chore: merge to 0.81-stable merge base

.eslintignore

@@ -13,7 +13,6 @@ packages/*/dist
 packages/*/types_generated
 packages/debugger-frontend/dist/**/*
 packages/react-native-codegen/lib
-tools/eslint/rules/sort-imports.js
 **/Pods/*
 **/*.macos.js
 **/*.windows.js

.eslintrc.js

@@ -4,21 +4,18 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  *
+ * @noflow
  * @format
  */
 
 'use strict';
 
-const path = require('node:path');
-
-require('eslint-plugin-lint').load(path.join(__dirname, 'tools/eslint/rules'));
-
 module.exports = {
   root: true,
 
   extends: ['@react-native'],
 
-  plugins: ['@react-native/eslint-plugin-specs', 'lint'],
+  plugins: ['@react-native/monorepo', '@react-native/specs'],
 
   overrides: [
     // overriding the JS config from @react-native/eslint-config to ensure
@@ -27,22 +24,34 @@ module.exports = {
       files: ['*.js', '*.js.flow', '*.jsx'],
       parser: 'hermes-eslint',
       rules: {
+        '@react-native/monorepo/sort-imports': 'warn',
+        'eslint-comments/no-unlimited-disable': 'off',
+        'ft-flow/require-valid-file-annotation': ['error', 'always'],
+        'no-extra-boolean-cast': 'off',
+        'no-void': 'off',
         // These rules are not required with hermes-eslint
-        'ft-flow/define-flow-type': 0,
-        'ft-flow/use-flow-type': 0,
-        'lint/sort-imports': 1,
-        // flow handles this check for us, so it's not required
-        'no-undef': 0,
+        'ft-flow/define-flow-type': 'off',
+        'ft-flow/use-flow-type': 'off',
+        // Flow handles these checks for us, so they aren't required
+        'no-undef': 'off',
+        'no-unreachable': 'off',
+      },
+    },
+    {
+      files: ['*.js', '*.jsx', '*.ts', '*.tsx'],
+      rules: {
+        '@react-native/no-deep-imports': 'off',
       },
     },
     {
       files: [
-        './packages/react-native/**/*.{js,flow}',
+        './packages/react-native/Libraries/**/*.{js,flow}',
+        './packages/react-native/src/**/*.{js,flow}',
         './packages/assets/registry.js',
       ],
       parser: 'hermes-eslint',
       rules: {
-        'lint/no-commonjs-exports': 1,
+        '@react-native/monorepo/no-commonjs-exports': 'warn',
       },
     },
     {
@@ -52,15 +61,17 @@ module.exports = {
     {
       files: ['package.json'],
       rules: {
-        'lint/react-native-manifest': 2,
+        '@react-native/monorepo/react-native-manifest': 'error',
       },
     },
     {
-      files: ['flow-typed/**/*.js'],
+      files: ['flow-typed/**/*.js', 'packages/react-native/flow/**/*'],
       rules: {
-        'lint/valid-flow-typed-signature': 2,
-        'no-unused-vars': 0,
-        quotes: 0,
+        '@react-native/monorepo/valid-flow-typed-signature': 'error',
+        'ft-flow/require-valid-file-annotation': 'off',
+        'no-shadow': 'off',
+        'no-unused-vars': 'off',
+        quotes: 'off',
       },
     },
     {
@@ -69,11 +80,14 @@ module.exports = {
         'packages/react-native/src/**/*.js',
       ],
       rules: {
-        '@react-native/platform-colors': 2,
-        '@react-native/specs/react-native-modules': 2,
-        'lint/no-haste-imports': 2,
-        'lint/no-react-native-imports': 2,
-        'lint/require-extends-error': 2,
+        '@react-native/monorepo/no-haste-imports': 'error',
+        '@react-native/monorepo/no-react-default-imports': 'error',
+        '@react-native/monorepo/no-react-named-type-imports': 'error',
+        '@react-native/monorepo/no-react-native-imports': 'error',
+        '@react-native/monorepo/no-react-node-imports': 'error',
+        '@react-native/monorepo/require-extends-error': 'error',
+        '@react-native/platform-colors': 'error',
+        '@react-native/specs/react-native-modules': 'error',
       },
     },
     {
@@ -124,5 +138,11 @@ module.exports = {
         ],
       },
     },
+    {
+      files: ['**/__tests__/**'],
+      rules: {
+        '@react-native/monorepo/no-react-native-imports': 'off',
+      },
+    },
   ],
 };

.flowconfig

@@ -2,11 +2,14 @@
 ; Ignore build cache folder
 <PROJECT_ROOT>/packages/react-native/sdks/.*
 
+; Ignore fb_internal modules
+<PROJECT_ROOT>/packages/react-native/src/fb_internal/.*
+
 ; Ignore the codegen e2e tests
 <PROJECT_ROOT>/packages/react-native-codegen/e2e/__test_fixtures__/modules/NativeEnumTurboModule.js
 
 ; Ignore the Dangerfile
-<PROJECT_ROOT>/packages/react-native-bots/dangerfile.js
+<PROJECT_ROOT>/private/react-native-bots/dangerfile.js
 
 ; Ignore "BUCK" generated dirs
 <PROJECT_ROOT>/\.buckd/
@@ -24,7 +27,7 @@
 <PROJECT_ROOT>/packages/.*/dist
 
 ; helloworld
-<PROJECT_ROOT>/packages/helloworld/ios/Pods/
+<PROJECT_ROOT>/private/helloworld/ios/Pods/
 
 ; Ignore rn-tester Pods
 <PROJECT_ROOT>/packages/rn-tester/Pods/
@@ -41,11 +44,12 @@
 flow-typed/
 packages/react-native/interface.js
 packages/react-native/flow/
-packages/react-native/src/types/
 
 [options]
 enums=true
+experimental.pattern_matching=true
 casting_syntax=both
+component_syntax=true
 
 emoji=true
 
@@ -67,6 +71,10 @@ module.name_mapper='^react-native/\(.*\)$' -> '<PROJECT_ROOT>/packages/react-nat
 module.name_mapper='^@react-native/dev-middleware$' -> '<PROJECT_ROOT>/packages/dev-middleware'
 module.name_mapper='^@?[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\|xml\)$' -> '<PROJECT_ROOT>/packages/react-native/Libraries/Image/RelativeImageStub'
 
+module.system.haste.module_ref_prefix=m#
+
+react.runtime=automatic
+
 suppress_type=$FlowIssue
 suppress_type=$FlowFixMe
 suppress_type=$FlowFixMeProps
@@ -96,4 +104,4 @@ untyped-import
 untyped-type-import
 
 [version]
-^0.262.0
+^0.275.0

.gitattributes

@@ -1,3 +1,4 @@
 # Ensure scripts always have Unix newlines, even on Windows.
 *.command  text eol=lf
 *.sh       text eol=lf
+*.js.flow linguist-language=JavaScript

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -19,10 +19,10 @@ body:
         * Please [search for similar issues](https://github.com/facebook/react-native/issues) in our issue tracker.
 
         Make sure that your issue:
-        * Have a **valid reproducer** (either a [Expo Snack](https://snack.expo.dev/) or a [empty project from template](https://github.com/react-native-community/reproducer-react-native).
+        * Have a **valid reproducer** (See [How to report a bug](https://reactnative.dev/contributing/how-to-report-a-bug)).
         * Is tested against the [**latest stable**](https://github.com/facebook/react-native/releases/) of React Native.
 
-        Due to the extreme number of bugs we receive, we will be looking **ONLY** into issues with a reproducer, and on [supported versions](https://github.com/reactwg/react-native-releases#which-versions-are-currently-supported) of React Native.
+        🚨 IMPORTANT: Due to the extreme number of bugs we receive, issues **without a reproducer** or for an [**unsupported versions**](https://github.com/reactwg/react-native-releases#which-versions-are-currently-supported) of React Native **will be closed**.
   - type: textarea
     id: description
     attributes:
@@ -83,7 +83,7 @@ body:
             path: /bin/zsh
         Binaries:
           Node: ...
-            version: 18.14.0
+            version: 22.14.0
         ...
       render: text
     validations:
@@ -109,8 +109,8 @@ body:
   - type: input
     id: reproducer
     attributes:
-      label: Reproducer
-      description: A link to a Expo Snack or a public repository that reproduces this bug, using [this template](https://github.com/react-native-community/reproducer-react-native). Reproducers are **mandatory**.
+      label: MANDATORY Reproducer
+      description: A link to either a failing RNTesterPlayground.js file, an Expo Snack or a public repository from [this template](https://github.com/react-native-community/reproducer-react-native) that reproduces this bug. Reproducers are **mandatory**, issues without a reproducer will be closed.
       placeholder: "https://github.com/<myuser>/<myreproducer>"
     validations:
       required: true

.github/ISSUE_TEMPLATE/debugger_bug_report.yml

@@ -62,7 +62,7 @@ body:
             path: /bin/zsh
         Binaries:
           Node: ...
-            version: 18.14.0
+            version: 22.14.0
         ...
       render: text
     validations:

.github/ISSUE_TEMPLATE/new_architecture_bug_report.yml

@@ -16,10 +16,10 @@ body:
         Do not attempt to open a bug in this category if you're not using the New Architecture as your bug will be closed.
 
         Make sure that your issue:
-        * Have a **valid reproducer** (either a [Expo Snack](https://snack.expo.dev/) or a [empty project from template](https://github.com/react-native-community/reproducer-react-native).
+        * Have a **valid reproducer** (See [How to report a bug](https://reactnative.dev/contributing/how-to-report-a-bug)).
         * Is tested against the [**latest stable**](https://github.com/facebook/react-native/releases/) of React Native.
 
-        Due to the extreme number of bugs we receive, we will be looking **ONLY** into issues with a reproducer, and on [supported versions](https://github.com/reactwg/react-native-releases#which-versions-are-currently-supported) of React Native.
+        🚨 IMPORTANT: Due to the extreme number of bugs we receive, issues **without a reproducer** or for an [**unsupported versions**](https://github.com/reactwg/react-native-releases#which-versions-are-currently-supported) of React Native **will be closed**.
   - type: textarea
     id: description
     attributes:
@@ -95,7 +95,7 @@ body:
             path: /bin/zsh
         Binaries:
           Node: ...
-            version: 18.14.0
+            version: 22.14.0
         ...
       render: text
     validations:
@@ -121,8 +121,8 @@ body:
   - type: input
     id: reproducer
     attributes:
-      label: Reproducer
-      description: A link to a Expo Snack or a public repository that reproduces this bug, using [this template](https://github.com/react-native-community/reproducer-react-native). Reproducers are **mandatory**.
+      label: MANDATORY Reproducer
+      description: A link to either a failing RNTesterPlayground.js file, an Expo Snack or a public repository from [this template](https://github.com/react-native-community/reproducer-react-native) that reproduces this bug. Reproducers are **mandatory**, issues without a reproducer will be closed.
       placeholder: "https://github.com/<myuser>/<myreproducer>"
     validations:
       required: true

.github/actions/build-android/action.yml

@@ -86,27 +86,13 @@ runs:
       if: ${{ always() }}
       uses: actions/[email protected]
       with:
-        name: rntester-hermes-debug
-        path: packages/rn-tester/android/app/build/outputs/apk/hermes/debug/
+        name: rntester-debug
+        path: packages/rn-tester/android/app/build/outputs/apk/debug/
         compression-level: 0
     - name: Upload RNTester APK - hermes-release
       if: ${{ always() }}
       uses: actions/[email protected]
       with:
-        name: rntester-hermes-release
-        path: packages/rn-tester/android/app/build/outputs/apk/hermes/release/
-        compression-level: 0
-    - name: Upload RNTester APK - jsc-debug
-      if: ${{ always() }}
-      uses: actions/[email protected]
-      with:
-        name: rntester-jsc-debug
-        path: packages/rn-tester/android/app/build/outputs/apk/jsc/debug/
-        compression-level: 0
-    - name: Upload RNTester APK - jsc-release
-      if: ${{ always() }}
-      uses: actions/[email protected]
-      with:
-        name: rntester-jsc-release
-        path: packages/rn-tester/android/app/build/outputs/apk/jsc/release/
+        name: rntester-release
+        path: packages/rn-tester/android/app/build/outputs/apk/release/
         compression-level: 0

.github/actions/build-hermesc-apple/action.yml

@@ -10,6 +10,8 @@ inputs:
 runs:
   using: composite
   steps:
+    - name: Setup xcode
+      uses: ./.github/actions/setup-xcode
     - name: Restore Hermes workspace
       uses: ./.github/actions/restore-hermes-workspace
     - name: Hermes apple cache

.github/actions/build-hermesc-linux/action.yml

@@ -14,8 +14,12 @@ runs:
       shell: bash
       run: |
         sudo apt update
-        sudo apt install -y git openssh-client cmake build-essential \
+        sudo apt install -y git openssh-client build-essential \
             libreadline-dev libicu-dev jq zip python3
+
+        # Install cmake 3.28.3-1build7
+        sudo apt-get install cmake=3.28.3-1build7
+        sudo ln -sf /usr/bin/cmake /usr/local/bin/cmake
     - name: Restore Hermes workspace
       uses: ./.github/actions/restore-hermes-workspace
     - name: Linux cache

.github/actions/build-hermesc-windows/action.yml

@@ -25,7 +25,7 @@ runs:
     - name: Windows cache
       uses: actions/cache@v4
       with:
-        key: v2-hermes-${{ github.job }}-windows-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
+        key: v3-hermes-${{ github.job }}-windows-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
         path: |
           D:\tmp\hermes\win64-bin\
           D:\tmp\hermes\hermes\icu\
@@ -39,6 +39,9 @@ runs:
         New-Item -ItemType Directory -ErrorAction SilentlyContinue $Env:HERMES_WS_DIR\icu
         New-Item -ItemType Directory -ErrorAction SilentlyContinue $Env:HERMES_WS_DIR\deps
         New-Item -ItemType Directory -ErrorAction SilentlyContinue $Env:HERMES_WS_DIR\win64-bin
+    - name: Downgrade CMake
+      shell: powershell
+      run: choco install cmake --version 3.31.6 --force
     - name: Build HermesC for Windows
       shell: powershell
       run: |
@@ -60,7 +63,7 @@ runs:
           $Env:PATH += ";$Env:CMAKE_DIR;$Env:MSBUILD_DIR"
           $Env:ICU_ROOT = "$Env:HERMES_WS_DIR\icu"
 
-          cmake -S hermes -B build_release -G 'Visual Studio 16 2019' -Ax64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=True -DHERMES_ENABLE_WIN10_ICU_FALLBACK=OFF
+          cmake -S hermes -B build_release -G 'Visual Studio 17 2022' -Ax64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=True -DHERMES_ENABLE_WIN10_ICU_FALLBACK=OFF
           if (-not $?) { throw "Failed to configure Hermes" }
           echo "Running windows build..."
           cd build_release

.github/actions/build-npm-package/action.yml

@@ -107,6 +107,12 @@ runs:
         pattern: ReactNativeDependencies*
         path: ./packages/react-native/ReactAndroid/external-artifacts/artifacts
         merge-multiple: true
+    - name: Download ReactCore artifacts
+      uses: actions/download-artifact@v4
+      with:
+        pattern: ReactCore*
+        path: ./packages/react-native/ReactAndroid/external-artifacts/artifacts
+        merge-multiple: true
     - name: Print Artifacts Directory
       shell: bash
       run: ls -lR ./packages/react-native/ReactAndroid/external-artifacts/artifacts/
@@ -121,6 +127,9 @@ runs:
     - name: Build packages
       shell: bash
       run: yarn build
+    - name: Build types
+      shell: bash
+      run: yarn build-types --skip-snapshot
     # Continue with publish steps
     - name: Set npm credentials
       if: ${{ inputs.release-type == 'release' ||

.github/actions/diff-js-api-breaking-changes/action.yml

@@ -0,0 +1,23 @@
+name: diff-js-api-breaking-changes
+description: Check for breaking changes in the public React Native JS API
+runs:
+  using: composite
+  steps:
+    - name: Fetch snapshot from PR head
+      shell: bash
+      env:
+        SCRATCH_DIR: ${{ runner.temp }}/diff-js-api-breaking-changes
+      run: |
+        mkdir $SCRATCH_DIR
+        git fetch --depth=1 origin ${{ github.event.pull_request.head.sha }}
+        git show ${{ github.event.pull_request.head.sha }}:packages/react-native/ReactNativeApi.d.ts > $SCRATCH_DIR/ReactNativeApi-after.d.ts \
+          || echo "" > $SCRATCH_DIR/ReactNativeApi.d.ts
+    - name: Run breaking change detection
+      shell: bash
+      env:
+        SCRATCH_DIR: ${{ runner.temp }}/diff-js-api-breaking-changes
+      run: |
+        node ./scripts/diff-api-snapshot \
+        ${{ github.workspace }}/packages/react-native/ReactNativeApi.d.ts  \
+        $SCRATCH_DIR/ReactNativeApi-after.d.ts \
+        > $SCRATCH_DIR/output.json