github react/react-native v0.88.0-rc.0
0.88.0-rc.0
on GitHub

pre-release3 hours ago

Breaking

  • Touchable: The Touchable root export (undocumented) is removed. If you are extending Touchable as a type, please use ViewProps instead. (0015d1e4f9 by @huntie)

iOS specific

  • TurboModules: Add RCTArrayBuffer, the ObjC representation of a JS ArrayBuffer for TurboModules, with an explicit byte-ownership contract (11f9a7f449 by Kamil Paradowski)

Added

  • C++: Add <React/FeatureFlags.h> umbrella header as the public entry point for react/featureflags (f970054a8a by @j-piasecki)
  • C++: Add <React/RendererBridging.h> umbrella header as the public entry point for react/renderer/bridging (5b680c5f9f by @j-piasecki)
  • C++: Add <React/Timing.h> umbrella header as the public entry point for react/timing (70f172d29f by @j-piasecki)
  • C++: Added missing mutex include in HostTarget.h (3f8f5c216a by @etodanik)
  • Feature Flags: Add enableImageTransparentTintColor feature flag (c5bd054983 by @coado)
  • JavaScript API: Deprecate 'react-native/Libraries/Core/InitializeCore'. Use 'react-native/setup-env' instead. (554baba159 by @huntie)
  • PlatformColor: Support a lazy raw color fallback for PlatformColor when native tokens fail to resolve (65008fcdd0 by @Abbondanzo)
  • React Native DevTools: Experimental performance screenshots support and Page.captureScreenshot is added to the EXPERIMENTAL channel (4be68ef785 by @huntie)
  • React Native DevTools: Support for inspecting WebSocket events in the Network panel is added to the CANARY channel (713ae6b1b9 by @huntie)
  • React Native DevTools: Users and agents can now capture app screenshots via the Page.captureScreenshot command (00efc0a440 by @huntie)
  • Text: Add object syntax for fontVariationSettings (376b99ff14 by @evankatz14)
  • TypeScript: Add isInstalled() and clearAllLogs() to the LogBox TypeScript declarations (a69badd468 by @Abbondanzo)
  • TypeScript: Add missing strictMode prop to FlatList TypeScript types (3e2403327c by @drhops)
  • TypeScript: Add TypeScript declarations for requestIdleCallback and cancelIdleCallback (c086431a4b by @Critteros)
  • VirtualizedList: Add missing ListItemComponent type to VirtualizedList props (5306e9229c by @aravi365)

Android specific

  • Feature Flags: Add enableMountingCoordinatorPullModelAndroid feature flag (ece0efe837 by @coado)
  • Network Inspection: Expose network event reporting to third-party networking stacks as an unstable API (83d0be8958 by @huntie)
  • Networking: Send app name and version as the default User-Agent header for network requests, matching iOS (04e50d540d by Calvin Liu)
  • Renderer: Add inert Java plumbing (PullTransactionMountItem, FabricUIManager.onTransactionAvailable) for the pull model (6515647d94 by @coado)
  • Renderer: Wire the pull-model mounting path in C++ behind enableMountingCoordinatorPullModelAndroid (9da1a01153 by @coado)
  • Text: Add fontVariationSettings support for <Text> (19f7d144b9 by @evankatz14)
  • TextInput: Add fontVariationSettings support for TextInput (a688608090 by @evankatz14)
  • TurboModules: Add ArrayBuffer, the Java representation of a JS ArrayBuffer for TurboModules, with an explicit byte-ownership contract (5bb9639594 by Kamil Paradowski)
  • TurboModules: Add ArrayBuffer support to Java TurboModules (5fb3ebce1a by Kamil Paradowski)

iOS specific

  • Assets: Use asset catalog for ios images (26769a00b2 by @janicduplessis)
  • CocoaPods: Add a React-cxxstableapi dependency to third-party New Architecture pods so they can resolve React Native's C++ API guard headers (d3daf111e0 by @coado)
  • Legacy Architecture: Allow consumers to opt into RCT_REMOVE_LEGACY_MODULE_INTEROP and RCT_REMOVE_LEGACY_COMPONENT_INTEROP from CocoaPods and SwiftPM. Both default to off and will become the default in a future release (b933d18177 by @christophpurrer)
  • SceneDelegate: Add SceneDelegate lifecycle support (7bfe32fd33 by @artus9033)
  • Styles: Print warning advice when using shadow* styles without providing a solid background color (eb4d3892ab by @hannojg)
  • SwiftPM: npx react-native spm command + SwiftPM package-generation tooling (opt-in; CocoaPods stays supported) (47fad096a4 by @chrfalch)
  • TurboModules: Reject ArrayBuffer as a TurboModule EventEmitter payload on all platforms (ab2ea649e6 by @christophpurrer)

Changed

  • Accessibility: Automatically set accessible prop when role prop is set (except none/presentation) (4043e818f1 by @mdjastrzebski)
  • Babel: Platform.OS and Platform.select(...) inlining in react-native/babel-preset now requires the inlinePlatform option in addition to platform (f63b2a1cb5 by @robhogan)
  • Babel: Inline Platform.OS and Platform.select(...) for React Native Platform imports during the Babel preset, covering some cases that were previously left un-inlined. (40c06121a1 by @robhogan)
  • Build: Add React Native Maven pull-through cache fallback for prebuilt artifacts. (3bfb277fec by @coado)
  • Hermes: Bump hermes-v1 to 260318099.0.1 (b113cf5864 by @fabriziocucci)
  • Legacy Architecture: Core components (ActivityIndicatorView, ModalHostView, PullToRefreshView, SafeAreaView, Switch) no longer report legacy RCT-prefixed names in their view configs (904812016f by @christophpurrer)
  • Metro: Bump Metro to 0.87.0 (fe511aba7c by @robhogan)
  • React Native DevTools: When using the fallback flow for launching DevTools (desktop app fails to launch), Microsoft Edge will not be attempted. DevTools will open as a standard window in the default browser. (9efcdfc2b4 by @huntie)
  • Runtime: RuntimeScheduler now clears pending tasks and rendering updates when a task throws (14184ec643 by @javache)
  • Runtime: Async CallInvoker work is now buffered alongside callable module calls, so it no longer runs before the JS bundle has finished evaluating (3ca6ea3eca by @javache)
  • Styles: Remove experimental_ prefix from backgroundSize, backgroundPosition and backgroundRepeat (7844386bbd by @intergalacticspacehighway)
  • UIManager: UIManager::startSurface and UIManager::setSurfaceProps now take moduleName and props by value (85a81818c6 by @javache)

Android specific

  • Dev Server: Removed FileIoHandler packager message handlers (e3598fac12 by @javache)
  • Image: ImageProps make tintColor an std::optional to support color transparent (0) with props 2.0 (f535c97904 by @hannojg)
  • New Architecture: Deprecate fabricEnabled on ReactFragment (c7d62a125c by @javache)

iOS specific

  • Build: Prebuilt artifacts: ReactNativeHeaders is pure-RN; third-party deps headers ship in the new ReactNativeDependenciesHeaders.xcframework sidecar (and the ReactNativeDependencies pod), published standalone to Maven (6aa147f6c9 by @chrfalch)
  • CocoaPods: Cache Maven repository requests (artifact existence probes, nightly metadata) during pod install to avoid re-issuing identical requests on every podspec evaluation (88feed55c0 by @coado)
  • Dev Server: Declare RCTBundleURLProviderAllowPackagerServerAccess unconditionally (no-op when packager support is compiled out) (54656471a5 by @ramonclaudio)
  • Dev Server: Make iOS preserve dev bundle as a temp file on par with Android implementation (e2a4c68449 by @tjzel)
  • Legacy Architecture: Compile out RCTGetModuleClasses/RCTRegisterModule and skip static module registration when both RCT_REMOVE_LEGACY_MODULE_INTEROP and RCT_REMOVE_LEGACY_COMPONENT_INTEROP are defined (5d62ca4296 by @christophpurrer)
  • RNTester: Update RNTester and HelloWorld for SceneDelegate lifecycle behavior (609bdddabf by @artus9033)
  • StatusBar: Downgrade RCTStatusBarManager error to a warning when UIViewControllerBasedStatusBarAppearance is YES (9e71c443ac by @shwanton)
  • SwiftPM: Download SwiftPM prebuilt artifacts from the React Native Maven mirror first, with Maven Central as fallback (c2dac6abcc by @coado)
  • TextInput: Adds localization for Text Input default return key types (507023622b by @cipolleschi)

Deprecated

Android specific

Fixed

  • Accessibility: Fix accessibility list role conversion in C++. (aa96fa64d1 by @Abbondanzo)
  • Animated: addListener fires again for natively driven Animated values derived with add/subtract/multiply/divide/modulo/diffClamp/interpolate (ce621bbd5b by @dennytosp)
  • Animated: Add ReactRevisionMerge source to the AnimationBackendCommitHook (ca53751780 by Bartlomiej Bloniarz)
  • Animated: Perform AnimationEndSync commits on the React revision (7d855222cd by @j-piasecki)
  • Babel: Apply normal preset defaults when invoked without a Babel API or options object. (9ad8c830bd by @OskarEichler)
  • Babel: Detect trivia-separated React.createClass calls in optimized preset configuration. (619c8aed24 by @OskarEichler)
  • Babel: Inline the last duplicate key from static Platform.select object literals. (bbdeb7dc1d by @OskarEichler)
  • Babel: Keep private class transforms enabled for profiles that lower classes. (0c0e9f0840 by @OskarEichler)
  • Blob: Retain Blob reference in FileReader during pending native reads to prevent premature deallocation by BlobCollector (568eaa6b69 by heecheolman)
  • C++: Fixed MSVC compilation of NativeDOM.cpp by removing backticks (e979b0ef8d by @etodanik)
  • Codegen: Codegen no longer hangs on type aliases that shadow CodegenTypes member names (42be7452d5 by @sbaiahmed1)
  • Codegen: pass the target platform when generating schemas so platform-specific sources (e.g. NativeModule.ios.ts) resolve correctly (f46ace878a by @Gregoirevda)
  • Codegen: React-native-codegen build.sh on AppleVirtIOFS volumes (27b5f761b1 by @etodanik)
  • Codegen: Run native component codegen when Flow type arguments are separated by trivia. (0d64c9a13a by @OskarEichler)
  • DeviceInfo: Refresh DeviceInfo constants on each read (9d10e39d32 by @artus9033)
  • DOM API: Resolve native EventTarget names that overlap Object prototype properties. (621ced78e9 by @OskarEichler)
  • EventEmitter: Support EventEmitter event names that overlap Object prototype properties. (790289c1d6 by @OskarEichler)
  • FileReader: Fire loadstart, throw InvalidStateError on overlapping reads, and expose FileReader.error as a DOMException. (544141efab by @Abbondanzo)
  • FileReader: Keep FileReader in the correct state after aborting a read. (e92816c5a5 by @fallintoplace)
  • Gradients: Fix radial-gradient at <position> being ignored (and corrupting the size) when it follows an explicit size (66f27eb93e by @Titozzz)
  • Gradients: Reject percentage radii for circle radial gradients, matching web behavior (5821fcaf5d by @Titozzz)
  • Image: Preserve Image source headers when using crossOrigin or referrerPolicy (08c7781e5a by @mfkrause)
  • IntersectionObserver: Sort IntersectionObserver threshold arrays numerically. (ee32dfc8b9 by @OskarEichler)
  • JavaScript API: Additional Props/Style types are now defined as interface, fixing compatibility with certain DefinitelyTyped packages (593ae0258d by @huntie)
  • JavaScript API: Fix requestIdleCallback timeout option being ignored (0a1a06c5ea by @pakerwreah)
  • Networking: Fix XMLHttpRequest.setRequestHeader to append duplicate headers per spec (58bf844967 by @zmunm)
  • Networking: Preserve buffered and empty Cxx WebSocket frames and serialize writes. (92cd588a5c by @OskarEichler)
  • Performance: Round instead of truncate when converting a DOMHighResTimeStamp back to nanoseconds, so HighResTimeStamp and HighResDuration round trips are exact (c467843ed0 by @GijsWeterings)
  • ScrollView: Fix maintainVisibleContentPosition with rapid data updates (#53542) (5cb65244dc by @kulkarni-rohan)
  • Styles: Fix transformOrigin string parsing for decimal percentage and pixel values. (0a60ec9dea by @MayankSharma-2812)
  • Styles: Preserve negative values in transformOrigin strings. (4501979c1a by @fallintoplace)
  • StyleSheet: Use cached results for already normalised colors (092734772a by @riteshshukla04)
  • Text: Fix Text truncation when string contains NULL character \u0000 (#24129) (5906cfb060 by @kulkarni-rohan)
  • Text: Prevent Text from mutating the accessibilityState prop (c300f84f2c by @mfkrause)
  • TextInput: blur focused input before unregistering it on unmount, fixing the Android soft keyboard staying open after navigating away from a focused input (d13d2b0a5f by @sidorchukandrew)
  • TurboModules: TurboModule event emitters no longer throw when an event is emitted before the emitter callback is installed (4bf5575490 by @christophpurrer)
  • TypeScript: Fix TS2883 when building declaration files for libraries that use codegenNativeComponent due to unreachable NativeComponentType<T> (391723e869 by @artus9033)
  • VirtualizedList: Ignore stale viewability updates while enforcing minimum view time (1c4a46f4e3 by @cipolleschi)
  • VirtualizedList: Invalidate list content length when orientation changes. (e59a1d252c by @fallintoplace)
  • VirtualizedList: Prevent zero-sized lists from reporting viewable items (c057b1fa01 by @Abbondanzo)

Android specific

  • Accessibility: Fix crash when accessibilityRole="tabbar" is used on Android (a4733b1ca1 by @aravi365)
  • Build: Export jserrorhandler headers in the reactnative prefab so external consumers of cxxreact/ErrorUtils.h can build. (f2a6db9fce by @alanjhughes)
  • Dev Menu: Persist Change Bundle Location debug server host changes (d2ac190411 by @Phecda)
  • Dev Server: Stop dev server WebSockets from throttling bundle downloads and other dev server requests (cc5dd59742 by @javache)
  • Gradle: Use the JVM temp dir instead of a hardcoded /tmp for the build-from-source container project dirs, fixing Gradle configuration on Windows (908872a68e by @kraenhansen)
  • i18n: Detect RTL from the active locale instead of an arbitrary installed one (e46189e1e1 by @zoontek)
  • Image: Deprecate the String? overloads of ReactImageManager#setDefaultSource and ReactImageManager#setLoadingIndicatorSource (3a95e0e93c by @hannojg)
  • Image: Fix Image.getSize() and Image.getSizeWithHeaders() rejecting data: URIs (8cfde6d083 by Cole Huntley)
  • Image: Fix crash when setting a percentage borderRadius on Image (f2a250ad89 by @sbaiahmed1)
  • Renderer: Fix IllegalStateException in SurfaceMountingManager.removeViewAt (3f553d76bc by @cortinico)
  • Renderer: Pull model mounting is now deferred until the root attaches (2f5a8332cf by Bartlomiej Bloniarz)
  • Runtime: Prevent a startup crash when the WindowMetrics API is missing on an inconsistent Android runtime (3f9cc72309 by @gooddev97)
  • Runtime: Report a fatal JS error instead of aborting the process when reading the error's extra data fails (41b375eb04 by generatedunixname1608173377072046)
  • Styles: Fix crashes when outlineColor is provided as a numeric color value (53b933feca by HURRAEY)
  • Text: Fix Text with adjustsFontSizeToFit being clipped when container height decreases dynamically (63064687e2 by @imsankalp)
  • Text: Keep inline views inside Text from shrinking with Android system font scale (551d12a787 by @TorinAsakura)
  • TextInput: Ellipsize long single-line TextInput placeholders to match iOS (7f18ad0f84 by @kosmydel)
  • TextInput: Show the soft keyboard when a long-press starts text selection in TextInput (9195e52706 by @idoyana)
  • TurboModules: TurboModule methods taking or returning an ArrayBuffer (d84c13d511 by @christophpurrer)
  • View: Resetting border widths no longer clips children in rounded overflow-hidden views. (146aaac7ee by @RealBhupesh)
  • ViewManagers: Fix Double prop defaults being rounded to float precision in generated ViewManager delegates (2c4278d83b by @dennytosp)
  • ViewManagers: Fix RuntimeException: Unrecognized type: class com.facebook.yoga.YogaValue when a ViewManager implements a DimensionValue prop with ReactProp (091ac613ce by @dennytosp)
  • ViewManagers: Fix RuntimeException: Unrecognized type: class java.lang.Float when a ViewManager implements a nullable float prop (WithDefault<Float, null>) with ReactProp (8d23b14da6 by @dennytosp)
  • VirtualizedList: Fix ListMetricsAggregator cell metrics not clearing on orientation change and guard against divide-by-zero (3b90423076 by @aarononeal)

iOS specific

  • Accessibility: Views with checkbox, radio, combobox, dropdownlist, menuitem, spinbutton, tab, option, searchbox, slider and treeitem roles are now reachable via Full Keyboard Access (05b97de823 by @fkgozali)
  • Accessibility: VoiceOver text readout when changing elements asynchronously (082d787a1e by @coolsoftwaretyler)
  • Appearance: RCTAppearance.setColorScheme() no longer crashes CarPlay apps when connectedScenes contains a non-UIWindowScene (00a5aa9223 by @SnowingFox)
  • Assets: Asset catalog imagesets paired wrong files for assets with non-standard scales (74b984729b by @janicduplessis)
  • Blob: Fix intermittent native crash (CoreServices/UTType XPC) in RCTBlobManager when deriving blob names for network responses (671705dfb1 by @1337mus)
  • Codegen: Codegen now discovers third-party component libraries without an iOS configuration. (917d97eb12 by @RealBhupesh)
  • Codegen: Fixed intermittent "Cycle in dependencies between targets 'ReactCodegen' and ..." Xcode build error that occurred on incremental iOS builds when an app's codegenConfig.jsSrcsDir contained no Native*/*NativeComponent spec files. (0b0eb8d012 by @Levin-nik)
  • Dev Server: Create the RCTDevSettings packager connection in initWithDataSource so instances built that way also receive packager commands (e71fc4e32f by @alanjhughes)
  • DeviceInfo: Refresh DeviceInfo constants after interface dimension changes (b743a8a35b by @artus9033)
  • Hermes: Set always_out_of_date on hermes-engine's Replace Hermes script phase (d89c432659 by @ramonclaudio)
  • i18n: Align text to the right by default in RTL when textAlign is not set, matching Android (1b92b02f99 by @zoontek)
  • Image: aria-* state props are no longer ignored when accessibilityState is also present (c3caea9b5e by @mdjastrzebski)
  • LogBox: Prevent RedBox auto-retry from reloading while backgrounded (b587763f40 by @Abbondanzo)
  • PushNotificationIOS: Fix main-thread watchdog hang in PushNotificationIOS.setApplicationIconBadgeNumber (6f6efed3e7 by @christophpurrer)
  • ReactHost: Forward host:didInitializeRuntime: callback to user delegate in RCTReactNativeFactory (98dc7d6423 by @zhongwuzw)
  • Renderer: Log missing native component registrations on iOS and Android (ef28a2c9d5 by @alanleedev)
  • Renderer: Report a RCTViewComponentView child-index mismatch instead of raising NSRangeException while formatting the assert message (1291d7ce8e by @dongdongbh)
  • Renderer: Reset EmptyLayoutMetrics in RCTViewComponentView prepareForRecycle so recycled views clear UIView.hidden (711a9a5e07 by @kosmydel)
  • Runtime: Avoid an unhandled exception in bridgeless ReactInstance::registerSegment when an on-demand JS segment file is missing from the cache at lazy-load time (fff4994af8 by generatedunixname1608173377072046)
  • ScrollView: Prevent recycled ScrollViews from retaining automatic keyboard inset behavior. (e0aa7a8b0a by @stareezy-1)
  • ScrollView: Programmatic (non-user-initiated) scrolls no longer cancel active touches in enclosing scroll views (06eb1fefab by @tjzel)
  • Styles: Render outlineStyle: 'dotted' and 'dashed' on views without border radii (9f31d5ae9f by @neutronm)
  • SwiftPM: stop baking an absolute, machine-specific HERMES_CLI_PATH into the app's pbxproj; resolve hermesc at build time instead (fcbeda1109 by @chrfalch)
  • Switch: Restore paperComponentName: 'RCTSwitch' to fix testing-library/react-native queries (38fd9d57df by @christophpurrer)
  • Text: Correctly classify extralight fonts as UIFontWeightUltraLight in RCTGetFontWeight (3b5d0a6526 by @vonovak)
  • Text: Prevent the final line or trailing glyph of text from being clipped due to pixel-grid rounding precision loss (5e40a1771e by @fabriziocucci)
  • TextInput: Preserve TextInput selection color when changing multiline. (56c284e152 by @fallintoplace)
  • TextInput: update the keyboard when keyboardType/returnKeyType change while the input is focused (new architecture parity with the legacy architecture) (0f1bdddfb3 by @NoahDorfman00)
  • Touch Handling: Fix debug-only crash in RCTSurfaceTouchHandler from UITextView text-selection gestures on iOS 17+ (433e79d2f4 by @hryhoriiK97)
  • TurboModules: Include the module and method name in exceptions rethrown from async and void TurboModule calls (253a84c8d1 by @christophpurrer)
  • TurboModules: Pass a top-level JS null TurboModule argument to Objective-C as nil instead of NSNull when enableModuleArgumentNSNullConversionIOS is enabled (ea291d7422 by @christophpurrer)

Security

Hermes V1 dSYMS:

ReactNativeDependencies dSYMs:

ReactNative Core dSYMs:

You can file issues or pick requests against this release here.

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View the whole changelog in the CHANGELOG.md file.

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