RCTKeyWindow()
                                                    surfacePresenter:strongSelf->_bridge.surfacePresenter];
         } else {
@@ -80,7 +80,7 @@ RCT_EXPORT_METHOD(hide)
     __weak RCTLogBox *weakSelf = self;
     dispatch_async(dispatch_get_main_queue(), ^{
       __strong RCTLogBox *strongSelf = weakSelf;
-      if (!strongSelf) {
+      if (strongSelf == nullptr) {
         return;
       }
       [strongSelf->_view setHidden:YES];

packages/react-native/React/CoreModules/RCTLogBoxView.mm

@@ -19,7 +19,7 @@
 
 - (instancetype)initWithFrame:(CGRect)frame
 {
-  if ((self = [super initWithFrame:frame])) {
+  if ((self = [super initWithFrame:frame]) != nullptr) {
     self.windowLevel = UIWindowLevelStatusBar - 1;
     self.backgroundColor = [UIColor clearColor];
   }

packages/react-native/React/CoreModules/RCTPerfMonitor.mm

@@ -134,7 +134,7 @@ RCT_EXPORT_MODULE()
 #if __has_include(<React/RCTDevMenu.h>)
 - (RCTDevMenuItem *)devMenuItem
 {
-  if (!_devMenuItem) {
+  if (_devMenuItem == nullptr) {
     __weak __typeof__(self) weakSelf = self;
     __weak RCTDevSettings *devSettings = [self->_moduleRegistry moduleForName:"DevSettings"];
     if (devSettings.isPerfMonitorShown) {
@@ -161,7 +161,7 @@ RCT_EXPORT_MODULE()
 
 - (UIPanGestureRecognizer *)gestureRecognizer
 {
-  if (!_gestureRecognizer) {
+  if (_gestureRecognizer == nullptr) {
     _gestureRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(gesture:)];
   }
 
@@ -170,7 +170,7 @@ RCT_EXPORT_MODULE()
 
 - (UIView *)container
 {
-  if (!_container) {
+  if (_container == nullptr) {
     UIEdgeInsets safeInsets = RCTKeyWindow().safeAreaInsets;
 
     _container =
@@ -188,7 +188,7 @@ RCT_EXPORT_MODULE()
 
 - (UILabel *)memory
 {
-  if (!_memory) {
+  if (_memory == nullptr) {
     _memory = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 44, RCTPerfMonitorBarHeight)];
     _memory.font = [UIFont systemFontOfSize:12];
     _memory.numberOfLines = 3;
@@ -200,7 +200,7 @@ RCT_EXPORT_MODULE()
 
 - (UILabel *)heap
 {
-  if (!_heap) {
+  if (_heap == nullptr) {
     _heap = [[UILabel alloc] initWithFrame:CGRectMake(44, 0, 44, RCTPerfMonitorBarHeight)];
     _heap.font = [UIFont systemFontOfSize:12];
     _heap.numberOfLines = 3;
@@ -212,7 +212,7 @@ RCT_EXPORT_MODULE()
 
 - (UILabel *)views
 {
-  if (!_views) {
+  if (_views == nullptr) {
     _views = [[UILabel alloc] initWithFrame:CGRectMake(88, 0, 44, RCTPerfMonitorBarHeight)];
     _views.font = [UIFont systemFontOfSize:12];
     _views.numberOfLines = 3;
@@ -224,7 +224,7 @@ RCT_EXPORT_MODULE()
 
 - (RCTFPSGraph *)uiGraph
 {
-  if (!_uiGraph) {
+  if (_uiGraph == nullptr) {
     _uiGraph = [[RCTFPSGraph alloc] initWithFrame:CGRectMake(134, 14, 40, 30) color:[UIColor lightGrayColor]];
   }
   return _uiGraph;
@@ -232,7 +232,7 @@ RCT_EXPORT_MODULE()
 
 - (RCTFPSGraph *)jsGraph
 {
-  if (!_jsGraph) {
+  if (_jsGraph == nullptr) {
     _jsGraph = [[RCTFPSGraph alloc] initWithFrame:CGRectMake(178, 14, 40, 30) color:[UIColor lightGrayColor]];
   }
   return _jsGraph;
@@ -240,7 +240,7 @@ RCT_EXPORT_MODULE()
 
 - (UILabel *)uiGraphLabel
 {
-  if (!_uiGraphLabel) {
+  if (_uiGraphLabel == nullptr) {
     _uiGraphLabel = [[UILabel alloc] initWithFrame:CGRectMake(134, 3, 40, 10)];
     _uiGraphLabel.font = [UIFont systemFontOfSize:11];
     _uiGraphLabel.textAlignment = NSTextAlignmentCenter;
@@ -252,7 +252,7 @@ RCT_EXPORT_MODULE()
 
 - (UILabel *)jsGraphLabel
 {
-  if (!_jsGraphLabel) {
+  if (_jsGraphLabel == nullptr) {
     _jsGraphLabel = [[UILabel alloc] initWithFrame:CGRectMake(178, 3, 38, 10)];
     _jsGraphLabel.font = [UIFont systemFontOfSize:11];
     _jsGraphLabel.textAlignment = NSTextAlignmentCenter;
@@ -264,7 +264,7 @@ RCT_EXPORT_MODULE()
 
 - (UITableView *)metrics
 {
-  if (!_metrics) {
+  if (_metrics == nullptr) {
     _metrics = [[UITableView alloc] initWithFrame:CGRectMake(
                                                       0,
                                                       RCTPerfMonitorBarHeight,
@@ -281,7 +281,7 @@ RCT_EXPORT_MODULE()
 
 - (void)show
 {
-  if (_container) {
+  if (_container != nullptr) {
     return;
   }
 
@@ -317,7 +317,7 @@ RCT_EXPORT_MODULE()
 
 - (void)hide
 {
-  if (!_container) {
+  if (_container == nullptr) {
     return;
   }
 
@@ -360,7 +360,7 @@ RCT_EXPORT_MODULE()
   dispatch_io_set_low_water(_io, 20);
 
   dispatch_io_read(_io, 0, SIZE_MAX, _queue, ^(__unused bool done, dispatch_data_t data, __unused int error) {
-    if (!data) {
+    if (data == nullptr) {
       return;
     }
 
@@ -391,7 +391,7 @@ RCT_EXPORT_MODULE()
     GCRegex = [NSRegularExpression regularExpressionWithPattern:pattern options:0 error:nil];
   });
 
-  if (_remaining) {
+  if (_remaining != nullptr) {
     log = [_remaining stringByAppendingString:log];
     _remaining = nil;
   }
@@ -404,7 +404,7 @@ RCT_EXPORT_MODULE()
 
   for (NSString *line in lines) {
     NSTextCheckingResult *match = [GCRegex firstMatchInString:line options:0 range:NSMakeRange(0, line.length)];
-    if (match) {
+    if (match != nullptr) {
       NSString *heapSizeStr = [line substringWithRange:[match rangeAtIndex:2]];
       _heapSize = [heapSizeStr integerValue];
     }
@@ -417,7 +417,7 @@ RCT_EXPORT_MODULE()
   NSUInteger viewCount = views.count;
   NSUInteger visibleViewCount = 0;
   for (UIView *view in views.allValues) {
-    if (view.window || view.superview.window) {
+    if ((view.window != nullptr) || (view.superview.window != nullptr)) {
       visibleViewCount++;
     }
   }
@@ -436,7 +436,7 @@ RCT_EXPORT_MODULE()
   __weak __typeof__(self) weakSelf = self;
   dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
     __strong __typeof__(weakSelf) strongSelf = weakSelf;
-    if (strongSelf && strongSelf->_container.superview) {
+    if ((strongSelf != nullptr) && (strongSelf->_container.superview != nullptr)) {
       [strongSelf updateStats];
     }
   });
@@ -512,7 +512,7 @@ RCT_EXPORT_MODULE()
   UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:RCTPerfMonitorCellIdentifier
                                                           forIndexPath:indexPath];
 
-  if (!cell) {
+  if (cell == nullptr) {
     cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
                                   reuseIdentifier:RCTPerfMonitorCellIdentifier];
   }

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/FabricUIManager.java

@@ -65,6 +65,7 @@ import com.facebook.react.fabric.mounting.mountitems.BatchMountItem;
 import com.facebook.react.fabric.mounting.mountitems.DispatchCommandMountItem;
 import com.facebook.react.fabric.mounting.mountitems.MountItem;
 import com.facebook.react.fabric.mounting.mountitems.MountItemFactory;
+import com.facebook.react.fabric.mounting.mountitems.PrefetchResourcesMountItem;
 import com.facebook.react.internal.featureflags.ReactNativeFeatureFlags;
 import com.facebook.react.internal.featureflags.ReactNativeNewArchitectureFeatureFlags;
 import com.facebook.react.internal.interop.InteropEventEmitter;
@@ -984,9 +985,17 @@ public class FabricUIManager
    * by an ImageView.
    */
   @UnstableReactNativeAPI
-  public void experimental_prefetchResources(String componentName, ReadableMapBuffer params) {
-    mMountingManager.experimental_prefetchResources(
-        mReactApplicationContext, componentName, params);
+  public void experimental_prefetchResources(
+      int surfaceId, String componentName, ReadableMapBuffer params) {
+    if (ReactNativeFeatureFlags.enableImagePrefetchingOnUiThreadAndroid()) {
+      mMountItemDispatcher.addMountItem(
+          new PrefetchResourcesMountItem(surfaceId, componentName, params));
+    } else {
+      SurfaceMountingManager surfaceMountingManager = mMountingManager.getSurfaceManager(surfaceId);
+      if (surfaceMountingManager != null) {
+        surfaceMountingManager.experimental_prefetchResources(surfaceId, componentName, params);
+      }
+    }
   }
 
   void setBinding(FabricUIManagerBinding binding) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/mounting/MountingManager.kt

@@ -19,8 +19,6 @@ import com.facebook.react.bridge.ReadableMap
 import com.facebook.react.bridge.RetryableMountingLayerException
 import com.facebook.react.bridge.UiThreadUtil.assertOnUiThread
 import com.facebook.react.bridge.WritableMap
-import com.facebook.react.common.annotations.UnstableReactNativeAPI
-import com.facebook.react.common.mapbuffer.MapBuffer
 import com.facebook.react.fabric.events.EventEmitterWrapper
 import com.facebook.react.fabric.mounting.mountitems.MountItem
 import com.facebook.react.touch.JSResponderHandler
@@ -325,27 +323,6 @@ internal class MountingManager(
               attachmentsPositions,
           )
 
-  /**
-   * This prefetch method is experimental, do not use it for production code. it will most likely
-   * change or be removed in the future.
-   *
-   * @param reactContext
-   * @param componentName
-   * @param params prefetch request params defined in C++
-   */
-  @Suppress("FunctionName")
-  @AnyThread
-  @UnstableReactNativeAPI
-  fun experimental_prefetchResources(
-      reactContext: ReactContext?,
-      componentName: String?,
-      params: MapBuffer?,
-  ) {
-    viewManagerRegistry
-        .get(checkNotNull(componentName))
-        .experimental_prefetchResources(reactContext, params)
-  }
-
   fun enqueuePendingEvent(
       surfaceId: Int,
       reactTag: Int,

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/mounting/SurfaceMountingManager.java

@@ -10,6 +10,7 @@ package com.facebook.react.fabric.mounting;
 import static com.facebook.infer.annotation.ThreadConfined.ANY;
 import static com.facebook.infer.annotation.ThreadConfined.UI;
 
+import android.annotation.SuppressLint;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewParent;
@@ -30,7 +31,9 @@ import com.facebook.react.bridge.RetryableMountingLayerException;
 import com.facebook.react.bridge.SoftAssertions;
 import com.facebook.react.bridge.UiThreadUtil;
 import com.facebook.react.bridge.WritableMap;
+import com.facebook.react.common.annotations.UnstableReactNativeAPI;
 import com.facebook.react.common.build.ReactBuildConfig;
+import com.facebook.react.common.mapbuffer.MapBuffer;
 import com.facebook.react.fabric.events.EventEmitterWrapper;
 import com.facebook.react.fabric.mounting.MountingManager.MountItemExecutor;
 import com.facebook.react.fabric.mounting.mountitems.MountItem;
@@ -696,6 +699,25 @@ public class SurfaceMountingManager {
         .updateProperties(view, viewState.mCurrentProps);
   }
 
+  /**
+   * This prefetch method is experimental, do not use it for production code. it will most likely
+   * change or be removed in the future.
+   *
+   * @param surfaceId surface ID
+   * @param componentName
+   * @param params prefetch request params defined in C++
+   */
+  @SuppressLint("FunctionName")
+  @AnyThread
+  @UnstableReactNativeAPI
+  public void experimental_prefetchResources(
+      int surfaceId, String componentName, MapBuffer params) {
+    mViewManagerRegistry
+        .get(componentName)
+        .experimental_prefetchResources(
+            surfaceId, Assertions.assertNotNull(mThemedReactContext), params);
+  }
+
   @Deprecated
   public void receiveCommand(int reactTag, int commandId, ReadableArray commandArgs) {
     if (isStopped()) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/fabric/mounting/mountitems/PrefetchResourcesMountItem.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.react.fabric.mounting.mountitems
+
+import com.facebook.react.common.annotations.FrameworkAPI
+import com.facebook.react.common.annotations.UnstableReactNativeAPI
+import com.facebook.react.common.mapbuffer.ReadableMapBuffer
+import com.facebook.react.fabric.mounting.MountingManager
+
+internal class PrefetchResourcesMountItem(
+    private val surfaceId: Int,
+    private val componentName: String,
+    private val params: ReadableMapBuffer,
+) : MountItem {
+
+  @OptIn(UnstableReactNativeAPI::class, FrameworkAPI::class)
+  override fun execute(mountingManager: MountingManager) {
+    mountingManager
+        .getSurfaceManager(surfaceId)
+        ?.experimental_prefetchResources(
+            surfaceId,
+            componentName,
+            params,
+        )
+  }
+
+  override fun getSurfaceId(): Int = surfaceId
+
+  override fun toString(): String = "PrefetchResourcesMountItem"
+}

packages/react-native/ReactAndroid/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<<34c12f5a31aab5bfb874953f1beefef1>>
+ * @generated SignedSource<<a59b42b84160c18d214f8b2be76bc743>>
  */
 
 /**
@@ -174,6 +174,12 @@ public object ReactNativeFeatureFlags {
   @JvmStatic
   public fun enableImagePrefetchingAndroid(): Boolean = accessor.enableImagePrefetchingAndroid()
 
+  /**
+   * When enabled, Android will initiate image prefetch requested on ImageShadowNode::layout on the UI thread
+   */
+  @JvmStatic
+  public fun enableImagePrefetchingOnUiThreadAndroid(): Boolean = accessor.enableImagePrefetchingOnUiThreadAndroid()
+
   /**
    * Dispatches state updates for content offset changes synchronously on the main thread.
    */
@@ -222,12 +228,6 @@ public object ReactNativeFeatureFlags {
   @JvmStatic
   public fun enableNetworkEventReporting(): Boolean = accessor.enableNetworkEventReporting()
 
-  /**
-   * Use BackgroundDrawable and BorderDrawable instead of CSSBackgroundDrawable
-   */
-  @JvmStatic
-  public fun enableNewBackgroundAndBorderDrawables(): Boolean = accessor.enableNewBackgroundAndBorderDrawables()
-
   /**
    * Enables caching text layout artifacts for later reuse
    */
@@ -336,12 +336,6 @@ public object ReactNativeFeatureFlags {
   @JvmStatic
   public fun preventShadowTreeCommitExhaustion(): Boolean = accessor.preventShadowTreeCommitExhaustion()
 
-  /**
-   * Releases the cached image data when it is consumed by the observers.
-   */
-  @JvmStatic
-  public fun releaseImageDataWhenConsumed(): Boolean = accessor.releaseImageDataWhenConsumed()
-
   /**
    * Function used to enable / disable Pressibility from using W3C Pointer Events for its hover callbacks
    */

packages/react-native/ReactAndroid/src/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<<392da016e0bf4193b72c44a508811e10>>
+ * @generated SignedSource<<37203dffb9421d1036aaeaeaa7319e28>>
  */
 
 /**
@@ -44,6 +44,7 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
   private var enableIOSTextBaselineOffsetPerLineCache: Boolean? = null
   private var enableIOSViewClipToPaddingBoxCache: Boolean? = null
   private var enableImagePrefetchingAndroidCache: Boolean? = null
+  private var enableImagePrefetchingOnUiThreadAndroidCache: Boolean? = null
   private var enableImmediateUpdateModeForContentOffsetChangesCache: Boolean? = null
   private var enableInteropViewManagerClassLookUpOptimizationIOSCache: Boolean? = null
   private var enableLayoutAnimationsOnAndroidCache: Boolean? = null
@@ -52,7 +53,6 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
   private var enableModuleArgumentNSNullConversionIOSCache: Boolean? = null
   private var enableNativeCSSParsingCache: Boolean? = null
   private var enableNetworkEventReportingCache: Boolean? = null
-  private var enableNewBackgroundAndBorderDrawablesCache: Boolean? = null
   private var enablePreparedTextLayoutCache: Boolean? = null
   private var enablePropsUpdateReconciliationAndroidCache: Boolean? = null
   private var enableResourceTimingAPICache: Boolean? = null
@@ -71,7 +71,6 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
   private var perfMonitorV2EnabledCache: Boolean? = null
   private var preparedTextCacheSizeCache: Double? = null
   private var preventShadowTreeCommitExhaustionCache: Boolean? = null
-  private var releaseImageDataWhenConsumedCache: Boolean? = null
   private var shouldPressibilityUseW3CPointerEventsForHoverCache: Boolean? = null
   private var skipActivityIdentityAssertionOnHostPauseCache: Boolean? = null
   private var sweepActiveTouchOnChildNativeGesturesAndroidCache: Boolean? = null
@@ -306,6 +305,15 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
     return cached
   }
 
+  override fun enableImagePrefetchingOnUiThreadAndroid(): Boolean {
+    var cached = enableImagePrefetchingOnUiThreadAndroidCache
+    if (cached == null) {
+      cached = ReactNativeFeatureFlagsCxxInterop.enableImagePrefetchingOnUiThreadAndroid()
+      enableImagePrefetchingOnUiThreadAndroidCache = cached
+    }
+    return cached
+  }
+
   override fun enableImmediateUpdateModeForContentOffsetChanges(): Boolean {
     var cached = enableImmediateUpdateModeForContentOffsetChangesCache
     if (cached == null) {
@@ -378,15 +386,6 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
     return cached
   }
 
-  override fun enableNewBackgroundAndBorderDrawables(): Boolean {
-    var cached = enableNewBackgroundAndBorderDrawablesCache
-    if (cached == null) {
-      cached = ReactNativeFeatureFlagsCxxInterop.enableNewBackgroundAndBorderDrawables()
-      enableNewBackgroundAndBorderDrawablesCache = cached
-    }
-    return cached
-  }
-
   override fun enablePreparedTextLayout(): Boolean {
     var cached = enablePreparedTextLayoutCache
     if (cached == null) {
@@ -549,15 +548,6 @@ internal class ReactNativeFeatureFlagsCxxAccessor : ReactNativeFeatureFlagsAcces
     return cached
   }
 
-  override fun releaseImageDataWhenConsumed(): Boolean {
-    var cached = releaseImageDataWhenConsumedCache
-    if (cached == null) {
-      cached = ReactNativeFeatureFlagsCxxInterop.releaseImageDataWhenConsumed()
-      releaseImageDataWhenConsumedCache = cached
-    }
-    return cached
-  }
-
   override fun shouldPressibilityUseW3CPointerEventsForHover(): Boolean {
     var cached = shouldPressibilityUseW3CPointerEventsForHoverCache
     if (cached == null) {

packages/react-native/ReactAndroid/src/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<<a0453230524ebca2bfb8fad656a6f54a>>
+ * @generated SignedSource<<9c0acc876e3205fe2ea181e71eb512c9>>
  */
 
 /**
@@ -76,6 +76,8 @@ public object ReactNativeFeatureFlagsCxxInterop {
 
   @DoNotStrip @JvmStatic public external fun enableImagePrefetchingAndroid(): Boolean
 
+  @DoNotStrip @JvmStatic public external fun enableImagePrefetchingOnUiThreadAndroid(): Boolean
+
   @DoNotStrip @JvmStatic public external fun enableImmediateUpdateModeForContentOffsetChanges(): Boolean
 
   @DoNotStrip @JvmStatic public external fun enableInteropViewManagerClassLookUpOptimizationIOS(): Boolean
@@ -92,8 +94,6 @@ public object ReactNativeFeatureFlagsCxxInterop {
 
   @DoNotStrip @JvmStatic public external fun enableNetworkEventReporting(): Boolean
 
-  @DoNotStrip @JvmStatic public external fun enableNewBackgroundAndBorderDrawables(): Boolean
-
   @DoNotStrip @JvmStatic public external fun enablePreparedTextLayout(): Boolean
 
   @DoNotStrip @JvmStatic public external fun enablePropsUpdateReconciliationAndroid(): Boolean
@@ -130,8 +130,6 @@ public object ReactNativeFeatureFlagsCxxInterop {
 
   @DoNotStrip @JvmStatic public external fun preventShadowTreeCommitExhaustion(): Boolean
 
-  @DoNotStrip @JvmStatic public external fun releaseImageDataWhenConsumed(): Boolean
-
   @DoNotStrip @JvmStatic public external fun shouldPressibilityUseW3CPointerEventsForHover(): Boolean
 
   @DoNotStrip @JvmStatic public external fun skipActivityIdentityAssertionOnHostPause(): Boolean

packages/react-native/ReactAndroid/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<<719706a983a073b6c286c49d993f7f80>>
+ * @generated SignedSource<<05bfed9fc7131062c8b16246986fc999>>
  */
 
 /**
@@ -71,6 +71,8 @@ public open class ReactNativeFeatureFlagsDefaults : ReactNativeFeatureFlagsProvi
 
   override fun enableImagePrefetchingAndroid(): Boolean = false
 
+  override fun enableImagePrefetchingOnUiThreadAndroid(): Boolean = false
+
   override fun enableImmediateUpdateModeForContentOffsetChanges(): Boolean = false
 
   override fun enableInteropViewManagerClassLookUpOptimizationIOS(): Boolean = false
@@ -87,8 +89,6 @@ public open class ReactNativeFeatureFlagsDefaults : ReactNativeFeatureFlagsProvi
 
   override fun enableNetworkEventReporting(): Boolean = false
 
-  override fun enableNewBackgroundAndBorderDrawables(): Boolean = true
-
   override fun enablePreparedTextLayout(): Boolean = false
 
   override fun enablePropsUpdateReconciliationAndroid(): Boolean = false
@@ -125,8 +125,6 @@ public open class ReactNativeFeatureFlagsDefaults : ReactNativeFeatureFlagsProvi
 
   override fun preventShadowTreeCommitExhaustion(): Boolean = false
 
-  override fun releaseImageDataWhenConsumed(): Boolean = false
-
   override fun shouldPressibilityUseW3CPointerEventsForHover(): Boolean = false
 
   override fun skipActivityIdentityAssertionOnHostPause(): Boolean = false

packages/react-native/ReactAndroid/src/main/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<<594815ba6a984c460ab8bddd91c5cae2>>
+ * @generated SignedSource<<9a18369464f81c3d03f2702716dfdb29>>
  */
 
 /**
@@ -48,6 +48,7 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
   private var enableIOSTextBaselineOffsetPerLineCache: Boolean? = null
   private var enableIOSViewClipToPaddingBoxCache: Boolean? = null
   private var enableImagePrefetchingAndroidCache: Boolean? = null
+  private var enableImagePrefetchingOnUiThreadAndroidCache: Boolean? = null
   private var enableImmediateUpdateModeForContentOffsetChangesCache: Boolean? = null
   private var enableInteropViewManagerClassLookUpOptimizationIOSCache: Boolean? = null
   private var enableLayoutAnimationsOnAndroidCache: Boolean? = null
@@ -56,7 +57,6 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
   private var enableModuleArgumentNSNullConversionIOSCache: Boolean? = null
   private var enableNativeCSSParsingCache: Boolean? = null
   private var enableNetworkEventReportingCache: Boolean? = null
-  private var enableNewBackgroundAndBorderDrawablesCache: Boolean? = null
   private var enablePreparedTextLayoutCache: Boolean? = null
   private var enablePropsUpdateReconciliationAndroidCache: Boolean? = null
   private var enableResourceTimingAPICache: Boolean? = null
@@ -75,7 +75,6 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
   private var perfMonitorV2EnabledCache: Boolean? = null
   private var preparedTextCacheSizeCache: Double? = null
   private var preventShadowTreeCommitExhaustionCache: Boolean? = null
-  private var releaseImageDataWhenConsumedCache: Boolean? = null
   private var shouldPressibilityUseW3CPointerEventsForHoverCache: Boolean? = null
   private var skipActivityIdentityAssertionOnHostPauseCache: Boolean? = null
   private var sweepActiveTouchOnChildNativeGesturesAndroidCache: Boolean? = null
@@ -334,6 +333,16 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
     return cached
   }
 
+  override fun enableImagePrefetchingOnUiThreadAndroid(): Boolean {
+    var cached = enableImagePrefetchingOnUiThreadAndroidCache
+    if (cached == null) {
+      cached = currentProvider.enableImagePrefetchingOnUiThreadAndroid()
+      accessedFeatureFlags.add("enableImagePrefetchingOnUiThreadAndroid")
+      enableImagePrefetchingOnUiThreadAndroidCache = cached
+    }
+    return cached
+  }
+
   override fun enableImmediateUpdateModeForContentOffsetChanges(): Boolean {
     var cached = enableImmediateUpdateModeForContentOffsetChangesCache
     if (cached == null) {
@@ -414,16 +423,6 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
     return cached
   }
 
-  override fun enableNewBackgroundAndBorderDrawables(): Boolean {
-    var cached = enableNewBackgroundAndBorderDrawablesCache
-    if (cached == null) {
-      cached = currentProvider.enableNewBackgroundAndBorderDrawables()
-      accessedFeatureFlags.add("enableNewBackgroundAndBorderDrawables")
-      enableNewBackgroundAndBorderDrawablesCache = cached
-    }
-    return cached
-  }
-
   override fun enablePreparedTextLayout(): Boolean {
     var cached = enablePreparedTextLayoutCache
     if (cached == null) {
@@ -604,16 +603,6 @@ internal class ReactNativeFeatureFlagsLocalAccessor : ReactNativeFeatureFlagsAcc
     return cached
   }
 
-  override fun releaseImageDataWhenConsumed(): Boolean {
-    var cached = releaseImageDataWhenConsumedCache
-    if (cached == null) {
-      cached = currentProvider.releaseImageDataWhenConsumed()
-      accessedFeatureFlags.add("releaseImageDataWhenConsumed")
-      releaseImageDataWhenConsumedCache = cached
-    }
-    return cached
-  }
-
   override fun shouldPressibilityUseW3CPointerEventsForHover(): Boolean {
     var cached = shouldPressibilityUseW3CPointerEventsForHoverCache
     if (cached == null) {

packages/react-native/ReactAndroid/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<<dfbd5e84392f1fda0e68324582c328b2>>
+ * @generated SignedSource<<845b2ee5edc9aedbdbd052d9a930f666>>
  */
 
 /**
@@ -71,6 +71,8 @@ public interface ReactNativeFeatureFlagsProvider {
 
   @DoNotStrip public fun enableImagePrefetchingAndroid(): Boolean
 
+  @DoNotStrip public fun enableImagePrefetchingOnUiThreadAndroid(): Boolean
+
   @DoNotStrip public fun enableImmediateUpdateModeForContentOffsetChanges(): Boolean
 
   @DoNotStrip public fun enableInteropViewManagerClassLookUpOptimizationIOS(): Boolean
@@ -87,8 +89,6 @@ public interface ReactNativeFeatureFlagsProvider {
 
   @DoNotStrip public fun enableNetworkEventReporting(): Boolean
 
-  @DoNotStrip public fun enableNewBackgroundAndBorderDrawables(): Boolean
-
   @DoNotStrip public fun enablePreparedTextLayout(): Boolean
 
   @DoNotStrip public fun enablePropsUpdateReconciliationAndroid(): Boolean
@@ -125,8 +125,6 @@ public interface ReactNativeFeatureFlagsProvider {
 
   @DoNotStrip public fun preventShadowTreeCommitExhaustion(): Boolean
 
-  @DoNotStrip public fun releaseImageDataWhenConsumed(): Boolean
-
   @DoNotStrip public fun shouldPressibilityUseW3CPointerEventsForHover(): Boolean
 
   @DoNotStrip public fun skipActivityIdentityAssertionOnHostPause(): Boolean

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/modules/image/ImageLoaderModule.kt

@@ -230,8 +230,8 @@ internal class ImageLoaderModule : NativeImageLoaderAndroidSpec, LifecycleEventL
           override fun doInBackgroundGuarded(vararg params: Void) {
             val result = buildReadableMap {
               val imagePipeline: ImagePipeline = this@ImageLoaderModule.imagePipeline
-              repeat(uris.size()) {
-                val uriString = uris.getString(it)
+              repeat(uris.size()) { index ->
+                val uriString = uris.getString(index)
                 if (!uriString.isNullOrEmpty()) {
                   val uri = Uri.parse(uriString)
                   if (imagePipeline.isInBitmapMemoryCache(uri)) {

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/BackgroundStyleApplicator.kt

@@ -19,14 +19,12 @@ import android.widget.ImageView
 import androidx.annotation.ColorInt
 import com.facebook.react.bridge.ReadableArray
 import com.facebook.react.common.annotations.UnstableReactNativeAPI
-import com.facebook.react.internal.featureflags.ReactNativeFeatureFlags
 import com.facebook.react.uimanager.PixelUtil.dpToPx
 import com.facebook.react.uimanager.PixelUtil.pxToDp
 import com.facebook.react.uimanager.common.UIManagerType
 import com.facebook.react.uimanager.common.ViewUtil
 import com.facebook.react.uimanager.drawable.BackgroundDrawable
 import com.facebook.react.uimanager.drawable.BorderDrawable
-import com.facebook.react.uimanager.drawable.CSSBackgroundDrawable
 import com.facebook.react.uimanager.drawable.CompositeBackgroundDrawable
 import com.facebook.react.uimanager.drawable.InsetBoxShadowDrawable
 import com.facebook.react.uimanager.drawable.MIN_INSET_BOX_SHADOW_SDK_VERSION
@@ -59,11 +57,7 @@ public object BackgroundStyleApplicator {
       return
     }
 
-    if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      ensureBackgroundDrawable(view).backgroundColor = color ?: Color.TRANSPARENT
-    } else {
-      ensureCSSBackground(view).color = color ?: Color.TRANSPARENT
-    }
+    ensureBackgroundDrawable(view).backgroundColor = color ?: Color.TRANSPARENT
   }
 
   @JvmStatic
@@ -71,21 +65,13 @@ public object BackgroundStyleApplicator {
       view: View,
       backgroundImageLayers: List<BackgroundImageLayer>?,
   ): Unit {
-    if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      ensureBackgroundDrawable(view).backgroundImageLayers = backgroundImageLayers
-    } else {
-      ensureCSSBackground(view).setBackgroundImage(backgroundImageLayers)
-    }
+    ensureBackgroundDrawable(view).backgroundImageLayers = backgroundImageLayers
   }
 
   @JvmStatic
   @ColorInt
   public fun getBackgroundColor(view: View): Int? {
-    return if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      getBackground(view)?.backgroundColor
-    } else {
-      getCSSBackground(view)?.color
-    }
+    return getBackground(view)?.backgroundColor
   }
 
   @JvmStatic
@@ -94,16 +80,12 @@ public object BackgroundStyleApplicator {
     composite.borderInsets = composite.borderInsets ?: BorderInsets()
     composite.borderInsets?.setBorderWidth(edge, width)
 
-    if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      ensureBorderDrawable(view).setBorderWidth(edge.toSpacingType(), width?.dpToPx() ?: Float.NaN)
-      composite.background?.borderInsets = composite.borderInsets
-      composite.border?.borderInsets = composite.borderInsets
+    ensureBorderDrawable(view).setBorderWidth(edge.toSpacingType(), width?.dpToPx() ?: Float.NaN)
+    composite.background?.borderInsets = composite.borderInsets
+    composite.border?.borderInsets = composite.borderInsets
 
-      composite.background?.invalidateSelf()
-      composite.border?.invalidateSelf()
-    } else {
-      ensureCSSBackground(view).setBorderWidth(edge.toSpacingType(), width?.dpToPx() ?: Float.NaN)
-    }
+    composite.background?.invalidateSelf()
+    composite.border?.invalidateSelf()
 
     composite.borderInsets = composite.borderInsets ?: BorderInsets()
     composite.borderInsets?.setBorderWidth(edge, width)
@@ -117,32 +99,23 @@ public object BackgroundStyleApplicator {
 
   @JvmStatic
   public fun getBorderWidth(view: View, edge: LogicalEdge): Float? {
-    return if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      val width = getBorder(view)?.borderWidth?.getRaw(edge.toSpacingType())
-      if (width == null || width.isNaN()) null else width.pxToDp()
+    val width = getBorder(view)?.borderWidth?.getRaw(edge.toSpacingType())
+    if (width == null || width.isNaN()) {
+      return null
     } else {
-      val width = getCSSBackground(view)?.getBorderWidth(edge.toSpacingType())
-      if (width == null || width.isNaN()) null else width.pxToDp()
+      return width.pxToDp()
     }
   }
 
   @JvmStatic
   public fun setBorderColor(view: View, edge: LogicalEdge, @ColorInt color: Int?): Unit {
-    if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      ensureBorderDrawable(view).setBorderColor(edge, color)
-    } else {
-      ensureCSSBackground(view).setBorderColor(edge.toSpacingType(), color)
-    }
+    ensureBorderDrawable(view).setBorderColor(edge, color)
   }
 
   @JvmStatic
   @ColorInt
   public fun getBorderColor(view: View, edge: LogicalEdge): Int? {
-    return if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      getBorder(view)?.getBorderColor(edge)
-    } else {
-      getCSSBackground(view)?.getBorderColor(edge.toSpacingType())
-    }
+    return getBorder(view)?.getBorderColor(edge)
   }
 
   @JvmStatic
@@ -156,19 +129,14 @@ public object BackgroundStyleApplicator {
         compositeBackgroundDrawable.borderRadius ?: BorderRadiusStyle()
     compositeBackgroundDrawable.borderRadius?.set(corner, radius)
 
-    if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      if (view is ImageView) {
-        ensureBackgroundDrawable(view)
-      }
-      compositeBackgroundDrawable.background?.borderRadius =
-          compositeBackgroundDrawable.borderRadius
-      compositeBackgroundDrawable.border?.borderRadius = compositeBackgroundDrawable.borderRadius
-
-      compositeBackgroundDrawable.background?.invalidateSelf()
-      compositeBackgroundDrawable.border?.invalidateSelf()
-    } else {
-      ensureCSSBackground(view).setBorderRadius(corner, radius)
+    if (view is ImageView) {
+      ensureBackgroundDrawable(view)
     }
+    compositeBackgroundDrawable.background?.borderRadius = compositeBackgroundDrawable.borderRadius
+    compositeBackgroundDrawable.border?.borderRadius = compositeBackgroundDrawable.borderRadius
+
+    compositeBackgroundDrawable.background?.invalidateSelf()
+    compositeBackgroundDrawable.border?.invalidateSelf()
 
     if (Build.VERSION.SDK_INT >= MIN_OUTSET_BOX_SHADOW_SDK_VERSION) {
       for (shadow in
@@ -191,29 +159,17 @@ public object BackgroundStyleApplicator {
   @JvmStatic
   public fun getBorderRadius(view: View, corner: BorderRadiusProp): LengthPercentage? {
 
-    return if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      getCompositeBackgroundDrawable(view)?.borderRadius?.get(corner)
-    } else {
-      getCSSBackground(view)?.borderRadius?.get(corner)
-    }
+    return getCompositeBackgroundDrawable(view)?.borderRadius?.get(corner)
   }
 
   @JvmStatic
   public fun setBorderStyle(view: View, borderStyle: BorderStyle?) {
-    if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      ensureBorderDrawable(view).borderStyle = borderStyle
-    } else {
-      ensureCSSBackground(view).borderStyle = borderStyle
-    }
+    ensureBorderDrawable(view).borderStyle = borderStyle
   }
 
   @JvmStatic
   public fun getBorderStyle(view: View): BorderStyle? {
-    return if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      getBorder(view)?.borderStyle
-    } else {
-      getCSSBackground(view)?.borderStyle
-    }
+    return getBorder(view)?.borderStyle
   }
 
   @JvmStatic
@@ -342,71 +298,44 @@ public object BackgroundStyleApplicator {
 
   @JvmStatic
   public fun setFeedbackUnderlay(view: View, drawable: Drawable?) {
-    if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-
-      ensureCompositeBackgroundDrawable(view).withNewFeedbackUnderlay(drawable)
-    } else {
-      view.background = ensureCompositeBackgroundDrawable(view).withNewFeedbackUnderlay(drawable)
-    }
+    ensureCompositeBackgroundDrawable(view).withNewFeedbackUnderlay(drawable)
   }
 
   @JvmStatic
   public fun clipToPaddingBox(view: View, canvas: Canvas) {
-    if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-      val drawingRect = Rect()
-      view.getDrawingRect(drawingRect)
+    val drawingRect = Rect()
+    view.getDrawingRect(drawingRect)
 
-      val composite = getCompositeBackgroundDrawable(view)
-      if (composite == null) {
-        canvas.clipRect(drawingRect)
-        return
-      }
+    val composite = getCompositeBackgroundDrawable(view)
+    if (composite == null) {
+      canvas.clipRect(drawingRect)
+      return
+    }
 
-      val paddingBoxRect = RectF()
+    val paddingBoxRect = RectF()
 
-      val computedBorderInsets =
-          composite.borderInsets?.resolve(composite.layoutDirection, view.context)
+    val computedBorderInsets =
+        composite.borderInsets?.resolve(composite.layoutDirection, view.context)
 
-      paddingBoxRect.left = composite.bounds.left + (computedBorderInsets?.left?.dpToPx() ?: 0f)
-      paddingBoxRect.top = composite.bounds.top + (computedBorderInsets?.top?.dpToPx() ?: 0f)
-      paddingBoxRect.right = composite.bounds.right - (computedBorderInsets?.right?.dpToPx() ?: 0f)
-      paddingBoxRect.bottom =
-          composite.bounds.bottom - (computedBorderInsets?.bottom?.dpToPx() ?: 0f)
+    paddingBoxRect.left = composite.bounds.left + (computedBorderInsets?.left?.dpToPx() ?: 0f)
+    paddingBoxRect.top = composite.bounds.top + (computedBorderInsets?.top?.dpToPx() ?: 0f)
+    paddingBoxRect.right = composite.bounds.right - (computedBorderInsets?.right?.dpToPx() ?: 0f)
+    paddingBoxRect.bottom = composite.bounds.bottom - (computedBorderInsets?.bottom?.dpToPx() ?: 0f)
 
-      if (composite.borderRadius?.hasRoundedBorders() == true) {
-        val paddingBoxPath =
-            createPaddingBoxPath(
-                view,
-                composite,
-                paddingBoxRect,
-                computedBorderInsets,
-            )
+    if (composite.borderRadius?.hasRoundedBorders() == true) {
+      val paddingBoxPath =
+          createPaddingBoxPath(
+              view,
+              composite,
+              paddingBoxRect,
+              computedBorderInsets,
+          )
 
-        paddingBoxPath.offset(drawingRect.left.toFloat(), drawingRect.top.toFloat())
-        canvas.clipPath(paddingBoxPath)
-      } else {
-        paddingBoxRect.offset(drawingRect.left.toFloat(), drawingRect.top.toFloat())
-        canvas.clipRect(paddingBoxRect)
-      }
+      paddingBoxPath.offset(drawingRect.left.toFloat(), drawingRect.top.toFloat())
+      canvas.clipPath(paddingBoxPath)
     } else {
-      val drawingRect = Rect()
-      view.getDrawingRect(drawingRect)
-
-      val cssBackground = getCSSBackground(view)
-      if (cssBackground == null) {
-        canvas.clipRect(drawingRect)
-        return
-      }
-
-      val paddingBoxPath = cssBackground.paddingBoxPath
-      if (paddingBoxPath != null) {
-        paddingBoxPath.offset(drawingRect.left.toFloat(), drawingRect.top.toFloat())
-        canvas.clipPath(paddingBoxPath)
-      } else {
-        val paddingBoxRect = cssBackground.paddingBoxRect
-        paddingBoxRect.offset(drawingRect.left.toFloat(), drawingRect.top.toFloat())
-        canvas.clipRect(paddingBoxRect)
-      }
+      paddingBoxRect.offset(drawingRect.left.toFloat(), drawingRect.top.toFloat())
+      canvas.clipRect(paddingBoxRect)
     }
   }
 
@@ -431,19 +360,6 @@ public object BackgroundStyleApplicator {
   private fun getCompositeBackgroundDrawable(view: View): CompositeBackgroundDrawable? =
       view.background as? CompositeBackgroundDrawable
 
-  private fun ensureCSSBackground(view: View): CSSBackgroundDrawable {
-    val compositeBackgroundDrawable = ensureCompositeBackgroundDrawable(view)
-    var cssBackground = compositeBackgroundDrawable.cssBackground
-
-    return if (cssBackground != null) {
-      return cssBackground
-    } else {
-      cssBackground = CSSBackgroundDrawable(view.context)
-      view.background = compositeBackgroundDrawable.withNewCssBackground(cssBackground)
-      cssBackground
-    }
-  }
-
   private fun ensureBackgroundDrawable(view: View): BackgroundDrawable {
     val compositeBackgroundDrawable = ensureCompositeBackgroundDrawable(view)
     var background = compositeBackgroundDrawable.background
@@ -462,9 +378,6 @@ public object BackgroundStyleApplicator {
     }
   }
 
-  private fun getCSSBackground(view: View): CSSBackgroundDrawable? =
-      getCompositeBackgroundDrawable(view)?.cssBackground
-
   private fun getBackground(view: View): BackgroundDrawable? =
       getCompositeBackgroundDrawable(view)?.background
 
@@ -492,12 +405,7 @@ public object BackgroundStyleApplicator {
     val compositeBackgroundDrawable = ensureCompositeBackgroundDrawable(view)
     var outline = compositeBackgroundDrawable.outline
     if (outline == null) {
-      val borderRadius =
-          if (ReactNativeFeatureFlags.enableNewBackgroundAndBorderDrawables()) {
-            compositeBackgroundDrawable.borderRadius
-          } else {
-            ensureCSSBackground(view).borderRadius
-          }
+      val borderRadius = compositeBackgroundDrawable.borderRadius
 
       outline =
           OutlineDrawable(

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewManager.java

@@ -487,11 +487,13 @@ public abstract class ViewManager<T extends View, C extends ReactShadowNode>
    * <p>Subclasses can override this method to implement custom resource prefetching for the
    * ViewManager.
    *
+   * @param surfaceId surface ID
    * @param reactContext {@link com.facebook.react.bridge.ReactContext} used for the view.
    * @param params {@link MapBuffer} prefetch request params defined in C++
    */
   @UnstableReactNativeAPI
-  public void experimental_prefetchResources(ReactContext reactContext, MapBuffer params) {
+  public void experimental_prefetchResources(
+      int surfaceId, ReactContext reactContext, MapBuffer params) {
     return;
   }
 

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/uimanager/drawable/CompositeBackgroundDrawable.kt

@@ -35,14 +35,6 @@ internal class CompositeBackgroundDrawable(
     /** Non-inset box shadows */
     val outerShadows: List<Drawable> = emptyList(),
 
-    /**
-     * CSS background layer and border rendering
-     *
-     * TODO: we should extract path logic from here, and fast-path to using simpler drawables like
-     *   ColorDrawable in the common cases
-     */
-    val cssBackground: CSSBackgroundDrawable? = null,
-
     /** Background rendering Layer */
     val background: BackgroundDrawable? = null,
 
@@ -68,7 +60,6 @@ internal class CompositeBackgroundDrawable(
         createLayersArray(
             originalBackground,
             outerShadows,
-            cssBackground,
             background,
             border,
             feedbackUnderlay,
@@ -84,28 +75,11 @@ internal class CompositeBackgroundDrawable(
     setPaddingMode(LayerDrawable.PADDING_MODE_STACK)
   }
 
-  fun withNewCssBackground(cssBackground: CSSBackgroundDrawable?): CompositeBackgroundDrawable {
-    return CompositeBackgroundDrawable(
-        context,
-        originalBackground,
-        outerShadows,
-        cssBackground,
-        background,
-        border,
-        feedbackUnderlay,
-        innerShadows,
-        outline,
-        borderInsets,
-        borderRadius,
-    )
-  }
-
   fun withNewBackground(background: BackgroundDrawable?): CompositeBackgroundDrawable {
     return CompositeBackgroundDrawable(
         context,
         originalBackground,
         outerShadows,
-        cssBackground,
         background,
         border,
         feedbackUnderlay,
@@ -124,7 +98,6 @@ internal class CompositeBackgroundDrawable(
         context,
         originalBackground,
         outerShadows,
-        cssBackground,
         background,
         border,
         feedbackUnderlay,
@@ -140,7 +113,6 @@ internal class CompositeBackgroundDrawable(
         context,
         originalBackground,
         outerShadows,
-        cssBackground,
         background,
         border,
         feedbackUnderlay,
@@ -156,7 +128,6 @@ internal class CompositeBackgroundDrawable(
         context,
         originalBackground,
         outerShadows,
-        cssBackground,
         background,
         border,
         feedbackUnderlay,
@@ -172,7 +143,6 @@ internal class CompositeBackgroundDrawable(
         context,
         originalBackground,
         outerShadows,
-        cssBackground,
         background,
         border,
         newUnderlay,
@@ -230,7 +200,6 @@ internal class CompositeBackgroundDrawable(
     private fun createLayersArray(
         originalBackground: Drawable?,
         outerShadows: List<Drawable>,
-        cssBackground: CSSBackgroundDrawable?,
         background: BackgroundDrawable?,
         border: BorderDrawable?,
         feedbackUnderlay: Drawable?,
@@ -240,7 +209,6 @@ internal class CompositeBackgroundDrawable(
       val layers = mutableListOf<Drawable?>()
       originalBackground?.let { layers.add(it) }
       layers.addAll(outerShadows.asReversed())
-      cssBackground?.let { layers.add(it) }
       background?.let { layers.add(it) }
       border?.let { layers.add(it) }
       feedbackUnderlay?.let { layers.add(it) }

packages/react-native/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<<16b12024bb363358ef09b9a42cb2fc97>>
+ * @generated SignedSource<<d1dda9d6cd1c0179472fcc0631e46fcd>>
  */
 
 /**
@@ -183,6 +183,12 @@ class ReactNativeFeatureFlagsJavaProvider
     return method(javaProvider_);
   }
 
+  bool enableImagePrefetchingOnUiThreadAndroid() override {
+    static const auto method =
+        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableImagePrefetchingOnUiThreadAndroid");
+    return method(javaProvider_);
+  }
+
   bool enableImmediateUpdateModeForContentOffsetChanges() override {
     static const auto method =
         getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableImmediateUpdateModeForContentOffsetChanges");
@@ -231,12 +237,6 @@ class ReactNativeFeatureFlagsJavaProvider
     return method(javaProvider_);
   }
 
-  bool enableNewBackgroundAndBorderDrawables() override {
-    static const auto method =
-        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enableNewBackgroundAndBorderDrawables");
-    return method(javaProvider_);
-  }
-
   bool enablePreparedTextLayout() override {
     static const auto method =
         getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("enablePreparedTextLayout");
@@ -345,12 +345,6 @@ class ReactNativeFeatureFlagsJavaProvider
     return method(javaProvider_);
   }
 
-  bool releaseImageDataWhenConsumed() override {
-    static const auto method =
-        getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("releaseImageDataWhenConsumed");
-    return method(javaProvider_);
-  }
-
   bool shouldPressibilityUseW3CPointerEventsForHover() override {
     static const auto method =
         getReactNativeFeatureFlagsProviderJavaClass()->getMethod<jboolean()>("shouldPressibilityUseW3CPointerEventsForHover");
@@ -577,6 +571,11 @@ bool JReactNativeFeatureFlagsCxxInterop::enableImagePrefetchingAndroid(
   return ReactNativeFeatureFlags::enableImagePrefetchingAndroid();
 }
 
+bool JReactNativeFeatureFlagsCxxInterop::enableImagePrefetchingOnUiThreadAndroid(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
+  return ReactNativeFeatureFlags::enableImagePrefetchingOnUiThreadAndroid();
+}
+
 bool JReactNativeFeatureFlagsCxxInterop::enableImmediateUpdateModeForContentOffsetChanges(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
   return ReactNativeFeatureFlags::enableImmediateUpdateModeForContentOffsetChanges();
@@ -617,11 +616,6 @@ bool JReactNativeFeatureFlagsCxxInterop::enableNetworkEventReporting(
   return ReactNativeFeatureFlags::enableNetworkEventReporting();
 }
 
-bool JReactNativeFeatureFlagsCxxInterop::enableNewBackgroundAndBorderDrawables(
-    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
-  return ReactNativeFeatureFlags::enableNewBackgroundAndBorderDrawables();
-}
-
 bool JReactNativeFeatureFlagsCxxInterop::enablePreparedTextLayout(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
   return ReactNativeFeatureFlags::enablePreparedTextLayout();
@@ -712,11 +706,6 @@ bool JReactNativeFeatureFlagsCxxInterop::preventShadowTreeCommitExhaustion(
   return ReactNativeFeatureFlags::preventShadowTreeCommitExhaustion();
 }
 
-bool JReactNativeFeatureFlagsCxxInterop::releaseImageDataWhenConsumed(
-    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
-  return ReactNativeFeatureFlags::releaseImageDataWhenConsumed();
-}
-
 bool JReactNativeFeatureFlagsCxxInterop::shouldPressibilityUseW3CPointerEventsForHover(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop> /*unused*/) {
   return ReactNativeFeatureFlags::shouldPressibilityUseW3CPointerEventsForHover();
@@ -905,6 +894,9 @@ void JReactNativeFeatureFlagsCxxInterop::registerNatives() {
       makeNativeMethod(
         "enableImagePrefetchingAndroid",
         JReactNativeFeatureFlagsCxxInterop::enableImagePrefetchingAndroid),
+      makeNativeMethod(
+        "enableImagePrefetchingOnUiThreadAndroid",
+        JReactNativeFeatureFlagsCxxInterop::enableImagePrefetchingOnUiThreadAndroid),
       makeNativeMethod(
         "enableImmediateUpdateModeForContentOffsetChanges",
         JReactNativeFeatureFlagsCxxInterop::enableImmediateUpdateModeForContentOffsetChanges),
@@ -929,9 +921,6 @@ void JReactNativeFeatureFlagsCxxInterop::registerNatives() {
       makeNativeMethod(
         "enableNetworkEventReporting",
         JReactNativeFeatureFlagsCxxInterop::enableNetworkEventReporting),
-      makeNativeMethod(
-        "enableNewBackgroundAndBorderDrawables",
-        JReactNativeFeatureFlagsCxxInterop::enableNewBackgroundAndBorderDrawables),
       makeNativeMethod(
         "enablePreparedTextLayout",
         JReactNativeFeatureFlagsCxxInterop::enablePreparedTextLayout),
@@ -986,9 +975,6 @@ void JReactNativeFeatureFlagsCxxInterop::registerNatives() {
       makeNativeMethod(
         "preventShadowTreeCommitExhaustion",
         JReactNativeFeatureFlagsCxxInterop::preventShadowTreeCommitExhaustion),
-      makeNativeMethod(
-        "releaseImageDataWhenConsumed",
-        JReactNativeFeatureFlagsCxxInterop::releaseImageDataWhenConsumed),
       makeNativeMethod(
         "shouldPressibilityUseW3CPointerEventsForHover",
         JReactNativeFeatureFlagsCxxInterop::shouldPressibilityUseW3CPointerEventsForHover),

packages/react-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<<54118ccd475a8bf1d7db83304b1f17d0>>
+ * @generated SignedSource<<31298767c1dd669d2a755e67edacc911>>
  */
 
 /**
@@ -102,6 +102,9 @@ class JReactNativeFeatureFlagsCxxInterop
   static bool enableImagePrefetchingAndroid(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
+  static bool enableImagePrefetchingOnUiThreadAndroid(
+    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
+
   static bool enableImmediateUpdateModeForContentOffsetChanges(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
@@ -126,9 +129,6 @@ class JReactNativeFeatureFlagsCxxInterop
   static bool enableNetworkEventReporting(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
-  static bool enableNewBackgroundAndBorderDrawables(
-    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
-
   static bool enablePreparedTextLayout(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
@@ -183,9 +183,6 @@ class JReactNativeFeatureFlagsCxxInterop
   static bool preventShadowTreeCommitExhaustion(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 
-  static bool releaseImageDataWhenConsumed(
-    facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
-
   static bool shouldPressibilityUseW3CPointerEventsForHover(
     facebook::jni::alias_ref<JReactNativeFeatureFlagsCxxInterop>);
 

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<<12a06ea04fc09c34f1fbdcbdf6046d81>>
+ * @generated SignedSource<<9a538d3ebb58173e7e4e34453b71454b>>
  */
 
 /**
@@ -122,6 +122,10 @@ bool ReactNativeFeatureFlags::enableImagePrefetchingAndroid() {
   return getAccessor().enableImagePrefetchingAndroid();
 }
 
+bool ReactNativeFeatureFlags::enableImagePrefetchingOnUiThreadAndroid() {
+  return getAccessor().enableImagePrefetchingOnUiThreadAndroid();
+}
+
 bool ReactNativeFeatureFlags::enableImmediateUpdateModeForContentOffsetChanges() {
   return getAccessor().enableImmediateUpdateModeForContentOffsetChanges();
 }
@@ -154,10 +158,6 @@ bool ReactNativeFeatureFlags::enableNetworkEventReporting() {
   return getAccessor().enableNetworkEventReporting();
 }
 
-bool ReactNativeFeatureFlags::enableNewBackgroundAndBorderDrawables() {
-  return getAccessor().enableNewBackgroundAndBorderDrawables();
-}
-
 bool ReactNativeFeatureFlags::enablePreparedTextLayout() {
   return getAccessor().enablePreparedTextLayout();
 }
@@ -230,10 +230,6 @@ bool ReactNativeFeatureFlags::preventShadowTreeCommitExhaustion() {
   return getAccessor().preventShadowTreeCommitExhaustion();
 }
 
-bool ReactNativeFeatureFlags::releaseImageDataWhenConsumed() {
-  return getAccessor().releaseImageDataWhenConsumed();
-}
-
 bool ReactNativeFeatureFlags::shouldPressibilityUseW3CPointerEventsForHover() {
   return getAccessor().shouldPressibilityUseW3CPointerEventsForHover();
 }

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<<eee81e4e9bb13ef5134d4e2d79876b38>>
+ * @generated SignedSource<<3321d357fe5c74fa42c2d0b15a744f87>>
  */
 
 /**
@@ -159,6 +159,11 @@ class ReactNativeFeatureFlags {
    */
   RN_EXPORT static bool enableImagePrefetchingAndroid();
 
+  /**
+   * When enabled, Android will initiate image prefetch requested on ImageShadowNode::layout on the UI thread
+   */
+  RN_EXPORT static bool enableImagePrefetchingOnUiThreadAndroid();
+
   /**
    * Dispatches state updates for content offset changes synchronously on the main thread.
    */
@@ -199,11 +204,6 @@ class ReactNativeFeatureFlags {
    */
   RN_EXPORT static bool enableNetworkEventReporting();
 
-  /**
-   * Use BackgroundDrawable and BorderDrawable instead of CSSBackgroundDrawable
-   */
-  RN_EXPORT static bool enableNewBackgroundAndBorderDrawables();
-
   /**
    * Enables caching text layout artifacts for later reuse
    */
@@ -294,11 +294,6 @@ class ReactNativeFeatureFlags {
    */
   RN_EXPORT static bool preventShadowTreeCommitExhaustion();
 
-  /**
-   * Releases the cached image data when it is consumed by the observers.
-   */
-  RN_EXPORT static bool releaseImageDataWhenConsumed();
-
   /**
    * Function used to enable / disable Pressibility from using W3C Pointer Events for its hover callbacks
    */

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlagsAccessor.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<<3c5588a851e6cdefaba22236c5ebb828>>
+ * @generated SignedSource<<041526548ef83b4afb12229a0345e29e>>
  */
 
 /**
@@ -461,6 +461,24 @@ bool ReactNativeFeatureFlagsAccessor::enableImagePrefetchingAndroid() {
   return flagValue.value();
 }
 
+bool ReactNativeFeatureFlagsAccessor::enableImagePrefetchingOnUiThreadAndroid() {
+  auto flagValue = enableImagePrefetchingOnUiThreadAndroid_.load();
+
+  if (!flagValue.has_value()) {
+    // This block is not exclusive but it is not necessary.
+    // If multiple threads try to initialize the feature flag, we would only
+    // be accessing the provider multiple times but the end state of this
+    // instance and the returned flag value would be the same.
+
+    markFlagAsAccessed(24, "enableImagePrefetchingOnUiThreadAndroid");
+
+    flagValue = currentProvider_->enableImagePrefetchingOnUiThreadAndroid();
+    enableImagePrefetchingOnUiThreadAndroid_ = flagValue;
+  }
+
+  return flagValue.value();
+}
+
 bool ReactNativeFeatureFlagsAccessor::enableImmediateUpdateModeForContentOffsetChanges() {
   auto flagValue = enableImmediateUpdateModeForContentOffsetChanges_.load();
 
@@ -470,7 +488,7 @@ bool ReactNativeFeatureFlagsAccessor::enableImmediateUpdateModeForContentOffsetC
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(24, "enableImmediateUpdateModeForContentOffsetChanges");
+    markFlagAsAccessed(25, "enableImmediateUpdateModeForContentOffsetChanges");
 
     flagValue = currentProvider_->enableImmediateUpdateModeForContentOffsetChanges();
     enableImmediateUpdateModeForContentOffsetChanges_ = flagValue;
@@ -488,7 +506,7 @@ bool ReactNativeFeatureFlagsAccessor::enableInteropViewManagerClassLookUpOptimiz
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(25, "enableInteropViewManagerClassLookUpOptimizationIOS");
+    markFlagAsAccessed(26, "enableInteropViewManagerClassLookUpOptimizationIOS");
 
     flagValue = currentProvider_->enableInteropViewManagerClassLookUpOptimizationIOS();
     enableInteropViewManagerClassLookUpOptimizationIOS_ = flagValue;
@@ -506,7 +524,7 @@ bool ReactNativeFeatureFlagsAccessor::enableLayoutAnimationsOnAndroid() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(26, "enableLayoutAnimationsOnAndroid");
+    markFlagAsAccessed(27, "enableLayoutAnimationsOnAndroid");
 
     flagValue = currentProvider_->enableLayoutAnimationsOnAndroid();
     enableLayoutAnimationsOnAndroid_ = flagValue;
@@ -524,7 +542,7 @@ bool ReactNativeFeatureFlagsAccessor::enableLayoutAnimationsOnIOS() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(27, "enableLayoutAnimationsOnIOS");
+    markFlagAsAccessed(28, "enableLayoutAnimationsOnIOS");
 
     flagValue = currentProvider_->enableLayoutAnimationsOnIOS();
     enableLayoutAnimationsOnIOS_ = flagValue;
@@ -542,7 +560,7 @@ bool ReactNativeFeatureFlagsAccessor::enableMainQueueCoordinatorOnIOS() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(28, "enableMainQueueCoordinatorOnIOS");
+    markFlagAsAccessed(29, "enableMainQueueCoordinatorOnIOS");
 
     flagValue = currentProvider_->enableMainQueueCoordinatorOnIOS();
     enableMainQueueCoordinatorOnIOS_ = flagValue;
@@ -560,7 +578,7 @@ bool ReactNativeFeatureFlagsAccessor::enableModuleArgumentNSNullConversionIOS()
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(29, "enableModuleArgumentNSNullConversionIOS");
+    markFlagAsAccessed(30, "enableModuleArgumentNSNullConversionIOS");
 
     flagValue = currentProvider_->enableModuleArgumentNSNullConversionIOS();
     enableModuleArgumentNSNullConversionIOS_ = flagValue;
@@ -578,7 +596,7 @@ bool ReactNativeFeatureFlagsAccessor::enableNativeCSSParsing() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(30, "enableNativeCSSParsing");
+    markFlagAsAccessed(31, "enableNativeCSSParsing");
 
     flagValue = currentProvider_->enableNativeCSSParsing();
     enableNativeCSSParsing_ = flagValue;
@@ -596,7 +614,7 @@ bool ReactNativeFeatureFlagsAccessor::enableNetworkEventReporting() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(31, "enableNetworkEventReporting");
+    markFlagAsAccessed(32, "enableNetworkEventReporting");
 
     flagValue = currentProvider_->enableNetworkEventReporting();
     enableNetworkEventReporting_ = flagValue;
@@ -605,24 +623,6 @@ bool ReactNativeFeatureFlagsAccessor::enableNetworkEventReporting() {
   return flagValue.value();
 }
 
-bool ReactNativeFeatureFlagsAccessor::enableNewBackgroundAndBorderDrawables() {
-  auto flagValue = enableNewBackgroundAndBorderDrawables_.load();
-
-  if (!flagValue.has_value()) {
-    // This block is not exclusive but it is not necessary.
-    // If multiple threads try to initialize the feature flag, we would only
-    // be accessing the provider multiple times but the end state of this
-    // instance and the returned flag value would be the same.
-
-    markFlagAsAccessed(32, "enableNewBackgroundAndBorderDrawables");
-
-    flagValue = currentProvider_->enableNewBackgroundAndBorderDrawables();
-    enableNewBackgroundAndBorderDrawables_ = flagValue;
-  }
-
-  return flagValue.value();
-}
-
 bool ReactNativeFeatureFlagsAccessor::enablePreparedTextLayout() {
   auto flagValue = enablePreparedTextLayout_.load();
 
@@ -947,24 +947,6 @@ bool ReactNativeFeatureFlagsAccessor::preventShadowTreeCommitExhaustion() {
   return flagValue.value();
 }
 
-bool ReactNativeFeatureFlagsAccessor::releaseImageDataWhenConsumed() {
-  auto flagValue = releaseImageDataWhenConsumed_.load();
-
-  if (!flagValue.has_value()) {
-    // This block is not exclusive but it is not necessary.
-    // If multiple threads try to initialize the feature flag, we would only
-    // be accessing the provider multiple times but the end state of this
-    // instance and the returned flag value would be the same.
-
-    markFlagAsAccessed(51, "releaseImageDataWhenConsumed");
-
-    flagValue = currentProvider_->releaseImageDataWhenConsumed();
-    releaseImageDataWhenConsumed_ = flagValue;
-  }
-
-  return flagValue.value();
-}
-
 bool ReactNativeFeatureFlagsAccessor::shouldPressibilityUseW3CPointerEventsForHover() {
   auto flagValue = shouldPressibilityUseW3CPointerEventsForHover_.load();
 
@@ -974,7 +956,7 @@ bool ReactNativeFeatureFlagsAccessor::shouldPressibilityUseW3CPointerEventsForHo
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(52, "shouldPressibilityUseW3CPointerEventsForHover");
+    markFlagAsAccessed(51, "shouldPressibilityUseW3CPointerEventsForHover");
 
     flagValue = currentProvider_->shouldPressibilityUseW3CPointerEventsForHover();
     shouldPressibilityUseW3CPointerEventsForHover_ = flagValue;
@@ -992,7 +974,7 @@ bool ReactNativeFeatureFlagsAccessor::skipActivityIdentityAssertionOnHostPause()
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(53, "skipActivityIdentityAssertionOnHostPause");
+    markFlagAsAccessed(52, "skipActivityIdentityAssertionOnHostPause");
 
     flagValue = currentProvider_->skipActivityIdentityAssertionOnHostPause();
     skipActivityIdentityAssertionOnHostPause_ = flagValue;
@@ -1010,7 +992,7 @@ bool ReactNativeFeatureFlagsAccessor::sweepActiveTouchOnChildNativeGesturesAndro
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(54, "sweepActiveTouchOnChildNativeGesturesAndroid");
+    markFlagAsAccessed(53, "sweepActiveTouchOnChildNativeGesturesAndroid");
 
     flagValue = currentProvider_->sweepActiveTouchOnChildNativeGesturesAndroid();
     sweepActiveTouchOnChildNativeGesturesAndroid_ = flagValue;
@@ -1028,7 +1010,7 @@ bool ReactNativeFeatureFlagsAccessor::traceTurboModulePromiseRejectionsOnAndroid
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(55, "traceTurboModulePromiseRejectionsOnAndroid");
+    markFlagAsAccessed(54, "traceTurboModulePromiseRejectionsOnAndroid");
 
     flagValue = currentProvider_->traceTurboModulePromiseRejectionsOnAndroid();
     traceTurboModulePromiseRejectionsOnAndroid_ = flagValue;
@@ -1046,7 +1028,7 @@ bool ReactNativeFeatureFlagsAccessor::updateRuntimeShadowNodeReferencesOnCommit(
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(56, "updateRuntimeShadowNodeReferencesOnCommit");
+    markFlagAsAccessed(55, "updateRuntimeShadowNodeReferencesOnCommit");
 
     flagValue = currentProvider_->updateRuntimeShadowNodeReferencesOnCommit();
     updateRuntimeShadowNodeReferencesOnCommit_ = flagValue;
@@ -1064,7 +1046,7 @@ bool ReactNativeFeatureFlagsAccessor::useAlwaysAvailableJSErrorHandling() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(57, "useAlwaysAvailableJSErrorHandling");
+    markFlagAsAccessed(56, "useAlwaysAvailableJSErrorHandling");
 
     flagValue = currentProvider_->useAlwaysAvailableJSErrorHandling();
     useAlwaysAvailableJSErrorHandling_ = flagValue;
@@ -1082,7 +1064,7 @@ bool ReactNativeFeatureFlagsAccessor::useFabricInterop() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(58, "useFabricInterop");
+    markFlagAsAccessed(57, "useFabricInterop");
 
     flagValue = currentProvider_->useFabricInterop();
     useFabricInterop_ = flagValue;
@@ -1100,7 +1082,7 @@ bool ReactNativeFeatureFlagsAccessor::useNativeEqualsInNativeReadableArrayAndroi
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(59, "useNativeEqualsInNativeReadableArrayAndroid");
+    markFlagAsAccessed(58, "useNativeEqualsInNativeReadableArrayAndroid");
 
     flagValue = currentProvider_->useNativeEqualsInNativeReadableArrayAndroid();
     useNativeEqualsInNativeReadableArrayAndroid_ = flagValue;
@@ -1118,7 +1100,7 @@ bool ReactNativeFeatureFlagsAccessor::useNativeTransformHelperAndroid() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(60, "useNativeTransformHelperAndroid");
+    markFlagAsAccessed(59, "useNativeTransformHelperAndroid");
 
     flagValue = currentProvider_->useNativeTransformHelperAndroid();
     useNativeTransformHelperAndroid_ = flagValue;
@@ -1136,7 +1118,7 @@ bool ReactNativeFeatureFlagsAccessor::useNativeViewConfigsInBridgelessMode() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(61, "useNativeViewConfigsInBridgelessMode");
+    markFlagAsAccessed(60, "useNativeViewConfigsInBridgelessMode");
 
     flagValue = currentProvider_->useNativeViewConfigsInBridgelessMode();
     useNativeViewConfigsInBridgelessMode_ = flagValue;
@@ -1154,7 +1136,7 @@ bool ReactNativeFeatureFlagsAccessor::useOptimizedEventBatchingOnAndroid() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(62, "useOptimizedEventBatchingOnAndroid");
+    markFlagAsAccessed(61, "useOptimizedEventBatchingOnAndroid");
 
     flagValue = currentProvider_->useOptimizedEventBatchingOnAndroid();
     useOptimizedEventBatchingOnAndroid_ = flagValue;
@@ -1172,7 +1154,7 @@ bool ReactNativeFeatureFlagsAccessor::useRawPropsJsiValue() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(63, "useRawPropsJsiValue");
+    markFlagAsAccessed(62, "useRawPropsJsiValue");
 
     flagValue = currentProvider_->useRawPropsJsiValue();
     useRawPropsJsiValue_ = flagValue;
@@ -1190,7 +1172,7 @@ bool ReactNativeFeatureFlagsAccessor::useShadowNodeStateOnClone() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(64, "useShadowNodeStateOnClone");
+    markFlagAsAccessed(63, "useShadowNodeStateOnClone");
 
     flagValue = currentProvider_->useShadowNodeStateOnClone();
     useShadowNodeStateOnClone_ = flagValue;
@@ -1208,7 +1190,7 @@ bool ReactNativeFeatureFlagsAccessor::useTurboModuleInterop() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(65, "useTurboModuleInterop");
+    markFlagAsAccessed(64, "useTurboModuleInterop");
 
     flagValue = currentProvider_->useTurboModuleInterop();
     useTurboModuleInterop_ = flagValue;
@@ -1226,7 +1208,7 @@ bool ReactNativeFeatureFlagsAccessor::useTurboModules() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(66, "useTurboModules");
+    markFlagAsAccessed(65, "useTurboModules");
 
     flagValue = currentProvider_->useTurboModules();
     useTurboModules_ = flagValue;
@@ -1244,7 +1226,7 @@ double ReactNativeFeatureFlagsAccessor::virtualViewHysteresisRatio() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(67, "virtualViewHysteresisRatio");
+    markFlagAsAccessed(66, "virtualViewHysteresisRatio");
 
     flagValue = currentProvider_->virtualViewHysteresisRatio();
     virtualViewHysteresisRatio_ = flagValue;
@@ -1262,7 +1244,7 @@ double ReactNativeFeatureFlagsAccessor::virtualViewPrerenderRatio() {
     // be accessing the provider multiple times but the end state of this
     // instance and the returned flag value would be the same.
 
-    markFlagAsAccessed(68, "virtualViewPrerenderRatio");
+    markFlagAsAccessed(67, "virtualViewPrerenderRatio");
 
     flagValue = currentProvider_->virtualViewPrerenderRatio();
     virtualViewPrerenderRatio_ = flagValue;

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlagsAccessor.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<<f1eb31a7412bff743a5c581224d71e2a>>
+ * @generated SignedSource<<9c51131fae9f19d03050be0c74ca3d4b>>
  */
 
 /**
@@ -56,6 +56,7 @@ class ReactNativeFeatureFlagsAccessor {
   bool enableIOSTextBaselineOffsetPerLine();
   bool enableIOSViewClipToPaddingBox();
   bool enableImagePrefetchingAndroid();
+  bool enableImagePrefetchingOnUiThreadAndroid();
   bool enableImmediateUpdateModeForContentOffsetChanges();
   bool enableInteropViewManagerClassLookUpOptimizationIOS();
   bool enableLayoutAnimationsOnAndroid();
@@ -64,7 +65,6 @@ class ReactNativeFeatureFlagsAccessor {
   bool enableModuleArgumentNSNullConversionIOS();
   bool enableNativeCSSParsing();
   bool enableNetworkEventReporting();
-  bool enableNewBackgroundAndBorderDrawables();
   bool enablePreparedTextLayout();
   bool enablePropsUpdateReconciliationAndroid();
   bool enableResourceTimingAPI();
@@ -83,7 +83,6 @@ class ReactNativeFeatureFlagsAccessor {
   bool perfMonitorV2Enabled();
   double preparedTextCacheSize();
   bool preventShadowTreeCommitExhaustion();
-  bool releaseImageDataWhenConsumed();
   bool shouldPressibilityUseW3CPointerEventsForHover();
   bool skipActivityIdentityAssertionOnHostPause();
   bool sweepActiveTouchOnChildNativeGesturesAndroid();
@@ -112,7 +111,7 @@ class ReactNativeFeatureFlagsAccessor {
   std::unique_ptr<ReactNativeFeatureFlagsProvider> currentProvider_;
   bool wasOverridden_;
 
-  std::array<std::atomic<const char*>, 69> accessedFeatureFlags_;
+  std::array<std::atomic<const char*>, 68> accessedFeatureFlags_;
 
   std::atomic<std::optional<bool>> commonTestFlag_;
   std::atomic<std::optional<bool>> cdpInteractionMetricsEnabled_;
@@ -138,6 +137,7 @@ class ReactNativeFeatureFlagsAccessor {
   std::atomic<std::optional<bool>> enableIOSTextBaselineOffsetPerLine_;
   std::atomic<std::optional<bool>> enableIOSViewClipToPaddingBox_;
   std::atomic<std::optional<bool>> enableImagePrefetchingAndroid_;
+  std::atomic<std::optional<bool>> enableImagePrefetchingOnUiThreadAndroid_;
   std::atomic<std::optional<bool>> enableImmediateUpdateModeForContentOffsetChanges_;
   std::atomic<std::optional<bool>> enableInteropViewManagerClassLookUpOptimizationIOS_;
   std::atomic<std::optional<bool>> enableLayoutAnimationsOnAndroid_;
@@ -146,7 +146,6 @@ class ReactNativeFeatureFlagsAccessor {
   std::atomic<std::optional<bool>> enableModuleArgumentNSNullConversionIOS_;
   std::atomic<std::optional<bool>> enableNativeCSSParsing_;
   std::atomic<std::optional<bool>> enableNetworkEventReporting_;
-  std::atomic<std::optional<bool>> enableNewBackgroundAndBorderDrawables_;
   std::atomic<std::optional<bool>> enablePreparedTextLayout_;
   std::atomic<std::optional<bool>> enablePropsUpdateReconciliationAndroid_;
   std::atomic<std::optional<bool>> enableResourceTimingAPI_;
@@ -165,7 +164,6 @@ class ReactNativeFeatureFlagsAccessor {
   std::atomic<std::optional<bool>> perfMonitorV2Enabled_;
   std::atomic<std::optional<double>> preparedTextCacheSize_;
   std::atomic<std::optional<bool>> preventShadowTreeCommitExhaustion_;
-  std::atomic<std::optional<bool>> releaseImageDataWhenConsumed_;
   std::atomic<std::optional<bool>> shouldPressibilityUseW3CPointerEventsForHover_;
   std::atomic<std::optional<bool>> skipActivityIdentityAssertionOnHostPause_;
   std::atomic<std::optional<bool>> sweepActiveTouchOnChildNativeGesturesAndroid_;

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlagsDefaults.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<<a76f1a1e8ba0d65b689b4b87d33d7ced>>
+ * @generated SignedSource<<5f9c3ecf7887653fd5348a05391ab7d0>>
  */
 
 /**
@@ -123,6 +123,10 @@ class ReactNativeFeatureFlagsDefaults : public ReactNativeFeatureFlagsProvider {
     return false;
   }
 
+  bool enableImagePrefetchingOnUiThreadAndroid() override {
+    return false;
+  }
+
   bool enableImmediateUpdateModeForContentOffsetChanges() override {
     return false;
   }
@@ -155,10 +159,6 @@ class ReactNativeFeatureFlagsDefaults : public ReactNativeFeatureFlagsProvider {
     return false;
   }
 
-  bool enableNewBackgroundAndBorderDrawables() override {
-    return true;
-  }
-
   bool enablePreparedTextLayout() override {
     return false;
   }
@@ -231,10 +231,6 @@ class ReactNativeFeatureFlagsDefaults : public ReactNativeFeatureFlagsProvider {
     return false;
   }
 
-  bool releaseImageDataWhenConsumed() override {
-    return false;
-  }
-
   bool shouldPressibilityUseW3CPointerEventsForHover() override {
     return false;
   }

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlagsDynamicProvider.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<<e2a5086e5586caf4c90ef503416a0e83>>
+ * @generated SignedSource<<027cef9dd44f14a71be7c0d1b90238b3>>
  */
 
 /**
@@ -261,6 +261,15 @@ class ReactNativeFeatureFlagsDynamicProvider : public ReactNativeFeatureFlagsDef
     return ReactNativeFeatureFlagsDefaults::enableImagePrefetchingAndroid();
   }
 
+  bool enableImagePrefetchingOnUiThreadAndroid() override {
+    auto value = values_["enableImagePrefetchingOnUiThreadAndroid"];
+    if (!value.isNull()) {
+      return value.getBool();
+    }
+
+    return ReactNativeFeatureFlagsDefaults::enableImagePrefetchingOnUiThreadAndroid();
+  }
+
   bool enableImmediateUpdateModeForContentOffsetChanges() override {
     auto value = values_["enableImmediateUpdateModeForContentOffsetChanges"];
     if (!value.isNull()) {
@@ -333,15 +342,6 @@ class ReactNativeFeatureFlagsDynamicProvider : public ReactNativeFeatureFlagsDef
     return ReactNativeFeatureFlagsDefaults::enableNetworkEventReporting();
   }
 
-  bool enableNewBackgroundAndBorderDrawables() override {
-    auto value = values_["enableNewBackgroundAndBorderDrawables"];
-    if (!value.isNull()) {
-      return value.getBool();
-    }
-
-    return ReactNativeFeatureFlagsDefaults::enableNewBackgroundAndBorderDrawables();
-  }
-
   bool enablePreparedTextLayout() override {
     auto value = values_["enablePreparedTextLayout"];
     if (!value.isNull()) {
@@ -504,15 +504,6 @@ class ReactNativeFeatureFlagsDynamicProvider : public ReactNativeFeatureFlagsDef
     return ReactNativeFeatureFlagsDefaults::preventShadowTreeCommitExhaustion();
   }
 
-  bool releaseImageDataWhenConsumed() override {
-    auto value = values_["releaseImageDataWhenConsumed"];
-    if (!value.isNull()) {
-      return value.getBool();
-    }
-
-    return ReactNativeFeatureFlagsDefaults::releaseImageDataWhenConsumed();
-  }
-
   bool shouldPressibilityUseW3CPointerEventsForHover() override {
     auto value = values_["shouldPressibilityUseW3CPointerEventsForHover"];
     if (!value.isNull()) {

packages/react-native/ReactCommon/react/featureflags/ReactNativeFeatureFlagsProvider.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<<feb44bb7ec97d29787eac070103f9e1b>>
+ * @generated SignedSource<<a78e171b87f70a1b2ab0de2f9e48012b>>
  */
 
 /**
@@ -49,6 +49,7 @@ class ReactNativeFeatureFlagsProvider {
   virtual bool enableIOSTextBaselineOffsetPerLine() = 0;
   virtual bool enableIOSViewClipToPaddingBox() = 0;
   virtual bool enableImagePrefetchingAndroid() = 0;
+  virtual bool enableImagePrefetchingOnUiThreadAndroid() = 0;
   virtual bool enableImmediateUpdateModeForContentOffsetChanges() = 0;
   virtual bool enableInteropViewManagerClassLookUpOptimizationIOS() = 0;
   virtual bool enableLayoutAnimationsOnAndroid() = 0;
@@ -57,7 +58,6 @@ class ReactNativeFeatureFlagsProvider {
   virtual bool enableModuleArgumentNSNullConversionIOS() = 0;
   virtual bool enableNativeCSSParsing() = 0;
   virtual bool enableNetworkEventReporting() = 0;
-  virtual bool enableNewBackgroundAndBorderDrawables() = 0;
   virtual bool enablePreparedTextLayout() = 0;
   virtual bool enablePropsUpdateReconciliationAndroid() = 0;
   virtual bool enableResourceTimingAPI() = 0;
@@ -76,7 +76,6 @@ class ReactNativeFeatureFlagsProvider {
   virtual bool perfMonitorV2Enabled() = 0;
   virtual double preparedTextCacheSize() = 0;
   virtual bool preventShadowTreeCommitExhaustion() = 0;
-  virtual bool releaseImageDataWhenConsumed() = 0;
   virtual bool shouldPressibilityUseW3CPointerEventsForHover() = 0;
   virtual bool skipActivityIdentityAssertionOnHostPause() = 0;
   virtual bool sweepActiveTouchOnChildNativeGesturesAndroid() = 0;

packages/react-native/ReactCommon/react/nativemodule/featureflags/NativeReactNativeFeatureFlags.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<<c9c36c1dbece9e27f7b71da7611cb747>>
+ * @generated SignedSource<<07df05bf452f78603bbf79594aa0cba0>>
  */
 
 /**
@@ -164,6 +164,11 @@ bool NativeReactNativeFeatureFlags::enableImagePrefetchingAndroid(
   return ReactNativeFeatureFlags::enableImagePrefetchingAndroid();
 }
 
+bool NativeReactNativeFeatureFlags::enableImagePrefetchingOnUiThreadAndroid(
+    jsi::Runtime& /*runtime*/) {
+  return ReactNativeFeatureFlags::enableImagePrefetchingOnUiThreadAndroid();
+}
+
 bool NativeReactNativeFeatureFlags::enableImmediateUpdateModeForContentOffsetChanges(
     jsi::Runtime& /*runtime*/) {
   return ReactNativeFeatureFlags::enableImmediateUpdateModeForContentOffsetChanges();
@@ -204,11 +209,6 @@ bool NativeReactNativeFeatureFlags::enableNetworkEventReporting(
   return ReactNativeFeatureFlags::enableNetworkEventReporting();
 }
 
-bool NativeReactNativeFeatureFlags::enableNewBackgroundAndBorderDrawables(
-    jsi::Runtime& /*runtime*/) {
-  return ReactNativeFeatureFlags::enableNewBackgroundAndBorderDrawables();
-}
-
 bool NativeReactNativeFeatureFlags::enablePreparedTextLayout(
     jsi::Runtime& /*runtime*/) {
   return ReactNativeFeatureFlags::enablePreparedTextLayout();
@@ -299,11 +299,6 @@ bool NativeReactNativeFeatureFlags::preventShadowTreeCommitExhaustion(
   return ReactNativeFeatureFlags::preventShadowTreeCommitExhaustion();
 }
 
-bool NativeReactNativeFeatureFlags::releaseImageDataWhenConsumed(
-    jsi::Runtime& /*runtime*/) {
-  return ReactNativeFeatureFlags::releaseImageDataWhenConsumed();
-}
-
 bool NativeReactNativeFeatureFlags::shouldPressibilityUseW3CPointerEventsForHover(
     jsi::Runtime& /*runtime*/) {
   return ReactNativeFeatureFlags::shouldPressibilityUseW3CPointerEventsForHover();

packages/react-native/ReactCommon/react/nativemodule/featureflags/NativeReactNativeFeatureFlags.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<<320e69fa54228a352fad210e3a43b947>>
+ * @generated SignedSource<<228d7484ef89bb01fee8dcff2657c56a>>
  */
 
 /**
@@ -84,6 +84,8 @@ class NativeReactNativeFeatureFlags
 
   bool enableImagePrefetchingAndroid(jsi::Runtime& runtime);
 
+  bool enableImagePrefetchingOnUiThreadAndroid(jsi::Runtime& runtime);
+
   bool enableImmediateUpdateModeForContentOffsetChanges(jsi::Runtime& runtime);
 
   bool enableInteropViewManagerClassLookUpOptimizationIOS(jsi::Runtime& runtime);
@@ -100,8 +102,6 @@ class NativeReactNativeFeatureFlags
 
   bool enableNetworkEventReporting(jsi::Runtime& runtime);
 
-  bool enableNewBackgroundAndBorderDrawables(jsi::Runtime& runtime);
-
   bool enablePreparedTextLayout(jsi::Runtime& runtime);
 
   bool enablePropsUpdateReconciliationAndroid(jsi::Runtime& runtime);
@@ -138,8 +138,6 @@ class NativeReactNativeFeatureFlags
 
   bool preventShadowTreeCommitExhaustion(jsi::Runtime& runtime);
 
-  bool releaseImageDataWhenConsumed(jsi::Runtime& runtime);
-
   bool shouldPressibilityUseW3CPointerEventsForHover(jsi::Runtime& runtime);
 
   bool skipActivityIdentityAssertionOnHostPause(jsi::Runtime& runtime);

packages/react-native/ReactCommon/react/renderer/animated/NativeAnimatedNodesManager.cpp

@@ -25,6 +25,7 @@
 #include <react/renderer/animated/nodes/InterpolationAnimatedNode.h>
 #include <react/renderer/animated/nodes/ModulusAnimatedNode.h>
 #include <react/renderer/animated/nodes/MultiplicationAnimatedNode.h>
+#include <react/renderer/animated/nodes/ObjectAnimatedNode.h>
 #include <react/renderer/animated/nodes/PropsAnimatedNode.h>
 #include <react/renderer/animated/nodes/RoundAnimatedNode.h>
 #include <react/renderer/animated/nodes/StyleAnimatedNode.h>
@@ -145,6 +146,8 @@ std::unique_ptr<AnimatedNode> NativeAnimatedNodesManager::animatedNode(
       return std::make_unique<DiffClampAnimatedNode>(tag, config, *this);
     case AnimatedNodeType::Round:
       return std::make_unique<RoundAnimatedNode>(tag, config, *this);
+    case AnimatedNodeType::Object:
+      return std::make_unique<ObjectAnimatedNode>(tag, config, *this);
     default:
       LOG(WARNING) << "Cannot create AnimatedNode of type " << typeName
                    << ", it's not implemented yet";

packages/react-native/ReactCommon/react/renderer/animated/nodes/AnimatedNode.cpp

@@ -73,6 +73,8 @@ std::optional<AnimatedNodeType> AnimatedNode::getNodeTypeByName(
     return AnimatedNodeType::Tracking;
   } else if (nodeTypeName == "round") {
     return AnimatedNodeType::Round;
+  } else if (nodeTypeName == "object") {
+    return AnimatedNodeType::Object;
   } else {
     return std::nullopt;
   }

packages/react-native/ReactCommon/react/renderer/animated/nodes/AnimatedNode.h

@@ -32,6 +32,7 @@ enum class AnimatedNodeType {
   Tracking,
   Color,
   Round,
+  Object
 };
 
 class NativeAnimatedNodesManager;

packages/react-native/ReactCommon/react/renderer/animated/nodes/ObjectAnimatedNode.cpp

@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+/*
+ * Adapted from react-native-windows under the MIT license.
+ */
+
+#include "ObjectAnimatedNode.h"
+
+#include <glog/logging.h>
+#include <react/renderer/animated/NativeAnimatedNodesManager.h>
+#include <react/renderer/animated/internal/NativeAnimatedAllowlist.h>
+#include <react/renderer/animated/nodes/ColorAnimatedNode.h>
+#include <react/renderer/animated/nodes/TransformAnimatedNode.h>
+#include <react/renderer/animated/nodes/ValueAnimatedNode.h>
+
+namespace facebook::react {
+
+ObjectAnimatedNode::ObjectAnimatedNode(
+    Tag tag,
+    const folly::dynamic& config,
+    NativeAnimatedNodesManager& manager)
+    : AnimatedNode(tag, config, manager, AnimatedNodeType::Object) {}
+
+void ObjectAnimatedNode::collectViewUpdates(
+    std::string propKey,
+    folly::dynamic& props) {
+  const auto& value = getConfig()["value"];
+  switch (value.type()) {
+    case folly::dynamic::OBJECT: {
+      props.insert(propKey, collectViewUpdatesObjectHelper(value));
+    } break;
+    case folly::dynamic::ARRAY: {
+      props.insert(propKey, collectViewUpdatesArrayHelper(value));
+    } break;
+    default: {
+      LOG(ERROR) << "Invalid value type for ObjectAnimatedNode";
+    } break;
+  }
+}
+
+folly::dynamic ObjectAnimatedNode::collectViewUpdatesObjectHelper(
+    const folly::dynamic& value) const {
+  folly::dynamic result = folly::dynamic::object();
+  for (const auto& valueProp : value.items()) {
+    result.insert(valueProp.first.asString(), getValueProp(valueProp.second));
+  }
+  return result;
+}
+
+folly::dynamic ObjectAnimatedNode::collectViewUpdatesArrayHelper(
+    const folly::dynamic& value) const {
+  folly::dynamic result = folly::dynamic::array();
+  for (const auto& valueProp : value) {
+    result.push_back(getValueProp(valueProp));
+  }
+  return result;
+}
+
+folly::dynamic ObjectAnimatedNode::getValueProp(
+    const folly::dynamic& prop) const {
+  switch (prop.type()) {
+    case folly::dynamic::OBJECT: {
+      if (auto itNodeTag = prop.find("nodeTag");
+          itNodeTag != prop.items().end()) {
+        auto nodeTag = static_cast<Tag>(itNodeTag->second.asInt());
+        if (auto node = manager_->getAnimatedNode<AnimatedNode>(nodeTag)) {
+          switch (node->type()) {
+            case AnimatedNodeType::Value:
+            case AnimatedNodeType::Interpolation:
+            case AnimatedNodeType::Modulus:
+            case AnimatedNodeType::Round:
+            case AnimatedNodeType::Diffclamp:
+            // Operators
+            case AnimatedNodeType::Addition:
+            case AnimatedNodeType::Subtraction:
+            case AnimatedNodeType::Multiplication:
+            case AnimatedNodeType::Division: {
+              if (const auto valueNode =
+                      manager_->getAnimatedNode<ValueAnimatedNode>(nodeTag)) {
+                if (valueNode->getIsColorValue()) {
+                  return static_cast<int32_t>(valueNode->getValue());
+                } else {
+                  return valueNode->getValue();
+                }
+              }
+            } break;
+            case AnimatedNodeType::Color: {
+              if (const auto colorAnimNode =
+                      manager_->getAnimatedNode<ColorAnimatedNode>(nodeTag)) {
+                return static_cast<int32_t>(colorAnimNode->getColor());
+              }
+            } break;
+            default:
+              break;
+          }
+        }
+      } else {
+        return collectViewUpdatesObjectHelper(prop);
+      }
+    } break;
+    case folly::dynamic::ARRAY: {
+      return collectViewUpdatesArrayHelper(prop);
+    };
+    case folly::dynamic::NULLT:
+    case folly::dynamic::BOOL:
+    case folly::dynamic::DOUBLE:
+    case folly::dynamic::INT64:
+    case folly::dynamic::STRING: {
+      return prop;
+    };
+  }
+  LOG(ERROR) << "Invalid prop type for ObjectAnimatedNode";
+  return nullptr;
+}
+
+} // namespace facebook::react

packages/react-native/ReactCommon/react/renderer/animated/nodes/ObjectAnimatedNode.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+/*
+ * Adapted from react-native-windows under the MIT license.
+ */
+
+#pragma once
+
+#include "AnimatedNode.h"
+
+#include <folly/dynamic.h>
+
+namespace facebook::react {
+
+class ObjectAnimatedNode final : public AnimatedNode {
+ public:
+  ObjectAnimatedNode(
+      Tag tag,
+      const folly::dynamic& config,
+      NativeAnimatedNodesManager& manager);
+  void collectViewUpdates(std::string propKey, folly::dynamic& props);
+
+ private:
+  folly::dynamic collectViewUpdatesObjectHelper(
+      const folly::dynamic& value) const;
+
+  folly::dynamic collectViewUpdatesArrayHelper(
+      const folly::dynamic& value) const;
+
+  folly::dynamic getValueProp(const folly::dynamic& prop) const;
+};
+
+} // namespace facebook::react

packages/react-native/ReactCommon/react/renderer/animated/nodes/PropsAnimatedNode.cpp

@@ -14,6 +14,7 @@
 #include <react/debug/react_native_assert.h>
 #include <react/renderer/animated/NativeAnimatedNodesManager.h>
 #include <react/renderer/animated/nodes/ColorAnimatedNode.h>
+#include <react/renderer/animated/nodes/ObjectAnimatedNode.h>
 #include <react/renderer/animated/nodes/StyleAnimatedNode.h>
 #include <react/renderer/animated/nodes/ValueAnimatedNode.h>
 
@@ -126,6 +127,12 @@ void PropsAnimatedNode::update(bool forceFabricCommit) {
             styleNode->collectViewUpdates(props_);
           }
         } break;
+        case AnimatedNodeType::Object: {
+          if (const auto objectNode =
+                  manager_->getAnimatedNode<ObjectAnimatedNode>(nodeTag)) {
+            objectNode->collectViewUpdates(propName, props_);
+          }
+        } break;
         case AnimatedNodeType::Props:
         case AnimatedNodeType::Tracking:
         case AnimatedNodeType::Transform:

packages/react-native/ReactCommon/react/renderer/animated/nodes/StyleAnimatedNode.cpp

@@ -14,6 +14,7 @@
 #include <react/renderer/animated/NativeAnimatedNodesManager.h>
 #include <react/renderer/animated/internal/NativeAnimatedAllowlist.h>
 #include <react/renderer/animated/nodes/ColorAnimatedNode.h>
+#include <react/renderer/animated/nodes/ObjectAnimatedNode.h>
 #include <react/renderer/animated/nodes/TransformAnimatedNode.h>
 #include <react/renderer/animated/nodes/ValueAnimatedNode.h>
 
@@ -82,6 +83,12 @@ void StyleAnimatedNode::collectViewUpdates(folly::dynamic& props) {
                 static_cast<int32_t>(colorAnimNode->getColor()));
           }
         } break;
+        case AnimatedNodeType::Object: {
+          if (const auto objectNode =
+                  manager_->getAnimatedNode<ObjectAnimatedNode>(nodeTag)) {
+            objectNode->collectViewUpdates(propName, props);
+          }
+        } break;
         case AnimatedNodeType::Tracking:
         case AnimatedNodeType::Style:
         case AnimatedNodeType::Props:

packages/react-native/ReactCommon/react/renderer/animated/tests/AnimatedNodeTests.cpp

@@ -8,6 +8,7 @@
 #include "AnimationTestsBase.h"
 
 #include <react/renderer/animated/nodes/ColorAnimatedNode.h>
+#include <react/renderer/animated/nodes/ObjectAnimatedNode.h>
 #include <react/renderer/core/ReactRootViewTagGenerator.h>
 #include <react/renderer/graphics/Color.h>
 
@@ -214,4 +215,54 @@ TEST_F(AnimatedNodeTests, DiffClampAnimatedNode) {
   EXPECT_EQ(nodesManager_->getValue(diffClampTag), 1);
 }
 
+TEST_F(AnimatedNodeTests, ObjectAnimatedNode) {
+  initNodesManager();
+
+  auto rootTag = getNextRootViewTag();
+
+  auto valueTag = ++rootTag;
+  auto objectTag = ++rootTag;
+  nodesManager_->createAnimatedNode(
+      valueTag,
+      folly::dynamic::object("type", "value")("value", 4)("offset", 0));
+
+  nodesManager_->createAnimatedNode(
+      objectTag,
+      folly::dynamic::object("type", "object")(
+          "value",
+          folly::dynamic::array(
+              folly::dynamic::object(
+                  "translate3d",
+                  folly::dynamic::object("x", 1)("y", 0)("z", 0)),
+              folly::dynamic::object(
+                  "rotate3d",
+                  folly::dynamic::object("x", 1)("y", 0)("z", 0)(
+                      "angle", "180deg")),
+              folly::dynamic::object(
+                  "scale3d", folly::dynamic::object("nodeTag", valueTag)))));
+
+  nodesManager_->connectAnimatedNodes(valueTag, objectTag);
+
+  const auto objectNode =
+      nodesManager_->getAnimatedNode<ObjectAnimatedNode>(objectTag);
+  folly::dynamic collectedProps = folly::dynamic::object();
+  objectNode->collectViewUpdates("test", collectedProps);
+
+  const auto expected = folly::dynamic::object(
+      "test",
+      folly::dynamic::array(
+          folly::dynamic::object(
+              "translate3d", folly::dynamic::object("x", 1)("y", 0)("z", 0)),
+          folly::dynamic::object(
+              "rotate3d",
+              folly::dynamic::object("x", 1)("y", 0)("z", 0)(
+                  "angle", "180deg")),
+          folly::dynamic::object("scale3d", 4)));
+  EXPECT_EQ(collectedProps["test"].size(), 3);
+  EXPECT_EQ(collectedProps["test"][0]["translate3d"]["x"], 1);
+  EXPECT_EQ(collectedProps["test"][1]["rotate3d"]["y"], 0);
+  EXPECT_EQ(collectedProps["test"][1]["rotate3d"]["angle"], "180deg");
+  EXPECT_EQ(collectedProps["test"][2]["scale3d"], 4);
+}
+
 } // namespace facebook::react

packages/react-native/ReactCommon/react/renderer/components/view/AccessibilityPrimitives.h

@@ -12,8 +12,6 @@
 #include <string>
 #include <vector>
 
-#include <react/renderer/debug/DebugStringConvertible.h>
-
 namespace facebook::react {
 
 enum class AccessibilityTraits : uint32_t {
@@ -55,27 +53,6 @@ struct AccessibilityAction {
   std::optional<std::string> label{};
 };
 
-inline std::string toString(const AccessibilityAction& accessibilityAction) {
-  std::string result = accessibilityAction.name;
-  if (accessibilityAction.label.has_value()) {
-    result += ": '" + accessibilityAction.label.value() + "'";
-  }
-  return result;
-}
-
-inline std::string toString(
-    std::vector<AccessibilityAction> accessibilityActions) {
-  std::string result = "[";
-  for (size_t i = 0; i < accessibilityActions.size(); i++) {
-    result += toString(accessibilityActions[i]);
-    if (i < accessibilityActions.size() - 1) {
-      result += ", ";
-    }
-  }
-  result += "]";
-  return result;
-}
-
 inline static bool operator==(
     const AccessibilityAction& lhs,
     const AccessibilityAction& rhs) {
@@ -110,29 +87,6 @@ constexpr bool operator!=(
   return !(rhs == lhs);
 }
 
-#if RN_DEBUG_STRING_CONVERTIBLE
-inline std::string toString(AccessibilityState::CheckedState state) {
-  switch (state) {
-    case AccessibilityState::Unchecked:
-      return "Unchecked";
-    case AccessibilityState::Checked:
-      return "Checked";
-    case AccessibilityState::Mixed:
-      return "Mixed";
-    case AccessibilityState::None:
-      return "None";
-  }
-}
-
-inline std::string toString(const AccessibilityState& accessibilityState) {
-  return "{disabled:" + toString(accessibilityState.disabled) +
-      ",selected:" + toString(accessibilityState.selected) +
-      ",checked:" + toString(accessibilityState.checked) +
-      ",busy:" + toString(accessibilityState.busy) +
-      ",expanded:" + toString(accessibilityState.expanded) + "}";
-}
-#endif
-
 struct AccessibilityLabelledBy {
   std::vector<std::string> value{};
 };
@@ -182,19 +136,7 @@ enum class AccessibilityLiveRegion : uint8_t {
   Assertive,
 };
 
-inline std::string toString(
-    const AccessibilityLiveRegion& accessibilityLiveRegion) {
-  switch (accessibilityLiveRegion) {
-    case AccessibilityLiveRegion::None:
-      return "none";
-    case AccessibilityLiveRegion::Polite:
-      return "polite";
-    case AccessibilityLiveRegion::Assertive:
-      return "assertive";
-  }
-}
-
-enum class AccessibilityRole {
+enum class AccessibilityRole : uint8_t {
   None,
   Button,
   Dropdownlist,
@@ -237,7 +179,7 @@ enum class AccessibilityRole {
   Iconmenu,
 };
 
-enum class Role {
+enum class Role : uint8_t {
   Alert,
   Alertdialog,
   Application,

packages/react-native/ReactCommon/react/renderer/components/view/accessibilityPropsConversions.h

@@ -14,6 +14,7 @@
 #include <react/renderer/components/view/AccessibilityPrimitives.h>
 #include <react/renderer/core/PropsParserContext.h>
 #include <react/renderer/core/propsConversions.h>
+#include <react/renderer/debug/DebugStringConvertible.h>
 
 #include <unordered_map>
 
@@ -782,4 +783,59 @@ inline void fromRawValue(
   result = Role::None;
 }
 
+inline std::string toString(AccessibilityLiveRegion accessibilityLiveRegion) {
+  switch (accessibilityLiveRegion) {
+    case AccessibilityLiveRegion::None:
+      return "none";
+    case AccessibilityLiveRegion::Polite:
+      return "polite";
+    case AccessibilityLiveRegion::Assertive:
+      return "assertive";
+  }
+}
+
+#if RN_DEBUG_STRING_CONVERTIBLE
+inline std::string toString(AccessibilityState::CheckedState state) {
+  switch (state) {
+    case AccessibilityState::Unchecked:
+      return "Unchecked";
+    case AccessibilityState::Checked:
+      return "Checked";
+    case AccessibilityState::Mixed:
+      return "Mixed";
+    case AccessibilityState::None:
+      return "None";
+  }
+}
+
+inline std::string toString(const AccessibilityAction& accessibilityAction) {
+  std::string result = accessibilityAction.name;
+  if (accessibilityAction.label.has_value()) {
+    result += ": '" + accessibilityAction.label.value() + "'";
+  }
+  return result;
+}
+
+inline std::string toString(
+    std::vector<AccessibilityAction> accessibilityActions) {
+  std::string result = "[";
+  for (size_t i = 0; i < accessibilityActions.size(); i++) {
+    result += toString(accessibilityActions[i]);
+    if (i < accessibilityActions.size() - 1) {
+      result += ", ";
+    }
+  }
+  result += "]";
+  return result;
+}
+
+inline std::string toString(const AccessibilityState& accessibilityState) {
+  return "{disabled:" + toString(accessibilityState.disabled) +
+      ",selected:" + toString(accessibilityState.selected) +
+      ",checked:" + toString(accessibilityState.checked) +
+      ",busy:" + toString(accessibilityState.busy) +
+      ",expanded:" + toString(accessibilityState.expanded) + "}";
+}
+#endif
+
 } // namespace facebook::react

packages/react-native/ReactCommon/react/renderer/components/view/conversions.h

@@ -848,7 +848,7 @@ inline void fromRawValue(
   react_native_expect(false);
 }
 
-inline std::string toString(const PointerEventsMode& value) {
+inline std::string toString(PointerEventsMode value) {
   switch (value) {
     case PointerEventsMode::Auto:
       return "auto";

packages/react-native/ReactCommon/react/renderer/components/view/platform/android/react/renderer/components/view/HostPlatformViewProps.cpp

@@ -618,21 +618,7 @@ folly::dynamic HostPlatformViewProps::getDiffProps(
   }
 
   if (pointerEvents != oldProps->pointerEvents) {
-    std::string value;
-    switch (pointerEvents) {
-      case PointerEventsMode::BoxOnly:
-        result["pointerEvents"] = "box-only";
-        break;
-      case PointerEventsMode::BoxNone:
-        result["pointerEvents"] = "box-none";
-        break;
-      case PointerEventsMode::None:
-        result["pointerEvents"] = "none";
-        break;
-      default:
-        result["pointerEvents"] = "auto";
-        break;
-    }
+    result["pointerEvents"] = toString(pointerEvents);
   }
 
   if (hitSlop != oldProps->hitSlop) {
@@ -917,17 +903,7 @@ folly::dynamic HostPlatformViewProps::getDiffProps(
   }
 
   if (accessibilityLiveRegion != oldProps->accessibilityLiveRegion) {
-    switch (accessibilityLiveRegion) {
-      case AccessibilityLiveRegion::Assertive:
-        result["accessibilityLiveRegion"] = "assertive";
-        break;
-      case AccessibilityLiveRegion::Polite:
-        result["accessibilityLiveRegion"] = "polite";
-        break;
-      case AccessibilityLiveRegion::None:
-        result["accessibilityLiveRegion"] = "none";
-        break;
-    }
+    result["accessibilityLiveRegion"] = toString(accessibilityLiveRegion);
   }
 
   if (accessibilityHint != oldProps->accessibilityHint) {
@@ -1003,20 +979,7 @@ folly::dynamic HostPlatformViewProps::getDiffProps(
   }
 
   if (importantForAccessibility != oldProps->importantForAccessibility) {
-    switch (importantForAccessibility) {
-      case ImportantForAccessibility::Auto:
-        result["importantForAccessibility"] = "auto";
-        break;
-      case ImportantForAccessibility::Yes:
-        result["importantForAccessibility"] = "yes";
-        break;
-      case ImportantForAccessibility::No:
-        result["importantForAccessibility"] = "no";
-        break;
-      case ImportantForAccessibility::NoHideDescendants:
-        result["importantForAccessibility"] = "noHideDescendants";
-        break;
-    }
+    result["importantForAccessibility"] = toString(importantForAccessibility);
   }
 
   return result;

packages/react-native/ReactCommon/react/renderer/imagemanager/ImageResponseObserverCoordinator.cpp

@@ -123,11 +123,9 @@ void ImageResponseObserverCoordinator::nativeImageResponseFailed(
 }
 
 void ImageResponseObserverCoordinator::consumeResponse() const {
-  if (ReactNativeFeatureFlags::releaseImageDataWhenConsumed()) {
-    status_ = ImageResponse::Status::Consumed;
-    imageData_.reset();
-    imageMetadata_.reset();
-  }
+  status_ = ImageResponse::Status::Consumed;
+  imageData_.reset();
+  imageMetadata_.reset();
 }
 
 } // namespace facebook::react

packages/react-native/ReactCommon/react/renderer/imagemanager/platform/android/react/renderer/imagemanager/ImageFetcher.cpp

@@ -44,9 +44,8 @@ ImageRequest ImageFetcher::requestImage(
     SurfaceId surfaceId,
     const ImageRequestParams& imageRequestParams,
     Tag tag) {
-  items_.emplace_back(ImageRequestItem{
+  items_[surfaceId].emplace_back(ImageRequestItem{
       .imageSource = imageSource,
-      .surfaceId = surfaceId,
       .imageRequestParams = imageRequestParams,
       .tag = tag});
 
@@ -68,13 +67,18 @@ RootShadowNode::Unshared ImageFetcher::shadowTreeWillCommit(
       contextContainer_->at<jni::global_ref<jobject>>("FabricUIManager");
   static auto prefetchResources =
       fabricUIManager_->getClass()
-          ->getMethod<void(std::string, JReadableMapBuffer::javaobject)>(
+          ->getMethod<void(
+              SurfaceId, std::string, JReadableMapBuffer::javaobject)>(
               "experimental_prefetchResources");
 
-  auto readableMapBuffer =
-      JReadableMapBuffer::createWithContents(serializeImageRequests(items_));
+  for (auto& [surfaceId, surfaceImageRequests] : items_) {
+    auto readableMapBuffer = JReadableMapBuffer::createWithContents(
+        serializeImageRequests(surfaceImageRequests));
+    prefetchResources(
+        fabricUIManager_, surfaceId, "RCTImageView", readableMapBuffer.get());
+  }
+
   items_.clear();
-  prefetchResources(fabricUIManager_, "RCTImageView", readableMapBuffer.get());
 
   return newRootShadowNode;
 }

packages/react-native/ReactCommon/react/renderer/imagemanager/platform/android/react/renderer/imagemanager/ImageFetcher.h

@@ -13,6 +13,8 @@
 #include <react/renderer/mounting/ShadowTree.h>
 #include <react/renderer/uimanager/UIManagerCommitHook.h>
 #include <react/utils/ContextContainer.h>
+#include <unordered_map>
+#include <vector>
 
 namespace facebook::react {
 
@@ -43,7 +45,7 @@ class ImageFetcher : public UIManagerCommitHook {
       const ShadowTree::CommitOptions& commitOptions) noexcept override;
 
  private:
-  std::vector<ImageRequestItem> items_;
+  std::unordered_map<SurfaceId, std::vector<ImageRequestItem>> items_;
   std::shared_ptr<const ContextContainer> contextContainer_;
 };
 } // namespace facebook::react

packages/react-native/ReactCommon/react/renderer/imagemanager/platform/android/react/renderer/imagemanager/ImageRequestParams.h

@@ -93,7 +93,6 @@ class ImageRequestParams {
 
 struct ImageRequestItem {
   ImageSource imageSource;
-  SurfaceId surfaceId{};
   ImageRequestParams imageRequestParams;
   Tag tag{};
 };

packages/react-native/ReactCommon/react/renderer/imagemanager/platform/android/react/renderer/imagemanager/conversions.h

@@ -34,8 +34,7 @@ constexpr MapBuffer::Key IS_KEY_FADE_DURATION = 11;
 constexpr MapBuffer::Key IS_KEY_PROGRESSIVE_RENDERING_ENABLED = 12;
 constexpr MapBuffer::Key IS_KEY_LOADING_INDICATOR_SRC = 13;
 constexpr MapBuffer::Key IS_KEY_ANALYTIC_TAG = 14;
-constexpr MapBuffer::Key IS_KEY_SURFACE_ID = 15;
-constexpr MapBuffer::Key IS_KEY_TAG = 16;
+constexpr MapBuffer::Key IS_KEY_TAG = 15;
 
 inline void serializeImageSource(
     MapBufferBuilder& builder,
@@ -85,7 +84,6 @@ inline MapBuffer serializeImageRequest(const ImageRequestItem& item) {
   auto builder = MapBufferBuilder();
   serializeImageSource(builder, item.imageSource);
   serializeImageRequestParams(builder, item.imageRequestParams);
-  builder.putInt(IS_KEY_SURFACE_ID, item.surfaceId);
   builder.putInt(IS_KEY_TAG, item.tag);
   return builder.build();
 }

packages/react-native/ReactNativeApi.d.ts

@@ -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<<db6de028840aefaf5eeb3e2cec029553>>
+ * @generated SignedSource<<0a0286ba0bc29af2abd2e8fd836077fb>>
  *
  * This file was generated by scripts/js-api/build-types/index.js.
  */
@@ -3089,6 +3089,13 @@ declare type ListRenderItemInfo<ItemT> = {
   item: ItemT
   separators: Separators
 }
+declare type ListViewToken = {
+  index: number | undefined
+  isViewable: boolean
+  item: any
+  key: string
+  section?: any
+}
 declare type LogBox = typeof LogBox
 declare type LogData = {
   readonly category: Category
@@ -3511,8 +3518,8 @@ declare type OptionalVirtualizedListProps = {
   onStartReached?: (info: { distanceFromStart: number }) => void
   onStartReachedThreshold?: number
   onViewableItemsChanged?: (info: {
-    changed: Array<ViewToken>
-    viewableItems: Array<ViewToken>
+    changed: Array<ListViewToken>
+    viewableItems: Array<ListViewToken>
   }) => void
   persistentScrollbar?: boolean
   progressViewOffset?: number
@@ -5679,8 +5686,8 @@ declare type ViewabilityConfig = {
 declare type ViewabilityConfigCallbackPair = {
   viewabilityConfig: ViewabilityConfig
   onViewableItemsChanged: (info: {
-    changed: Array<ViewToken>
-    viewableItems: Array<ViewToken>
+    changed: Array<ListViewToken>
+    viewableItems: Array<ListViewToken>
   }) => void
 }
 declare class ViewabilityHelper_default {
@@ -5705,10 +5712,10 @@ declare class ViewabilityHelper_default {
       index: number,
       isViewable: boolean,
       props: CellMetricProps,
-    ) => ViewToken,
+    ) => ListViewToken,
     onViewableItemsChanged: ($$PARAM_0$$: {
-      changed: Array<ViewToken>
-      viewableItems: Array<ViewToken>
+      changed: Array<ListViewToken>
+      viewableItems: Array<ListViewToken>
     }) => void,
     renderRange?: {
       first: number
@@ -5793,13 +5800,6 @@ declare type ViewPropsIOS = {
 }
 declare type ViewStyle = ____ViewStyle_Internal
 declare type ViewStyleProp = ____ViewStyleProp_Internal
-declare type ViewToken = {
-  index: number | undefined
-  isViewable: boolean
-  item: any
-  key: string
-  section?: any
-}
 declare type VirtualizedList = typeof VirtualizedList
 declare class VirtualizedList_default extends StateSafePureComponent_default<
   VirtualizedListProps,
@@ -6013,8 +6013,8 @@ export {
   EventSubscription, // b8d084aa
   ExtendedExceptionData, // 5a6ccf5a
   FilterFunction, // bf24c0e3
-  FlatList, // 714df8ad
-  FlatListProps, // e3e724ea
+  FlatList, // 4f1b407e
+  FlatListProps, // b225fb7a
   FocusEvent, // 529b43eb
   FontVariant, // 7c7558bb
   GestureResponderEvent, // b466f6d6
@@ -6068,6 +6068,7 @@ export {
   Linking, // 292de0a0
   ListRenderItem, // b5353fd8
   ListRenderItemInfo, // e8595b03
+  ListViewToken, // 833d3481
   LogBox, // b58880c6
   LogData, // 89af6d4c
   MeasureInWindowOnSuccessCallback, // a285f598
@@ -6151,9 +6152,9 @@ export {
   ScrollViewPropsIOS, // d83c9733
   ScrollViewScrollToOptions, // 3313411e
   SectionBase, // 0ccaedac
-  SectionList, // cc6dec0b
+  SectionList, // a1a4786b
   SectionListData, // 1c80bb2e
-  SectionListProps, // 97fcf95a
+  SectionListProps, // 7fb5371e
   SectionListRenderItem, // cffebb53
   SectionListRenderItemInfo, // 946c2128
   Separators, // 6a45f7e3
@@ -6218,9 +6219,9 @@ export {
   ViewStyle, // c2db0e6e
   VirtualViewMode, // 85a69ef6
   VirtualizedList, // 4d513939
-  VirtualizedListProps, // 8efa6d8e
+  VirtualizedListProps, // be716140
   VirtualizedSectionList, // 446ba0df
-  VirtualizedSectionListProps, // c5e64f83
+  VirtualizedSectionListProps, // a6899dfb
   WrapperComponentProvider, // 9cf3844c
   codegenNativeCommands, // e16d62f7
   codegenNativeComponent, // ed4c8103

packages/react-native/flow/bom.js.flow

@@ -88,12 +88,169 @@ declare var navigator: Navigator;
 // https://developer.mozilla.org/en-US/docs/Web/API/DOMHighResTimeStamp
 declare type DOMHighResTimeStamp = number;
 
+type PerformanceEntryFilterOptions = {
+  entryType: string,
+  name: string,
+  ...
+};
+
+// https://www.w3.org/TR/performance-timeline-2/
+declare class PerformanceEntry {
+  duration: DOMHighResTimeStamp;
+  entryType: string;
+  name: string;
+  startTime: DOMHighResTimeStamp;
+  toJSON(): string;
+}
+
+// https://w3c.github.io/user-timing/#performancemark
+declare class PerformanceMark extends PerformanceEntry {
+  constructor(name: string, markOptions?: PerformanceMarkOptions): void;
+  +detail: mixed;
+}
+
+// https://w3c.github.io/user-timing/#performancemeasure
+declare class PerformanceMeasure extends PerformanceEntry {
+  +detail: mixed;
+}
+
+// https://w3c.github.io/server-timing/#the-performanceservertiming-interface
+declare class PerformanceServerTiming {
+  description: string;
+  duration: DOMHighResTimeStamp;
+  name: string;
+  toJSON(): string;
+}
+
+// https://www.w3.org/TR/resource-timing-2/#sec-performanceresourcetiming
+// https://w3c.github.io/server-timing/#extension-to-the-performanceresourcetiming-interface
+declare class PerformanceResourceTiming extends PerformanceEntry {
+  connectEnd: number;
+  connectStart: number;
+  decodedBodySize: number;
+  domainLookupEnd: number;
+  domainLookupStart: number;
+  encodedBodySize: number;
+  fetchStart: number;
+  initiatorType: string;
+  nextHopProtocol: string;
+  redirectEnd: number;
+  redirectStart: number;
+  requestStart: number;
+  responseEnd: number;
+  responseStart: number;
+  secureConnectionStart: number;
+  serverTiming: Array<PerformanceServerTiming>;
+  transferSize: number;
+  workerStart: number;
+}
+
+// https://w3c.github.io/event-timing/#sec-performance-event-timing
+declare class PerformanceEventTiming extends PerformanceEntry {
+  cancelable: boolean;
+  interactionId: number;
+  processingEnd: number;
+  processingStart: number;
+  target: ?Node;
+}
+
+// https://w3c.github.io/longtasks/#taskattributiontiming
+declare class TaskAttributionTiming extends PerformanceEntry {
+  containerId: string;
+  containerName: string;
+  containerSrc: string;
+  containerType: string;
+}
+
+// https://w3c.github.io/longtasks/#sec-PerformanceLongTaskTiming
+declare class PerformanceLongTaskTiming extends PerformanceEntry {
+  attribution: $ReadOnlyArray<TaskAttributionTiming>;
+}
+
+// https://www.w3.org/TR/user-timing/#extensions-performance-interface
+declare type PerformanceMarkOptions = {
+  detail?: mixed,
+  startTime?: number,
+};
+
+declare type PerformanceMeasureOptions = {
+  detail?: mixed,
+  duration?: number,
+  end?: number | string,
+  start?: number | string,
+};
+
+type EventCountsForEachCallbackType =
+  | (() => void)
+  | ((value: number) => void)
+  | ((value: number, key: string) => void)
+  | ((value: number, key: string, map: Map<string, number>) => void);
+
+// https://www.w3.org/TR/event-timing/#eventcounts
+declare interface EventCounts {
+  entries(): Iterator<[string, number]>;
+
+  forEach(callback: EventCountsForEachCallbackType): void;
+  get(key: string): ?number;
+  has(key: string): boolean;
+  keys(): Iterator<string>;
+  size: number;
+  values(): Iterator<number>;
+}
+
 declare class Performance {
+  clearMarks(name?: string): void;
+
+  clearMeasures(name?: string): void;
+
+  eventCounts: EventCounts;
+  getEntries: (
+    options?: PerformanceEntryFilterOptions,
+  ) => Array<PerformanceEntry>;
+  getEntriesByName: (name: string, type?: string) => Array<PerformanceEntry>;
+  getEntriesByType: (type: string) => Array<PerformanceEntry>;
+  mark(name: string, options?: PerformanceMarkOptions): PerformanceMark;
+  measure(
+    name: string,
+    startMarkOrOptions?: string | PerformanceMeasureOptions,
+    endMark?: string,
+  ): PerformanceMeasure;
   now: () => DOMHighResTimeStamp;
+  toJSON(): string;
 }
 
 declare var performance: Performance;
 
+type PerformanceEntryList = Array<PerformanceEntry>;
+
+declare interface PerformanceObserverEntryList {
+  getEntries(): PerformanceEntryList;
+  getEntriesByName(name: string, type: ?string): PerformanceEntryList;
+  getEntriesByType(type: string): PerformanceEntryList;
+}
+
+type PerformanceObserverInit = {
+  buffered?: boolean,
+  entryTypes?: Array<string>,
+  type?: string,
+  ...
+};
+
+declare class PerformanceObserver {
+  constructor(
+    callback: (
+      entries: PerformanceObserverEntryList,
+      observer: PerformanceObserver,
+    ) => mixed,
+  ): void;
+
+  disconnect(): void;
+  observe(options: ?PerformanceObserverInit): void;
+  static supportedEntryTypes: Array<string>;
+
+  takeRecords(): PerformanceEntryList;
+}
+
 type FormDataEntryValue = string | File;
 
 declare class FormData {

packages/react-native/index.js.flow

@@ -184,6 +184,7 @@ export {default as View} from './Libraries/Components/View/View';
 export type {
   ListRenderItemInfo,
   ListRenderItem,
+  ListViewToken,
   Separators,
   VirtualizedListProps,
 } from './Libraries/Lists/VirtualizedList';

packages/react-native/package.json

@@ -31,13 +31,11 @@
   "exports": {
     ".": {
       "react-native-strict-api": "./types_generated/index.d.ts",
-      "react-native-strict-api-UNSAFE-ALLOW-SUBPATHS": "./types_generated/index.d.ts",
       "types": "./types/index.d.ts",
       "default": "./index.js"
     },
     "./*": {
       "react-native-strict-api": null,
-      "react-native-strict-api-UNSAFE-ALLOW-SUBPATHS": "./types_generated/*.d.ts",
       "types": "./*.d.ts",
       "default": "./*.js"
     },
@@ -52,7 +50,6 @@
     "./scripts/*": "./scripts/*",
     "./src/*": {
       "react-native-strict-api": null,
-      "react-native-strict-api-UNSAFE-ALLOW-SUBPATHS": "./types_generated/src/*.d.ts",
       "default": "./src/*.js"
     },
     "./types/*.d.ts": {

packages/react-native/scripts/cocoapods/autolinking.rb

@@ -40,6 +40,12 @@ def list_native_modules!(config_command)
   packages = config["dependencies"]
   ios_project_root = Pathname.new(config["project"]["ios"]["sourceDir"])
   react_native_path = Pathname.new(config["reactNativePath"])
+  codegen_output_path = ios_project_root.join("build/generated/autolinking/autolinking.json")
+
+  # Write autolinking react-native-config output to codegen folder
+  FileUtils.mkdir_p(File.dirname(codegen_output_path))
+  File.write(codegen_output_path, json)
+
   found_pods = []
 
   packages.each do |package_name, package|

packages/react-native/scripts/cocoapods/codegen_utils.rb

@@ -87,7 +87,7 @@ class CodegenUtils
       codegen_path = file_manager.join(ios_folder, codegen_dir)
       return if !dir_manager.exist?(codegen_path)
 
-      FileUtils.rm_rf(dir_manager.glob("#{codegen_path}/*"))
+      FileUtils.rm_rf("#{codegen_path}")
       base_provider_path = file_manager.join(rn_path, 'React', 'Fabric', 'RCTThirdPartyFabricComponentsProvider')
       FileUtils.rm_rf("#{base_provider_path}.h")
       FileUtils.rm_rf("#{base_provider_path}.mm")

packages/react-native/scripts/codegen/generate-artifacts-executor/index.js

@@ -86,10 +86,14 @@ function execute(
       buildCodegenIfNeeded();
     }
 
-    const reactNativeConfig = readReactNativeConfig(projectRoot);
+    const reactNativeConfig = readReactNativeConfig(
+      projectRoot,
+      baseOutputPath,
+    );
     const codegenEnabledLibraries = findCodegenEnabledLibraries(
       pkgJson,
       projectRoot,
+      baseOutputPath,
       reactNativeConfig,
     );
 

packages/react-native/scripts/codegen/generate-artifacts-executor/utils.js

@@ -97,15 +97,40 @@ function cleanupEmptyFilesAndFolders(filepath /*: string */) {
   }
 }
 
-function readReactNativeConfig(projectRoot /*: string */) /*: $FlowFixMe */ {
-  const rnConfigFilePath = path.resolve(projectRoot, 'react-native.config.js');
+function readGeneratedAutolinkingOutput(
+  baseOutputPath /*: string */,
+) /*: $FlowFixMe */ {
+  // NOTE: Generated by scripts/cocoapods/autolinking.rb in list_native_modules (called by use_native_modules)
+  const autolinkingGeneratedPath = path.resolve(
+    baseOutputPath,
+    'build/generated/autolinking/autolinking.json',
+  );
+  if (fs.existsSync(autolinkingGeneratedPath)) {
+    // $FlowFixMe[unsupported-syntax]
+    return require(autolinkingGeneratedPath);
+  } else {
+    codegenLog(
+      `Could not find generated autolinking output at: ${autolinkingGeneratedPath}`,
+    );
+    return null;
+  }
+}
 
-  if (!fs.existsSync(rnConfigFilePath)) {
+function readReactNativeConfig(
+  projectRoot /*: string */,
+  baseOutputPath /*: string */,
+) /*: $FlowFixMe */ {
+  const autolinkingOutput = readGeneratedAutolinkingOutput(baseOutputPath);
+  const rnConfigFilePath = path.resolve(projectRoot, 'react-native.config.js');
+  if (autolinkingOutput) {
+    return autolinkingOutput;
+  } else if (fs.existsSync(rnConfigFilePath)) {
+    // $FlowFixMe[unsupported-syntax]
+    return require(rnConfigFilePath);
+  } else {
+    codegenLog(`Could not find React Native config at: ${rnConfigFilePath}`);
     return {};
   }
-
-  // $FlowFixMe[unsupported-syntax]
-  return require(rnConfigFilePath);
 }
 
 /**
@@ -114,17 +139,23 @@ function readReactNativeConfig(projectRoot /*: string */) /*: $FlowFixMe */ {
 function findCodegenEnabledLibraries(
   pkgJson /*: $FlowFixMe */,
   projectRoot /*: string */,
+  baseOutputPath /*: string */,
   reactNativeConfig /*: $FlowFixMe */,
 ) /*: Array<$FlowFixMe> */ {
   const projectLibraries = findProjectRootLibraries(pkgJson, projectRoot);
   if (pkgJsonIncludesGeneratedCode(pkgJson)) {
     return projectLibraries;
   } else {
-    return [
-      ...projectLibraries,
-      ...findExternalLibraries(pkgJson, projectRoot),
+    const libraries = [...projectLibraries];
+    // If we ran autolinking, we shouldn't try to run our own "autolinking-like"
+    // library discovery
+    if (!readGeneratedAutolinkingOutput(baseOutputPath)) {
+      libraries.push(...findExternalLibraries(pkgJson, projectRoot));
+    }
+    libraries.push(
       ...findLibrariesFromReactNativeConfig(projectRoot, reactNativeConfig),
-    ];
+    );
+    return libraries;
   }
 }
 

packages/react-native/scripts/featureflags/ReactNativeFeatureFlags.config.js

@@ -303,6 +303,17 @@ const definitions: FeatureFlagDefinitions = {
       },
       ossReleaseStage: 'none',
     },
+    enableImagePrefetchingOnUiThreadAndroid: {
+      defaultValue: false,
+      metadata: {
+        dateAdded: '2025-09-02',
+        description:
+          'When enabled, Android will initiate image prefetch requested on ImageShadowNode::layout on the UI thread',
+        expectedReleaseValue: true,
+        purpose: 'experimentation',
+      },
+      ossReleaseStage: 'none',
+    },
     enableImmediateUpdateModeForContentOffsetChanges: {
       defaultValue: false,
       metadata: {
@@ -387,17 +398,6 @@ const definitions: FeatureFlagDefinitions = {
       },
       ossReleaseStage: 'none',
     },
-    enableNewBackgroundAndBorderDrawables: {
-      defaultValue: true,
-      metadata: {
-        dateAdded: '2024-09-24',
-        description:
-          'Use BackgroundDrawable and BorderDrawable instead of CSSBackgroundDrawable',
-        expectedReleaseValue: true,
-        purpose: 'experimentation',
-      },
-      ossReleaseStage: 'none',
-    },
     enablePreparedTextLayout: {
       defaultValue: false,
       metadata: {
@@ -591,17 +591,6 @@ const definitions: FeatureFlagDefinitions = {
       },
       ossReleaseStage: 'experimental',
     },
-    releaseImageDataWhenConsumed: {
-      defaultValue: false,
-      metadata: {
-        dateAdded: '2025-07-10',
-        description:
-          'Releases the cached image data when it is consumed by the observers.',
-        expectedReleaseValue: true,
-        purpose: 'experimentation',
-      },
-      ossReleaseStage: 'none',
-    },
     shouldPressibilityUseW3CPointerEventsForHover: {
       defaultValue: false,
       metadata: {
@@ -839,6 +828,16 @@ const definitions: FeatureFlagDefinitions = {
       },
       ossReleaseStage: 'stable',
     },
+    enableVirtualViewExperimental: {
+      defaultValue: false,
+      metadata: {
+        dateAdded: '2025-08-29',
+        description: 'Enables the experimental version of `VirtualView`.',
+        expectedReleaseValue: true,
+        purpose: 'experimentation',
+      },
+      ossReleaseStage: 'none',
+    },
     fixVirtualizeListCollapseWindowSize: {
       defaultValue: false,
       metadata: {

packages/react-native/scripts/replace-rncore-version.js

@@ -10,7 +10,7 @@
 
 'use strict';
 
-const {execSync} = require('child_process');
+const {spawnSync} = require('child_process');
 const fs = require('fs');
 const yargs = require('yargs');
 
@@ -67,7 +67,9 @@ function replaceRNCoreConfiguration(
   fs.mkdirSync(finalLocation, {recursive: true});
 
   console.log('Extracting the tarball', tarballURLPath);
-  execSync(`tar -xf ${tarballURLPath} -C ${finalLocation}`);
+  spawnSync('tar', ['-xf', tarballURLPath, '-C', finalLocation], {
+    stdio: 'inherit',
+  });
 }
 
 function updateLastBuildConfiguration(configuration /*: string */) {

packages/react-native/sdks/hermes-engine/utils/replace_hermes_version.js

@@ -10,7 +10,7 @@
 
 'use strict';
 
-const {execSync} = require('child_process');
+const {spawnSync} = require('child_process');
 const fs = require('fs');
 const yargs = require('yargs');
 
@@ -62,7 +62,9 @@ function replaceHermesConfiguration(configuration, version, podsRoot) {
   fs.mkdirSync(finalLocation, {recursive: true});
 
   console.log('Extracting the tarball');
-  execSync(`tar -xf ${tarballURLPath} -C ${finalLocation}`);
+  spawnSync('tar', ['-xf', tarballURLPath, '-C', finalLocation], {
+    stdio: 'inherit',
+  });
 }
 
 function updateLastBuildConfiguration(configuration) {

packages/react-native/settings.gradle.kts

@@ -29,3 +29,12 @@ include(":packages:react-native:ReactAndroid:hermes-engine")
 
 project(":packages:react-native:ReactAndroid:hermes-engine").projectDir =
     file("ReactAndroid/hermes-engine/")
+
+// Since Gradle 9.0, all the projects in the path must have an existing folder.
+// As we build :packages:react-native:ReactAndroid, we need to declare the folders
+// for :packages and :packages:react-native as well as otherwise the build from
+// source will fail with a missing folder exception.
+
+project(":packages").projectDir = file("/tmp")
+
+project(":packages:react-native").projectDir = file("/tmp")

packages/react-native/src/private/components/virtualview/VirtualView.js

@@ -16,7 +16,7 @@ import type {NativeModeChangeEvent} from './VirtualViewNativeComponent';
 import StyleSheet from '../../../../Libraries/StyleSheet/StyleSheet';
 import * as ReactNativeFeatureFlags from '../../featureflags/ReactNativeFeatureFlags';
 import VirtualViewExperimentalNativeComponent from './VirtualViewExperimentalNativeComponent';
-import VirtualViewNativeComponent from './VirtualViewNativeComponent';
+import VirtualViewClassicNativeComponent from './VirtualViewNativeComponent';
 import nullthrows from 'nullthrows';
 import * as React from 'react';
 // $FlowFixMe[missing-export]
@@ -49,8 +49,14 @@ export type ModeChangeEvent = $ReadOnly<{
   target: HostInstance,
 }>;
 
+const VirtualViewNativeComponent: typeof VirtualViewClassicNativeComponent =
+  ReactNativeFeatureFlags.enableVirtualViewExperimental()
+    ? VirtualViewExperimentalNativeComponent
+    : VirtualViewClassicNativeComponent;
+
 type VirtualViewComponent = component(
   children?: React.Node,
+  hiddenStyle?: (targetRect: Rect) => ViewStyleProp,
   nativeID?: string,
   ref?: ?React.RefSetter<React.ElementRef<typeof VirtualViewNativeComponent>>,
   style?: ?ViewStyleProp,
@@ -58,23 +64,21 @@ type VirtualViewComponent = component(
   removeClippedSubviews?: boolean,
 );
 
-type HiddenHeight = number;
 const NotHidden = null;
+type HiddenStyle = Exclude<ViewStyleProp, typeof NotHidden>;
 
-type State = HiddenHeight | typeof NotHidden;
+type State = HiddenStyle | typeof NotHidden;
 
-function createVirtualView(
-  initialState: State,
-  experimental: boolean,
-): VirtualViewComponent {
+function defaultHiddenStyle(targetRect: Rect): ViewStyleProp {
+  return {minHeight: targetRect.height, minWidth: targetRect.width};
+}
+
+function createVirtualView(initialState: State): VirtualViewComponent {
   const initialHidden = initialState !== NotHidden;
 
-  const NativeComponent = experimental
-    ? VirtualViewExperimentalNativeComponent
-    : VirtualViewNativeComponent;
-
   component VirtualView(
     children?: React.Node,
+    hiddenStyle: (targetRect: Rect) => ViewStyleProp = defaultHiddenStyle,
     nativeID?: string,
     ref?: ?React.RefSetter<React.ElementRef<typeof VirtualViewNativeComponent>>,
     style?: ?ViewStyleProp,
@@ -114,9 +118,8 @@ function createVirtualView(
           });
         }
         VirtualViewMode.Hidden => {
-          const {height} = event.nativeEvent.targetRect;
           startTransition(() => {
-            setState(height as HiddenHeight);
+            setState(hiddenStyle(event.nativeEvent.targetRect) ?? {});
             emitModeChange?.();
           });
         }
@@ -124,7 +127,7 @@ function createVirtualView(
     };
 
     return (
-      <NativeComponent
+      <VirtualViewNativeComponent
         initialHidden={initialHidden}
         nativeID={nativeID}
         ref={ref}
@@ -136,9 +139,7 @@ function createVirtualView(
         }
         style={
           isHidden
-            ? StyleSheet.compose(style, {
-                height: Math.abs(nullthrows(state) as HiddenHeight),
-              })
+            ? StyleSheet.compose(style, nullthrows(state) as HiddenStyle)
             : style
         }
         onModeChange={handleModeChange}>
@@ -153,24 +154,18 @@ function createVirtualView(
             'no-activity' | _ => isHidden ? null : children,
           }
         }
-      </NativeComponent>
+      </VirtualViewNativeComponent>
     );
   }
   return VirtualView;
 }
 
-export default createVirtualView(NotHidden, false) as VirtualViewComponent;
-
-export const VirtualViewExperimental = createVirtualView(
-  NotHidden,
-  true,
-) as VirtualViewComponent;
+export default createVirtualView(NotHidden) as VirtualViewComponent;
 
 export function createHiddenVirtualView(
-  height: number,
-  experimental: boolean,
+  style: ViewStyleProp,
 ): VirtualViewComponent {
-  return createVirtualView(height as HiddenHeight, experimental);
+  return createVirtualView((style ?? {}) as HiddenStyle);
 }
 
 export const _logs: {states?: Array<State>} = {};

packages/react-native/src/private/components/virtualview/__tests__/VirtualView-itest.js

@@ -119,19 +119,19 @@ describe('mode changes', () => {
 });
 
 describe('styles', () => {
-  test('does not set height when visible', () => {
+  test('does not set styles when visible', () => {
     const root = Fantom.createRoot();
 
     Fantom.runTask(() => {
       root.render(<VirtualView />);
     });
 
-    expect(root.getRenderedOutput({props: ['height']}).toJSX()).toEqual(
-      <rn-virtualView />,
-    );
+    expect(
+      root.getRenderedOutput({props: ['minHeight', 'minWidth']}).toJSX(),
+    ).toEqual(<rn-virtualView />);
   });
 
-  test('does not set height when prerendered', () => {
+  test('does not set styles when prerendered', () => {
     const root = Fantom.createRoot();
     const viewRef = createRef<React.RefOf<VirtualView>>();
 
@@ -141,12 +141,12 @@ describe('styles', () => {
 
     dispatchModeChangeEvent(viewRef.current, VirtualViewMode.Prerender);
 
-    expect(root.getRenderedOutput({props: ['height']}).toJSX()).toEqual(
-      <rn-virtualView />,
-    );
+    expect(
+      root.getRenderedOutput({props: ['minHeight', 'minWidth']}).toJSX(),
+    ).toEqual(<rn-virtualView />);
   });
 
-  test('sets height when hidden', () => {
+  test('sets styles when hidden', () => {
     const root = Fantom.createRoot();
     const viewRef = createRef<React.RefOf<VirtualView>>();
 
@@ -156,9 +156,9 @@ describe('styles', () => {
 
     dispatchModeChangeEvent(viewRef.current, VirtualViewMode.Hidden);
 
-    expect(root.getRenderedOutput({props: ['height']}).toJSX()).toEqual(
-      <rn-virtualView height="100.000000" />,
-    );
+    expect(
+      root.getRenderedOutput({props: ['minHeight', 'minWidth']}).toJSX(),
+    ).toEqual(<rn-virtualView minHeight="100.000000" minWidth="100.000000" />);
   });
 });
 

packages/react-native/src/private/featureflags/ReactNativeFeatureFlags.js

@@ -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<<85a053d6a79240a7b4e181d3054ecfd3>>
+ * @generated SignedSource<<7de65fc90fa1275f89375fd214b94172>>
  * @flow strict
  * @noformat
  */
@@ -34,6 +34,7 @@ export type ReactNativeFeatureFlagsJsOnly = $ReadOnly<{
   deferFlatListFocusChangeRenderUpdate: Getter<boolean>,
   disableMaintainVisibleContentPosition: Getter<boolean>,
   enableAccessToHostTreeInFabric: Getter<boolean>,
+  enableVirtualViewExperimental: Getter<boolean>,
   fixVirtualizeListCollapseWindowSize: Getter<boolean>,
   isLayoutAnimationEnabled: Getter<boolean>,
   reduceDefaultPropsInImage: Getter<boolean>,
@@ -73,6 +74,7 @@ export type ReactNativeFeatureFlags = $ReadOnly<{
   enableIOSTextBaselineOffsetPerLine: Getter<boolean>,
   enableIOSViewClipToPaddingBox: Getter<boolean>,
   enableImagePrefetchingAndroid: Getter<boolean>,
+  enableImagePrefetchingOnUiThreadAndroid: Getter<boolean>,
   enableImmediateUpdateModeForContentOffsetChanges: Getter<boolean>,
   enableInteropViewManagerClassLookUpOptimizationIOS: Getter<boolean>,
   enableLayoutAnimationsOnAndroid: Getter<boolean>,
@@ -81,7 +83,6 @@ export type ReactNativeFeatureFlags = $ReadOnly<{
   enableModuleArgumentNSNullConversionIOS: Getter<boolean>,
   enableNativeCSSParsing: Getter<boolean>,
   enableNetworkEventReporting: Getter<boolean>,
-  enableNewBackgroundAndBorderDrawables: Getter<boolean>,
   enablePreparedTextLayout: Getter<boolean>,
   enablePropsUpdateReconciliationAndroid: Getter<boolean>,
   enableResourceTimingAPI: Getter<boolean>,
@@ -100,7 +101,6 @@ export type ReactNativeFeatureFlags = $ReadOnly<{
   perfMonitorV2Enabled: Getter<boolean>,
   preparedTextCacheSize: Getter<number>,
   preventShadowTreeCommitExhaustion: Getter<boolean>,
-  releaseImageDataWhenConsumed: Getter<boolean>,
   shouldPressibilityUseW3CPointerEventsForHover: Getter<boolean>,
   skipActivityIdentityAssertionOnHostPause: Getter<boolean>,
   sweepActiveTouchOnChildNativeGesturesAndroid: Getter<boolean>,
@@ -150,6 +150,11 @@ export const disableMaintainVisibleContentPosition: Getter<boolean> = createJava
  */
 export const enableAccessToHostTreeInFabric: Getter<boolean> = createJavaScriptFlagGetter('enableAccessToHostTreeInFabric', true);
 
+/**
+ * Enables the experimental version of `VirtualView`.
+ */
+export const enableVirtualViewExperimental: Getter<boolean> = createJavaScriptFlagGetter('enableVirtualViewExperimental', false);
+
 /**
  * Fixing an edge case where the current window size is not properly calculated with fast scrolling. Window size collapsed to 1 element even if windowSize more than the current amount of elements
  */
@@ -290,6 +295,10 @@ export const enableIOSViewClipToPaddingBox: Getter<boolean> = createNativeFlagGe
  * When enabled, Android will build and initiate image prefetch requests on ImageShadowNode::layout
  */
 export const enableImagePrefetchingAndroid: Getter<boolean> = createNativeFlagGetter('enableImagePrefetchingAndroid', false);
+/**
+ * When enabled, Android will initiate image prefetch requested on ImageShadowNode::layout on the UI thread
+ */
+export const enableImagePrefetchingOnUiThreadAndroid: Getter<boolean> = createNativeFlagGetter('enableImagePrefetchingOnUiThreadAndroid', false);
 /**
  * Dispatches state updates for content offset changes synchronously on the main thread.
  */
@@ -322,10 +331,6 @@ export const enableNativeCSSParsing: Getter<boolean> = createNativeFlagGetter('e
  * Enable network event reporting hooks in each native platform through `NetworkReporter`. This flag should be combined with `enableResourceTimingAPI` and `fuseboxNetworkInspectionEnabled` to enable end-to-end reporting behaviour via the Web Performance API and CDP debugging respectively.
  */
 export const enableNetworkEventReporting: Getter<boolean> = createNativeFlagGetter('enableNetworkEventReporting', false);
-/**
- * Use BackgroundDrawable and BorderDrawable instead of CSSBackgroundDrawable
- */
-export const enableNewBackgroundAndBorderDrawables: Getter<boolean> = createNativeFlagGetter('enableNewBackgroundAndBorderDrawables', true);
 /**
  * Enables caching text layout artifacts for later reuse
  */
@@ -398,10 +403,6 @@ export const preparedTextCacheSize: Getter<number> = createNativeFlagGetter('pre
  * Enables a new mechanism in ShadowTree to prevent problems caused by multiple threads trying to commit concurrently. If a thread tries to commit a few times unsuccessfully, it will acquire a lock and try again.
  */
 export const preventShadowTreeCommitExhaustion: Getter<boolean> = createNativeFlagGetter('preventShadowTreeCommitExhaustion', false);
-/**
- * Releases the cached image data when it is consumed by the observers.
- */
-export const releaseImageDataWhenConsumed: Getter<boolean> = createNativeFlagGetter('releaseImageDataWhenConsumed', false);
 /**
  * Function used to enable / disable Pressibility from using W3C Pointer Events for its hover callbacks
  */

packages/react-native/src/private/featureflags/specs/NativeReactNativeFeatureFlags.js

@@ -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<<da22f4c43e3bdcd999e3dd1dd5896c63>>
+ * @generated SignedSource<<1e6f17de0ebb06a085d4cc563df1e32b>>
  * @flow strict
  * @noformat
  */
@@ -49,6 +49,7 @@ export interface Spec extends TurboModule {
   +enableIOSTextBaselineOffsetPerLine?: () => boolean;
   +enableIOSViewClipToPaddingBox?: () => boolean;
   +enableImagePrefetchingAndroid?: () => boolean;
+  +enableImagePrefetchingOnUiThreadAndroid?: () => boolean;
   +enableImmediateUpdateModeForContentOffsetChanges?: () => boolean;
   +enableInteropViewManagerClassLookUpOptimizationIOS?: () => boolean;
   +enableLayoutAnimationsOnAndroid?: () => boolean;
@@ -57,7 +58,6 @@ export interface Spec extends TurboModule {
   +enableModuleArgumentNSNullConversionIOS?: () => boolean;
   +enableNativeCSSParsing?: () => boolean;
   +enableNetworkEventReporting?: () => boolean;
-  +enableNewBackgroundAndBorderDrawables?: () => boolean;
   +enablePreparedTextLayout?: () => boolean;
   +enablePropsUpdateReconciliationAndroid?: () => boolean;
   +enableResourceTimingAPI?: () => boolean;
@@ -76,7 +76,6 @@ export interface Spec extends TurboModule {
   +perfMonitorV2Enabled?: () => boolean;
   +preparedTextCacheSize?: () => number;
   +preventShadowTreeCommitExhaustion?: () => boolean;
-  +releaseImageDataWhenConsumed?: () => boolean;
   +shouldPressibilityUseW3CPointerEventsForHover?: () => boolean;
   +skipActivityIdentityAssertionOnHostPause?: () => boolean;
   +sweepActiveTouchOnChildNativeGesturesAndroid?: () => boolean;

packages/react-native/src/private/setup/setUpPerformanceModern.js

@@ -12,13 +12,62 @@ import {polyfillGlobal} from '../../../Libraries/Utilities/PolyfillFunctions';
 
 let initialized = false;
 
-export default function setUpPerformanceObserver() {
+export default function setUpPerformanceModern() {
   if (initialized) {
     return;
   }
 
   initialized = true;
 
+  const Performance = require('../webapis/performance/Performance').default;
+
+  // We don't use `polyfillGlobal` to define this lazily because the
+  // `performance` object is always accessed.
+  // $FlowExpectedError[cannot-write]
+  global.performance = new Performance();
+
+  polyfillGlobal(
+    'EventCounts',
+    () => require('../webapis/performance/EventTiming').EventCounts_public,
+  );
+
+  polyfillGlobal(
+    'Performance',
+    () => require('../webapis/performance/Performance').Performance_public,
+  );
+
+  polyfillGlobal(
+    'PerformanceEntry',
+    () =>
+      require('../webapis/performance/PerformanceEntry')
+        .PerformanceEntry_public,
+  );
+
+  polyfillGlobal(
+    'PerformanceEventTiming',
+    () =>
+      require('../webapis/performance/EventTiming')
+        .PerformanceEventTiming_public,
+  );
+
+  polyfillGlobal(
+    'PerformanceLongTaskTiming',
+    () =>
+      require('../webapis/performance/LongTasks')
+        .PerformanceLongTaskTiming_public,
+  );
+
+  polyfillGlobal(
+    'PerformanceMark',
+    () => require('../webapis/performance/UserTiming').PerformanceMark,
+  );
+
+  polyfillGlobal(
+    'PerformanceMeasure',
+    () =>
+      require('../webapis/performance/UserTiming').PerformanceMeasure_public,
+  );
+
   polyfillGlobal(
     'PerformanceObserver',
     () =>
@@ -29,43 +78,19 @@ export default function setUpPerformanceObserver() {
     'PerformanceObserverEntryList',
     () =>
       require('../webapis/performance/PerformanceObserver')
-        .PerformanceObserverEntryList,
-  );
-
-  polyfillGlobal(
-    'PerformanceEntry',
-    () => require('../webapis/performance/PerformanceEntry').PerformanceEntry,
-  );
-
-  polyfillGlobal(
-    'PerformanceMark',
-    () => require('../webapis/performance/UserTiming').PerformanceMark,
-  );
-
-  polyfillGlobal(
-    'PerformanceMeasure',
-    () => require('../webapis/performance/UserTiming').PerformanceMeasure,
-  );
-
-  polyfillGlobal(
-    'PerformanceEventTiming',
-    () => require('../webapis/performance/EventTiming').PerformanceEventTiming,
+        .PerformanceObserverEntryList_public,
   );
 
   polyfillGlobal(
     'PerformanceResourceTiming',
     () =>
       require('../webapis/performance/ResourceTiming')
-        .PerformanceResourceTiming,
+        .PerformanceResourceTiming_public,
   );
 
   polyfillGlobal(
     'TaskAttributionTiming',
-    () => require('../webapis/performance/LongTasks').TaskAttributionTiming,
-  );
-
-  polyfillGlobal(
-    'PerformanceLongTaskTiming',
-    () => require('../webapis/performance/LongTasks').PerformanceLongTaskTiming,
+    () =>
+      require('../webapis/performance/LongTasks').TaskAttributionTiming_public,
   );
 }

packages/react-native/src/private/webapis/performance/EventTiming.js

@@ -9,9 +9,9 @@
  */
 
 // flowlint unsafe-getters-setters:off
-
 import type {
   DOMHighResTimeStamp,
+  PerformanceEntryInit,
   PerformanceEntryJSON,
 } from './PerformanceEntry';
 
@@ -29,25 +29,20 @@ export type PerformanceEventTimingJSON = {
   ...
 };
 
+export interface PerformanceEventTimingInit extends PerformanceEntryInit {
+  +processingStart?: DOMHighResTimeStamp;
+  +processingEnd?: DOMHighResTimeStamp;
+  +interactionId?: number;
+}
+
 export class PerformanceEventTiming extends PerformanceEntry {
   #processingStart: DOMHighResTimeStamp;
   #processingEnd: DOMHighResTimeStamp;
   #interactionId: number;
 
-  constructor(init: {
-    name: string,
-    startTime?: DOMHighResTimeStamp,
-    duration?: DOMHighResTimeStamp,
-    processingStart?: DOMHighResTimeStamp,
-    processingEnd?: DOMHighResTimeStamp,
-    interactionId?: number,
-  }) {
-    super({
-      name: init.name,
-      entryType: 'event',
-      startTime: init.startTime ?? 0,
-      duration: init.duration ?? 0,
-    });
+  constructor(init: PerformanceEventTimingInit) {
+    super('event', init);
+
     this.#processingStart = init.processingStart ?? 0;
     this.#processingEnd = init.processingEnd ?? 0;
     this.#interactionId = init.interactionId ?? 0;
@@ -75,6 +70,18 @@ export class PerformanceEventTiming extends PerformanceEntry {
   }
 }
 
+export const PerformanceEventTiming_public: typeof PerformanceEventTiming =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function PerformanceEventTiming() {
+    throw new TypeError(
+      "Failed to construct 'PerformanceEventTiming': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+PerformanceEventTiming_public.prototype = PerformanceEventTiming.prototype;
+
 type EventCountsForEachCallbackType =
   | (() => void)
   | ((value: number) => void)
@@ -139,3 +146,15 @@ export class EventCounts {
     return getCachedEventCounts().values();
   }
 }
+
+export const EventCounts_public: typeof EventCounts =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function EventCounts() {
+    throw new TypeError(
+      "Failed to construct 'EventCounts': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+EventCounts_public.prototype = EventCounts.prototype;

packages/react-native/src/private/webapis/performance/LongTasks.js

@@ -9,8 +9,10 @@
  */
 
 // flowlint unsafe-getters-setters:off
-
-import type {PerformanceEntryJSON} from './PerformanceEntry';
+import type {
+  PerformanceEntryInit,
+  PerformanceEntryJSON,
+} from './PerformanceEntry';
 
 import {PerformanceEntry} from './PerformanceEntry';
 
@@ -22,10 +24,28 @@ export type PerformanceLongTaskTimingJSON = {
 
 export class TaskAttributionTiming extends PerformanceEntry {}
 
+export const TaskAttributionTiming_public: typeof TaskAttributionTiming =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function TaskAttributionTiming() {
+    throw new TypeError(
+      "Failed to construct 'TaskAttributionTiming': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+TaskAttributionTiming_public.prototype = TaskAttributionTiming.prototype;
+
 const EMPTY_ATTRIBUTION: $ReadOnlyArray<TaskAttributionTiming> =
   Object.preventExtensions([]);
 
+export interface PerformanceLongTaskTimingInit extends PerformanceEntryInit {}
+
 export class PerformanceLongTaskTiming extends PerformanceEntry {
+  constructor(init: PerformanceEntryInit) {
+    super('longtask', init);
+  }
+
   get attribution(): $ReadOnlyArray<TaskAttributionTiming> {
     return EMPTY_ATTRIBUTION;
   }
@@ -37,3 +57,16 @@ export class PerformanceLongTaskTiming extends PerformanceEntry {
     };
   }
 }
+
+export const PerformanceLongTaskTiming_public: typeof PerformanceLongTaskTiming =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function PerformanceLongTaskTiming() {
+    throw new TypeError(
+      "Failed to construct 'PerformanceLongTaskTiming': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+PerformanceLongTaskTiming_public.prototype =
+  PerformanceLongTaskTiming.prototype;

packages/react-native/src/private/webapis/performance/Performance.js

@@ -64,12 +64,13 @@ const cachedGetMarkTime = NativePerformance.getMarkTime;
 const cachedNativeClearMarks = NativePerformance.clearMarks;
 const cachedNativeClearMeasures = NativePerformance.clearMeasures;
 
-const MARK_OPTIONS_REUSABLE_OBJECT: {...PerformanceMarkOptions} = {
+const MARK_OPTIONS_REUSABLE_OBJECT: PerformanceMarkOptions = {
   startTime: 0,
   detail: undefined,
 };
 
-const MEASURE_OPTIONS_REUSABLE_OBJECT: {...PerformanceMeasureInit} = {
+const MEASURE_OPTIONS_REUSABLE_OBJECT: PerformanceMeasureInit = {
+  name: '',
   startTime: 0,
   duration: 0,
   detail: undefined,
@@ -189,7 +190,9 @@ export default class Performance {
       resolvedDetail = structuredClone(detail);
     }
 
+    // $FlowExpectedError[cannot-write]
     MARK_OPTIONS_REUSABLE_OBJECT.startTime = resolvedStartTime;
+    // $FlowExpectedError[cannot-write]
     MARK_OPTIONS_REUSABLE_OBJECT.detail = resolvedDetail;
 
     const entry = new PerformanceMark(
@@ -367,14 +370,16 @@ export default class Performance {
       }
     }
 
+    // $FlowExpectedError[cannot-write]
+    MEASURE_OPTIONS_REUSABLE_OBJECT.name = resolvedMeasureName;
+    // $FlowExpectedError[cannot-write]
     MEASURE_OPTIONS_REUSABLE_OBJECT.startTime = resolvedStartTime;
+    // $FlowExpectedError[cannot-write]
     MEASURE_OPTIONS_REUSABLE_OBJECT.duration = resolvedDuration;
+    // $FlowExpectedError[cannot-write]
     MEASURE_OPTIONS_REUSABLE_OBJECT.detail = resolvedDetail;
 
-    const entry = new PerformanceMeasure(
-      resolvedMeasureName,
-      MEASURE_OPTIONS_REUSABLE_OBJECT,
-    );
+    const entry = new PerformanceMeasure(MEASURE_OPTIONS_REUSABLE_OBJECT);
 
     cachedReportMeasure(
       resolvedMeasureName,
@@ -438,4 +443,16 @@ export default class Performance {
   }
 }
 
+export const Performance_public: typeof Performance =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function Performance() {
+    throw new TypeError(
+      "Failed to construct 'Performance': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+Performance_public.prototype = Performance.prototype;
+
 setPlatformObject(Performance);

packages/react-native/src/private/webapis/performance/PerformanceEntry.js

@@ -28,24 +28,25 @@ export type PerformanceEntryJSON = {
   ...
 };
 
+export interface PerformanceEntryInit {
+  +name: string;
+  +startTime: DOMHighResTimeStamp;
+  +duration: DOMHighResTimeStamp;
+}
+
 export class PerformanceEntry {
   // We don't use private fields because they're significantly slower to
   // initialize on construction and to access.
   // We also need these to be protected so they can be initialized in subclasses
   // where we avoid calling `super()` for performance reasons.
-  __name: string;
   __entryType: PerformanceEntryType;
+  __name: string;
   __startTime: DOMHighResTimeStamp;
   __duration: DOMHighResTimeStamp;
 
-  constructor(init: {
-    name: string,
-    entryType: PerformanceEntryType,
-    startTime: DOMHighResTimeStamp,
-    duration: DOMHighResTimeStamp,
-  }) {
+  constructor(entryType: PerformanceEntryType, init: PerformanceEntryInit) {
+    this.__entryType = entryType;
     this.__name = init.name;
-    this.__entryType = init.entryType;
     this.__startTime = init.startTime;
     this.__duration = init.duration;
   }
@@ -76,6 +77,18 @@ export class PerformanceEntry {
   }
 }
 
+export const PerformanceEntry_public: typeof PerformanceEntry =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function PerformanceEntry() {
+    throw new TypeError(
+      "Failed to construct 'PerformanceEntry': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+PerformanceEntry_public.prototype = PerformanceEntry.prototype;
+
 setPlatformObject(PerformanceEntry);
 
 export type PerformanceEntryList = $ReadOnlyArray<PerformanceEntry>;

packages/react-native/src/private/webapis/performance/PerformanceObserver.js

@@ -57,6 +57,19 @@ export class PerformanceObserverEntryList {
   }
 }
 
+export const PerformanceObserverEntryList_public: typeof PerformanceObserverEntryList =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function PerformanceObserverEntryList() {
+    throw new TypeError(
+      "Failed to construct 'PerformanceObserverEntryList': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+PerformanceObserverEntryList_public.prototype =
+  PerformanceObserverEntryList.prototype;
+
 export type PerformanceObserverCallbackOptions = {
   droppedEntriesCount: number,
 };
@@ -145,6 +158,22 @@ export class PerformanceObserver {
     NativePerformance.disconnect(this.#nativeObserverHandle);
   }
 
+  takeRecords(): PerformanceEntryList {
+    let entries: PerformanceEntryList = [];
+
+    if (this.#nativeObserverHandle != null) {
+      const rawEntries = NativePerformance.takeRecords(
+        this.#nativeObserverHandle,
+        true,
+      );
+      if (rawEntries && rawEntries.length > 0) {
+        entries = rawEntries.map(rawToPerformanceEntry);
+      }
+    }
+
+    return entries;
+  }
+
   #createNativeObserver(): OpaqueNativeObserverHandle | null {
     this.#calledAtLeastOnce = false;
 
@@ -154,7 +183,7 @@ export class PerformanceObserver {
           observerHandle,
           true, // sort records
         );
-        if (!rawEntries) {
+        if (!rawEntries || rawEntries.length === 0) {
           return;
         }
 

packages/react-native/src/private/webapis/performance/ResourceTiming.js

@@ -29,6 +29,19 @@ export type PerformanceResourceTimingJSON = {
   ...
 };
 
+export interface PerformanceResourceTimingInit {
+  +name: string;
+  +startTime: DOMHighResTimeStamp;
+  +duration: DOMHighResTimeStamp;
+  +fetchStart: DOMHighResTimeStamp;
+  +requestStart: DOMHighResTimeStamp;
+  +connectStart: DOMHighResTimeStamp;
+  +connectEnd: DOMHighResTimeStamp;
+  +responseStart: DOMHighResTimeStamp;
+  +responseEnd: DOMHighResTimeStamp;
+  +responseStatus?: number;
+}
+
 export class PerformanceResourceTiming extends PerformanceEntry {
   #fetchStart: DOMHighResTimeStamp;
   #requestStart: DOMHighResTimeStamp;
@@ -38,24 +51,9 @@ export class PerformanceResourceTiming extends PerformanceEntry {
   #responseEnd: DOMHighResTimeStamp;
   #responseStatus: ?number;
 
-  constructor(init: {
-    name: string,
-    startTime: DOMHighResTimeStamp,
-    duration: DOMHighResTimeStamp,
-    fetchStart: DOMHighResTimeStamp,
-    requestStart: DOMHighResTimeStamp,
-    connectStart: DOMHighResTimeStamp,
-    connectEnd: DOMHighResTimeStamp,
-    responseStart: DOMHighResTimeStamp,
-    responseEnd: DOMHighResTimeStamp,
-    responseStatus?: number,
-  }) {
-    super({
-      name: init.name,
-      entryType: 'resource',
-      startTime: init.startTime,
-      duration: init.duration,
-    });
+  constructor(init: PerformanceResourceTimingInit) {
+    super('resource', init);
+
     this.#fetchStart = init.fetchStart;
     this.#requestStart = init.requestStart;
     this.#connectStart = init.connectStart;
@@ -106,3 +104,16 @@ export class PerformanceResourceTiming extends PerformanceEntry {
     };
   }
 }
+
+export const PerformanceResourceTiming_public: typeof PerformanceResourceTiming =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function PerformanceResourceTiming() {
+    throw new TypeError(
+      "Failed to construct 'PerformanceResourceTiming': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+PerformanceResourceTiming_public.prototype =
+  PerformanceResourceTiming.prototype;

packages/react-native/src/private/webapis/performance/UserTiming.js

@@ -9,8 +9,10 @@
  */
 
 // flowlint unsafe-getters-setters:off
-
-import type {DOMHighResTimeStamp} from './PerformanceEntry';
+import type {
+  DOMHighResTimeStamp,
+  PerformanceEntryInit,
+} from './PerformanceEntry';
 import type {
   ExtensionMarkerPayload,
   ExtensionTrackEntryPayload,
@@ -25,18 +27,16 @@ export type DetailType =
   // but we'll use it as documentation for how to use the extensibility API.
   | {devtools?: ExtensionMarkerPayload | ExtensionTrackEntryPayload, ...};
 
-export type PerformanceMarkOptions = $ReadOnly<{
-  detail?: DetailType,
-  startTime?: DOMHighResTimeStamp,
-}>;
+export interface PerformanceMarkOptions {
+  +detail?: DetailType;
+  +startTime?: DOMHighResTimeStamp;
+}
 
 export type TimeStampOrName = DOMHighResTimeStamp | string;
 
-export type PerformanceMeasureInit = $ReadOnly<{
-  detail?: DetailType,
-  startTime: DOMHighResTimeStamp,
-  duration: DOMHighResTimeStamp,
-}>;
+export interface PerformanceMeasureInit extends PerformanceEntryInit {
+  +detail?: DetailType;
+}
 
 class PerformanceMarkTemplate extends PerformanceEntry {
   // We don't use private fields because they're significantly slower to
@@ -45,9 +45,8 @@ class PerformanceMarkTemplate extends PerformanceEntry {
 
   // This constructor isn't really used. See `PerformanceMark` below.
   constructor(markName: string, markOptions?: PerformanceMarkOptions) {
-    super({
+    super('mark', {
       name: markName,
-      entryType: 'mark',
       startTime: markOptions?.startTime ?? getCurrentTimeStamp(),
       duration: 0,
     });
@@ -72,8 +71,8 @@ export const PerformanceMark: typeof PerformanceMarkTemplate =
     markName: string,
     markOptions?: PerformanceMarkOptions,
   ) {
-    this.__name = markName;
     this.__entryType = 'mark';
+    this.__name = markName;
     this.__startTime = markOptions?.startTime ?? getCurrentTimeStamp();
     this.__duration = 0;
 
@@ -89,15 +88,10 @@ class PerformanceMeasureTemplate extends PerformanceEntry {
   __detail: DetailType;
 
   // This constructor isn't really used. See `PerformanceMeasure` below.
-  constructor(measureName: string, measureOptions: PerformanceMeasureInit) {
-    super({
-      name: measureName,
-      entryType: 'measure',
-      startTime: measureOptions.startTime,
-      duration: measureOptions.duration,
-    });
+  constructor(init: PerformanceMeasureInit) {
+    super('measure', init);
 
-    this.__detail = measureOptions?.detail ?? null;
+    this.__detail = init?.detail ?? null;
   }
 
   get detail(): DetailType {
@@ -110,16 +104,27 @@ export const PerformanceMeasure: typeof PerformanceMeasureTemplate =
   // $FlowExpectedError[incompatible-type]
   function PerformanceMeasure(
     this: PerformanceMeasureTemplate,
-    measureName: string,
-    measureOptions: PerformanceMeasureInit,
+    init: PerformanceMeasureInit,
   ) {
-    this.__name = measureName;
     this.__entryType = 'measure';
-    this.__startTime = measureOptions.startTime;
-    this.__duration = measureOptions.duration;
+    this.__name = init.name;
+    this.__startTime = init.startTime;
+    this.__duration = init.duration;
 
-    this.__detail = measureOptions.detail ?? null;
+    this.__detail = init.detail ?? null;
   };
 
 // $FlowExpectedError[prop-missing]
 PerformanceMeasure.prototype = PerformanceMeasureTemplate.prototype;
+
+export const PerformanceMeasure_public: typeof PerformanceMeasure =
+  /* eslint-disable no-shadow */
+  // $FlowExpectedError[incompatible-type]
+  function PerformanceMeasure() {
+    throw new TypeError(
+      "Failed to construct 'PerformanceMeasure': Illegal constructor",
+    );
+  };
+
+// $FlowExpectedError[prop-missing]
+PerformanceMeasure_public.prototype = PerformanceMeasure.prototype;

packages/react-native/src/private/webapis/performance/__tests__/EventTimingAPI-itest.js

@@ -10,24 +10,14 @@
 
 import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
 
-import type Performance from 'react-native/src/private/webapis/performance/Performance';
-import type {PerformanceObserverEntryList} from 'react-native/src/private/webapis/performance/PerformanceObserver';
-
 import MaybeNativePerformance from '../specs/NativePerformance';
 import * as Fantom from '@react-native/fantom';
 import nullthrows from 'nullthrows';
 import {useState} from 'react';
 import {Text, View} from 'react-native';
-import setUpPerformanceObserver from 'react-native/src/private/setup/setUpPerformanceObserver';
-import {PerformanceEventTiming} from 'react-native/src/private/webapis/performance/EventTiming';
-import {PerformanceObserver} from 'react-native/src/private/webapis/performance/PerformanceObserver';
 
 const NativePerformance = nullthrows(MaybeNativePerformance);
 
-setUpPerformanceObserver();
-
-declare var performance: Performance;
-
 function sleep(ms: number) {
   const end = performance.now() + ms;
   while (performance.now() < end) {}
@@ -251,6 +241,21 @@ describe('Event Timing API', () => {
     expect([...performance.eventCounts.values()]).toEqual([1, 1, 3]);
   });
 
+  it('does NOT allow creating instances of PerformanceEventTiming directly', () => {
+    expect(() => {
+      return new PerformanceEventTiming();
+    }).toThrow(
+      "Failed to construct 'PerformanceEventTiming': Illegal constructor",
+    );
+  });
+
+  it('does NOT allow creating instances of EventCounts directly', () => {
+    expect(() => {
+      // $FlowExpectedError[cannot-resolve-name]
+      return new EventCounts();
+    }).toThrow("Failed to construct 'EventCounts': Illegal constructor");
+  });
+
   describe('durationThreshold option', () => {
     it('works when used with `type`', () => {
       const callback = jest.fn();

packages/react-native/src/private/webapis/performance/__tests__/LongTasksAPI-itest.js

@@ -10,17 +10,9 @@
 
 import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
 
-import type {
-  PerformanceObserverCallbackOptions,
-  PerformanceObserverEntryList,
-} from 'react-native/src/private/webapis/performance/PerformanceObserver';
+import type {PerformanceObserverCallbackOptions} from '../PerformanceObserver';
 
 import * as Fantom from '@react-native/fantom';
-import setUpPerformanceObserver from 'react-native/src/private/setup/setUpPerformanceObserver';
-import {PerformanceLongTaskTiming} from 'react-native/src/private/webapis/performance/LongTasks';
-import {PerformanceObserver} from 'react-native/src/private/webapis/performance/PerformanceObserver';
-
-setUpPerformanceObserver();
 
 function ensurePerformanceLongTaskTiming(
   value: mixed,
@@ -196,4 +188,20 @@ describe('LongTasks API', () => {
       expect(entry.attribution).toEqual([]);
     });
   });
+
+  it('does NOT allow creating instances of PerformanceLongTaskTiming directly', () => {
+    expect(() => {
+      return new PerformanceLongTaskTiming();
+    }).toThrow(
+      "Failed to construct 'PerformanceLongTaskTiming': Illegal constructor",
+    );
+  });
+
+  it('does NOT allow creating instances of TaskAttributionTiming directly', () => {
+    expect(() => {
+      return new TaskAttributionTiming();
+    }).toThrow(
+      "Failed to construct 'TaskAttributionTiming': Illegal constructor",
+    );
+  });
 });

packages/react-native/src/private/webapis/performance/__tests__/Performance-benchmark-itest.js

@@ -10,12 +10,8 @@
 
 import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
 
-import type Performance from 'react-native/src/private/webapis/performance/Performance';
-
 import * as Fantom from '@react-native/fantom';
 
-declare var performance: Performance;
-
 const clearMarksAndMeasures = () => {
   performance.clearMarks();
   performance.clearMeasures();

packages/react-native/src/private/webapis/performance/__tests__/Performance-itest.js

@@ -0,0 +1,25 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
+
+describe('Performance', () => {
+  it('does NOT allow creating instances of Performance directly', () => {
+    expect(() => {
+      return new Performance();
+    }).toThrow("Failed to construct 'Performance': Illegal constructor");
+  });
+
+  it('does NOT allow creating instances of PerformanceEntry directly', () => {
+    expect(() => {
+      return new PerformanceEntry();
+    }).toThrow("Failed to construct 'PerformanceEntry': Illegal constructor");
+  });
+});

packages/react-native/src/private/webapis/performance/__tests__/PerformanceObserver-itest.js

@@ -10,20 +10,9 @@
 
 import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
 
-import type Performance from '../Performance';
-import type {
-  PerformanceObserver as PerformanceObserverT,
-  PerformanceObserverEntryList,
-} from '../PerformanceObserver';
-
-import setUpPerformanceObserver from '../../../setup/setUpPerformanceObserver';
+import {PerformanceObserverEntryList_public} from '../PerformanceObserver';
 import * as Fantom from '@react-native/fantom';
 
-setUpPerformanceObserver();
-
-declare var performance: Performance;
-declare var PerformanceObserver: Class<PerformanceObserverT>;
-
 describe('PerformanceObserver', () => {
   it('receives notifications for marks and measures', () => {
     const callback = jest.fn();
@@ -106,4 +95,33 @@ describe('PerformanceObserver', () => {
     expect(entries1.getEntries()[1]).toBe(measure);
     expect(entries2.getEntries()[1]).toBe(measure);
   });
+
+  describe('takeRecords()', () => {
+    it('provides all buffered events and clears the buffer', () => {
+      const callback = jest.fn();
+      const observer = new PerformanceObserver(callback);
+      observer.observe({entryTypes: ['mark']});
+
+      Fantom.runTask(() => {
+        const entry = performance.mark('mark1');
+
+        const entries = observer.takeRecords();
+        expect(entries.length).toBe(1);
+        // This is not supported yet
+        // expect(entries[0]).toBe(entry);
+        expect(entries[0]).toEqual(entry);
+      });
+
+      expect(callback).not.toHaveBeenCalled();
+    });
+  });
+
+  it('does NOT allow creating instances of PerformanceObserverEntryList directly', () => {
+    expect(() => {
+      // $FlowExpectedError[incompatible-type]
+      return new PerformanceObserverEntryList_public();
+    }).toThrow(
+      "Failed to construct 'PerformanceObserverEntryList': Illegal constructor",
+    );
+  });
 });

packages/react-native/src/private/webapis/performance/__tests__/UserTiming-itest.js

@@ -10,19 +10,10 @@
 
 import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
 
-import type Performance from '../Performance';
-import type {
-  PerformanceEntryJSON,
-  PerformanceEntryList,
-} from '../PerformanceEntry';
-
 import ensureInstance from '../../../__tests__/utilities/ensureInstance';
 import DOMException from '../../errors/DOMException';
-import {PerformanceMark, PerformanceMeasure} from '../UserTiming';
 import * as Fantom from '@react-native/fantom';
 
-declare var performance: Performance;
-
 function getThrownError(fn: () => mixed): mixed {
   try {
     fn();
@@ -32,7 +23,7 @@ function getThrownError(fn: () => mixed): mixed {
   throw new Error('Expected function to throw');
 }
 
-function toJSON(entries: PerformanceEntryList): Array<PerformanceEntryJSON> {
+function toJSON(entries: PerformanceEntryList): Array<mixed> {
   return entries.map(entry => entry.toJSON());
 }
 
@@ -50,6 +41,24 @@ describe('User Timing', () => {
     mockClock.uninstall();
   });
 
+  it('allows creating instances of PerformanceMark directly', () => {
+    const before = performance.now();
+    const entry = new PerformanceMark('mark-now');
+    const after = performance.now();
+
+    expect(entry).toBeInstanceOf(PerformanceMark);
+    expect(entry.startTime).toBeGreaterThanOrEqual(before);
+    expect(entry.startTime).toBeLessThanOrEqual(after);
+    expect(entry.duration).toBe(0);
+    expect(entry.detail).toBe(null);
+  });
+
+  it('does NOT allow creating instances of PerformanceMeasure directly', () => {
+    expect(() => {
+      return new PerformanceMeasure();
+    }).toThrow("Failed to construct 'PerformanceMeasure': Illegal constructor");
+  });
+
   describe('mark', () => {
     it('works with default timestamp', () => {
       mockClock.setTime(25);

packages/react-native/src/private/webapis/performance/internals/RawPerformanceEntry.js

@@ -44,7 +44,6 @@ export function rawToPerformanceEntry(
     case RawPerformanceEntryTypeValues.LONGTASK:
       return new PerformanceLongTaskTiming({
         name: entry.name,
-        entryType: rawToPerformanceEntryType(entry.entryType),
         startTime: entry.startTime,
         duration: entry.duration,
       });
@@ -53,7 +52,8 @@ export function rawToPerformanceEntry(
         startTime: entry.startTime,
       });
     case RawPerformanceEntryTypeValues.MEASURE:
-      return new PerformanceMeasure(entry.name, {
+      return new PerformanceMeasure({
+        name: entry.name,
         startTime: entry.startTime,
         duration: entry.duration,
       });
@@ -71,9 +71,8 @@ export function rawToPerformanceEntry(
         responseStatus: entry.responseStatus,
       });
     default:
-      return new PerformanceEntry({
+      return new PerformanceEntry(rawToPerformanceEntryType(entry.entryType), {
         name: entry.name,
-        entryType: rawToPerformanceEntryType(entry.entryType),
         startTime: entry.startTime,
         duration: entry.duration,
       });

packages/react-native/third-party-podspecs/replace_dependencies_version.js

@@ -10,7 +10,7 @@
 
 'use strict';
 
-const {execSync} = require('child_process');
+const {spawnSync} = require('child_process');
 const fs = require('fs');
 const yargs = require('yargs');
 
@@ -66,7 +66,9 @@ function replaceRNDepsConfiguration(
   fs.mkdirSync(finalLocation, {recursive: true});
 
   console.log('Extracting the tarball', tarballURLPath);
-  execSync(`tar -xf ${tarballURLPath} -C ${finalLocation}`);
+  spawnSync('tar', ['-xf', tarballURLPath, '-C', finalLocation], {
+    stdio: 'inherit',
+  });
 
   // Now we need to remove the extra third-party folder as we do in the podspec's prepare-script
   // We need to take the ReactNativeDependencies.xcframework folder and move it up one level

packages/rn-tester/js/examples/DrawerLayoutAndroid/DrawerLayoutAndroidExample.js

@@ -48,7 +48,6 @@ const Drawer = () => {
 
   return (
     <DrawerLayoutAndroid
-      /* $FlowFixMe */
       ref={drawer}
       accessibilityRole="drawerlayout"
       drawerWidth={300}

packages/rn-tester/js/examples/Experimental/W3CPointerEventPlatformTests/PointerEventPointerOverOut.js

@@ -21,7 +21,6 @@ function getNativeTagFromHostElement(elem: ?HostInstance | number): ?number {
     return elem;
   }
   if (elem != null) {
-    // $FlowExpectedError - accessing non-public property
     return elem.__nativeTag;
   }
   return undefined;

packages/rn-tester/scripts/utils.js

@@ -70,7 +70,6 @@ export function observe(result: ExecaPromiseMetaized): TaskResult<{}, string> {
     };
   });
 
-  // $FlowFixMe
   return obs;
 }