React Native v0.78.0 introduces breaking changes in Codegen, DevTools, and platform-specific APIs. Notable additions include new C++ functionality, improved logging features, and enhanced support for system fonts on iOS. The update also brings significant changes to dependencies, with bumps to Hermes, Gradle, and Fresco versions. Various performance improvements and bug fixes are implemented across different components and platforms.

This release focuses on enhancing developer experience and platform capabilities while addressing existing issues. It includes important updates for Android and iOS developers, as well as improvements to core React Native functionality and tooling.

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v0.78 on GitHub (npm)

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Release blog post

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Changelog

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v0.78.2

Changed

• Deps: Metro minimum to 0.81.3, fix "_interopRequireDefault is not a function" (23c9dbc563 by @robhogan)

Fixed

Android specific

• Runtime: Fixes issue with z-indexed sibling removal (34ae9facd5 by @rozele)

iOS specific

• RCTNetworking: app crash caused by the [RCTFileRequestHanlder invalidate] method (5861f7eea7 by @zhouzh1)
• Runtime: Implement the loadSourceForBridge:onProgress:onComplete in the RCTDefaultReactNativeFactoryDelegate. (8b33668c43 by @cipolleschi)
• Text: Fix selection makes TextInput clear its content when using children (301532b51fe33cd08152c7dde2b15d57105332dd by freeboub)
• TurboModules: Make sure the TM infra does not crash on NSException when triggered by async method (ae1841ac964 by @cipolleschi)

v0.78.1

Fixed

• Deps: community-cli-plugin: resolve cli-server-api via peer dependency on cli (9ffbeadf8a by @robhogan)
• DevTools: Fix disconnections of DevTools when the network is under significant strain (9e47ed9a20 by @vzaidman)

Android specific

• Image: Fix Android Image defaultSource runtime error (665212e22c by @mateoguzmana)
• style: Fix elevation with border-radius set (#48982) (68dc582305 by @polovi)

iOS specific

• Initialization: Call extraModulesForBridge callback in the New Architecture. (97adbd897f by @Bruno125)
• Initialization: Added custom load js block in bridge mode (bdc83cb129 by @zhongwuzw)
• Interop Layer: Properly pass nil for nullable parameters instead of NSNull for legacy modules (619d5dfbb2 by @cipolleschi)
• TextInput: Fixes TextInput crashes when any text is entered while running as iOS app on apple silicon mac (282cdc9fb4 by @zhongwuzw)

v0.78.0

Breaking

• Codegen: Separate component array types and command array types (825492b199 by @elicwhite)
• DevTools: The FuseboxClient.setClientMetadata CDP method is removed. Instead, use ReactNativeApplication.enable. (1a9780f0e3 by @huntie)

Android specific

• APIs: Changed visibility of FrescoBasedReactTextInlineImageViewManager to internal (d5f33c19cb by @alanleedev)
• APIs: Migrating pointerEvents API breaks compatibility for kotlin usages of this api as a val (45e4a3afce by @mdvacca)
• APIs: Convert RootView to Kotlin (21c9491926 by @fabriziocucci)
• APIs: Delete unused abstract class GuardedResultAsyncTask (67bff8734f by @mdvacca)
• APIs: Delete deprecated class FabricViewStateManager (b25b65ba19 by @mdvacca)
• APIs: Removed ComponentNameResolver from public API (a4849cb3d6 by @mdvacca)

iOS specific

• Image: Change Image load event size info from logical size to pixel (09995fc874 by @zhongwuzw)

Added

• C++: Added RawValue(Runtime*, jsi::Value&) constructor to make a RawValue from a jsi::Value. (03d2186ace by @hannojg)
• Codegen: Include cxx modules in codegen schema (cf5ab03d43 by @elicwhite)
• Deps: Add jest-diff v29.7.0 to devDependencies (b27bd00a38 by @andrewdacenko)
• Logging: Add support for the second parameter of console.table to specify a list of columns to print in the table. (fd0894b1c7 by @rubennorte)
• Logging: Add "jsEngine: hermes" to JS runtime Error prototype (85bdd75828 by Maddie Lord)
• Metro: Add opt in for legacy Metro log streaming via --client-logs flag (86db4fa90b by @huntie)
• Text: Added pointerEvents to TextProps type. (3efbe33ce0 by @hyochan)

Android specific

• ActivityIndicator: setting resource-id from the testID prop (87b1bad45e by @mateoguzmana)
• Codegen: Fixing schema types for component command params of Arrays (25c673e357 by @elicwhite)
• Gradle: Make the addition of JitPack repository configurable (a98528e609 by @cortinico)
• Logging: SoftException categories (c832f94cf7 by Thomas Nardone)
• Logging: Add logging in ReactInstanceManager.onHostPause when activity is incorrectly null (c2fd35a442 by Maddie Lord)
• Runtime: Added getState method for StateWrapperImpl (ed36e896ac by @hannojg)

iOS specific

• Codegen: Add the source parameter to generate-codegen-artifacts to avoid generating files not needed by libraries. (98b8f17811 by @cipolleschi)
• Initialization: Implement ReactNativeFactory (081be01a5d by @okwasniewski)
• Text: Support system font families (system-ui, ui-sans-serif, ui-serif, ui-monospace, and ui-rounded) on iOS (1763321c89 by @cxa)
• TextInput: Integrate a new property - disableKeyboardShortcuts. It can disable the keyboard shortcuts on iPads. (0154372b93 by @rezkiy37)

Changed

• Deps: Bump Hermes (0c8e15e8bb by @cipolleschi)
• Flow: Improved types in BoxInspector and refactored a code (f832c450a5 by @coado)
• Flow: Improved types in StyleInspector and refactored a code (49e5c58c59 by @coado)
• Flow: Improved types in ElementBox and refactored a code (2959d49e8d by @coado)
• Flow: Improve types on BorderBox (48a7840919 by @coado)
• Flow: Improve types on DrawerLayoutAndroid (b5155fba89 by @huntie)
• Logging: Improved formatting of values logged via console.table (including Markdown format). (7154c62afb by @rubennorte)
• Runtime: Mark intersectionRect required in NativeIntersectionObserverEntry to reflect native logic. (8681fc2ab2 by @lunaleaps)
• Runtime: (9aa21b5e87 by @lunaleaps)
• TypeScript: Upgrading typescript-config module version to esnext (5370347f54 by @mateoguzmana)
• VirtualizedList: Fix item disappearing with scroll in VirtualizedList (df7b6ae092 by @Tom910)
• Yoga: Update YGNodeStyleGetGap to return YGValue (331d99a941 by @heoblitz)

Android specific

• APIs: Introduce new public API ViewManagerInterface (40a0cdbc99 by @mdvacca)
• Deps: Bumped Android Gradle Plugin (AGP) to 8.8.0 (4c7c836ebf by @cortinico)
• Deps: Bump Gradle to 8.12 (5e6478954c by @cortinico)
• Deps: Update Fresco to 3.6.0 (819b5c2c8d by @Abbondanzo)
• Deps: Migrate jsc-android to mavenCentral (e42a3a6b84 by @Kudo)
• Image: Replaced custom XML decoder with Fresco's built-in decoder (6feb90bb29 by @Abbondanzo)
• Kotlin: Migrate ComponentNameResolver to kotlin (385b9f4265 by @mdvacca)
• Kotlin: Migrate ReactSwitchManager to Kotlin (b886bc4db9 by @krozniata)

iOS specific

• Accessibility: Reduce memory allocations when computing accessibilityLabel (74bdab8bd8 by @sparga)
• CocoaPods: Properly inherit OTHER_CPLUSPLUSLAGS (fa03840e68 by @WoLewicki)
• CocoaPods: Pin 'concurrent-ruby' to a working version (198adb47af by @cipolleschi)

Removed

Android specific

• APIs: Made ReactCookieJarContainer internal. (18ebea533d by @javache)
• Config: Remove as_const option (on by default) in fbsource (e5a526ff44 by @panagosg7)
• Flow: Remove comment syntax from ReactNativeTypes (a80baac58e by @hoxyq)
• Metro: Removed JSCHeapCapture module, deprecated PackagerCommandListener#onCaptureHeapCommand (e06fa5d102 by @javache)

Fixed

• Animations: Removed unnecessary state updates in React to reflect the current state of looping animations. (6059660c60 by @rubennorte)
• Animations: Animation.stop() executes when animatedShouldUseSingleOp is enabled. (746d584a23 by @javache)
• Animations: Fix buttons becoming unresponsive when transform is animated (2204ec94d4 by @sammy-SC)
• C++: JSBigFileString fails for non-zero offset arguments (7d0338cb0b by @jwajgelt)
• Config: Disable react-in-jsx-scope rule in eslint config (ea56c432b7 by @matinzd)
• Deps: Fix peer dependencies on React types to React 19 (4368368ef5 by @cipolleschi)
• Deps: Add missing invariant dependency (ee8088b615 by @tido64)
• Fantom: Fix a bug when fantom tests could not be run in parallel, e.g. in a stress-test. (8696b79f73 by @mijay)
• Logging: Modified console.table to avoid mutating the received argument. (caa77fbe2b by @rubennorte)
• Text: Fixed adjustsFontSizeToFit not working for text with a single character (47822e9048 by @j-piasecki)
• Text: Fix maxFontSizeMultiplier prop on Text and TextInput components in Fabric / New Architecture (ea49d4d1b01107a5ecbbbd4904f1d935e51d6b32 by @RickardZrinski)

Android specific

• APIs Re-introduce the deprecated constructor on ReactModuleInfo (734730df75 by @cortinico)
• Dialog: FLAG_SECURE not respected in Modal dialog (7e029b0dcf by @mateoguzmana)
• Events: Fix crash for setEventEmitterCallback NoSuchMethodError on API lvl 26 (7dcbc799eb by @cortinico)
• Gradle: Fixed build issue when including mapbuffer jni headers in library code (ecf17666ad by @hannojg)
• InteropLayer: Fix execution of early InteropEvents (4ed2b35bf6 by @mdvacca)
• JSC: Fix JSC Debug instacrashing (b10491a3c4 by @cortinico)
• **JSC:**Fix JSC by avoiding use of unavailable str.replaceAll() (b5b9e032c2 by @robhogan)
• Modal: Setting resource-id from testID prop (52b6592559 by @mateoguzmana)
• Networking: ReactOkHttpNetworkFetcher – cache control headers getting overwritten by the rest of the headers (81cb166d10 by @mateoguzmana)
• DevTools: Pass the bundle URL protocol when setting up HMR client on Android (32fe244744 by @byCedric)
• Runtime: Fix BackHandle callback undefined cause crash issue (44705fe11b by @BleemIs42)
• Runtime: Support Long values in WritableMap and WritableArray (e7f943de2f by @WoLewicki)
• Runtime: SetColorScheme should be called on the UI thread (2aa79979d3 by lihaitao)
• Style: Fix background getting clipped when border-radius is set (6d235853fb by @jorge-cab)
• Testing: Handling testID correctly for horizontal scroll view (81c74cd35f by @mateoguzmana)
• TextInput: Fix incorrect height of single line TextInputs without definite size (9b646c8b7b by @NickGerleman)

iOS specific

• C++: Exclude Android HorizontalScrollContentView cxx component code (4adaacb4f7 by @zhongwuzw)
• Ccache: Fix ccache not found error exporting ccache binary path as Xcode user-defined setting to be used by ccache scripts (d31ac832c5 by @ste7en)
• CocoaPods: Resolve "Your project does not explicitly specify the CocoaPods master specs repo" pod install warning (2f2281718a by @noway)
• Image: Load images even when the extension is implicit (b9f418e9bc by @cipolleschi)
• Initialization: Allow multiple RN instances to run at the same time (444c7d4eff by @cipolleschi)
• InteropLayer: Avoid crashing the app when the InteropLayer can't find some methods in the native implementation (3bd3f101b9 by @cipolleschi)
• InteropLayer: Properly handle null value in TurboModule Interop layer (ebfd7057af by @cipolleschi)
• JSC: Fix Direct Debugging with JSC (b04d17afca by @Saadnajmi)
• Keyboard: Enable/disable keyboard shortcuts only on iOS (8b0af4542e by @okwasniewski)
• RefreshControl: Fix app becoming unresponsive when RefreshControl is used inside of (6cb2684b43 by @sammy-SC)
• DevTools: Restore "Paused in debugger" overlay icon (f30c46efbd by @robhogan)
• Runtime: Emit didUpdateDimensions correctly (920867d949 by TobiasH)
• Runtime: Fix applicationDidEnterBackground not being called (adaceba546 by @alextoudic)
• Runtime: Fixed problem with accessory view & 3rd party libs (5fc582783d by @kirillzyusko)
• Style: Dashed & dotted borders now work with overflow: hidden (1b88c5b429 by @joevilches)
• Style: Fixed centerContent losing taps and causing jitter (fe7e97a2fd by @gaearon)
• Xcode: Properly escape paths in Xcode build script used when bundling an app. (2fee13094b by @kraenhansen)