Add flow types for memfs

Summary:
Add a Flow lib def for `memfs`, for use in internal and subsequently Metro tests, now that `metro-memory-fs` is deprecated.

Changelog: [Internal]

Reviewed By: vzaidman

Differential Revision: D78268713

.editorconfig

@@ -9,3 +9,12 @@ end_of_line = lf
 insert_final_newline = true
 indent_style = space
 indent_size = 2
+
+[*.gradle]
+indent_size = 4
+
+[*.kts]
+indent_size = 4
+
+[BUCK]
+indent_size = 4

.eslintrc.js

@@ -35,9 +35,6 @@ module.exports = {
         // Flow handles these checks for us, so they aren't required
         'no-undef': 'off',
         'no-unreachable': 'off',
-        // Throwing from function or rejecting promises with non-error values could result in unclear error stack traces and lead to harder debugging
-        'prefer-promise-reject-errors': 'error',
-        'no-throw-literal': 'error',
       },
     },
     {

.flowconfig

@@ -69,12 +69,18 @@ munge_underscores=true
 module.name_mapper='^react-native$' -> '<PROJECT_ROOT>/packages/react-native/index.js'
 module.name_mapper='^react-native/\(.*\)$' -> '<PROJECT_ROOT>/packages/react-native/\1'
 module.name_mapper='^@react-native/dev-middleware$' -> '<PROJECT_ROOT>/packages/dev-middleware'
-module.name_mapper='^@?[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\|xml\|ktx\)$' -> '<PROJECT_ROOT>/packages/react-native/Libraries/Image/RelativeImageStub'
+module.name_mapper='^@?[./a-zA-Z0-9$_-]+\.\(bmp\|gif\|jpg\|jpeg\|png\|psd\|svg\|webp\|m4v\|mov\|mp4\|mpeg\|mpg\|webm\|aac\|aiff\|caf\|m4a\|mp3\|wav\|html\|pdf\|xml\)$' -> '<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=$FlowFixMeProps
+suppress_type=$FlowFixMeState
+suppress_type=$FlowFixMeEmpty
+
 ban_spread_key_props=true
 
 [lints]
@@ -98,4 +104,4 @@ untyped-import
 untyped-type-import
 
 [version]
-^0.289.0
+^0.275.0

.github/ISSUE_TEMPLATE/debugger_bug_report.yml

@@ -1,6 +1,6 @@
 name: 🔍 Debugger - Bug Report
 description: Report a bug with React Native DevTools and the New Debugger
-labels: ["Needs: Triage :mag:", "Debugging"]
+labels: ["Needs: Triage :mag:", "Debugger"]
 
 body:
   - type: markdown

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

@@ -4,6 +4,9 @@ inputs:
   release-type:
     required: true
     description: The type of release we are building. It could be nightly, release or dry-run
+  run-e2e-tests:
+    default: 'false'
+    description: If we need to build to run E2E tests. If yes, we need to build also x86.
   gradle-cache-encryption-key:
     description: "The encryption key needed to store the Gradle Configuration cache"
 runs:
@@ -17,9 +20,6 @@ runs:
     - name: Install node dependencies
       uses: ./.github/actions/yarn-install
     - name: Set React Native Version
-      # We don't want to set the version for stable branches, because this has been
-      # already set from the 'create release' commits on the release branch.
-      if: ${{ !endsWith(github.ref_name, '-stable') }}
       shell: bash
       run: node ./scripts/releases/set-rn-artifacts-version.js --build-type ${{ inputs.release-type }}
     - name: Setup gradle
@@ -31,11 +31,10 @@ runs:
       uses: actions/cache/restore@v4
       with:
         path: /github/home/.cache/ccache
-        key: v2-ccache-android-${{ github.job }}-${{ github.ref }}-${{ hashFiles('packages/react-native/ReactAndroid/**/*.cpp', 'packages/react-native/ReactAndroid/**/*.h', 'packages/react-native/ReactCommon/**/*.cpp', 'packages/react-native/ReactAndroid/**/CMakeLists.txt', 'packages/react-native/ReactCommon/**/CMakeLists.txt') }}
+        key: v1-ccache-android-${{ github.job }}-${{ github.ref }}
         restore-keys: |
-          v2-ccache-android-${{ github.job }}-${{ github.ref }}-
-          v2-ccache-android-${{ github.job }}-
-          v2-ccache-android-
+          v1-ccache-android-${{ github.job }}-
+          v1-ccache-android-
     - name: Show ccache stats
       shell: bash
       run: ccache -s -v
@@ -44,7 +43,11 @@ runs:
       run: |
         if [[ "${{ inputs.release-type }}" == "dry-run" ]]; then
           # dry-run: we only build ARM64 to save time/resources. For release/nightlies the default is to build all archs.
-          export ORG_GRADLE_PROJECT_reactNativeArchitectures="arm64-v8a,x86" # x86 is required for E2E testing
+          if [[ "${{ inputs.run-e2e-tests }}" == 'true' ]]; then
+            export ORG_GRADLE_PROJECT_reactNativeArchitectures="arm64-v8a,x86" # x86 is required for E2E testing
+          else
+            export ORG_GRADLE_PROJECT_reactNativeArchitectures="arm64-v8a"
+          fi
           TASKS="publishAllToMavenTempLocal build"
         elif [[ "${{ inputs.release-type }}" == "nightly" ]]; then
           # nightly: we set isSnapshot to true so artifacts are sent to the right repository on Maven Central.
@@ -60,7 +63,7 @@ runs:
       uses: actions/cache/save@v4
       with:
         path: /github/home/.cache/ccache
-        key: v2-ccache-android-${{ github.job }}-${{ github.ref }}-${{ hashFiles('packages/react-native/ReactAndroid/**/*.cpp', 'packages/react-native/ReactAndroid/**/*.h', 'packages/react-native/ReactCommon/**/*.cpp', 'packages/react-native/ReactAndroid/**/CMakeLists.txt', 'packages/react-native/ReactCommon/**/CMakeLists.txt') }}
+        key: v1-ccache-android-${{ github.job }}-${{ github.ref }}
     - name: Show ccache stats
       shell: bash
       run: ccache -s -v

.github/actions/build-apple-slices-hermes/action.yml

@@ -0,0 +1,103 @@
+name: build-apple-slices-hermes
+description: This action builds hermesc for Apple platforms
+inputs:
+  hermes-version:
+    required: true
+    description: The version of Hermes
+  react-native-version:
+    required: true
+    description: The version of Hermes
+  slice:
+    required: true
+    description: The slice of hermes you want to build. It could be iphone, iphonesimulator, macos, catalyst, appletvos, appletvsimulator, xros, or xrossimulator
+  flavor:
+    required: true
+    description: The flavor we want to build. It can be Debug or Release
+runs:
+  using: composite
+  steps:
+    - name: Setup xcode
+      uses: ./.github/actions/setup-xcode
+    - name: Restore Hermes workspace
+      uses: ./.github/actions/restore-hermes-workspace
+    - name: Restore HermesC Artifact
+      uses: actions/download-artifact@v4
+      with:
+        name: hermesc-apple
+        path: ./packages/react-native/sdks/hermes/build_host_hermesc
+    - name: Restore Slice From Cache
+      id: restore-slice-cache
+      uses: actions/cache/restore@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/build_${{ inputs.slice }}_${{ inputs.flavor }}
+        key: v6-hermes-apple-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}-${{ hashfiles('packages/react-native/sdks/hermes-engine/utils/build-apple-framework.sh') }}-${{ inputs.slice }}-${{ inputs.flavor }}
+    - name: Build the Hermes ${{ inputs.slice }} frameworks
+      shell: bash
+      run: |
+        cd ./packages/react-native/sdks/hermes || exit 1
+        SLICE=${{ inputs.slice }}
+        FLAVOR=${{ inputs.flavor }}
+        FINAL_PATH=build_"$SLICE"_"$FLAVOR"
+        echo "Final path for this slice is: $FINAL_PATH"
+
+        if [[ -d "$FINAL_PATH" ]]; then
+          echo "[HERMES] Skipping! Found the requested slice at $FINAL_PATH".
+          exit 0
+        fi
+
+        if [[ "$ARTIFACTS_EXIST" ]]; then
+          echo "[HERMES] Skipping! Artifacts exists already."
+          exit 0
+        fi
+
+        export RELEASE_VERSION=${{ inputs.react-native-version }}
+
+        # HermesC is used to build hermes, so it has to be executable
+        chmod +x ./build_host_hermesc/bin/hermesc
+
+        if [[ "$SLICE" == "macosx" ]]; then
+          echo "[HERMES] Building Hermes for MacOS"
+
+          chmod +x ./utils/build-mac-framework.sh
+          BUILD_TYPE="${{ inputs.flavor }}" ./utils/build-mac-framework.sh
+        else
+          echo "[HERMES] Building Hermes for iOS: $SLICE"
+
+          chmod +x ./utils/build-ios-framework.sh
+          BUILD_TYPE="${{ inputs.flavor }}" ./utils/build-ios-framework.sh "$SLICE"
+        fi
+
+        echo "Moving from build_$SLICE to $FINAL_PATH"
+        mv build_"$SLICE" "$FINAL_PATH"
+
+        # check whether everything is there
+        if [[ -d "$FINAL_PATH/API/hermes/hermes.framework" ]]; then
+          echo "Successfully built hermes.framework for $SLICE in $FLAVOR"
+        else
+          echo "Failed to built hermes.framework for $SLICE in $FLAVOR"
+          exit 1
+        fi
+
+        if [[ -d "$FINAL_PATH/API/hermes/hermes.framework.dSYM" ]]; then
+          echo "Successfully built hermes.framework.dSYM for $SLICE in $FLAVOR"
+        else
+          echo "Failed to built hermes.framework.dSYM for $SLICE in $FLAVOR"
+          echo "Please try again"
+          exit 1
+        fi
+    - name: Compress slices to preserve Symlinks
+      shell: bash
+      run: |
+        cd ./packages/react-native/sdks/hermes
+        tar -czv -f build_${{ matrix.slice }}_${{ matrix.flavor }}.tar.gz build_${{ matrix.slice }}_${{ matrix.flavor }}
+    - name: Upload Artifact for Slice (${{ inputs.slice }}, ${{ inputs.flavor }}}
+      uses: actions/upload-artifact@v4.3.4
+      with:
+        name: slice-${{ inputs.slice }}-${{ inputs.flavor }}
+        path: ./packages/react-native/sdks/hermes/build_${{ inputs.slice }}_${{ inputs.flavor }}.tar.gz
+    - name: Save slice cache
+      if: ${{ github.ref == 'refs/heads/main' || contains(github.ref, '-stable') }} # To avoid that the cache explode.
+      uses: actions/cache/save@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/build_${{ inputs.slice }}_${{ inputs.flavor }}
+        key: v6-hermes-apple-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}-${{ hashfiles('packages/react-native/sdks/hermes-engine/utils/build-apple-framework.sh') }}-${{ inputs.SLICE }}-${{ inputs.FLAVOR }}

.github/actions/build-hermes-macos/action.yml

@@ -0,0 +1,227 @@
+name: build-hermes-macos
+description: This action builds hermesc for Apple platforms
+inputs:
+  hermes-version:
+    required: true
+    description: The version of Hermes
+  react-native-version:
+    required: true
+    description: The version of React Native
+  flavor:
+    required: true
+    description: The flavor we want to build. It can be Debug or Release
+runs:
+  using: composite
+  steps:
+    - name: Setup xcode
+      uses: ./.github/actions/setup-xcode
+    - name: Setup node.js
+      uses: ./.github/actions/setup-node
+    - name: Restore Hermes workspace
+      uses: ./.github/actions/restore-hermes-workspace
+    - name: Restore Cached Artifacts
+      uses: actions/cache/restore@v4
+      with:
+        key: v4-hermes-artifacts-${{ inputs.flavor }}-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}-${{ hashFiles('./packages/react-native/sdks/hermes-engine/utils/build-apple-framework.sh') }}
+        path: |
+          /tmp/hermes/osx-bin/${{ inputs.flavor }}
+          /tmp/hermes/dSYM/${{ inputs.flavor }}
+          /tmp/hermes/hermes-runtime-darwin/hermes-ios-${{ inputs.flavor }}.tar.gz
+    - name: Check if the required artifacts already exist
+      id: check_if_apple_artifacts_are_there
+      shell: bash
+      run: |
+        FLAVOR="${{ inputs.flavor }}"
+        echo "Flavor is $FLAVOR"
+        OSX_BIN="/tmp/hermes/osx-bin/$FLAVOR"
+        DSYM="/tmp/hermes/dSYM/$FLAVOR"
+        HERMES="/tmp/hermes/hermes-runtime-darwin/hermes-ios-$FLAVOR.tar.gz"
+
+        if [[ -d "$OSX_BIN" ]] && \
+            [[ -d "$DSYM" ]] && \
+            [[ -f "$HERMES" ]]; then
+
+          echo "Artifacts are there!"
+          echo "ARTIFACTS_EXIST=true" >> $GITHUB_ENV
+          echo "ARTIFACTS_EXIST=true" >> $GITHUB_OUTPUT
+        fi
+    - name: Yarn- Install Dependencies
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: ./.github/actions/yarn-install
+    - name: Slice cache macosx
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/
+        name: slice-macosx-${{ inputs.flavor }}
+    - name: Slice cache iphoneos
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/
+        name: slice-iphoneos-${{ inputs.flavor }}
+    - name: Slice cache iphonesimulator
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/
+        name: slice-iphonesimulator-${{ inputs.flavor }}
+    - name: Slice cache appletvos
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/
+        name: slice-appletvos-${{ inputs.flavor }}
+    - name: Slice cache appletvsimulator
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/
+        name: slice-appletvsimulator-${{ inputs.flavor }}
+    - name: Slice cache catalyst
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/
+        name: slice-catalyst-${{ inputs.flavor }}
+    - name: Slice cache xros
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/
+        name: slice-xros-${{ inputs.flavor }}
+    - name: Slice cache xrsimulator
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      uses: actions/download-artifact@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/
+        name: slice-xrsimulator-${{ inputs.flavor }}
+    - name: Unzip slices
+      shell: bash
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      run: |
+        cd ./packages/react-native/sdks/hermes
+        ls -l .
+        tar -xzv -f build_catalyst_${{ matrix.flavor }}.tar.gz
+        tar -xzv -f build_iphoneos_${{ matrix.flavor }}.tar.gz
+        tar -xzv -f build_iphonesimulator_${{ matrix.flavor }}.tar.gz
+        tar -xzv -f build_appletvos_${{ matrix.flavor }}.tar.gz
+        tar -xzv -f build_appletvsimulator_${{ matrix.flavor }}.tar.gz
+        tar -xzv -f build_macosx_${{ matrix.flavor }}.tar.gz
+        tar -xzv -f build_xros_${{ matrix.flavor }}.tar.gz
+        tar -xzv -f build_xrsimulator_${{ matrix.flavor }}.tar.gz
+    - name: Move back build folders
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      shell: bash
+      run: |
+        ls -l ./packages/react-native/sdks/hermes
+        cd ./packages/react-native/sdks/hermes || exit 1
+        mv build_macosx_${{ inputs.flavor }} build_macosx
+        mv build_iphoneos_${{ inputs.flavor }} build_iphoneos
+        mv build_iphonesimulator_${{ inputs.flavor }} build_iphonesimulator
+        mv build_appletvos_${{ inputs.flavor }} build_appletvos
+        mv build_appletvsimulator_${{ inputs.flavor }} build_appletvsimulator
+        mv build_catalyst_${{ inputs.flavor }} build_catalyst
+        mv build_xros_${{ inputs.flavor }} build_xros
+        mv build_xrsimulator_${{ inputs.flavor }} build_xrsimulator
+    - name: Prepare destroot folder
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      shell: bash
+      run: |
+        cd ./packages/react-native/sdks/hermes || exit 1
+        chmod +x ./utils/build-apple-framework.sh
+        . ./utils/build-apple-framework.sh
+        prepare_dest_root_for_ci
+    - name: Create fat framework for iOS
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      shell: bash
+      run: |
+        cd ./packages/react-native/sdks/hermes || exit 1
+        echo "[HERMES] Creating the universal framework"
+        chmod +x ./utils/build-ios-framework.sh
+        ./utils/build-ios-framework.sh build_framework
+
+        chmod +x ./destroot/bin/hermesc
+    - name: Package the Hermes Apple frameworks
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      shell: bash
+      run: |
+        BUILD_TYPE="${{ inputs.flavor }}"
+        echo "Packaging Hermes Apple frameworks for $BUILD_TYPE build type"
+
+        TARBALL_OUTPUT_DIR=$(mktemp -d /tmp/hermes-tarball-output-XXXXXXXX)
+
+        TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "$BUILD_TYPE")
+
+        echo "Packaging Hermes Apple frameworks for $BUILD_TYPE build type"
+
+        TARBALL_OUTPUT_PATH=$(node ./packages/react-native/scripts/hermes/create-tarball.js \
+          --inputDir ./packages/react-native/sdks/hermes \
+          --buildType "$BUILD_TYPE" \
+          --outputDir $TARBALL_OUTPUT_DIR)
+
+        echo "Hermes tarball saved to $TARBALL_OUTPUT_PATH"
+
+        mkdir -p $HERMES_TARBALL_ARTIFACTS_DIR
+        cp $TARBALL_OUTPUT_PATH $HERMES_TARBALL_ARTIFACTS_DIR/.
+
+        mkdir -p /tmp/hermes/osx-bin/${{ inputs.flavor }}
+        cp ./packages/react-native/sdks/hermes/build_macosx/bin/* /tmp/hermes/osx-bin/${{ inputs.flavor }}
+        ls -lR /tmp/hermes/osx-bin/
+    - name: Create dSYM archive
+      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
+      shell: bash
+      run: |
+        FLAVOR=${{ inputs.flavor }}
+        WORKING_DIR="/tmp/hermes_tmp/dSYM/$FLAVOR"
+
+        mkdir -p "$WORKING_DIR/macosx"
+        mkdir -p "$WORKING_DIR/catalyst"
+        mkdir -p "$WORKING_DIR/iphoneos"
+        mkdir -p "$WORKING_DIR/iphonesimulator"
+        mkdir -p "$WORKING_DIR/appletvos"
+        mkdir -p "$WORKING_DIR/appletvsimulator"
+        mkdir -p "$WORKING_DIR/xros"
+        mkdir -p "$WORKING_DIR/xrsimulator"
+
+        cd ./packages/react-native/sdks/hermes || exit 1
+
+        DSYM_FILE_PATH=API/hermes/hermes.framework.dSYM
+        cp -r build_macosx/$DSYM_FILE_PATH "$WORKING_DIR/macosx/"
+        cp -r build_catalyst/$DSYM_FILE_PATH "$WORKING_DIR/catalyst/"
+        cp -r build_iphoneos/$DSYM_FILE_PATH "$WORKING_DIR/iphoneos/"
+        cp -r build_iphonesimulator/$DSYM_FILE_PATH "$WORKING_DIR/iphonesimulator/"
+        cp -r build_appletvos/$DSYM_FILE_PATH "$WORKING_DIR/appletvos/"
+        cp -r build_appletvsimulator/$DSYM_FILE_PATH "$WORKING_DIR/appletvsimulator/"
+        cp -r build_xros/$DSYM_FILE_PATH "$WORKING_DIR/xros/"
+        cp -r build_xrsimulator/$DSYM_FILE_PATH "$WORKING_DIR/xrsimulator/"
+
+        DEST_DIR="/tmp/hermes/dSYM/$FLAVOR"
+        tar -C "$WORKING_DIR" -czvf "hermes.framework.dSYM" .
+
+        mkdir -p "$DEST_DIR"
+        mv "hermes.framework.dSYM" "$DEST_DIR"
+    - name: Upload hermes dSYM artifacts
+      uses: actions/upload-artifact@v4.3.4
+      with:
+        name: hermes-dSYM-${{ inputs.flavor }}
+        path: /tmp/hermes/dSYM/${{ inputs.flavor }}
+    - name: Upload hermes Runtime artifacts
+      uses: actions/upload-artifact@v4.3.4
+      with:
+        name: hermes-darwin-bin-${{ inputs.flavor }}
+        path: /tmp/hermes/hermes-runtime-darwin/hermes-ios-${{ inputs.flavor }}.tar.gz
+    - name: Upload hermes osx artifacts
+      uses: actions/upload-artifact@v4.3.4
+      with:
+        name: hermes-osx-bin-${{ inputs.flavor }}
+        path: /tmp/hermes/osx-bin/${{ inputs.flavor }}
+    - name: Upload Hermes Artifacts
+      uses: actions/cache/save@v4
+      if: ${{ github.ref == 'refs/heads/main' || contains(github.ref, '-stable') }} # To avoid that the cache explode.
+      with:
+        key: v4-hermes-artifacts-${{ inputs.flavor }}-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}-${{ hashFiles('./packages/react-native/sdks/hermes-engine/utils/build-apple-framework.sh') }}
+        path: |
+          /tmp/hermes/osx-bin/${{ inputs.flavor }}
+          /tmp/hermes/dSYM/${{ inputs.flavor }}
+          /tmp/hermes/hermes-runtime-darwin/hermes-ios-${{ inputs.flavor }}.tar.gz

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

@@ -0,0 +1,39 @@
+name: build-hermesc-apple
+description: This action builds hermesc for Apple platforms
+inputs:
+  hermes-version:
+    required: true
+    description: The version of Hermes
+  react-native-version:
+    required: true
+    description: The version of React Native
+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
+      uses: actions/cache/restore@v4
+      with:
+        path: ./packages/react-native/sdks/hermes/build_host_hermesc
+        key: v2-hermesc-apple-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
+    - name: Build HermesC Apple
+      shell: bash
+      run: |
+        cd ./packages/react-native/sdks/hermes || exit 1
+        . ./utils/build-apple-framework.sh
+        build_host_hermesc_if_needed
+    - name: Upload HermesC Artifact
+      uses: actions/upload-artifact@v4.3.4
+      with:
+        name: hermesc-apple
+        path: ./packages/react-native/sdks/hermes/build_host_hermesc
+    - name: Cache hermesc apple
+      uses: actions/cache/save@v4
+      if: ${{ github.ref == 'refs/heads/main' || contains(github.ref, '-stable') }} # To avoid that the cache explode.
+      with:
+        path: ./packages/react-native/sdks/hermes/build_host_hermesc
+        key: v2-hermesc-apple-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
+        enableCrossOsArchive: true

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

@@ -0,0 +1,53 @@
+name: build-hermesc-linux
+description: This action builds hermesc for linux platforms
+inputs:
+  hermes-version:
+    required: True
+    description: The version of Hermes
+  react-native-version:
+    required: True
+    description: The version of React Native
+runs:
+  using: composite
+  steps:
+    - name: Install dependencies
+      shell: bash
+      run: |
+        sudo apt update
+        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
+      uses: actions/cache@v4
+      with:
+        key: v1-hermes-${{ github.job }}-linux-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
+        path: |
+          /tmp/hermes/linux64-bin/
+          /tmp/hermes/hermes/destroot/
+    - name: Set up workspace
+      shell: bash
+      run: |
+        mkdir -p /tmp/hermes/linux64-bin
+    - name: Build HermesC for Linux
+      shell: bash
+      run: |
+        if [ -f /tmp/hermes/linux64-bin/hermesc ]; then
+          echo 'Skipping; Clean "/tmp/hermes/linux64-bin" to rebuild.'
+        else
+          cd /tmp/hermes
+          cmake -S hermes -B build -DHERMES_STATIC_LINK=ON -DCMAKE_BUILD_TYPE=Release -DHERMES_ENABLE_TEST_SUITE=OFF \
+            -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=True -DCMAKE_CXX_FLAGS=-s -DCMAKE_C_FLAGS=-s \
+            -DCMAKE_EXE_LINKER_FLAGS="-Wl,--whole-archive -lpthread -Wl,--no-whole-archive"
+          cmake --build build --target hermesc -j 4
+          cp /tmp/hermes/build/bin/hermesc /tmp/hermes/linux64-bin/.
+        fi
+    - name: Upload linux artifacts
+      uses: actions/upload-artifact@v4.3.4
+      with:
+        name: hermes-linux-bin
+        path: /tmp/hermes/linux64-bin

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

@@ -0,0 +1,86 @@
+name: build-hermesc-windows
+description: This action builds hermesc for Windows platforms
+inputs:
+  hermes-version:
+    required: True
+    description: The version of Hermes
+  react-native-version:
+    required: True
+    description: The version of React Native
+runs:
+  using: composite
+  steps:
+    - name: Download Previous Artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-workspace
+        path: 'D:\tmp\hermes'
+    - name: Set up workspace
+      shell: powershell
+      run: |
+        mkdir -p D:\tmp\hermes\osx-bin
+        mkdir -p .\packages\react-native\sdks\hermes
+        cp -r -Force D:\tmp\hermes\hermes\* .\packages\react-native\sdks\hermes\.
+        cp -r -Force .\packages\react-native\sdks\hermes-engine\utils\* .\packages\react-native\sdks\hermes\.
+    - name: Windows cache
+      uses: actions/cache@v4
+      with:
+        key: v3-hermes-${{ github.job }}-windows-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
+        path: |
+          D:\tmp\hermes\win64-bin\
+          D:\tmp\hermes\hermes\icu\
+          D:\tmp\hermes\hermes\deps\
+          D:\tmp\hermes\hermes\build_release\
+    - name: setup-msbuild
+      uses: microsoft/setup-msbuild@v1.3.2
+    - name: Set up workspace
+      shell: powershell
+      run: |
+        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: |
+        if (-not(Test-Path -Path $Env:HERMES_WS_DIR\win64-bin\hermesc.exe)) {
+          cd $Env:HERMES_WS_DIR\icu
+          # If Invoke-WebRequest shows a progress bar, it will fail with
+          #   Win32 internal error "Access is denied" 0x5 occurred [...]
+          $progressPreference = 'silentlyContinue'
+          Invoke-WebRequest -Uri "$Env:ICU_URL" -OutFile "icu.zip"
+          Expand-Archive -Path "icu.zip" -DestinationPath "."
+
+          cd $Env:HERMES_WS_DIR
+          Copy-Item -Path "icu\bin64\icu*.dll" -Destination "deps"
+          # Include MSVC++ 2015 redistributables
+          Copy-Item -Path "c:\windows\system32\msvcp140.dll" -Destination "deps"
+          Copy-Item -Path "c:\windows\system32\vcruntime140.dll" -Destination "deps"
+          Copy-Item -Path "c:\windows\system32\vcruntime140_1.dll" -Destination "deps"
+
+          $Env:PATH += ";$Env:CMAKE_DIR;$Env:MSBUILD_DIR"
+          $Env:ICU_ROOT = "$Env:HERMES_WS_DIR\icu"
+
+          cmake -S hermes -B build_release -G 'Visual Studio 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
+          cmake --build . --target hermesc --config Release
+          if (-not $?) { throw "Failed to build Hermes" }
+
+          echo "Copying hermesc.exe to win64-bin"
+          cd $Env:HERMES_WS_DIR
+          Copy-Item -Path "build_release\bin\Release\hermesc.exe" -Destination "win64-bin"
+          # Include Windows runtime dependencies
+          Copy-Item -Path "deps\*" -Destination "win64-bin"
+        }
+        else {
+            Write-Host "Skipping; Clean c:\tmp\hermes\win64-bin to rebuild."
+        }
+    - name: Upload windows artifacts
+      uses: actions/upload-artifact@v4.3.4
+      with:
+        name: hermes-win64-bin
+        path: D:\tmp\hermes\win64-bin\

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

@@ -4,6 +4,9 @@ inputs:
   release-type:
     required: true
     description: The type of release we are building. It could be nightly, release or dry-run
+  hermes-ws-dir:
+    required: 'true'
+    description: The workspace for hermes
   gha-npm-token:
     required: false
     description: The GHA npm token, required only to publish to npm
@@ -17,6 +20,87 @@ runs:
     - name: Setup git safe folders
       shell: bash
       run: git config --global --add safe.directory '*'
+    - name: Create /tmp/hermes/osx-bin directory
+      shell: bash
+      run: mkdir -p /tmp/hermes/osx-bin
+    - name: Download osx-bin release artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-osx-bin-Release
+        path: /tmp/hermes/osx-bin/Release
+    - name: Download osx-bin debug artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-osx-bin-Debug
+        path: /tmp/hermes/osx-bin/Debug
+    - name: Download darwin-bin release artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-darwin-bin-Release
+        path: /tmp/hermes/hermes-runtime-darwin
+    - name: Download darwin-bin debug artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-darwin-bin-Debug
+        path: /tmp/hermes/hermes-runtime-darwin
+    - name: Download hermes dSYM debug artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-dSYM-Debug
+        path: /tmp/hermes/dSYM/Debug
+    - name: Download hermes dSYM release vartifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-dSYM-Release
+        path: /tmp/hermes/dSYM/Release
+    - name: Download windows-bin artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-win64-bin
+        path: /tmp/hermes/win64-bin
+    - name: Download linux-bin artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-linux-bin
+        path: /tmp/hermes/linux64-bin
+    - name: Show /tmp/hermes directory
+      shell: bash
+      run: ls -lR /tmp/hermes
+    - name: Copy Hermes binaries
+      shell: bash
+      run: |
+        mkdir -p ./packages/react-native/sdks/hermesc ./packages/react-native/sdks/hermesc/osx-bin ./packages/react-native/sdks/hermesc/win64-bin ./packages/react-native/sdks/hermesc/linux64-bin
+
+        # When build_hermes_macos runs as a matrix, it outputs
+        if [[ -d ${{ inputs.hermes-ws-dir }}/osx-bin/Release ]]; then
+          cp -r ${{ inputs.hermes-ws-dir }}/osx-bin/Release/* ./packages/react-native/sdks/hermesc/osx-bin/.
+        elif [[ -d ${{ inputs.hermes-ws-dir }}/osx-bin/Debug ]]; then
+          cp -r ${{ inputs.hermes-ws-dir }}/osx-bin/Debug/* ./packages/react-native/sdks/hermesc/osx-bin/.
+        else
+          ls ${{ inputs.hermes-ws-dir }}/osx-bin || echo "hermesc macOS artifacts directory missing."
+          echo "Could not locate macOS hermesc binary."; exit 1;
+        fi
+
+        # Sometimes, GHA creates artifacts with lowercase Debug/Release. Make sure that if it happen, we uppercase them.
+        if [[ -f "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-debug.tar.gz" ]]; then
+          mv "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-debug.tar.gz" "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-Debug.tar.gz"
+        fi
+
+        if [[ -f "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-release.tar.gz" ]]; then
+          mv "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-release.tar.gz" "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-Release.tar.gz"
+        fi
+
+        cp -r ${{ inputs.hermes-ws-dir }}/win64-bin/* ./packages/react-native/sdks/hermesc/win64-bin/.
+        cp -r ${{ inputs.hermes-ws-dir }}/linux64-bin/* ./packages/react-native/sdks/hermesc/linux64-bin/.
+
+        # Make sure the hermesc files are actually executable.
+        chmod -R +x packages/react-native/sdks/hermesc/*
+
+        mkdir -p ./packages/react-native/ReactAndroid/external-artifacts/artifacts/
+        cp ${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-Debug.tar.gz ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-ios-debug.tar.gz
+        cp ${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-Release.tar.gz ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-ios-release.tar.gz
+        cp ${{ inputs.hermes-ws-dir }}/dSYM/Debug/hermes.framework.dSYM  ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-framework-dSYM-debug.tar.gz
+        cp ${{ inputs.hermes-ws-dir }}/dSYM/Release/hermes.framework.dSYM  ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-framework-dSYM-release.tar.gz
     - name: Download ReactNativeDependencies
       uses: actions/download-artifact@v4
       with:
@@ -32,12 +116,12 @@ runs:
     - name: Print Artifacts Directory
       shell: bash
       run: ls -lR ./packages/react-native/ReactAndroid/external-artifacts/artifacts/
+    - name: Setup node.js
+      uses: ./.github/actions/setup-node
     - name: Setup gradle
       uses: ./.github/actions/setup-gradle
       with:
         cache-encryption-key: ${{ inputs.gradle-cache-encryption-key }}
-    - name: Setup node.js
-      uses: ./.github/actions/setup-node
     - name: Install dependencies
       uses: ./.github/actions/yarn-install
     - name: Build packages

.github/actions/create-release/action.yml

@@ -14,8 +14,6 @@ inputs:
 runs:
   using: composite
   steps:
-    - name: Setup node.js
-      uses: ./.github/actions/setup-node
     - name: Yarn install
       uses: ./.github/actions/yarn-install
     - name: Configure Git

.github/actions/maestro-ios/action.yml

@@ -35,8 +35,6 @@ runs:
       with:
         java-version: '17'
         distribution: 'zulu'
-    - name: Setup node.js
-      uses: ./.github/actions/setup-node
     - name: Run yarn install
       uses: ./.github/actions/yarn-install
     - name: Start Metro in Debug

.github/actions/prepare-hermes-workspace/action.yml

@@ -0,0 +1,100 @@
+name: prepare-hermes-workspace
+description: This action prepares the hermes workspace with the right hermes and react-native versions.
+inputs:
+  hermes-ws-dir:
+    required: true
+    description: The hermes dir we need to use to setup the workspace
+  hermes-version-file:
+    required: true
+    description: the path to the file that will contain the hermes version
+outputs:
+  hermes-version:
+    description: the version of Hermes tied to this run
+    value: ${{ steps.hermes-version.outputs.VERSION }}
+  react-native-version:
+    description: the version of React Native tied to this run
+    value: ${{ steps.react-native-version.outputs.VERSION }}
+runs:
+  using: composite
+  steps:
+    - name: Setup node.js
+      uses: ./.github/actions/setup-node
+
+    - name: Setup hermes version
+      shell: bash
+      id: hermes-version
+      run: |
+        mkdir -p "/tmp/hermes" "/tmp/hermes/download" "/tmp/hermes/hermes"
+
+        if [ -f "${{ inputs.hermes-version-file }}" ]; then
+          echo "Hermes Version file found! Using this version for the build:"
+          echo "VERSION=$(cat ${{ inputs.hermes-version-file }})" >> "$GITHUB_OUTPUT"
+        else
+          echo "Hermes Version file not found!!!"
+          echo "Using the last commit from main for the build:"
+          HERMES_TAG_SHA=$(git ls-remote https://github.com/facebook/hermes main | cut -f 1 | tr -d '[:space:]')
+          echo "VERSION=$HERMES_TAG_SHA" >> "$GITHUB_OUTPUT"
+        fi
+        echo "Hermes commit is $HERMES_TAG_SHA"
+
+    - name: Get react-native version
+      shell: bash
+      id: react-native-version
+      run: |
+        VERSION=$(cat packages/react-native/package.json | jq -r '.version')
+        # Save the react native version we are building in an output variable so we can use that file as part of the cache key.
+        echo "VERSION=$VERSION" >> "$GITHUB_OUTPUT"
+        echo "React Native Version is $VERSION"
+
+    - name: Cache hermes workspace
+      id: restore-hermes
+      uses: actions/cache/restore@v4
+      with:
+        path: |
+          /tmp/hermes/download/
+          /tmp/hermes/hermes/
+        key: v1-hermes-${{ steps.hermes-version.outputs.version }}
+        enableCrossOsArchive: true
+
+    # It happened while testing that a cache was created from the right folders
+    # but those folders where empty. Thus, the next check ensures that we can work with those caches.
+    - name: Check if cache was meaningful
+      id: meaningful-cache
+      shell: bash
+      run: |
+        if [[ -d /tmp/hermes/hermes ]] && [[ -n "$(ls -A /tmp/hermes/hermes)"  ]]; then
+          echo "Found a good hermes cache"
+          echo "HERMES_CACHED=true" >> "$GITHUB_OUTPUT"
+        fi
+
+    - name: Yarn- Install Dependencies
+      if: ${{ steps.meaningful-cache.outputs.HERMES_CACHED != 'true' }}
+      uses: ./.github/actions/yarn-install
+
+    - name: Download Hermes tarball
+      if: ${{ steps.meaningful-cache.outputs.HERMES_CACHED != 'true' }}
+      shell: bash
+      run: |
+        node packages/react-native/scripts/hermes/prepare-hermes-for-build ${{ github.event.pull_request.html_url }}
+        cp packages/react-native/sdks/download/* ${{ inputs.hermes-ws-dir }}/download/.
+        cp -r packages/react-native/sdks/hermes/* ${{ inputs.hermes-ws-dir }}/hermes/.
+
+        echo ${{ steps.hermes-version.outputs.version }}
+
+    - name: Upload Hermes artifact
+      uses: actions/upload-artifact@v4.3.4
+      with:
+        name: hermes-workspace
+        path: |
+          /tmp/hermes/download/
+          /tmp/hermes/hermes/
+
+    - name: Cache hermes workspace
+      uses: actions/cache/save@v4
+      if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode.
+      with:
+        path: |
+          /tmp/hermes/download/
+          /tmp/hermes/hermes/
+        key: v1-hermes-${{ steps.hermes-version.outputs.version }}
+        enableCrossOsArchive: true

.github/actions/restore-hermes-workspace/action.yml

@@ -0,0 +1,16 @@
+name: restore-hermes-workspace
+description: "Restore hermes workspace that has been created in Prepare Hermes Workspace"
+runs:
+  using: composite
+  steps:
+    - name: Download Previous Artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-workspace
+        path: /tmp/hermes
+    - name: Set up workspace
+      shell: bash
+      run: |
+        mkdir -p $HERMES_OSXBIN_ARTIFACTS_DIR ./packages/react-native/sdks/hermes
+        cp -r $HERMES_WS_DIR/hermes/* ./packages/react-native/sdks/hermes/.
+        cp -r ./packages/react-native/sdks/hermes-engine/utils ./packages/react-native/sdks/hermes/.

.github/actions/run-fantom-tests/action.yml

@@ -1,83 +0,0 @@
-name: Run Fantom Tests
-inputs:
-  release-type:
-    required: true
-    description: The type of release we are building. It could be nightly, release or dry-run
-  gradle-cache-encryption-key:
-    description: "The encryption key needed to store the Gradle Configuration cache"
-
-runs:
-  using: composite
-  steps:
-    - name: Install dependencies
-      shell: bash
-      run: |
-        sudo apt update
-        sudo apt install -y git cmake openssl libssl-dev clang
-    - name: Setup git safe folders
-      shell: bash
-      run: git config --global --add safe.directory '*'
-    - name: Setup node.js
-      uses: ./.github/actions/setup-node
-    - name: Install node dependencies
-      uses: ./.github/actions/yarn-install
-    - name: Setup gradle
-      uses: ./.github/actions/setup-gradle
-      with:
-        cache-read-only: "false"
-        cache-encryption-key: ${{ inputs.gradle-cache-encryption-key }}
-    - name: Restore Fantom ccache
-      uses: actions/cache/restore@v4
-      with:
-        path: /github/home/.cache/ccache
-        key: v2-ccache-fantom-${{ github.job }}-${{ github.ref }}-${{ hashFiles(
-            'packages/react-native/ReactAndroid/**/*.cpp',
-            'packages/react-native/ReactAndroid/**/*.h',
-            'packages/react-native/ReactAndroid/**/CMakeLists.txt',
-            'packages/react-native/ReactCommon/**/*.cpp',
-            'packages/react-native/ReactCommon/**/*.h',
-            'packages/react-native/ReactCommon/**/CMakeLists.txt',
-            'private/react-native-fantom/tester/**/*.cpp',
-            'private/react-native-fantom/tester/**/*.h',
-            'private/react-native-fantom/tester/**/CMakeLists.txt'
-          ) }}
-        restore-keys: |
-          v2-ccache-fantom-${{ github.job }}-${{ github.ref }}-
-          v2-ccache-fantom-${{ github.job }}-
-          v2-ccache-fantom-
-    - name: Show ccache stats
-      shell: bash
-      run: ccache -s -v
-    - name: Run Fantom Tests
-      shell: bash
-      run: yarn fantom
-      env:
-        CC: clang
-        CXX: clang++
-    - name: Save Fantom ccache
-      if: ${{ github.ref == 'refs/heads/main' || contains(github.ref, '-stable') }}
-      uses: actions/cache/save@v4
-      with:
-        path: /github/home/.cache/ccache
-        key: v2-ccache-fantom-${{ github.job }}-${{ github.ref }}-${{ hashFiles(
-            'packages/react-native/ReactAndroid/**/*.cpp',
-            'packages/react-native/ReactAndroid/**/*.h',
-            'packages/react-native/ReactAndroid/**/CMakeLists.txt',
-            'packages/react-native/ReactCommon/**/*.cpp',
-            'packages/react-native/ReactCommon/**/*.h',
-            'packages/react-native/ReactCommon/**/CMakeLists.txt',
-            'private/react-native-fantom/tester/**/*.cpp',
-            'private/react-native-fantom/tester/**/*.h',
-            'private/react-native-fantom/tester/**/CMakeLists.txt'
-          ) }}
-    - name: Show ccache stats
-      shell: bash
-      run: ccache -s -v
-    - name: Upload test results
-      if: ${{ always() }}
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: run-fantom-tests-results
-        compression-level: 1
-        path: |
-          private/react-native-fantom/build/reports

.github/actions/setup-xcode-build-cache/action.yml

@@ -0,0 +1,32 @@
+name: setup-xcode-build-cache
+description: Add caching to iOS jobs to speed up builds
+inputs:
+  hermes-version:
+    description: The version of hermes
+    required: true
+  flavor:
+    description: The flavor that is going to be built
+    default: Debug
+  use-frameworks:
+    description: Whether we are bulding with DynamicFrameworks or StaticLibraries
+    default: StaticLibraries
+  ruby-version:
+    description: The ruby version we are going to use
+    default: 2.6.10
+
+runs:
+  using: composite
+  steps:
+    - name: See commands.yml with_xcodebuild_cache
+      shell: bash
+      run: echo "See commands.yml with_xcodebuild_cache"
+    - name: Cache podfile lock
+      uses: actions/cache@v4
+      with:
+        path: packages/rn-tester/Podfile.lock
+        key: v13-podfilelock-${{ github.job }}-NewArch-${{ inputs.flavor }}-${{ inputs.use-frameworks }}-${{ inputs.ruby-version }}-${{ hashfiles('packages/rn-tester/Podfile') }}-${{ inputs.hermes-version }}
+    - name: Cache cocoapods
+      uses: actions/cache@v4
+      with:
+        path: packages/rn-tester/Pods
+        key: v15-cocoapods-${{ github.job }}-NewArch-${{ inputs.flavor }}-${{ inputs.use-frameworks }}-${{ inputs.ruby-version }}-${{ hashfiles('packages/rn-tester/Podfile.lock') }}-${{ hashfiles('packages/rn-tester/Podfile') }}-${{ inputs.hermes-version}}

.github/actions/setup-xcode/action.yml

@@ -5,10 +5,6 @@ inputs:
     description: 'The xcode version to use'
     required: false
     default: '16.2.0'
-  platform:
-    description: 'The platform to use. Valid values are: ios, ios-simulator, macos, mac-catalyst, tvos, tvos-simulator, xros, xros-simulator'
-    required: false
-    default: 'macos'
 runs:
   using: "composite"
   steps:
@@ -16,21 +12,3 @@ runs:
       uses: maxim-lobanov/setup-xcode@60606e260d2fc5762a71e64e74b2174e8ea3c8bd
       with:
         xcode-version: ${{ inputs.xcode-version }}
-    - name: Setup Platform ${{ inputs.platform }}
-      if: ${{ inputs.platform != 'macos' && inputs.platform != 'mac-catalyst' }}
-      shell: bash
-      run: |
-        # https://github.com/actions/runner-images/issues/12541
-        sudo xcodebuild -runFirstLaunch
-        sudo xcrun simctl list
-
-        # Install platform based on the platform
-        if [[ "${{ inputs.platform }}" == "xros" || "${{ inputs.platform }}" == "xros-simulator" ]]; then
-          sudo xcodebuild -downloadPlatform visionOS
-        elif [[ "${{ inputs.platform }}" == "tvos" || "${{ inputs.platform }}" == "tvos-simulator" ]]; then
-          sudo xcodebuild -downloadPlatform tvOS
-        else
-          sudo xcodebuild -downloadPlatform iOS
-        fi
-
-        sudo xcodebuild -runFirstLaunch

.github/actions/test-ios-helloworld/action.yml

@@ -10,27 +10,36 @@ inputs:
   flavor:
     description: The flavor of the build. Must be one of "Debug", "Release".
     default: Debug
+  hermes-version:
+    description: The version of hermes
+    required: true
+  react-native-version:
+    description: The version of react-native
+    required: true
 runs:
   using: composite
   steps:
     - name: Setup xcode
       uses: ./.github/actions/setup-xcode
-      with:
-        platform: ios
     - name: Setup node.js
       uses: ./.github/actions/setup-node
-    - name: Run yarn install
+    - name: Create Hermes folder
+      shell: bash
+      run: mkdir -p "$HERMES_WS_DIR"
+    - name: Download Hermes
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-darwin-bin-${{ inputs.flavor }}
+        path: /tmp/hermes/hermes-runtime-darwin/
+    - name: Print Downloaded hermes
+      shell: bash
+      run: ls -lR "$HERMES_WS_DIR"
+    - name: Run yarn
       uses: ./.github/actions/yarn-install
     - name: Setup ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ inputs.ruby-version }}
-    - name: Set nightly Hermes versions
-      shell: bash
-      run: |
-        node ./scripts/releases/use-hermes-nightly.js
-    - name: Run yarn install again, with the correct hermes version
-      uses: ./.github/actions/yarn-install
     - name: Download ReactNativeDependencies
       uses: actions/download-artifact@v4
       with:
@@ -57,6 +66,20 @@ runs:
           args+=(--frameworks dynamic)
         fi
 
+        # Tarball is restored with capital flavors suffix, but somehow the tarball name from JS at line 96 returns as lowercased.
+        # Let's ensure that the tarballs have the right names
+
+        if [[ -f "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Debug.tar.gz" ]]; then
+          mv "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Debug.tar.gz" "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-debug.tar.gz"
+        fi
+
+        if [[ -f "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Release.tar.gz" ]]; then
+          mv "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Release.tar.gz" "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-release.tar.gz"
+        fi
+
+        BUILD_TYPE="${{ inputs.flavor }}"
+        TARBALL_FILENAME=$(node ../../packages/react-native/scripts/hermes/get-tarball-name.js --buildType "$BUILD_TYPE")
+        export HERMES_ENGINE_TARBALL_PATH="$HERMES_WS_DIR/hermes-runtime-darwin/$TARBALL_FILENAME"
         export RCT_USE_LOCAL_RN_DEP="/tmp/third-party/ReactNativeDependencies${{ inputs.flavor }}.xcframework.tar.gz"
         export RCT_TESTONLY_RNCORE_TARBALL_PATH="/tmp/ReactCore/ReactCore${{ inputs.flavor }}.xcframework.tar.gz"
 

.github/actions/test-ios-rntester/action.yml

@@ -10,9 +10,18 @@ inputs:
   run-unit-tests:
     description: whether unit tests should run or not.
     default: "false"
+  hermes-tarball-artifacts-dir:
+    description: The directory where the hermes tarball artifacts are stored
+    default: /tmp/hermes/hermes-runtime-darwin
   flavor:
     description: The flavor of the build. Must be one of "Debug", "Release".
     default: Debug
+  hermes-version:
+    description: The version of hermes
+    required: true
+  react-native-version:
+    description: The version of react-native
+    required: true
   run-e2e-tests:
     description: Whether we want to run E2E tests or not
     required: false
@@ -23,25 +32,60 @@ runs:
   steps:
     - name: Setup xcode
       uses: ./.github/actions/setup-xcode
-      with:
-        platform: ios
     - name: Setup node.js
       uses: ./.github/actions/setup-node
     - name: Run yarn
       uses: ./.github/actions/yarn-install
+    - name: Download Hermes
+      uses: actions/download-artifact@v4
+      with:
+        name: hermes-darwin-bin-${{ inputs.flavor }}
+        path: ${{ inputs.hermes-tarball-artifacts-dir }}
     - name: Setup ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ inputs.ruby-version }}
-    - name: Set nightly Hermes versions
-      shell: bash
-      run: |
-        node ./scripts/releases/use-hermes-nightly.js
-    - name: Run yarn install again, with the correct hermes version
-      uses: ./.github/actions/yarn-install
     - name: Prepare IOS Tests
       if: ${{ inputs.run-unit-tests == 'true' }}
       uses: ./.github/actions/prepare-ios-tests
+    - name: Set HERMES_ENGINE_TARBALL_PATH envvar if Hermes tarball is present
+      shell: bash
+      run: |
+        HERMES_TARBALL_ARTIFACTS_DIR=${{ inputs.hermes-tarball-artifacts-dir }}
+        if [ ! -d $HERMES_TARBALL_ARTIFACTS_DIR ]; then
+          echo "Hermes tarball artifacts dir not present ($HERMES_TARBALL_ARTIFACTS_DIR). Build Hermes from source."
+          exit 0
+        fi
+
+        TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "${{ inputs.flavor }}")
+        TARBALL_PATH=$HERMES_TARBALL_ARTIFACTS_DIR/$TARBALL_FILENAME
+
+        echo "Looking for $TARBALL_FILENAME in $HERMES_TARBALL_ARTIFACTS_DIR"
+        echo "$TARBALL_PATH"
+
+        if [ ! -f $TARBALL_PATH ]; then
+          echo "Hermes tarball not present ($TARBALL_PATH). Build Hermes from source."
+          exit 0
+        fi
+
+        echo "Found Hermes tarball at $TARBALL_PATH"
+        echo "HERMES_ENGINE_TARBALL_PATH=$TARBALL_PATH" >> $GITHUB_ENV
+    - name: Print Hermes version
+      shell: bash
+      run: |
+        HERMES_TARBALL_ARTIFACTS_DIR=${{ inputs.hermes-tarball-artifacts-dir }}
+        TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "${{ inputs.flavor }}")
+        TARBALL_PATH=$HERMES_TARBALL_ARTIFACTS_DIR/$TARBALL_FILENAME
+        if [[ -e $TARBALL_PATH ]]; then
+          tar -xf $TARBALL_PATH
+          echo 'print(HermesInternal?.getRuntimeProperties?.()["OSS Release Version"])' > test.js
+          chmod +x ./destroot/bin/hermes
+          ./destroot/bin/hermes test.js
+          rm test.js
+          rm -rf destroot
+        else
+          echo 'No Hermes tarball found.'
+        fi
     - name: Download ReactNativeDependencies
       uses: actions/download-artifact@v4
       with:
@@ -58,9 +102,17 @@ runs:
     - name: Print ReactCore folder
       shell: bash
       run: ls -lR /tmp/ReactCore
+    - name: Setup xcode build cache
+      uses: ./.github/actions/setup-xcode-build-cache
+      with:
+        hermes-version: ${{ inputs.hermes-version }}
+        use-frameworks: ${{ inputs.use-frameworks }}
+        flavor: ${{ inputs.flavor }}
+        ruby-version: ${{ inputs.ruby-version }}
     - name: Install CocoaPods dependencies
       shell: bash
       run: |
+        export HERMES_ENGINE_TARBALL_PATH=$HERMES_ENGINE_TARBALL_PATH
         export RCT_USE_LOCAL_RN_DEP="/tmp/third-party/ReactNativeDependencies${{ inputs.flavor }}.xcframework.tar.gz"
         export RCT_TESTONLY_RNCORE_TARBALL_PATH="/tmp/ReactCore/ReactCore${{ inputs.flavor }}.xcframework.tar.gz"
 
@@ -71,7 +123,7 @@ runs:
         cd packages/rn-tester
 
         bundle install
-        bundle exec pod update hermes-engine --no-repo-update
+        bundle exec pod install
     - name: Build RNTester
       shell: bash
       run: |

.github/actions/test-library-on-nightly/action.yml

@@ -0,0 +1,52 @@
+name: test-library-on-nightly
+description: Tests a library on a nightly
+inputs:
+  library-npm-package:
+    description: The library npm package to add
+    required: true
+  platform:
+    description: whether we want to build for iOS or Android
+    required: true
+runs:
+  using: composite
+  steps:
+    - name: Create new app
+      shell: bash
+      run: |
+        cd /tmp
+        npx @react-native-community/cli init RNApp --skip-install --version nightly
+    - name: Add library
+      shell: bash
+      run: |
+        cd /tmp/RNApp
+        yarn add ${{ inputs.library-npm-package }}
+
+    # iOS
+    - name: Setup xcode
+      if: ${{ inputs.platform == 'ios' }}
+      uses: ./.github/actions/setup-xcode
+    - name: Build iOS
+      shell: bash
+      if: ${{ inputs.platform == 'ios' }}
+      run: |
+        cd /tmp/RNApp/ios
+        bundle install
+        bundle exec pod install
+        xcodebuild build \
+          -workspace RNApp.xcworkspace \
+          -scheme RNApp \
+          -sdk iphonesimulator
+
+    # Android
+    - name: Setup Java for Android
+      if: ${{ inputs.platform == 'android' }}
+      uses: actions/setup-java@v2
+      with:
+        java-version: '17'
+        distribution: 'zulu'
+    - name: Build Android
+      shell: bash
+      if: ${{ inputs.platform == 'android' }}
+      run: |
+        cd /tmp/RNApp/android
+        ./gradlew assembleDebug

.github/actions/yarn-install/action.yml

@@ -2,6 +2,8 @@ name: yarn-install
 runs:
   using: composite
   steps:
+    - name: Setup node.js
+      uses: ./.github/actions/setup-node
     - name: Install dependencies
       shell: bash
       run: |

.github/workflow-scripts/__tests__/createDraftRelease-test.js

@@ -121,7 +121,7 @@ describe('Create Draft Release', () => {
   });
 
   describe('#_computeBody', () => {
-    it('computes body for release when no hermes versions are passed', async () => {
+    it('computes body for release', async () => {
       const version = '0.77.1';
       const changelog = `## v${version}
 ### Breaking Changes
@@ -134,83 +134,20 @@ describe('Create Draft Release', () => {
 #### iOS
 - [PR #3436](https://github.com/facebook/react-native/pull/3436) - Some other change
 - [PR #3437](https://github.com/facebook/react-native/pull/3437) - Some other change`;
-      const body = _computeBody(changelog, version);
+      const body = _computeBody(version, changelog);
 
       expect(body).toEqual(`${changelog}
 
 ---
 
 Hermes dSYMS:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${version}/hermes-ios-${version}-hermes-framework-dSYM-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${version}/hermes-ios-${version}-hermes-framework-dSYM-release.tar.gz)
-
-Hermes V1 dSYMS:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${version}/hermes-ios-${version}-hermes-framework-dSYM-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${version}/hermes-ios-${version}-hermes-framework-dSYM-release.tar.gz)
+- [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-hermes-framework-dSYM-debug.tar.gz)
+- [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-hermes-framework-dSYM-release.tar.gz)
 
 ReactNativeDependencies dSYMs:
 - [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-dependencies-dSYM-debug.tar.gz)
 - [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-dependencies-dSYM-release.tar.gz)
 
-ReactNative Core dSYMs:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-core-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-core-release.tar.gz)
-
----
-
-You can file issues or pick requests against this release [here](https://github.com/reactwg/react-native-releases/issues/new/choose).
-
----
-
-To help you upgrade to this version, you can use the [Upgrade Helper](https://react-native-community.github.io/upgrade-helper/) ⚛️.
-
----
-
-View the whole changelog in the [CHANGELOG.md file](https://github.com/facebook/react-native/blob/main/CHANGELOG.md).`);
-    });
-
-    it('computes body for release when hermes versions are passed', async () => {
-      const version = '0.77.1';
-      const hermesVersion = '0.15.0';
-      const hermesV1Version = '250829098.0.2';
-      const changelog = `## v${version}
-### Breaking Changes
-- [PR #9012](https://github.com/facebook/react-native/pull/9012) - Some other change
-
-#### Android
-- [PR #3456](https://github.com/facebook/react-native/pull/3456) - Some other change
-- [PR #3457](https://github.com/facebook/react-native/pull/3457) - Some other change
-
-#### iOS
-- [PR #3436](https://github.com/facebook/react-native/pull/3436) - Some other change
-- [PR #3437](https://github.com/facebook/react-native/pull/3437) - Some other change`;
-      const body = _computeBody(
-        changelog,
-        version,
-        hermesVersion,
-        hermesV1Version,
-      );
-
-      expect(body).toEqual(`${changelog}
-
----
-
-Hermes dSYMS:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${hermesVersion}/hermes-ios-${hermesVersion}-hermes-framework-dSYM-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${hermesVersion}/hermes-ios-${hermesVersion}-hermes-framework-dSYM-release.tar.gz)
-
-Hermes V1 dSYMS:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${hermesV1Version}/hermes-ios-${hermesV1Version}-hermes-framework-dSYM-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${hermesV1Version}/hermes-ios-${hermesV1Version}-hermes-framework-dSYM-release.tar.gz)
-
-ReactNativeDependencies dSYMs:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-dependencies-dSYM-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-dependencies-dSYM-release.tar.gz)
-
-ReactNative Core dSYMs:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-core-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-core-release.tar.gz)
-
 ---
 
 You can file issues or pick requests against this release [here](https://github.com/reactwg/react-native-releases/issues/new/choose).
@@ -251,7 +188,6 @@ View the whole changelog in the [CHANGELOG.md file](https://github.com/facebook/
           status: 201,
           json: () =>
             Promise.resolve({
-              id: 1,
               html_url:
                 'https://github.com/facebook/react-native/releases/tag/v0.77.1',
             }),
@@ -272,11 +208,9 @@ View the whole changelog in the [CHANGELOG.md file](https://github.com/facebook/
           body: fetchBody,
         },
       );
-      expect(response).toEqual({
-        id: 1,
-        html_url:
-          'https://github.com/facebook/react-native/releases/tag/v0.77.1',
-      });
+      expect(response).toEqual(
+        'https://github.com/facebook/react-native/releases/tag/v0.77.1',
+      );
     });
 
     it('creates a draft release for prerelease on GitHub', async () => {
@@ -304,7 +238,6 @@ View the whole changelog in the [CHANGELOG.md file](https://github.com/facebook/
           status: 201,
           json: () =>
             Promise.resolve({
-              id: 1,
               html_url:
                 'https://github.com/facebook/react-native/releases/tag/v0.77.1',
             }),
@@ -325,11 +258,9 @@ View the whole changelog in the [CHANGELOG.md file](https://github.com/facebook/
           body: fetchBody,
         },
       );
-      expect(response).toEqual({
-        id: 1,
-        html_url:
-          'https://github.com/facebook/react-native/releases/tag/v0.77.1',
-      });
+      expect(response).toEqual(
+        'https://github.com/facebook/react-native/releases/tag/v0.77.1',
+      );
     });
 
     it('throws if the post failes', async () => {

.github/workflow-scripts/__tests__/notifyDiscord-test.js

@@ -0,0 +1,189 @@
+/**
+ * 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.
+ *
+ * @format
+ */
+
+'use strict';
+
+const {
+  prepareFailurePayload,
+  sendMessageToDiscord,
+} = require('../notifyDiscord');
+
+describe('prepareFailurePayload', () => {
+  it('should handle undefined failures', () => {
+    const message = prepareFailurePayload(undefined);
+    expect(message).toEqual({
+      content:
+        '⚠️ **React Native Nightly Integration Failures** ⚠️\n\nNo failures to report.',
+    });
+  });
+
+  it('should handle empty failures array', () => {
+    const message = prepareFailurePayload([]);
+    expect(message).toEqual({
+      content:
+        '⚠️ **React Native Nightly Integration Failures** ⚠️\n\nNo failures to report.',
+    });
+  });
+
+  it('should format a single failure correctly', () => {
+    const failures = [
+      {
+        library: 'react-native-reanimated',
+        platform: 'iOS',
+      },
+    ];
+
+    const message = prepareFailurePayload(failures);
+    expect(message).toEqual({
+      content:
+        '⚠️ **React Native Nightly Integration Failures** ⚠️\n\nThe integration of libraries with React Native nightly failed for the following libraries:\n\n❌ [iOS] react-native-reanimated',
+    });
+  });
+
+  it('should sort multiple failures by platform and library name', () => {
+    const failures = [
+      {
+        library: 'react-native-reanimated',
+        platform: 'iOS',
+      },
+      {
+        library: 'react-native-gesture-handler',
+        platform: 'Android',
+      },
+      {
+        library: 'react-native-screens',
+        platform: 'iOS',
+      },
+      {
+        library: 'react-native-svg',
+        platform: 'Android',
+      },
+    ];
+
+    const message = prepareFailurePayload(failures);
+
+    // The failures should be sorted: first Android (alphabetically), then iOS
+    // Within each platform, libraries should be sorted alphabetically
+    expect(message).toEqual({
+      content:
+        '⚠️ **React Native Nightly Integration Failures** ⚠️\n\nThe integration of libraries with React Native nightly failed for the following libraries:\n\n❌ [Android] react-native-gesture-handler\n❌ [Android] react-native-svg\n❌ [iOS] react-native-reanimated\n❌ [iOS] react-native-screens',
+    });
+  });
+
+  it('should handle failures with missing properties', () => {
+    const failures = [
+      {
+        // Missing library
+        platform: 'iOS',
+      },
+      {
+        library: 'react-native-gesture-handler',
+        // Missing platform
+      },
+      {
+        // Both missing
+      },
+    ];
+
+    const message = prepareFailurePayload(failures);
+
+    expect(message).toEqual({
+      content:
+        '⚠️ **React Native Nightly Integration Failures** ⚠️\n\nThe integration of libraries with React Native nightly failed for the following libraries:\n\n❌ [iOS] Unknown\n❌ [Unknown] react-native-gesture-handler\n❌ [Unknown] Unknown',
+    });
+  });
+});
+
+describe('sendMessageToDiscord', () => {
+  // Store the original fetch function
+  const originalFetch = global.fetch;
+
+  // Setup and teardown for each test
+  beforeEach(() => {
+    // Mock the global fetch function
+    global.fetch = jest.fn();
+    // Silence console logs during tests
+    jest.spyOn(console, 'log').mockImplementation(() => {});
+    jest.spyOn(console, 'error').mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    // Restore the original fetch function
+    global.fetch = originalFetch;
+    // Restore console functions
+    jest.restoreAllMocks();
+  });
+
+  it('should throw an error if webhook URL is missing', async () => {
+    await expect(sendMessageToDiscord(null, {})).rejects.toThrow(
+      'Discord webhook URL is missing',
+    );
+  });
+
+  it('should send a message successfully', async () => {
+    // Mock a successful response
+    global.fetch.mockResolvedValueOnce({
+      ok: true,
+      status: 200,
+    });
+
+    const webhook = 'https://discord.com/api/webhooks/123/abc';
+    const message = {content: 'Test message'};
+
+    await expect(sendMessageToDiscord(webhook, message)).resolves.not.toThrow();
+
+    // Verify fetch was called with the right arguments
+    expect(global.fetch).toHaveBeenCalledWith(webhook, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify(message),
+    });
+
+    // Verify console.log was called
+    expect(console.log).toHaveBeenCalledWith(
+      'Successfully sent message to Discord',
+    );
+  });
+
+  it('should throw an error if the response is not ok', async () => {
+    // Mock a failed response
+    global.fetch.mockResolvedValueOnce({
+      ok: false,
+      status: 400,
+      text: jest.fn().mockResolvedValueOnce('Bad Request'),
+    });
+
+    const webhook = 'https://discord.com/api/webhooks/123/abc';
+    const message = {content: 'Test message'};
+
+    await expect(sendMessageToDiscord(webhook, message)).rejects.toThrow(
+      'HTTP status code: 400',
+    );
+
+    // Verify console.error was called
+    expect(console.error).toHaveBeenCalledWith(
+      'Failed to send message to Discord: 400 Bad Request',
+    );
+  });
+
+  it('should throw an error if fetch fails', async () => {
+    // Mock a network error
+    const networkError = new Error('Network error');
+    global.fetch.mockRejectedValueOnce(networkError);
+
+    const webhook = 'https://discord.com/api/webhooks/123/abc';
+    const message = {content: 'Test message'};
+
+    await expect(sendMessageToDiscord(webhook, message)).rejects.toThrow(
+      'Network error',
+    );
+  });
+});

.github/workflow-scripts/__tests__/publishTemplate-test.js

@@ -117,13 +117,13 @@ describe('#verifyPublishedTemplate', () => {
     it('will timeout if npm does not update package version after a set number of retries', async () => {
       const RETRIES = 2;
 
-      (await verifyPublishedTemplate('0.77.0', true, RETRIES),
+      await verifyPublishedTemplate('0.77.0', true, RETRIES),
         expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
           '@react-native-community/template',
           '0.77.0',
           'latest',
           2,
-        ));
+        );
     });
   });
 });

.github/workflow-scripts/__tests__/verifyReleaseOnNpm-test.js

@@ -83,13 +83,13 @@ describe('#verifyReleaseOnNPM', () => {
     it('will timeout if npm does not update package version after a set number of retries', async () => {
       const RETRIES = 2;
 
-      (await verifyReleaseOnNpm('0.77.0', true, RETRIES),
+      await verifyReleaseOnNpm('0.77.0', true, RETRIES),
         expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
           'react-native',
           '0.77.0',
           'latest',
           2,
-        ));
+        );
     });
 
     it('will timeout if npm does not update latest tag after a set number of retries', async () => {

.github/workflow-scripts/collectNightlyOutcomes.js

@@ -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.
+ *
+ * @format
+ */
+
+const fs = require('fs');
+const path = require('path');
+const {
+  prepareFailurePayload,
+  sendMessageToDiscord,
+} = require('./notifyDiscord');
+
+function readOutcomes() {
+  const baseDir = '/tmp';
+  let outcomes = [];
+  fs.readdirSync(baseDir).forEach(file => {
+    const fullPath = path.join(baseDir, file);
+    if (fullPath.endsWith('outcome') && fs.statSync(fullPath).isDirectory) {
+      fs.readdirSync(fullPath).forEach(subFile => {
+        const subFullPath = path.join(fullPath, subFile);
+        if (subFullPath.endsWith('outcome')) {
+          const [library, status] = String(fs.readFileSync(subFullPath, 'utf8'))
+            .trim()
+            .split(':');
+          const platform = subFile.includes('android') ? 'Android' : 'iOS';
+          console.log(
+            `[${platform}] ${library} completed with status ${status}`,
+          );
+          outcomes.push({
+            library: library.trim(),
+            platform,
+            status: status.trim(),
+          });
+        }
+      });
+    } else if (fullPath.endsWith('outcome')) {
+      const [library, status] = String(fs.readFileSync(fullPath, 'utf8'))
+        .trim()
+        .split(':');
+      const platform = file.includes('android') ? 'Android' : 'iOS';
+      console.log(`[${platform}] ${library} completed with status ${status}`);
+      outcomes.push({
+        library: library.trim(),
+        platform,
+        status: status.trim(),
+      });
+    }
+  });
+  return outcomes;
+}
+
+function printFailures(outcomes) {
+  console.log('Printing failures...');
+  let failedLibraries = [];
+  outcomes.forEach(entry => {
+    if (entry.status !== 'success') {
+      console.log(
+        `❌ [${entry.platform}] ${entry.library} failed with status ${entry.status}`,
+      );
+      failedLibraries.push({
+        library: entry.library,
+        platform: entry.platform,
+      });
+    }
+  });
+  return failedLibraries;
+}
+
+/**
+ * Sends a message to Discord with the list of failures.
+ * @param {string} webHook - The Discord webhook URL
+ * @param {Array<Object>} failures - List of failures to report
+ * @returns {Promise<void>} - A promise that resolves when the message is sent
+ */
+async function notifyDiscord(webHook, failures) {
+  if (!webHook) {
+    console.error('Discord webhook URL is missing');
+    return;
+  }
+
+  if (!failures || failures.length === 0) {
+    console.log('No failures to report to Discord');
+    return;
+  }
+
+  try {
+    // Use the prepareFailurePayload function to format the message
+    const message = prepareFailurePayload(failures);
+
+    // Use the sendMessageToDiscord function to send the message
+    await sendMessageToDiscord(webHook, message);
+  } catch (error) {
+    console.error('Error in notifyDiscord function:', error);
+    throw error;
+  }
+}
+
+async function collectResults(discordWebHook) {
+  const outcomes = readOutcomes();
+  const failures = printFailures(outcomes);
+
+  if (failures.length > 0) {
+    if (discordWebHook) {
+      console.log('Sending to discord');
+      await notifyDiscord(discordWebHook, failures);
+    } else {
+      console.log('Web hook not set');
+    }
+    process.exit(1);
+  }
+  console.log('✅ All tests passed!');
+}
+
+module.exports = {
+  collectResults,
+  notifyDiscord,
+};

.github/workflow-scripts/createDraftRelease.js

@@ -40,29 +40,19 @@ function _extractChangelog(version) {
   return changelog.slice(changelogStarts, changelogEnds).join('\n').trim();
 }
 
-function _computeBody(changelog, version, hermesVersion, hermesV1Version) {
-  hermesVersion = hermesVersion ?? version;
-  hermesV1Version = hermesV1Version ?? version;
+function _computeBody(version, changelog) {
   return `${changelog}
 
 ---
 
 Hermes dSYMS:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${hermesVersion}/hermes-ios-${hermesVersion}-hermes-framework-dSYM-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${hermesVersion}/hermes-ios-${hermesVersion}-hermes-framework-dSYM-release.tar.gz)
-
-Hermes V1 dSYMS:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${hermesV1Version}/hermes-ios-${hermesV1Version}-hermes-framework-dSYM-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/${hermesV1Version}/hermes-ios-${hermesV1Version}-hermes-framework-dSYM-release.tar.gz)
+- [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-hermes-framework-dSYM-debug.tar.gz)
+- [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-hermes-framework-dSYM-release.tar.gz)
 
 ReactNativeDependencies dSYMs:
 - [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-dependencies-dSYM-debug.tar.gz)
 - [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-dependencies-dSYM-release.tar.gz)
 
-ReactNative Core dSYMs:
-- [Debug](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-core-debug.tar.gz)
-- [Release](https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/${version}/react-native-artifacts-${version}-reactnative-core-release.tar.gz)
-
 ---
 
 You can file issues or pick requests against this release [here](https://github.com/reactwg/react-native-releases/issues/new/choose).
@@ -111,11 +101,7 @@ async function _createDraftReleaseOnGitHub(version, body, latest, token) {
   }
 
   const data = await response.json();
-  const {html_url, id} = data;
-  return {
-    html_url,
-    id,
-  };
+  return data.html_url;
 }
 
 function moveToChangelogBranch(version) {
@@ -123,13 +109,7 @@ function moveToChangelogBranch(version) {
   run(`git checkout -b changelog/v${version}`);
 }
 
-async function createDraftRelease(
-  version,
-  latest,
-  token,
-  hermesVersion,
-  hermesV1Version,
-) {
+async function createDraftRelease(version, latest, token) {
   if (version.startsWith('v')) {
     version = version.substring(1);
   }
@@ -137,15 +117,14 @@ async function createDraftRelease(
   _verifyTagExists(version);
   moveToChangelogBranch(version);
   const changelog = _extractChangelog(version);
-  const body = _computeBody(changelog, version, hermesVersion, hermesV1Version);
+  const body = _computeBody(version, changelog);
   const release = await _createDraftReleaseOnGitHub(
     version,
     body,
     latest,
     token,
   );
-  log(`Created draft release: ${release.html_url}, ID ${release.id}`);
-  return release;
+  log(`Created draft release: ${release}`);
 }
 
 module.exports = {

.github/workflow-scripts/extractIssueOncalls.js

@@ -25,31 +25,6 @@ function extractUsersFromScheduleAndDate(schedule, userMap, date) {
   return [user1, user2];
 }
 
-/**
- * You can invoke this script by doing:
- * ```
- * node .github/workflow-scripts/extractIssueOncalls.js $DATA
- * ```
- *
- * the $DATA is stored in the github secrets as ONCALL_SCHEDULE variable.
- * The format of the data is:
- * ```
- * {
- *   \"userMap\": {
- *     \"discord_handle1\": \"discord_id1\",
- *     \"discord_handle2\": \"discord_id2\",
- *    ...
- *  },
- *  \"schedule\": {
- *    \"2025-07-29\": [\"discord_handle1\", \"discord_handle2\"],
- *    \"2025-08-05\": [\"discord_handle3\", \"discord_handle4\"],
- *   ...
- * }
- * ```
- *
- * When uploading the secret, make sure that the JSON strings are escaped!
- * The script will fail otherwise, because GitHub will remove the `"` characters.
- */
 function main() {
   const configuration = process.argv[2];
   const {userMap, schedule} = JSON.parse(configuration);

.github/workflow-scripts/maestro-ios.js

@@ -87,11 +87,11 @@ async function launchAppOnSimulator(appId, udid, isDebug) {
 
 function startVideoRecording(jsengine, currentAttempt) {
   console.log(
-    `Start video record using pid: video_record_${currentAttempt}.pid`,
+    `Start video record using pid: video_record_${jsengine}_${currentAttempt}.pid`,
   );
 
   const recordingArgs =
-    `simctl io booted recordVideo video_record_${currentAttempt}.mov`.split(
+    `simctl io booted recordVideo video_record_${jsengine}_${currentAttempt}.mov`.split(
       ' ',
     );
   const recordingProcess = childProcess.spawn('xcrun', recordingArgs, {
@@ -162,7 +162,7 @@ async function main() {
   console.info(`WORKING_DIRECTORY: ${WORKING_DIRECTORY}`);
   console.info('==============================\n');
 
-  const simulatorName = 'iPhone 16 Pro';
+  const simulatorName = 'iPhone 15 Pro';
   launchSimulator(simulatorName);
   installAppOnSimulator(APP_PATH);
   const udid = extractSimulatorUDID();

.github/workflow-scripts/notifyDiscord.js

@@ -0,0 +1,90 @@
+/**
+ * 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.
+ *
+ * @format
+ */
+
+/**
+ * Sends a message to Discord using the webhook URL.
+ * @param {string} webHook - The Discord webhook URL
+ * @param {Object} message - The message to send
+ * @returns {Promise<void>} - A promise that resolves when the message is sent
+ */
+async function sendMessageToDiscord(webHook, message) {
+  if (!webHook) {
+    throw new Error('Discord webhook URL is missing');
+  }
+
+  // Send the request using fetch
+  const response = await fetch(webHook, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify(message),
+  });
+
+  // Handle the response
+  if (response.ok) {
+    console.log('Successfully sent message to Discord');
+    return;
+  } else {
+    const errorText = await response.text();
+    console.error(
+      `Failed to send message to Discord: ${response.status} ${errorText}`,
+    );
+    throw new Error(`HTTP status code: ${response.status}`);
+  }
+}
+
+/**
+ * Prepares a formatted Discord message payload from a list of failures.
+ * @param {Array<Object>} failures - List of failures to format
+ * @returns {Object} - The formatted Discord message payload
+ */
+function prepareFailurePayload(failures) {
+  if (!failures || failures.length === 0) {
+    return {
+      content:
+        '⚠️ **React Native Nightly Integration Failures** ⚠️\n\nNo failures to report.',
+    };
+  }
+
+  // Sort failures by platform and then by library name
+  const sortedFailures = [...failures].sort((a, b) => {
+    // First sort by platform
+    const platformA = a.platform || 'Unknown';
+    const platformB = b.platform || 'Unknown';
+
+    if (platformA !== platformB) {
+      return platformA.localeCompare(platformB);
+    }
+
+    // Then sort by library name
+    const libraryA = a.library || 'Unknown';
+    const libraryB = b.library || 'Unknown';
+    return libraryA.localeCompare(libraryB);
+  });
+
+  // Format the failures into a message
+  const formattedFailures = sortedFailures
+    .map(failure => {
+      const library = failure.library || 'Unknown';
+      const platform = failure.platform || 'Unknown';
+      return `❌ [${platform}] ${library}`;
+    })
+    .join('\n');
+
+  return {
+    content: `⚠️ **React Native Nightly Integration Failures** ⚠️\n\nThe integration of libraries with React Native nightly failed for the following libraries:\n\n${formattedFailures}`,
+  };
+}
+
+// Export the functions using CommonJS syntax
+module.exports = {
+  prepareFailurePayload,
+  sendMessageToDiscord,
+};

.github/workflows/bump-podfile-lock.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup xcode
         uses: ./.github/actions/setup-xcode
         with:
-          platform: 'ios'
+          xcode-version: '16.2.0'
       - name: Extract branch name
         run: |
           TAG="${{ github.ref_name }}";

.github/workflows/check-nightly.yml

@@ -0,0 +1,34 @@
+# This jobs runs every day 2 hours after the nightly job and its purpose is to report
+# a failure in case the nightly failed to be published. We are going to hook this to an internal automation.
+name: Check Nightlies
+
+on:
+  workflow_dispatch:
+  # nightly build @ 4:15 AM UTC
+  schedule:
+    - cron: '15 4 * * *'
+
+jobs:
+  check-nightly:
+    runs-on: ubuntu-latest
+    if: github.repository == 'facebook/react-native'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Check nightly
+        run: |
+          TODAY=$(date "+%Y%m%d")
+          echo "Checking nightly for $TODAY"
+          NIGHTLY="$(npm view react-native | grep $TODAY)"
+          if [[ -z $NIGHTLY ]]; then
+            echo 'Nightly job failed.'
+            exit 1
+          else
+            echo 'Nightly Worked, All Good!'
+          fi
+
+  test-libraries:
+    uses: ./.github/workflows/test-libraries-on-nightlies.yml
+    needs: check-nightly
+    secrets:
+      discord_webhook_url: ${{ secrets.NIGHTLY_DISCORD_WEBHOOK }}

.github/workflows/create-draft-release.yml

@@ -2,15 +2,6 @@ name: Create Draft Release
 
 on:
   workflow_call:
-    inputs:
-      hermesVersion:
-        required: false
-        type: string
-        description: The version of Hermes to use for this release (eg. 0.15.0). If not specified, it will use React Native Version
-      hermesV1Version:
-        required: false
-        type: string
-        description: The version of Hermes V1 to use for this release (eg. 250829098.0.2). If not specified, it will use React Native Version
 
 jobs:
   create-draft-release:
@@ -30,24 +21,9 @@ jobs:
           git config --local user.name "React Native Bot"
       - name: Create draft release
         uses: actions/github-script@v6
-        id: create-draft-release
         with:
           script: |
             const {createDraftRelease} = require('./.github/workflow-scripts/createDraftRelease.js');
             const version = '${{ github.ref_name }}';
             const {isLatest} = require('./.github/workflow-scripts/publishTemplate.js');
-            return (await createDraftRelease(version, isLatest(), '${{secrets.REACT_NATIVE_BOT_GITHUB_TOKEN}}', ${{ inputs.hermesVersion }}, ${{ inputs.hermesV1Version }})).id;
-          result-encoding: string
-      - name: Upload release assets for DotSlash
-        uses: actions/github-script@v6
-        env:
-          RELEASE_ID: ${{ steps.create-draft-release.outputs.result }}
-        with:
-          script: |
-            const {uploadReleaseAssetsForDotSlashFiles} = require('./scripts/releases/upload-release-assets-for-dotslash.js');
-            const version = '${{ github.ref_name }}';
-            await uploadReleaseAssetsForDotSlashFiles({
-              version,
-              token: '${{secrets.REACT_NATIVE_BOT_GITHUB_TOKEN}}',
-              releaseId: process.env.RELEASE_ID,
-            });
+            await createDraftRelease(version, isLatest(), '${{secrets.REACT_NATIVE_BOT_GITHUB_TOKEN}}');

.github/workflows/create-release.yml

@@ -19,7 +19,6 @@ on:
 
 jobs:
   create_release:
-    if: github.repository == 'facebook/react-native'
     runs-on: ubuntu-latest
     steps:
       - name: Checkout

.github/workflows/monitor-new-issues.yml

@@ -27,6 +27,10 @@ jobs:
           ONCALL2=$(echo $ONCALLS | cut -d ' ' -f 2)
           echo "oncall1=$ONCALL1" >> $GITHUB_ENV
           echo "oncall2=$ONCALL2" >> $GITHUB_ENV
+      - name: Print oncalls
+        run: |
+          echo "oncall1: ${{ env.oncall1 }}"
+          echo "oncall2: ${{ env.oncall2 }}"
       - name: Monitor New Issues
         uses: react-native-community/repo-monitor@v1.0.1
         with:

.github/workflows/nightly.yml

@@ -21,21 +21,130 @@ jobs:
           echo "Setting release type to nightly"
           echo "RELEASE_TYPE=nightly" >> $GITHUB_OUTPUT
 
+  prepare_hermes_workspace:
+    runs-on: ubuntu-latest
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_VERSION_FILE: packages/react-native/sdks/.hermesversion
+    outputs:
+      react-native-version: ${{ steps.prepare-hermes-workspace.outputs.react-native-version }}
+      hermes-version: ${{ steps.prepare-hermes-workspace.outputs.hermes-version }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Prepare Hermes Workspace
+        id: prepare-hermes-workspace
+        uses: ./.github/actions/prepare-hermes-workspace
+        with:
+          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
+          hermes-version-file: ${{ env.HERMES_VERSION_FILE }}
+
+  build_hermesc_apple:
+    runs-on: macos-14
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build HermesC Apple
+        uses: ./.github/actions/build-hermesc-apple
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.output.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.output.react-native-version }}
+
+  build_apple_slices_hermes:
+    runs-on: macos-14
+    needs: [build_hermesc_apple, prepare_hermes_workspace]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+      HERMES_OSXBIN_ARTIFACTS_DIR: /tmp/hermes/osx-bin
+      IOS_DEPLOYMENT_TARGET: "15.1"
+      XROS_DEPLOYMENT_TARGET: "1.0"
+      MAC_DEPLOYMENT_TARGET: "10.15"
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: [Debug, Release]
+        slice: [macosx, iphoneos, iphonesimulator, appletvos, appletvsimulator, catalyst, xros, xrsimulator]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build Slice
+        uses: ./.github/actions/build-apple-slices-hermes
+        with:
+          flavor: ${{ matrix.flavor }}
+          slice: ${{ matrix.slice}}
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+
+  build_hermes_macos:
+    runs-on: macos-14
+    needs: [build_apple_slices_hermes, prepare_hermes_workspace]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+    continue-on-error: true
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: [Debug, Release]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build Hermes MacOS
+        uses: ./.github/actions/build-hermes-macos
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+          flavor: ${{ matrix.flavor }}
+
   prebuild_apple_dependencies:
-    if: github.repository == 'facebook/react-native'
     uses: ./.github/workflows/prebuild-ios-dependencies.yml
     secrets: inherit
 
   prebuild_react_native_core:
     uses: ./.github/workflows/prebuild-ios-core.yml
-    with:
-      use-hermes-nightly: true
     secrets: inherit
-    needs: [prebuild_apple_dependencies]
+    needs: [prebuild_apple_dependencies, build_hermes_macos]
+
+  build_hermesc_linux:
+    runs-on: ubuntu-latest
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build HermesC Linux
+        uses: ./.github/actions/build-hermesc-linux
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+
+  build_hermesc_windows:
+    runs-on: windows-2025
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: 'D:\tmp\hermes'
+      HERMES_TARBALL_ARTIFACTS_DIR: 'D:\tmp\hermes\hermes-runtime-darwin'
+      HERMES_OSXBIN_ARTIFACTS_DIR: 'D:\tmp\hermes\osx-bin'
+      ICU_URL: "https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-Win64-MSVC2017.zip"
+      MSBUILD_DIR: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin'
+      CMAKE_DIR: 'C:\Program Files\CMake\bin'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build HermesC Windows
+        uses: ./.github/actions/build-hermesc-windows
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
 
   build_android:
     runs-on: 8-core-ubuntu
-    if: github.repository == 'facebook/react-native'
     needs: [set_release_type]
     container:
       image: reactnativecommunity/react-native-android:latest
@@ -60,6 +169,10 @@ jobs:
     needs:
       [
         set_release_type,
+        prepare_hermes_workspace,
+        build_hermes_macos,
+        build_hermesc_linux,
+        build_hermesc_windows,
         build_android,
         prebuild_apple_dependencies,
         prebuild_react_native_core,
@@ -72,6 +185,7 @@ jobs:
         # By default we only build ARM64 to save time/resources. For release/nightlies, we override this value to build all archs.
         ORG_GRADLE_PROJECT_reactNativeArchitectures: "arm64-v8a"
     env:
+      HERMES_WS_DIR: /tmp/hermes
       GHA_NPM_TOKEN: ${{ secrets.GHA_NPM_TOKEN }}
       ORG_GRADLE_PROJECT_SIGNING_PWD: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_PWD }}
       ORG_GRADLE_PROJECT_SIGNING_KEY: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_KEY }}
@@ -83,6 +197,7 @@ jobs:
       - name: Build and Publish NPM Package
         uses: ./.github/actions/build-npm-package
         with:
+          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
           gha-npm-token: ${{ env.GHA_NPM_TOKEN }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}

.github/workflows/prebuild-ios-core.yml

@@ -2,16 +2,11 @@ name: Prebuild iOS Dependencies
 
 on:
   workflow_call: # this directive allow us to call this workflow from other workflows
-    inputs:
-      use-hermes-nightly:
-        description: 'Whether to use the hermes nightly build or read the version from the versions.properties file'
-        type: boolean
-        required: false
-        default: false
+
 
 jobs:
   build-rn-slice:
-    runs-on: macos-15
+    runs-on: macos-14
     strategy:
       fail-fast: false
       matrix:
@@ -28,7 +23,7 @@ jobs:
         id: restore-ios-slice
         uses: actions/cache/restore@v4
         with:
-          key: v3-ios-core-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift', 'packages/react-native/scripts/ios-prebuild/*.js', 'packages/react-native/scripts/ios-prebuild.js', 'packages/react-native/React/**/*', 'packages/react-native/ReactCommon/**/*', 'packages/react-native/Libraries/**/*') }}
+          key: v3-ios-core-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift', 'packages/react-native/scripts/ios-prebuild/setup.js', 'packages/react-native/React/**/*', 'packages/react-native/ReactCommon/**/*', 'packages/react-native/Libraries/**/*') }}
           path: packages/react-native/
       - name: Setup node.js
         if: steps.restore-ios-slice.outputs.cache-hit != 'true'
@@ -37,20 +32,39 @@ jobs:
         if: steps.restore-ios-slice.outputs.cache-hit != 'true'
         uses: ./.github/actions/setup-xcode
         with:
-          platform: ${{ matrix.slice }}
+          xcode-version: '16.2.0'
       - name: Yarn Install
         if: steps.restore-ios-slice.outputs.cache-hit != 'true'
         uses: ./.github/actions/yarn-install
-      - name: Set Hermes version
+      - name: Download Hermes
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+        uses: actions/download-artifact@v4
+        with:
+          name: hermes-darwin-bin-${{ matrix.flavor }}
+          path: /tmp/hermes/hermes-runtime-darwin
+      - name: Extract Hermes
+        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
         shell: bash
         run: |
-          if [ "${{ inputs.use-hermes-nightly }}" == "true" ]; then
-            HERMES_VERSION="nightly"
-          else
-            HERMES_VERSION=$(sed -n 's/^HERMES_VERSION_NAME=//p' packages/react-native/sdks/hermes-engine/version.properties)
+          HERMES_TARBALL_ARTIFACTS_DIR=/tmp/hermes/hermes-runtime-darwin
+          if [ ! -d $HERMES_TARBALL_ARTIFACTS_DIR ]; then
+            echo "Hermes tarball artifacts dir not present ($HERMES_TARBALL_ARTIFACTS_DIR)."
+            exit 0
           fi
-          echo "Using Hermes version: $HERMES_VERSION"
-          echo "HERMES_VERSION=$HERMES_VERSION" >> $GITHUB_ENV
+
+          TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "${{ matrix.flavor }}")
+          TARBALL_PATH=$HERMES_TARBALL_ARTIFACTS_DIR/$TARBALL_FILENAME
+
+          echo "Looking for $TARBALL_FILENAME in $HERMES_TARBALL_ARTIFACTS_DIR"
+          echo "$TARBALL_PATH"
+
+          if [ ! -f $TARBALL_PATH ]; then
+            echo "Hermes tarball not present ($TARBALL_PATH). Build Hermes from source."
+            exit 0
+          fi
+
+          echo "Found Hermes tarball at $TARBALL_PATH"
+          echo "HERMES_ENGINE_TARBALL_PATH=$TARBALL_PATH" >> $GITHUB_ENV
       - name: Download ReactNativeDependencies
         uses: actions/download-artifact@v4
         with:
@@ -103,13 +117,13 @@ jobs:
         uses: actions/cache/save@v4
         if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode
         with:
-          key: v3-ios-core-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift', 'packages/react-native/scripts/ios-prebuild/*.js', 'packages/react-native/scripts/ios-prebuild.js', 'packages/react-native/React/**/*', 'packages/react-native/ReactCommon/**/*', 'packages/react-native/Libraries/**/*') }}
+          key: v3-ios-core-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift', 'packages/react-native/scripts/ios-prebuild/setup.js', 'packages/react-native/React/**/*', 'packages/react-native/ReactCommon/**/*', 'packages/react-native/Libraries/**/*') }}
           path: |
             packages/react-native/.build/output/spm/${{ matrix.flavor }}/Build/Products
             packages/react-native/.build/headers
 
   compose-xcframework:
-    runs-on: macos-15
+    runs-on: macos-14
     needs: [build-rn-slice]
     strategy:
       fail-fast: false
@@ -126,7 +140,7 @@ jobs:
         uses: actions/cache/restore@v4
         with:
           path: packages/react-native/.build/output/xcframeworks
-          key: v2-ios-core-xcframework-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift', 'packages/react-native/scripts/ios-prebuild/*.js', 'packages/react-native/scripts/ios-prebuild.js', 'packages/react-native/React/**/*', 'packages/react-native/ReactCommon/**/*', 'packages/react-native/Libraries/**/*') }}
+          key: v2-ios-core-xcframework-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift', 'packages/react-native/scripts/ios-prebuild/setup.js', 'packages/react-native/React/**/*', 'packages/react-native/ReactCommon/**/*', 'packages/react-native/Libraries/**/*') }}
       - name: Setup node.js
         if: steps.restore-ios-xcframework.outputs.cache-hit != 'true'
         uses: ./.github/actions/setup-node
@@ -195,4 +209,4 @@ jobs:
           path: |
             packages/react-native/.build/output/xcframeworks/ReactCore${{matrix.flavor}}.xcframework.tar.gz
             packages/react-native/.build/output/xcframeworks/ReactCore${{matrix.flavor}}.framework.dSYM.tar.gz
-          key: v2-ios-core-xcframework-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift', 'packages/react-native/scripts/ios-prebuild/*.js', 'packages/react-native/scripts/ios-prebuild.js', 'packages/react-native/React/**/*', 'packages/react-native/ReactCommon/**/*', 'packages/react-native/Libraries/**/*') }}
+          key: v2-ios-core-xcframework-${{ matrix.flavor }}-${{ hashFiles('packages/react-native/Package.swift', 'packages/react-native/scripts/ios-prebuild/setup.js', 'packages/react-native/React/**/*', 'packages/react-native/ReactCommon/**/*', 'packages/react-native/Libraries/**/*') }}

.github/workflows/prebuild-ios-dependencies.yml

@@ -7,7 +7,7 @@ on:
 jobs:
   prepare_workspace:
     name: Prepare workspace
-    runs-on: macos-15
+    runs-on: macos-14
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -18,7 +18,7 @@ jobs:
         uses: actions/cache/restore@v4
         with:
           path: packages/react-native/third-party/
-          key: v3-ios-dependencies-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v2-ios-dependencies-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
           enableCrossOsArchive: true
       - name: Yarn Install
         if: steps.restore-ios-prebuilds.outputs.cache-hit != 'true'
@@ -40,13 +40,13 @@ jobs:
         uses: actions/cache/save@v4
         if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode
         with:
-          key: v3-ios-dependencies-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v2-ios-dependencies-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
           enableCrossOsArchive: true
           path: packages/react-native/third-party/
 
   build-apple-slices:
     name: Build Apple Slice
-    runs-on: macos-15
+    runs-on: macos-14
     needs: [prepare_workspace]
     strategy:
       fail-fast: false
@@ -65,17 +65,16 @@ jobs:
         uses: actions/checkout@v4
       - name: Setup node.js
         uses: ./.github/actions/setup-node
+      - name: Setup xcode
+        uses: ./.github/actions/setup-xcode
+        with:
+          xcode-version: '16.1'
       - name: Restore slice folder
         id: restore-slice-folder
         uses: actions/cache/restore@v4
         with:
           path: packages/react-native/third-party/.build/Build/Products
-          key: v3-ios-dependencies-slice-folder-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
-      - name: Setup xcode
-        if: steps.restore-slice-folder.outputs.cache-hit != 'true'
-        uses: ./.github/actions/setup-xcode
-        with:
-          platform: ${{ matrix.slice }}
+          key: v2-ios-dependencies-slice-folder-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
       - name: Yarn Install
         if: steps.restore-slice-folder.outputs.cache-hit != 'true'
         uses: ./.github/actions/yarn-install
@@ -86,8 +85,15 @@ jobs:
           name: ios-prebuilds-workspace
           path: packages/react-native/third-party/
       - name: Print third-party folder structure
-        if: steps.restore-slice-folder.outputs.cache-hit != 'true'
         run: ls -lR packages/react-native/third-party
+      - name: Install VisionOS
+        if: ${{ steps.restore-slice-folder.outputs.cache-hit != 'true' && (matrix.slice == 'xros' || matrix.slice == 'xros-simulator') }}
+        run: |
+          # https://github.com/actions/runner-images/issues/10559
+          sudo xcodebuild -runFirstLaunch
+          sudo xcrun simctl list
+          sudo xcodebuild -downloadPlatform visionOS
+          sudo xcodebuild -runFirstLaunch
       - name: Build slice ${{ matrix.slice }} for ${{ matrix.flavor }}
         if: steps.restore-slice-folder.outputs.cache-hit != 'true'
         run:  node scripts/releases/prepare-ios-prebuilds.js -b -p ${{ matrix.slice }} -r ${{ matrix.flavor }}
@@ -101,14 +107,14 @@ jobs:
         uses: actions/cache/save@v4
         if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode
         with:
-          key: v3-ios-dependencies-slice-folder-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v2-ios-dependencies-slice-folder-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
           enableCrossOsArchive: true
           path: |
             packages/react-native/third-party/.build/Build/Products
 
   create-xcframework:
     name: Prepare XCFramework
-    runs-on: macos-15
+    runs-on: macos-14
     needs: [build-apple-slices]
     strategy:
       fail-fast: false
@@ -132,7 +138,7 @@ jobs:
         with:
           path: |
             packages/react-native/third-party/
-          key: v3-ios-dependencies-xcframework-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v2-ios-dependencies-xcframework-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
       # If cache hit, we already have our binary. We don't need to do anything.
       - name: Yarn Install
         if: steps.restore-xcframework.outputs.cache-hit != 'true'
@@ -173,9 +179,8 @@ jobs:
       - name: Compress and Rename dSYM
         if: steps.restore-xcframework.outputs.cache-hit != 'true'
         run: |
-          cd packages/react-native/third-party/Symbols/
-          tar -cz -f ../ReactNativeDependencies${{ matrix.flavor }}.framework.dSYM.tar.gz .
-          mv ../ReactNativeDependencies${{ matrix.flavor }}.framework.dSYM.tar.gz ./ReactNativeDependencies${{ matrix.flavor }}.framework.dSYM.tar.gz
+          tar -cz -f packages/react-native/third-party/Symbols/ReactNativeDependencies${{ matrix.flavor }}.framework.dSYM.tar.gz \
+            packages/react-native/third-party/Symbols/ReactNativeDependencies.framework.dSYM
       - name: Upload XCFramework Artifact
         uses: actions/upload-artifact@v4
         with:
@@ -194,4 +199,4 @@ jobs:
           path: |
             packages/react-native/third-party/ReactNativeDependencies${{ matrix.flavor }}.xcframework.tar.gz
             packages/react-native/third-party/ReactNativeDependencies${{ matrix.flavor }}.framework.dSYM.tar.gz
-          key: v3-ios-dependencies-xcframework-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v2-ios-dependencies-xcframework-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}

.github/workflows/publish-bumped-packages.yml

@@ -9,7 +9,6 @@ on:
 jobs:
   publish_bumped_packages:
     runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
     env:
       GHA_NPM_TOKEN: ${{ secrets.GHA_NPM_TOKEN }}
     steps:

.github/workflows/publish-release.yml

@@ -19,43 +19,136 @@ jobs:
           echo "Setting release type to release"
           echo "RELEASE_TYPE=release" >> $GITHUB_OUTPUT
 
-  set_hermes_versions:
+  prepare_hermes_workspace:
     runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_VERSION_FILE: packages/react-native/sdks/.hermesversion
     outputs:
-      HERMES_VERSION: ${{ steps.set_hermes_versions.outputs.HERMES_VERSION }}
-      HERMES_V1_VERSION: ${{ steps.set_hermes_versions.outputs.HERMES_V1_VERSION }}
+      react-native-version: ${{ steps.prepare-hermes-workspace.outputs.react-native-version }}
+      hermes-version: ${{ steps.prepare-hermes-workspace.outputs.hermes-version }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - id: set_hermes_versions
-        run: |
-          echo "Setting hermes versions to latest"
-          hermes_version=$(grep -oE 'HERMES_VERSION_NAME=([0-9]+\.[0-9]+\.[0-9]+)' packages/react-native/sdks/hermes-engine/version.properties | cut -d'=' -f2)
-          hermes_v1_version=$(grep -oE 'HERMES_V1_VERSION_NAME=([0-9]+\.[0-9]+\.[0-9]+)' packages/react-native/sdks/hermes-engine/version.properties | cut -d'=' -f2)
+      - name: Prepare Hermes Workspace
+        id: prepare-hermes-workspace
+        uses: ./.github/actions/prepare-hermes-workspace
+        with:
+          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
+          hermes-version-file: ${{ env.HERMES_VERSION_FILE }}
 
-          echo "HERMES_VERSION=$hermes_version" >> $GITHUB_OUTPUT
-          echo "HERMES_V1_VERSION=$hermes_v1_version" >> $GITHUB_OUTPUT
-      - name: Print hermes versions
-        run: |
-          echo "HERMES_VERSION=${{ steps.set_hermes_versions.outputs.HERMES_VERSION }}"
-          echo "HERMES_V1_VERSION=${{ steps.set_hermes_versions.outputs.HERMES_V1_VERSION }}"
+  build_hermesc_apple:
+    runs-on: macos-14
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build HermesC Apple
+        uses: ./.github/actions/build-hermesc-apple
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.output.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.output.react-native-version }}
+  build_apple_slices_hermes:
+    runs-on: macos-14
+    needs: [build_hermesc_apple, prepare_hermes_workspace]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+      HERMES_OSXBIN_ARTIFACTS_DIR: /tmp/hermes/osx-bin
+      IOS_DEPLOYMENT_TARGET: "15.1"
+      XROS_DEPLOYMENT_TARGET: "1.0"
+      MAC_DEPLOYMENT_TARGET: "10.15"
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: [Debug, Release]
+        slice: [macosx, iphoneos, iphonesimulator, appletvos, appletvsimulator, catalyst, xros, xrsimulator]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build Slice
+        uses: ./.github/actions/build-apple-slices-hermes
+        with:
+          flavor: ${{ matrix.flavor }}
+          slice: ${{ matrix.slice}}
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+
+  build_hermes_macos:
+    runs-on: macos-14
+    needs: [build_apple_slices_hermes, prepare_hermes_workspace]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+    continue-on-error: true
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: [Debug, Release]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build Hermes MacOS
+        uses: ./.github/actions/build-hermes-macos
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+          flavor: ${{ matrix.flavor }}
 
   prebuild_apple_dependencies:
-    if: github.repository == 'facebook/react-native'
     uses: ./.github/workflows/prebuild-ios-dependencies.yml
     secrets: inherit
 
   prebuild_react_native_core:
     uses: ./.github/workflows/prebuild-ios-core.yml
     secrets: inherit
-    needs: [prebuild_apple_dependencies]
+    needs: [prebuild_apple_dependencies, build_hermes_macos]
+
+  build_hermesc_linux:
+    runs-on: ubuntu-latest
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build HermesC Linux
+        uses: ./.github/actions/build-hermesc-linux
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+
+  build_hermesc_windows:
+    runs-on: windows-2025
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: 'D:\tmp\hermes'
+      HERMES_TARBALL_ARTIFACTS_DIR: 'D:\tmp\hermes\hermes-runtime-darwin'
+      HERMES_OSXBIN_ARTIFACTS_DIR: 'D:\tmp\hermes\osx-bin'
+      ICU_URL: "https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-Win64-MSVC2017.zip"
+      MSBUILD_DIR: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin'
+      CMAKE_DIR: 'C:\Program Files\CMake\bin'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build HermesC Windows
+        uses: ./.github/actions/build-hermesc-windows
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
 
   build_npm_package:
     runs-on: 8-core-ubuntu
     needs:
       [
         set_release_type,
+        prepare_hermes_workspace,
+        build_hermes_macos,
+        build_hermesc_linux,
+        build_hermesc_windows,
         prebuild_apple_dependencies,
         prebuild_react_native_core,
       ]
@@ -67,6 +160,7 @@ jobs:
         # By default we only build ARM64 to save time/resources. For release/nightlies, we override this value to build all archs.
         ORG_GRADLE_PROJECT_reactNativeArchitectures: "arm64-v8a"
     env:
+      HERMES_WS_DIR: /tmp/hermes
       GHA_NPM_TOKEN: ${{ secrets.GHA_NPM_TOKEN }}
       ORG_GRADLE_PROJECT_SIGNING_PWD: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_PWD }}
       ORG_GRADLE_PROJECT_SIGNING_KEY: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_KEY }}
@@ -82,6 +176,7 @@ jobs:
       - name: Build and Publish NPM Package
         uses: ./.github/actions/build-npm-package
         with:
+          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
           gha-npm-token: ${{ env.GHA_NPM_TOKEN }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
@@ -139,9 +234,6 @@ jobs:
     secrets: inherit
 
   create_draft_release:
-    needs: [generate_changelog, set_hermes_versions]
+    needs: generate_changelog
     uses: ./.github/workflows/create-draft-release.yml
     secrets: inherit
-    with:
-      hermesVersion: ${{ needs.set_hermes_versions.outputs.HERMES_VERSION }}
-      hermesV1Version: ${{ needs.set_hermes_versions.outputs.HERMES_V1_VERSION }}

.github/workflows/retry-workflow.yml

@@ -9,7 +9,6 @@ on:
 jobs:
     rerun:
         runs-on: ubuntu-latest
-        if: github.repository == 'facebook/react-native'
         steps:
             - name: rerun ${{ inputs.run_id }}
               env:

.github/workflows/test-all.yml

@@ -2,6 +2,11 @@ name: Test All
 
 on:
   workflow_dispatch:
+    inputs:
+      run-e2e-tests:
+        description: Whether to run E2E tests or not
+        type: boolean
+        default: false
   pull_request:
   push:
     branches:
@@ -11,7 +16,6 @@ on:
 jobs:
   set_release_type:
     runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
     outputs:
       RELEASE_TYPE: ${{ steps.set_release_type.outputs.RELEASE_TYPE }}
     env:
@@ -33,22 +37,101 @@ jobs:
 
           echo "Should I run E2E tests? ${{ inputs.run-e2e-tests }}"
 
+  prepare_hermes_workspace:
+    runs-on: ubuntu-latest
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_VERSION_FILE: packages/react-native/sdks/.hermesversion
+    outputs:
+      react-native-version: ${{ steps.prepare-hermes-workspace.outputs.react-native-version }}
+      hermes-version: ${{ steps.prepare-hermes-workspace.outputs.hermes-version }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Prepare Hermes Workspace
+        id: prepare-hermes-workspace
+        uses: ./.github/actions/prepare-hermes-workspace
+        with:
+          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
+          hermes-version-file: ${{ env.HERMES_VERSION_FILE }}
+
+  build_hermesc_apple:
+    runs-on: macos-14
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build HermesC Apple
+        uses: ./.github/actions/build-hermesc-apple
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+
+  build_apple_slices_hermes:
+    runs-on: macos-14
+    needs: [build_hermesc_apple, prepare_hermes_workspace]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+      HERMES_OSXBIN_ARTIFACTS_DIR: /tmp/hermes/osx-bin
+      IOS_DEPLOYMENT_TARGET: "15.1"
+      XROS_DEPLOYMENT_TARGET: "1.0"
+      MAC_DEPLOYMENT_TARGET: "10.15"
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: [Debug, Release]
+        slice: [macosx, iphoneos, iphonesimulator, appletvos, appletvsimulator, catalyst, xros, xrsimulator]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build Slice
+        uses: ./.github/actions/build-apple-slices-hermes
+        with:
+          flavor: ${{ matrix.flavor }}
+          slice: ${{ matrix.slice}}
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+
+  build_hermes_macos:
+    runs-on: macos-14
+    needs: [build_apple_slices_hermes, prepare_hermes_workspace]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+    continue-on-error: true
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: [Debug, Release]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build Hermes MacOS
+        uses: ./.github/actions/build-hermes-macos
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+          flavor: ${{ matrix.flavor }}
+
   prebuild_apple_dependencies:
-    if: github.repository == 'facebook/react-native'
     uses: ./.github/workflows/prebuild-ios-dependencies.yml
     secrets: inherit
 
   prebuild_react_native_core:
     uses: ./.github/workflows/prebuild-ios-core.yml
-    with:
-      use-hermes-nightly: ${{ !endsWith(github.ref_name, '-stable') }}
     secrets: inherit
-    needs: [prebuild_apple_dependencies]
+    needs: [prebuild_apple_dependencies, build_hermes_macos]
 
   test_ios_rntester_ruby_3_2_0:
-    runs-on: macos-15
+    runs-on: macos-14
     needs:
-      [prebuild_apple_dependencies, prebuild_react_native_core]
+      [build_apple_slices_hermes, prepare_hermes_workspace, build_hermes_macos, prebuild_apple_dependencies, prebuild_react_native_core]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -56,12 +139,17 @@ jobs:
         uses: ./.github/actions/test-ios-rntester
         with:
           ruby-version: "3.2.0"
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
           flavor: Debug
 
   test_ios_rntester:
-    runs-on: macos-15-large
+    runs-on: macos-14-large
     needs:
-      [prebuild_apple_dependencies, prebuild_react_native_core]
+      [build_apple_slices_hermes, prepare_hermes_workspace, build_hermes_macos, prebuild_apple_dependencies, prebuild_react_native_core]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
     continue-on-error: true
     strategy:
       fail-fast: false
@@ -75,12 +163,18 @@ jobs:
         uses: ./.github/actions/test-ios-rntester
         with:
           use-frameworks: ${{ matrix.frameworks }}
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
           flavor: ${{ matrix.flavor }}
 
   test_e2e_ios_rntester:
-    runs-on: macos-15-large
+    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
+    runs-on: macos-14-large
     needs:
       [test_ios_rntester]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
     strategy:
       fail-fast: false
       matrix:
@@ -99,8 +193,6 @@ jobs:
         run: ls -lR /tmp/RNTesterBuild
       - name: Setup xcode
         uses: ./.github/actions/setup-xcode
-        with:
-          platform: ios
       - name: Run E2E Tests
         uses: ./.github/actions/maestro-ios
         with:
@@ -110,8 +202,12 @@ jobs:
           flavor: ${{ matrix.flavor }}
 
   test_e2e_ios_templateapp:
-    runs-on: macos-15-large
+    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
+    runs-on: macos-14-large
     needs: [build_npm_package, prebuild_apple_dependencies]
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
     strategy:
       fail-fast: false
       matrix:
@@ -121,8 +217,6 @@ jobs:
         uses: actions/checkout@v4
       - name: Setup xcode
         uses: ./.github/actions/setup-xcode
-        with:
-          platform: ios
       - name: Setup node.js
         uses: ./.github/actions/setup-node
       - name: Run yarn
@@ -131,6 +225,11 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6.10
+      - name: Download Hermes
+        uses: actions/download-artifact@v4
+        with:
+          name: hermes-darwin-bin-${{matrix.flavor}}
+          path: /tmp/react-native-tmp
       - name: Download React Native Package
         uses: actions/download-artifact@v4
         with:
@@ -154,16 +253,14 @@ jobs:
       - name: Print ReactCore folder
         shell: bash
         run: ls -lR /tmp/ReactCore
-      - name: Configure git
-        shell: bash
-        run: |
-            git config --global user.email "react-native-bot@meta.com"
-            git config --global user.name "React Native Bot"
       - name: Prepare artifacts
         run: |
           REACT_NATIVE_PKG=$(find /tmp/react-native-tmp -type f -name "*.tgz")
           echo "React Native tgs is $REACT_NATIVE_PKG"
 
+          HERMES_PATH=$(find /tmp/react-native-tmp -type f -name "*.tar.gz")
+          echo "Hermes path is $HERMES_PATH"
+
           # For stable branches, we want to use the stable branch of the template
           # In all the other cases, we want to use "main"
           BRANCH=${{ github.ref_name }}
@@ -178,9 +275,8 @@ jobs:
           NEW_ARCH_ENABLED=1
 
           export RCT_USE_LOCAL_RN_DEP=/tmp/third-party/ReactNativeDependencies${{ matrix.flavor }}.xcframework.tar.gz
-          # Disable prebuilds for now, as they are causing issues with E2E tests for 0.82-stable branch
-          # export RCT_TESTONLY_RNCORE_TARBALL_PATH="/tmp/ReactCore/ReactCore${{ matrix.flavor }}.xcframework.tar.gz"
-          RCT_NEW_ARCH_ENABLED=$NEW_ARCH_ENABLED bundle exec pod install
+          export RCT_TESTONLY_RNCORE_TARBALL_PATH="/tmp/ReactCore/ReactCore${{ matrix.flavor }}.xcframework.tar.gz"
+          HERMES_ENGINE_TARBALL_PATH=$HERMES_PATH RCT_NEW_ARCH_ENABLED=$NEW_ARCH_ENABLED bundle exec pod install
 
           xcodebuild \
             -scheme "RNTestProject" \
@@ -199,6 +295,7 @@ jobs:
           working-directory: /tmp/RNTestProject
 
   test_e2e_android_templateapp:
+    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
     runs-on: 4-core-ubuntu
     needs: build_npm_package
     strategy:
@@ -266,24 +363,39 @@ jobs:
           flavor: ${{ matrix.flavor }}
           working-directory: /tmp/RNTestProject
 
-  run_fantom_tests:
-    runs-on: 8-core-ubuntu
-    needs: [set_release_type]
-    container:
-      image: reactnativecommunity/react-native-android:latest
-      env:
-        TERM: "dumb"
-        GRADLE_OPTS: "-Dorg.gradle.daemon=false"
-        ORG_GRADLE_PROJECT_SIGNING_PWD: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_PWD }}
-        ORG_GRADLE_PROJECT_SIGNING_KEY: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_KEY }}
+  build_hermesc_linux:
+    runs-on: ubuntu-latest
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: /tmp/hermes
+      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Build and Test Fantom
-        uses: ./.github/actions/run-fantom-tests
+      - name: Build HermesC Linux
+        uses: ./.github/actions/build-hermesc-linux
         with:
-          release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
-          gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+
+  build_hermesc_windows:
+    runs-on: windows-2025
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: 'D:\tmp\hermes'
+      HERMES_TARBALL_ARTIFACTS_DIR: 'D:\tmp\hermes\hermes-runtime-darwin'
+      HERMES_OSXBIN_ARTIFACTS_DIR: 'D:\tmp\hermes\osx-bin'
+      ICU_URL: "https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-Win64-MSVC2017.zip"
+      MSBUILD_DIR: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin'
+      CMAKE_DIR: 'C:\Program Files\CMake\bin'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build HermesC Windows
+        uses: ./.github/actions/build-hermesc-windows
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
 
   build_android:
     runs-on: 8-core-ubuntu
@@ -302,9 +414,11 @@ jobs:
         uses: ./.github/actions/build-android
         with:
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
+          run-e2e-tests: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
 
   test_e2e_android_rntester:
+    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
     runs-on: 4-core-ubuntu
     needs: [build_android]
     strategy:
@@ -339,6 +453,10 @@ jobs:
     needs:
       [
         set_release_type,
+        prepare_hermes_workspace,
+        build_hermes_macos,
+        build_hermesc_linux,
+        build_hermesc_windows,
         build_android,
         prebuild_apple_dependencies,
         prebuild_react_native_core,
@@ -348,12 +466,15 @@ jobs:
       env:
         TERM: "dumb"
         GRADLE_OPTS: "-Dorg.gradle.daemon=false"
+    env:
+      HERMES_WS_DIR: /tmp/hermes
     steps:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Build NPM Package
         uses: ./.github/actions/build-npm-package
         with:
+          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
 
@@ -396,12 +517,6 @@ jobs:
           cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
       - name: Run yarn install
         uses: ./.github/actions/yarn-install
-      - name: Set nightly Hermes versions
-        shell: bash
-        run: |
-          node ./scripts/releases/use-hermes-nightly.js
-      - name: Run yarn install again, with the correct hermes version
-        uses: ./.github/actions/yarn-install
       - name: Prepare the Helloworld application
         shell: bash
         run: node ./scripts/e2e/init-project-e2e.js --useHelloWorld --pathToLocalReactNative "$GITHUB_WORKSPACE/build/$(cat build/react-native-package-version)"
@@ -422,10 +537,11 @@ jobs:
           compression-level: 0
 
   test_ios_helloworld_with_ruby_3_2_0:
-    runs-on: macos-15
-    needs: [prebuild_apple_dependencies, prebuild_react_native_core]
+    runs-on: macos-14
+    needs: [prepare_hermes_workspace, build_hermes_macos, prebuild_apple_dependencies, prebuild_react_native_core] # prepare_hermes_workspace must be there because we need its reference to retrieve a couple of outputs
     env:
       PROJECT_NAME: iOSTemplateProject
+      HERMES_WS_DIR: /tmp/hermes
       YARN_ENABLE_IMMUTABLE_INSTALLS: false
     steps:
       - name: Checkout
@@ -434,10 +550,12 @@ jobs:
         with:
           ruby-version: 3.2.0
           flavor: Debug
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
 
   test_ios_helloworld:
-    runs-on: macos-15
-    needs: [prebuild_apple_dependencies, prebuild_react_native_core]
+    runs-on: macos-14
+    needs: [prepare_hermes_workspace, build_hermes_macos, prebuild_apple_dependencies, prebuild_react_native_core] # prepare_hermes_workspace must be there because we need its reference to retrieve a couple of outputs
     strategy:
       matrix:
         flavor: [Debug, Release]
@@ -448,6 +566,7 @@ jobs:
             use_frameworks: StaticLibraries
     env:
       PROJECT_NAME: iOSTemplateProject
+      HERMES_WS_DIR: /tmp/hermes
       YARN_ENABLE_IMMUTABLE_INSTALLS: false
     steps:
       - name: Checkout
@@ -456,14 +575,15 @@ jobs:
         with:
           flavor: ${{ matrix.flavor }}
           use-frameworks: ${{ matrix.use_frameworks }}
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
 
   test_js:
     runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
     strategy:
       fail-fast: false
       matrix:
-        node-version: ["24.4.1", "22", "20.19.4"]
+        node-version: ["24", "22"]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -474,7 +594,6 @@ jobs:
 
   lint:
     runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
     env:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
@@ -497,7 +616,7 @@ jobs:
   rerun-failed-jobs:
     runs-on: ubuntu-latest
     needs: [test_e2e_ios_rntester, test_e2e_android_rntester, test_e2e_ios_templateapp, test_e2e_android_templateapp]
-    if: ${{ github.ref == 'refs/heads/main' && always() }}
+    if: always()
     steps:
       - name: Checkout
         uses: actions/checkout@v4

.github/workflows/test-libraries-on-nightlies.yml

@@ -0,0 +1,100 @@
+name: Test Libraries on Nightlies
+
+on:
+  workflow_call:
+    secrets:
+      discord_webhook_url:
+        required: true
+
+
+# We use the matrix.library entry to specify the dependency we want to use
+# The key is used directly as the <pkg> in the `yarn add <pkg>` command.
+jobs:
+  runner-setup:
+    runs-on: ubuntu-latest
+    outputs:
+      runners: '{"ios":"macos-14-large", "android": "ubuntu-latest"}'
+    steps:
+      - run: echo no-op
+
+  test-library-on-nightly:
+    name: "[${{ matrix.platform }}] ${{ matrix.library }}"
+    needs: runner-setup
+    runs-on: ${{ fromJSON(needs.runner-setup.outputs.runners)[matrix.platform] }}
+    continue-on-error: true
+    strategy:
+      matrix:
+        library: [
+          "react-native-async-storage",
+          "react-native-blob-util",
+          "@react-native-clipboard/clipboard",
+          "@react-native-community/datetimepicker",
+          "react-native-gesture-handler",
+          "react-native-image-picker",
+          "react-native-linear-gradient",
+          "@react-native-masked-view/masked-view",
+          # "react-native-maps", React Native Maps with the New Arch support has a complex cocoapods setup for iOS. It needs a dedicated workflow.
+          "@react-native-community/netinfo",
+          "react-native-reanimated@nightly react-native-worklets@nightly", #reanimated requires worklet to be explicitly installed as a separate package
+          "react-native-svg",
+          "react-native-video",
+          "react-native-webview",
+          "react-native-mmkv",
+          "react-native-screens",
+          "react-native-pager-view",
+          "@react-native-community/slider",
+          # additional OSS libs used internally
+          "scandit-react-native-datacapture-barcode scandit-react-native-datacapture-core",
+          "react-native-contacts",
+          "react-native-device-info",
+          "react-native-email-link",
+          "@dr.pogodin/react-native-fs",
+          "react-native-permissions",
+          "react-native-vector-icons",
+          "react-native-masked-view",
+          "@react-native-community/image-editor",
+        ]
+        platform: [ios, android]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Set up Node.js
+        uses: ./.github/actions/setup-node
+      - name: Test ${{ matrix.library }}
+        id: run-test
+        uses: ./.github/actions/test-library-on-nightly
+        with:
+          library-npm-package: ${{ matrix.library }}
+          platform: ${{ matrix.platform}}
+      - name: Save outcome
+        id: save-outcome
+        if: always()
+        run: |
+          LIB_FOLDER=$(echo "${{matrix.library}}"  | tr ' ' '_' | tr '/' '_')
+          echo "${{matrix.library}}: ${{steps.run-test.outcome}}" > "/tmp/$LIB_FOLDER-${{ matrix.platform }}-outcome"
+          echo "lib_folder=$LIB_FOLDER" >> $GITHUB_OUTPUT
+      - name: Upload Artifact
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ steps.save-outcome.outputs.lib_folder }}-${{ matrix.platform }}-outcome
+          path: /tmp/${{ steps.save-outcome.outputs.lib_folder }}-${{ matrix.platform }}-outcome
+
+
+  collect-results:
+    runs-on: ubuntu-latest
+    needs: [test-library-on-nightly]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Restore outcomes
+        uses: actions/download-artifact@v4
+        with:
+          pattern: '*-outcome'
+          path: /tmp
+      - name: Collect failures
+        uses: actions/github-script@v6
+        with:
+          script: |
+            const {collectResults} = require('./.github/workflow-scripts/collectNightlyOutcomes.js');
+            await collectResults('${{secrets.discord_webhook_url}}');

.github/workflows/validate-dotslash-artifacts.yml

@@ -1,49 +0,0 @@
-name: Validate DotSlash Artifacts
-
-on:
-  workflow_dispatch:
-  release:
-    types: [published]
-  push:
-    branches:
-      - main
-    paths:
-      - packages/debugger-shell/bin/react-native-devtools
-      - "scripts/releases/**"
-      - package.json
-      - yarn.lock
-  pull_request:
-    branches:
-      - main
-    paths:
-      - packages/debugger-shell/bin/react-native-devtools
-      - "scripts/releases/**"
-      - package.json
-      - yarn.lock
-  # Same time as the nightly build: 2:15 AM UTC
-  schedule:
-    - cron: "15 2 * * *"
-
-jobs:
-  validate-dotslash-artifacts:
-    runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-          fetch-tags: true
-      - name: Install dependencies
-        uses: ./.github/actions/yarn-install
-      - name: Configure Git
-        shell: bash
-        run: |
-          git config --local user.email "bot@reactnative.dev"
-          git config --local user.name "React Native Bot"
-      - name: Validate DotSlash artifacts
-        uses: actions/github-script@v6
-        with:
-          script: |
-            const {validateDotSlashArtifacts} = require('./scripts/releases/validate-dotslash-artifacts.js');
-            await validateDotSlashArtifacts();

.gitignore

@@ -43,6 +43,7 @@ project.xcworkspace
 /private/helloworld/android/app/build/
 /private/helloworld/android/build/
 /packages/react-native-popup-menu-android/android/build/
+/packages/react-native-test-library/android/build/
 
 # Buck
 .buckd
@@ -133,7 +134,6 @@ vendor/
 # Swift Package build folder
 /packages/react-native/.build
 /packages/react-native/.swiftpm
-/packages/react-native/React/includes/
 
 # @react-native/codegen
 /packages/react-native/React/FBReactNativeSpec/
@@ -171,7 +171,6 @@ fix_*.patch
 
 # Jest Integration
 /private/react-native-fantom/build/
-/private/react-native-fantom/.out/
 /private/react-native-fantom/tester/build/
 
 # [Experimental] Generated TS type definitions

.prettierrc

@@ -0,0 +1,36 @@
+{
+  "arrowParens": "avoid",
+  "bracketSameLine": true,
+  "bracketSpacing": false,
+  "requirePragma": true,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "endOfLine": "lf",
+  "overrides": [
+    {
+      "files": ["*.code-workspace"],
+      "options": {
+        "parser": "json"
+      }
+    },
+    {
+      "files": [
+        "*.js",
+        "*.js.flow"
+      ],
+      "options": {
+        "parser": "hermes"
+      }
+    },
+    {
+      "files": [
+        "**/__docs__/*.md"
+      ],
+      "options": {
+        "parser": "markdown",
+        "proseWrap": "always",
+        "requirePragma": false
+      }
+    }
+  ]
+}

.prettierrc.js

@@ -1,46 +0,0 @@
-/**
- * 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.
- *
- * @format
- */
-
-let plugins = ['prettier-plugin-hermes-parser'];
-try {
-  plugins = require('./.prettier-plugins.fb.js');
-} catch {}
-
-module.exports = {
-  arrowParens: 'avoid',
-  bracketSameLine: true,
-  bracketSpacing: false,
-  requirePragma: true,
-  singleQuote: true,
-  trailingComma: 'all',
-  endOfLine: 'lf',
-  plugins,
-  overrides: [
-    {
-      files: ['*.code-workspace'],
-      options: {
-        parser: 'json',
-      },
-    },
-    {
-      files: ['*.js', '*.js.flow'],
-      options: {
-        parser: 'hermes',
-      },
-    },
-    {
-      files: ['**/__docs__/*.md'],
-      options: {
-        parser: 'markdown',
-        proseWrap: 'always',
-        requirePragma: false,
-      },
-    },
-  ],
-};

CHANGELOG-0.7x.md

@@ -1,36 +1,5 @@
 # Changelog (pre 0.80)
 
-## v0.79.7
-
-### Fixed
-
-#### Android specific
-
-- **Layout:** Make missing parent view state in updateLayout a soft error ([56ad8d9bfd](https://github.com/facebook/react-native/commit/56ad8d9bfd08ea70bc6f5726a2b4a6afb6d2d7c2) by [@javache](https://github.com/javache))
-- **Layout:** Make missing parent view state in updateLayout a soft error ([f2e47d8dab](https://github.com/facebook/react-native/commit/f2e47d8dabcd61621ea81c86cd1e2488948c4229) by [@cipolleschi](https://github.com/cipolleschi))
-
-## v0.79.6
-
-### Added
-
-#### Android specific
-
-- **RNGP** Add support for `exclusiveEnterpriseRepository`  ([df5ac988ce](https://github.com/facebook/react-native/commit/df5ac988cec936c430d41b0fcc15181dc06e46a1) by [@cortinico](https://github.com/cortinico))
-
-#### iOS specific
-
-- **Cocoapods:** Add the ENTERPRISE_REPOSITORY env var to let user consume artifacts from their personal maven mirror ([a74d930c93](https://github.com/facebook/react-native/commit/a74d930c93ffae8c02142e8cc016a4c390a5f784) by [@cipolleschi](https://github.com/cipolleschi))
-
-### Fixed
-
-- **Codegen:** Add missing Babel dependencies ([bf2c3af93b](https://github.com/facebook/react-native/commit/bf2c3af93b146943cb35866fa9badcd188e63f5b) by [@tido64](https://github.com/tido64))
-
-#### Android specific
-
-- **Legacy Arch:** Fix Legacy arch crashing or freezing upon reload ([db600b2e9e](https://github.com/facebook/react-native/commit/db600b2e9e87863cad6dd5ce262dc1f793bcaeb0) by [@robhogan](https://github.com/robhogan))
-- **Modal:** Fix Modal first frame being rendered on top-left corner ([5a315f8d6b](https://github.com/facebook/react-native/commit/5a315f8d6b0ea54442c7ef94b7346b0c73fd0b4c) by [@cortinico](https://github.com/cortinico))
-- **TurboModule:** Fix emitting event from turbo module crashes on 32bit android ([43bc43e5e8](https://github.com/facebook/react-native/commit/43bc43e5e85519d2924c4fc80765e66d0c48b1a9) by [@vladimirivanoviliev](https://github.com/vladimirivanoviliev))
-
 ## v0.79.5
 
 ### Fixed
@@ -553,37 +522,6 @@ ChuiHW))
 - **Style:** Fixed `centerContent` losing taps and causing jitter ([fe7e97a2fd](https://github.com/facebook/react-native/commit/fe7e97a2fd272db0d9d9aa7d0561337a7c8e2c30) by [@gaearon](https://github.com/gaearon))
 - **Xcode:** Properly escape paths in Xcode build script used when bundling an app. ([2fee13094b](https://github.com/facebook/react-native/commit/2fee13094b3d384c071978776fd8b7cff0b6530f) by [@kraenhansen](https://github.com/kraenhansen))
 
-# Changelog
-## v0.77.3
-
-### Added
-
-#### Android specific
-
-- **Gradle**: RNGP - Add support for `exclusiveEnterpriseRepository` to specify an internal Maven mirror. ([6cb8dc37c7](https://github.com/facebook/react-native/commit/6cb8dc37c74995cba3f9f0a845919f305de53c3d) by [@cortinico](https://github.com/cortinico))
-
-### Changed
-
-- **Metro**: Bump Metro minimum version from `^0.81.3` to `^0.81.5`. ([dfa81638dd](https://github.com/facebook/react-native/commit/dfa81638dd17e46f70f10b25c4f4fd9f370a4b0e) by [@robhogan](https://github.com/robhogan))
-
-### Fixed
-
-- **Timers**: Align timer IDs and timer function argument error handling with web standards. ([480a4642e5](https://github.com/facebook/react-native/commit/480a4642e5a644becf1c477d3d239f9b57efff3a) by [@kitten](https://github.com/kitten))
-
-#### Android specific
-
-- **Modal**: Fix Modal first frame being rendered on top-left corner. ([b950fa2afb](https://github.com/facebook/react-native/commit/b950fa2afb20e2213ff6c733cb1c2465b90406ef) by [@cortinico](https://github.com/cortinico))
-- **layout**: Fix wrong `borderBottomEndRadius` on RTL. ([68d6ada448](https://github.com/facebook/react-native/commit/68d6ada44893701b6006a6b1753131c7e880a30a) by [@riteshshukla04](https://github.com/riteshshukla04))
-- **Modal**: Fix `FLAG_SECURE` not respected in Modal dialog. ([7e029b0dcf](https://github.com/facebook/react-native/commit/7e029b0dcf6d1a6455a8a6343457b70e353d0ff6) by [@mateoguzmana](https://github.com/mateoguzmana))
-- **lifecylcle**: Legacy arch: fix #50274, Fast Refresh sometimes breaks after full refresh. ([c43952ac22](https://github.com/facebook/react-native/commit/c43952ac22b2356be3130c906329f61e246082cb) by [@robhogan](https://github.com/robhogan))
-
-#### iOS specific
-
-- **Interop Layer**: Fixed adding child views to a native view using the interop layer. ([d53a60dd23](https://github.com/facebook/react-native/commit/d53a60dd23c5df8afca058a867c50df8b61f62e2) by [@chrfalch](https://github.com/chrfalch))
-- **Debugger**: Restore "Paused in debugger" overlay icon. ([f30c46efbd](https://github.com/facebook/react-native/commit/f30c46efbd964d367f678181589865a3faa931cd) by [@robhogan](https://github.com/robhogan))
-- **layout**: Layout direction changes are now honored on bundle reload. ([36f29beac4](https://github.com/facebook/react-native/commit/36f29beac47259768612bf56e5d9acfa4b94ab1a) by [@chrsmys](https://github.com/chrsmys))
-- **file reads**: Fix crash caused by `[RCTFileRequestHanlder invalidate]`. ([789ed7d5ad](https://github.com/facebook/react-native/commit/789ed7d5ad75ad4c20ecd1eb19d1fc18275fc500) by [@zhouzh1](https://github.com/zhouzh1))
-
 ## v0.77.2
 
 ### Added

README.md

@@ -17,13 +17,10 @@
     <img src="https://img.shields.io/npm/v/react-native?color=brightgreen&label=npm%20package" alt="Current npm package version." />
   </a>
   <a href="https://reactnative.dev/docs/contributing">
-    <img src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg" alt="PRs are welcome!" />
+    <img src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg" alt="PRs welcome!" />
   </a>
   <a href="https://twitter.com/intent/follow?screen_name=reactnative">
-    <img src="https://img.shields.io/twitter/follow/reactnative.svg?label=Follow%20@reactnative" alt="Follow @reactnative on X" />
-  </a>
-  <a href="https://bsky.app/profile/reactnative.dev">
-    <img src="https://img.shields.io/badge/Bluesky-0285FF?logo=bluesky&logoColor=fff" alt="Follow @reactnative.dev on Bluesky" />
+    <img src="https://img.shields.io/twitter/follow/reactnative.svg?label=Follow%20@reactnative" alt="Follow @reactnative" />
   </a>
 </p>
 

build.gradle.kts

@@ -13,7 +13,6 @@ plugins {
   alias(libs.plugins.kotlin.android) apply false
   alias(libs.plugins.binary.compatibility.validator) apply true
   alias(libs.plugins.android.test) apply false
-  alias(libs.plugins.ktfmt) apply true
 }
 
 val reactAndroidProperties = java.util.Properties()
@@ -26,12 +25,10 @@ fun getListReactAndroidProperty(name: String) = reactAndroidProperties.getProper
 
 apiValidation {
   ignoredPackages.addAll(
-      getListReactAndroidProperty("binaryCompatibilityValidator.ignoredPackages")
-  )
+      getListReactAndroidProperty("binaryCompatibilityValidator.ignoredPackages"))
   ignoredClasses.addAll(getListReactAndroidProperty("binaryCompatibilityValidator.ignoredClasses"))
   nonPublicMarkers.addAll(
-      getListReactAndroidProperty("binaryCompatibilityValidator.nonPublicMarkers")
-  )
+      getListReactAndroidProperty("binaryCompatibilityValidator.nonPublicMarkers"))
   validationDisabled =
       reactAndroidProperties
           .getProperty("binaryCompatibilityValidator.validationDisabled")
@@ -39,9 +36,8 @@ apiValidation {
 }
 
 version =
-    if (
-        project.hasProperty("isSnapshot") && (project.property("isSnapshot") as? String).toBoolean()
-    ) {
+    if (project.hasProperty("isSnapshot") &&
+        (project.property("isSnapshot") as? String).toBoolean()) {
       "${reactAndroidProperties.getProperty("VERSION_NAME")}-SNAPSHOT"
     } else {
       reactAndroidProperties.getProperty("VERSION_NAME")
@@ -69,10 +65,8 @@ tasks.register("clean", Delete::class.java) {
   description = "Remove all the build files and intermediate build outputs"
   dependsOn(gradle.includedBuild("gradle-plugin").task(":clean"))
   subprojects.forEach {
-    if (
-        it.project.plugins.hasPlugin("com.android.library") ||
-            it.project.plugins.hasPlugin("com.android.application")
-    ) {
+    if (it.project.plugins.hasPlugin("com.android.library") ||
+        it.project.plugins.hasPlugin("com.android.application")) {
       dependsOn(it.tasks.named("clean"))
     }
   }
@@ -82,13 +76,10 @@ tasks.register("clean", Delete::class.java) {
   delete(rootProject.file("./packages/react-native/sdks/download/"))
   delete(rootProject.file("./packages/react-native/sdks/hermes/"))
   delete(
-      rootProject.file("./packages/react-native/ReactAndroid/src/main/jni/prebuilt/lib/arm64-v8a/")
-  )
+      rootProject.file("./packages/react-native/ReactAndroid/src/main/jni/prebuilt/lib/arm64-v8a/"))
   delete(
       rootProject.file(
-          "./packages/react-native/ReactAndroid/src/main/jni/prebuilt/lib/armeabi-v7a/"
-      )
-  )
+          "./packages/react-native/ReactAndroid/src/main/jni/prebuilt/lib/armeabi-v7a/"))
   delete(rootProject.file("./packages/react-native/ReactAndroid/src/main/jni/prebuilt/lib/x86/"))
   delete(rootProject.file("./packages/react-native/ReactAndroid/src/main/jni/prebuilt/lib/x86_64/"))
   delete(rootProject.file("./packages/react-native-codegen/lib"))
@@ -104,6 +95,9 @@ tasks.register("build") {
 tasks.register("publishAllToMavenTempLocal") {
   description = "Publish all the artifacts to be available inside a Maven Local repository on /tmp."
   dependsOn(":packages:react-native:ReactAndroid:publishAllPublicationsToMavenTempLocalRepository")
+  // We don't publish the external-artifacts to Maven Local as ci is using it via workspace.
+  dependsOn(
+      ":packages:react-native:ReactAndroid:hermes-engine:publishAllPublicationsToMavenTempLocalRepository")
 }
 
 tasks.register("publishAndroidToSonatype") {
@@ -124,56 +118,15 @@ if (project.findProperty("react.internal.useHermesNightly")?.toString()?.toBoole
 
       That's fine for local development, but you should not commit this change.
       ********************************************************************************
-      """
-          .trimIndent()
-  )
+  """
+          .trimIndent())
   allprojects {
     configurations.all {
       resolutionStrategy.dependencySubstitution {
         substitute(project(":packages:react-native:ReactAndroid:hermes-engine"))
-            .using(module("com.facebook.hermes:hermes-android:0.+"))
+            .using(module("com.facebook.react:hermes-android:0.+"))
             .because("Users opted to use hermes from nightly")
       }
     }
   }
 }
-
-ktfmt {
-  blockIndent.set(2)
-  continuationIndent.set(4)
-  maxWidth.set(100)
-  removeUnusedImports.set(false)
-  manageTrailingCommas.set(false)
-}
-
-// Configure ktfmt tasks to include gradle-plugin
-listOf("ktfmtCheck", "ktfmtFormat").forEach { taskName ->
-  tasks.named(taskName) { dependsOn(gradle.includedBuild("gradle-plugin").task(":$taskName")) }
-}
-
-allprojects {
-  // Apply exclusions for specific files that should not be formatted
-  val excludePatterns =
-      listOf(
-          "**/build/**",
-          "**/hermes-engine/**",
-          "**/internal/featureflags/**",
-          "**/systeminfo/ReactNativeVersion.kt",
-      )
-  listOf(
-          com.ncorti.ktfmt.gradle.tasks.KtfmtCheckTask::class,
-          com.ncorti.ktfmt.gradle.tasks.KtfmtFormatTask::class,
-      )
-      .forEach { tasks.withType(it) { exclude(excludePatterns) } }
-
-  // Disable the problematic ktfmt script tasks due to symbolic link issues in subprojects
-  afterEvaluate {
-    listOf("ktfmtCheckScripts", "ktfmtFormatScripts").forEach {
-      tasks.findByName(it)?.enabled = false
-    }
-  }
-}
-
-// We intentionally disable the `ktfmtCheck` tasks as the formatting is primarly handled inside
-// fbsource
-allprojects { tasks.withType<com.ncorti.ktfmt.gradle.tasks.KtfmtCheckTask>() { enabled = false } }

flow-typed/environment/node.js

@@ -3057,30 +3057,30 @@ type util$InspectOptions = {
 };
 
 declare type util$ParseArgsOption =
-  | $ReadOnly<{|
+  | {|
       type: 'boolean',
       multiple?: false,
       short?: string,
       default?: boolean,
-    |}>
-  | $ReadOnly<{|
+    |}
+  | {|
       type: 'boolean',
       multiple: true,
       short?: string,
       default?: Array<boolean>,
-    |}>
-  | $ReadOnly<{|
+    |}
+  | {|
       type: 'string',
       multiple?: false,
       short?: string,
       default?: string,
-    |}>
-  | $ReadOnly<{|
+    |}
+  | {|
       type: 'string',
       multiple: true,
       short?: string,
       default?: Array<string>,
-    |}>;
+    |};
 
 type util$ParseArgsOptionToValue<TOption> = TOption['type'] extends 'boolean'
   ? TOption['multiple'] extends true
@@ -3137,7 +3137,7 @@ declare module 'util' {
   declare function stripVTControlCharacters(str: string): string;
 
   declare function parseArgs<
-    TOptions: {+[string]: util$ParseArgsOption} = {||},
+    TOptions: {[string]: util$ParseArgsOption} = {||},
   >(config: {|
     args?: Array<string>,
     options?: TOptions,
@@ -3995,16 +3995,13 @@ declare class Process extends events$EventEmitter {
   initgroups?: (user: number | string, extra_group: number | string) => void;
   kill(pid: number, signal?: string | number): void;
   mainModule: Object;
-  memoryUsage: {
-    (): {
-      arrayBuffers: number,
-      rss: number,
-      heapTotal: number,
-      heapUsed: number,
-      external: number,
-      ...
-    },
-    rss: () => number,
+  memoryUsage(): {
+    arrayBuffers: number,
+    rss: number,
+    heapTotal: number,
+    heapUsed: number,
+    external: number,
+    ...
   };
   nextTick: <T>(cb: (...T) => mixed, ...T) => void;
   pid: number;

flow-typed/npm/@expo/spawn-async_v1.x.x.js

@@ -1,46 +0,0 @@
-/**
- * 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
- */
-
-declare module '@expo/spawn-async' {
-  type SpawnOptions = {
-    cwd?: string,
-    env?: Object,
-    argv0?: string,
-    stdio?: string | Array<any>,
-    detached?: boolean,
-    uid?: number,
-    gid?: number,
-    shell?: boolean | string,
-    windowsVerbatimArguments?: boolean,
-    windowsHide?: boolean,
-    encoding?: string,
-    ignoreStdio?: boolean,
-  };
-
-  declare class SpawnPromise<T> extends Promise<T> {
-    child: child_process$ChildProcess;
-  }
-  type SpawnResult = {
-    pid?: number,
-    output: string[],
-    stdout: string,
-    stderr: string,
-    status: number | null,
-    signal: string | null,
-  };
-
-  declare function spawnAsync(
-    command: string,
-    args?: $ReadOnlyArray<string>,
-    options?: SpawnOptions,
-  ): SpawnPromise<SpawnResult>;
-
-  declare module.exports: typeof spawnAsync;
-}

flow-typed/npm/@octokit/rest_v22.x.x.js

@@ -1,61 +0,0 @@
-/**
- * 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
- */
-
-// Partial types for Octokit based on the usage in react-native-github
-declare module '@octokit/rest' {
-  declare class Octokit {
-    constructor(options?: {auth?: string, ...}): this;
-
-    repos: $ReadOnly<{
-      listReleaseAssets: (
-        params: $ReadOnly<{
-          owner: string,
-          repo: string,
-          release_id: string,
-        }>,
-      ) => Promise<{
-        data: Array<{
-          id: string,
-          name: string,
-          ...
-        }>,
-        ...
-      }>,
-      uploadReleaseAsset: (
-        params: $ReadOnly<{
-          owner: string,
-          repo: string,
-          release_id: string,
-          name: string,
-          data: Buffer,
-          headers: $ReadOnly<{
-            'content-type': string,
-            ...
-          }>,
-          ...
-        }>,
-      ) => Promise<{
-        data: {
-          browser_download_url: string,
-          ...
-        },
-        ...
-      }>,
-      deleteReleaseAsset: (params: {
-        owner: string,
-        repo: string,
-        asset_id: string,
-        ...
-      }) => Promise<mixed>,
-    }>;
-  }
-
-  declare export {Octokit};
-}

flow-typed/npm/fb-dotslash_v0.x.x.js

@@ -1,13 +0,0 @@
-/**
- * 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
- */
-
-declare module 'fb-dotslash' {
-  declare module.exports: string;
-}

flow-typed/npm/jsonc-parser_v2.2.x.js

@@ -1,421 +0,0 @@
-/**
- * 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
- */
-
-declare module 'jsonc-parser' {
-  /**
-   * Creates a JSON scanner on the given text.
-   * If ignoreTrivia is set, whitespaces or comments are ignored.
-   */
-  declare export const createScanner: (
-    text: string,
-    ignoreTrivia?: boolean,
-  ) => JSONScanner;
-  export type ScanError = number;
-  export type SyntaxKind = number;
-  /**
-   * The scanner object, representing a JSON scanner at a position in the input string.
-   */
-  export type JSONScanner = $ReadOnly<{
-    /**
-     * Sets the scan position to a new offset. A call to 'scan' is needed to get the first token.
-     */
-    setPosition(pos: number): void,
-    /**
-     * Read the next token. Returns the token code.
-     */
-    scan(): SyntaxKind,
-    /**
-     * Returns the zero-based current scan position, which is after the last read token.
-     */
-    getPosition(): number,
-    /**
-     * Returns the last read token.
-     */
-    getToken(): SyntaxKind,
-    /**
-     * Returns the last read token value. The value for strings is the decoded string content. For numbers it's of type number, for boolean it's true or false.
-     */
-    getTokenValue(): string,
-    /**
-     * The zero-based start offset of the last read token.
-     */
-    getTokenOffset(): number,
-    /**
-     * The length of the last read token.
-     */
-    getTokenLength(): number,
-    /**
-     * The zero-based start line number of the last read token.
-     */
-    getTokenStartLine(): number,
-    /**
-     * The zero-based start character (column) of the last read token.
-     */
-    getTokenStartCharacter(): number,
-    /**
-     * An error code of the last scan.
-     */
-    getTokenError(): ScanError,
-  }>;
-  /**
-   * For a given offset, evaluate the location in the JSON document. Each segment in the location path is either a property name or an array index.
-   */
-  declare export const getLocation: (
-    text: string,
-    position: number,
-  ) => Location;
-  /**
-   * Parses the given text and returns the object the JSON content represents. On invalid input, the parser tries to be as fault tolerant as possible, but still return a result.
-   * Therefore, always check the errors list to find out if the input was valid.
-   */
-  declare export const parse: (
-    text: string,
-    errors?: ParseError[],
-    options?: ParseOptions,
-  ) => any;
-  /**
-   * Parses the given text and returns a tree representation the JSON content. On invalid input, the parser tries to be as fault tolerant as possible, but still return a result.
-   */
-  declare export const parseTree: (
-    text: string,
-    errors?: ParseError[],
-    options?: ParseOptions,
-  ) => Node | void;
-  /**
-   * Finds the node at the given path in a JSON DOM.
-   */
-  declare export const findNodeAtLocation: (
-    root: Node,
-    path: JSONPath,
-  ) => Node | void;
-  /**
-   * Finds the innermost node at the given offset. If includeRightBound is set, also finds nodes that end at the given offset.
-   */
-  declare export const findNodeAtOffset: (
-    root: Node,
-    offset: number,
-    includeRightBound?: boolean,
-  ) => Node | void;
-  /**
-   * Gets the JSON path of the given JSON DOM node
-   */
-  declare export const getNodePath: (node: Node) => JSONPath;
-  /**
-   * Evaluates the JavaScript object of the given JSON DOM node
-   */
-  declare export const getNodeValue: (node: Node) => any;
-  /**
-   * Parses the given text and invokes the visitor functions for each object, array and literal reached.
-   */
-  declare export const visit: (
-    text: string,
-    visitor: JSONVisitor,
-    options?: ParseOptions,
-  ) => any;
-  /**
-   * Takes JSON with JavaScript-style comments and remove
-   * them. Optionally replaces every none-newline character
-   * of comments with a replaceCharacter
-   */
-  declare export const stripComments: (
-    text: string,
-    replaceCh?: string,
-  ) => string;
-  export type ParseError = {
-    error: ParseErrorCode,
-    offset: number,
-    length: number,
-  };
-  export type ParseErrorCode = number;
-  declare export function printParseErrorCode(
-    code: ParseErrorCode,
-  ):
-    | 'InvalidSymbol'
-    | 'InvalidNumberFormat'
-    | 'PropertyNameExpected'
-    | 'ValueExpected'
-    | 'ColonExpected'
-    | 'CommaExpected'
-    | 'CloseBraceExpected'
-    | 'CloseBracketExpected'
-    | 'EndOfFileExpected'
-    | 'InvalidCommentToken'
-    | 'UnexpectedEndOfComment'
-    | 'UnexpectedEndOfString'
-    | 'UnexpectedEndOfNumber'
-    | 'InvalidUnicode'
-    | 'InvalidEscapeCharacter'
-    | 'InvalidCharacter'
-    | '<unknown ParseErrorCode>';
-  export type NodeType =
-    | 'object'
-    | 'array'
-    | 'property'
-    | 'string'
-    | 'number'
-    | 'boolean'
-    | 'null';
-  export type Node = {
-    type: NodeType,
-    value?: any,
-    offset: number,
-    length: number,
-    colonOffset?: number,
-    parent?: Node,
-    children?: Node[],
-  };
-  /**
-   * A {@linkcode JSONPath} segment. Either a string representing an object property name
-   * or a number (starting at 0) for array indices.
-   */
-  export type Segment = string | number;
-  export type JSONPath = Segment[];
-  export type Location = {
-    /**
-     * The previous property key or literal value (string, number, boolean or null) or undefined.
-     */
-    previousNode?: Node,
-    /**
-     * The path describing the location in the JSON document. The path consists of a sequence of strings
-     * representing an object property or numbers for array indices.
-     */
-    path: JSONPath,
-    /**
-     * Matches the locations path against a pattern consisting of strings (for properties) and numbers (for array indices).
-     * '*' will match a single segment of any property name or index.
-     * '**' will match a sequence of segments of any property name or index, or no segment.
-     */
-    matches: (patterns: JSONPath) => boolean,
-    /**
-     * If set, the location's offset is at a property key.
-     */
-    isAtPropertyKey: boolean,
-  };
-  export type ParseOptions = {
-    disallowComments?: boolean,
-    allowTrailingComma?: boolean,
-    allowEmptyContent?: boolean,
-  };
-  /**
-   * Visitor called by {@linkcode visit} when parsing JSON.
-   *
-   * The visitor functions have the following common parameters:
-   * - `offset`: Global offset within the JSON document, starting at 0
-   * - `startLine`: Line number, starting at 0
-   * - `startCharacter`: Start character (column) within the current line, starting at 0
-   *
-   * Additionally some functions have a `pathSupplier` parameter which can be used to obtain the
-   * current `JSONPath` within the document.
-   */
-  export type JSONVisitor = {
-    /**
-     * Invoked when an open brace is encountered and an object is started. The offset and length represent the location of the open brace.
-     */
-    onObjectBegin?: (
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-      pathSupplier: () => JSONPath,
-    ) => void,
-    /**
-     * Invoked when a property is encountered. The offset and length represent the location of the property name.
-     * The `JSONPath` created by the `pathSupplier` refers to the enclosing JSON object, it does not include the
-     * property name yet.
-     */
-    onObjectProperty?: (
-      property: string,
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-      pathSupplier: () => JSONPath,
-    ) => void,
-    /**
-     * Invoked when a closing brace is encountered and an object is completed. The offset and length represent the location of the closing brace.
-     */
-    onObjectEnd?: (
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-    ) => void,
-    /**
-     * Invoked when an open bracket is encountered. The offset and length represent the location of the open bracket.
-     */
-    onArrayBegin?: (
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-      pathSupplier: () => JSONPath,
-    ) => void,
-    /**
-     * Invoked when a closing bracket is encountered. The offset and length represent the location of the closing bracket.
-     */
-    onArrayEnd?: (
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-    ) => void,
-    /**
-     * Invoked when a literal value is encountered. The offset and length represent the location of the literal value.
-     */
-    onLiteralValue?: (
-      value: any,
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-      pathSupplier: () => JSONPath,
-    ) => void,
-    /**
-     * Invoked when a comma or colon separator is encountered. The offset and length represent the location of the separator.
-     */
-    onSeparator?: (
-      character: string,
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-    ) => void,
-    /**
-     * When comments are allowed, invoked when a line or block comment is encountered. The offset and length represent the location of the comment.
-     */
-    onComment?: (
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-    ) => void,
-    /**
-     * Invoked on an error.
-     */
-    onError?: (
-      error: ParseErrorCode,
-      offset: number,
-      length: number,
-      startLine: number,
-      startCharacter: number,
-    ) => void,
-  };
-  /**
-   * An edit result describes a textual edit operation. It is the result of a {@linkcode format} and {@linkcode modify} operation.
-   * It consist of one or more edits describing insertions, replacements or removals of text segments.
-   * * The offsets of the edits refer to the original state of the document.
-   * * No two edits change or remove the same range of text in the original document.
-   * * Multiple edits can have the same offset if they are multiple inserts, or an insert followed by a remove or replace.
-   * * The order in the array defines which edit is applied first.
-   * To apply an edit result use {@linkcode applyEdits}.
-   * In general multiple EditResults must not be concatenated because they might impact each other, producing incorrect or malformed JSON data.
-   */
-  export type EditResult = Edit[];
-  /**
-   * Represents a text modification
-   */
-  export type Edit = {
-    /**
-     * The start offset of the modification.
-     */
-    offset: number,
-    /**
-     * The length of the modification. Must not be negative. Empty length represents an *insert*.
-     */
-    length: number,
-    /**
-     * The new content. Empty content represents a *remove*.
-     */
-    content: string,
-  };
-  /**
-   * A text range in the document
-   */
-  export type Range = {
-    /**
-     * The start offset of the range.
-     */
-    offset: number,
-    /**
-     * The length of the range. Must not be negative.
-     */
-    length: number,
-  };
-  /**
-   * Options used by {@linkcode format} when computing the formatting edit operations
-   */
-  export type FormattingOptions = $ReadOnly<{
-    /**
-     * If indentation is based on spaces (`insertSpaces` = true), the number of spaces that make an indent.
-     */
-    tabSize?: number,
-    /**
-     * Is indentation based on spaces?
-     */
-    insertSpaces?: boolean,
-    /**
-     * The default 'end of line' character. If not set, '\n' is used as default.
-     */
-    eol?: string,
-  }>;
-  /**
-   * Computes the edit operations needed to format a JSON document.
-   *
-   * @param documentText The input text
-   * @param range The range to format or `undefined` to format the full content
-   * @param options The formatting options
-   * @returns The edit operations describing the formatting changes to the original document following the format described in {@linkcode EditResult}.
-   * To apply the edit operations to the input, use {@linkcode applyEdits}.
-   */
-  declare export function format(
-    documentText: string,
-    range: Range | void,
-    options: FormattingOptions,
-  ): EditResult;
-  /**
-   * Options used by {@linkcode modify} when computing the modification edit operations
-   */
-  export type ModificationOptions = {
-    /**
-     * Formatting options.
-     */
-    formattingOptions: FormattingOptions,
-    /**
-     * Optional function to define the insertion index given an existing list of properties.
-     */
-    getInsertionIndex?: (properties: string[]) => number,
-  };
-  /**
-   * Computes the edit operations needed to modify a value in the JSON document.
-   *
-   * @param documentText The input text
-   * @param path The path of the value to change. The path represents either to the document root, a property or an array item.
-   * If the path points to an non-existing property or item, it will be created.
-   * @param value The new value for the specified property or item. If the value is undefined,
-   * the property or item will be removed.
-   * @param options Options
-   * @returns The edit operations describing the changes to the original document, following the format described in {@linkcode EditResult}.
-   * To apply the edit operations to the input, use {@linkcode applyEdits}.
-   */
-  declare export function modify(
-    text: string,
-    path: JSONPath,
-    value: any,
-    options: ModificationOptions,
-  ): EditResult;
-  /**
-   * Applies edits to an input string.
-   * @param text The input text
-   * @param edits Edit operations following the format described in {@linkcode EditResult}.
-   * @returns The text with the applied edits.
-   * @throws An error if the edit operations are not well-formed as described in {@linkcode EditResult}.
-   */
-  declare export function applyEdits(text: string, edits: EditResult): string;
-}

flow-typed/npm/tinybench_v3.1.x.js

@@ -91,19 +91,7 @@ declare module 'tinybench' {
     beforeEach?: (this: Task) => void | Promise<void>,
   };
 
-  // This is defined as an interface in tinybench but we define it as an object
-  // to catch problems like `overriddenDuration` being misspelled.
-  export type FnReturnedObject = {
-    overriddenDuration?: number,
-  };
-
-  // This type is defined as returning `unknown` instead of `void` in tinybench,
-  // but we type it this way to avoid mistakes (we can make breaking changes
-  // in our definition that they can't).
-  export type Fn = () =>
-    | Promise<void | FnReturnedObject>
-    | void
-    | FnReturnedObject;
+  export type Fn = () => Promise<mixed> | mixed;
 
   declare export class Bench extends EventTarget {
     concurrency: null | 'task' | 'bench';

flow-typed/npm/ws_v7.x.x.js

@@ -21,7 +21,7 @@ declare type ws$PerMessageDeflateOptions = {
   maxPayload?: number,
 };
 
-/* $FlowFixMe[incompatible-type] - Found with Flow v0.143.1 upgrade
+/* $FlowFixMe[incompatible-extend] - Found with Flow v0.143.1 upgrade
  * "on" definition failing with string is incompatible with string literal */
 declare class ws$WebSocketServer extends events$EventEmitter {
   /**
@@ -141,7 +141,7 @@ declare type ws$UnexpectedResponseListener = (
 ) => mixed;
 declare type ws$UpgradeListener = (response: http$IncomingMessage<>) => mixed;
 
-/* $FlowFixMe[incompatible-type] - Found with Flow v0.143.1 upgrade
+/* $FlowFixMe[incompatible-extend] - Found with Flow v0.143.1 upgrade
  * "on" definition failing with string is incompatible with string literal */
 declare class ws$WebSocket extends events$EventEmitter {
   static Server: typeof ws$WebSocketServer;

gradle.properties

@@ -4,13 +4,6 @@ org.gradle.caching=true
 
 android.useAndroidX=true
 
-# Those 2 properties are needed to make our project compatible with
-# AGP 9.0.0 for the time being. Ideally we should not opt-out of
-# builtInKotlin and newDsl once AGP 9.0.0 hits stable.
-# More on this: https://developer.android.com/build/releases/agp-preview#android-gradle-plugin-built-in-kotlin
-android.builtInKotlin=false
-android.newDsl=false
-
 # Use this property to specify which architecture you want to build.
 # You can also override it from the CLI using
 # ./gradlew <task> -PreactNativeArchitectures=x86_64
@@ -19,6 +12,3 @@ reactNativeArchitectures=armeabi-v7a,arm64-v8a,x86,x86_64
 # Controls whether to use Hermes from nightly builds. This will speed up builds
 # but should NOT be turned on for CI or release builds.
 react.internal.useHermesNightly=false
-
-# Controls whether to use Hermes 1.0. Clean and rebuild when changing.
-hermesV1Enabled=false

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015 the original authors.
+# Copyright © 2015-2021 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.

jest/preprocessor.js

@@ -86,7 +86,7 @@ module.exports = {
         globalPrefix: '',
         hermesParser: true,
         hot: false,
-        // $FlowFixMe[incompatible-type] TODO: Remove when `inlineRequires` has been removed from metro-babel-transformer in OSS
+        // $FlowFixMe[incompatible-call] TODO: Remove when `inlineRequires` has been removed from metro-babel-transformer in OSS
         inlineRequires: true,
         minify: false,
         platform: '',
@@ -111,7 +111,7 @@ module.exports = {
 
     return generate(
       ast,
-      // $FlowFixMe[incompatible-type] Error found when improving flow typing for libs
+      // $FlowFixMe[prop-missing] Error found when improving flow typing for libs
       {
         code: true,
         comments: false,

package.json

@@ -19,8 +19,6 @@
     "featureflags": "yarn --cwd packages/react-native featureflags",
     "js-api-diff": "node ./scripts/js-api/diff-api-snapshot",
     "lint-ci": "./.github/workflow-scripts/analyze_code.sh && yarn shellcheck",
-    "lint-kotlin-check": "./gradlew ktfmtCheck",
-    "lint-kotlin": "./gradlew ktfmtFormat",
     "lint-markdown": "markdownlint-cli2 2>&1",
     "lint": "eslint --max-warnings 0 .",
     "prettier": "prettier --write \"./**/*.{js,md,yml,ts,tsx}\"",
@@ -54,19 +52,16 @@
     "@babel/preset-env": "^7.25.3",
     "@babel/preset-flow": "^7.24.7",
     "@electron/packager": "^18.3.6",
-    "@expo/spawn-async": "^1.7.2",
     "@jest/create-cache-key-function": "^29.7.0",
     "@microsoft/api-extractor": "^7.52.2",
-    "@octokit/rest": "^22.0.0",
-    "@react-native/metro-babel-transformer": "0.83.0-main",
-    "@react-native/metro-config": "0.83.0-main",
+    "@react-native/metro-babel-transformer": "0.81.0-main",
+    "@react-native/metro-config": "0.81.0-main",
     "@tsconfig/node22": "22.0.2",
     "@types/react": "^19.1.0",
     "@typescript-eslint/parser": "^8.36.0",
-    "ansi-regex": "^5.0.0",
     "ansi-styles": "^4.2.1",
     "babel-plugin-minify-dead-code-elimination": "^0.5.2",
-    "babel-plugin-syntax-hermes-parser": "0.32.0",
+    "babel-plugin-syntax-hermes-parser": "0.29.1",
     "babel-plugin-transform-define": "^2.1.4",
     "babel-plugin-transform-flow-enums": "^0.0.2",
     "clang-format": "^1.8.0",
@@ -78,50 +73,47 @@
     "eslint-plugin-babel": "^5.3.1",
     "eslint-plugin-eslint-comments": "^3.2.0",
     "eslint-plugin-ft-flow": "^2.0.1",
-    "eslint-plugin-jest": "^29.0.1",
+    "eslint-plugin-jest": "^27.9.0",
     "eslint-plugin-jsx-a11y": "^6.6.0",
     "eslint-plugin-react": "^7.30.1",
     "eslint-plugin-react-native": "^4.0.0",
     "eslint-plugin-redundant-undefined": "^0.4.0",
     "eslint-plugin-relay": "^1.8.3",
-    "fb-dotslash": "0.5.8",
-    "flow-api-translator": "0.32.0",
-    "flow-bin": "^0.289.0",
+    "flow-api-translator": "0.29.1",
+    "flow-bin": "^0.275.0",
     "glob": "^7.1.1",
-    "hermes-eslint": "0.32.0",
-    "hermes-transform": "0.32.0",
+    "hermes-eslint": "0.29.1",
+    "hermes-transform": "0.29.1",
     "ini": "^5.0.0",
     "inquirer": "^7.1.0",
     "jest": "^29.7.0",
     "jest-config": "^29.7.0",
     "jest-diff": "^29.7.0",
-    "jest-junit": "^16.0.0",
+    "jest-junit": "^10.0.0",
     "jest-snapshot": "^29.7.0",
-    "jsonc-parser": "2.2.1",
     "markdownlint-cli2": "^0.17.2",
     "markdownlint-rule-relative-links": "^3.0.0",
-    "memfs": "^4.38.2",
-    "metro-babel-register": "^0.83.3",
-    "metro-transform-plugins": "^0.83.3",
+    "memfs": "^4.7.7",
+    "metro-babel-register": "^0.83.0",
+    "metro-transform-plugins": "^0.83.0",
     "micromatch": "^4.0.4",
     "node-fetch": "^2.2.0",
     "nullthrows": "^1.1.1",
-    "prettier": "3.6.2",
-    "prettier-plugin-hermes-parser": "0.32.0",
-    "react": "19.2.0",
-    "react-test-renderer": "19.2.0",
+    "prettier": "2.8.8",
+    "prettier-plugin-hermes-parser": "0.29.1",
+    "react": "19.1.0",
+    "react-test-renderer": "19.1.0",
     "rimraf": "^3.0.2",
     "shelljs": "^0.8.5",
-    "signedsource": "^2.0.0",
+    "signedsource": "^1.0.0",
     "supports-color": "^7.1.0",
     "temp-dir": "^2.0.0",
-    "tinybench": "^4.1.0",
+    "tinybench": "^3.1.0",
     "typescript": "5.8.3",
-    "ws": "^7.5.10"
+    "ws": "^6.2.3"
   },
   "resolutions": {
-    "react-is": "19.2.0",
-    "on-headers": "1.1.0",
-    "compression": "1.8.1"
+    "eslint-plugin-react-hooks": "6.1.0-canary-12bc60f5-20250613",
+    "react-is": "19.1.0"
   }
 }

packages/assets/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@react-native/assets-registry",
-  "version": "0.83.0-main",
+  "version": "0.81.0-main",
   "description": "Asset support code for React Native.",
   "license": "MIT",
   "repository": {
@@ -17,7 +17,7 @@
   ],
   "bugs": "https://github.com/facebook/react-native/issues",
   "engines": {
-    "node": ">= 20.19.4"
+    "node": ">= 22.14.0"
   },
   "files": [
     "path-support.js",

packages/babel-plugin-codegen/__test_fixtures__/failures.js

@@ -81,147 +81,10 @@ export {Commands};
 export default (codegenNativeComponent<ModuleProps>('Module'): NativeType);
 `;
 
-const COMMANDS_WITH_COVERAGE_INVALID = `
-// @flow
-
-const codegenNativeComponent = require('codegenNativeComponent');
-import type {NativeComponentType} from 'codegenNativeComponent';
-
-import type {ViewProps} from 'ViewPropTypes';
-
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps,
-|}>;
-
-type NativeType = NativeComponentType<ModuleProps>;
-
-// Coverage instrumentation of invalid Commands export - should still fail
-export const Commands = (cov_1234567890().s[0]++, {
-  hotspotUpdate: () => {},
-  scrollTo: () => {},
-});
-
-export default (codegenNativeComponent<ModuleProps>('Module'): NativeType);
-`;
-
-const COMMANDS_WITH_COVERAGE_WRONG_FUNCTION = `
-// @flow
-
-const codegenNativeComponent = require('codegenNativeComponent');
-import type {NativeComponentType} from 'codegenNativeComponent';
-
-import type {ViewProps} from 'ViewPropTypes';
-
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps,
-|}>;
-
-type NativeType = NativeComponentType<ModuleProps>;
-
-// Coverage instrumentation of wrong function call - should fail
-export const Commands = (cov_abcdef123().s[0]++, someOtherFunction({
-  supportedCommands: ['pause', 'play'],
-}));
-
-export default (codegenNativeComponent<ModuleProps>('Module'): NativeType);
-`;
-
-const COMMANDS_WITH_COMPLEX_COVERAGE_INVALID = `
-// @flow
-
-const codegenNativeComponent = require('codegenNativeComponent');
-import type {NativeComponentType} from 'codegenNativeComponent';
-
-import type {ViewProps} from 'ViewPropTypes';
-
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps,
-|}>;
-
-type NativeType = NativeComponentType<ModuleProps>;
-
-// Complex coverage instrumentation with invalid nested structure - should fail
-export const Commands = (
-  cov_xyz789().f[1]++,
-  cov_xyz789().s[2]++,
-  {
-    pause: (ref) => {},
-    play: (ref) => {},
-  }
-);
-
-export default (codegenNativeComponent<ModuleProps>('Module'): NativeType);
-`;
-
-const COMMANDS_WITH_COVERAGE_WRONG_NAME = `
-// @flow
-
-const codegenNativeCommands = require('codegenNativeCommands');
-const codegenNativeComponent = require('codegenNativeComponent');
-import type {NativeComponentType} from 'codegenNativeComponent';
-
-import type {ViewProps} from 'ViewPropTypes';
-
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps,
-|}>;
-
-type NativeType = NativeComponentType<ModuleProps>;
-
-interface NativeCommands {
-  +pause: (viewRef: React.ElementRef<NativeType>) => void;
-  +play: (viewRef: React.ElementRef<NativeType>) => void;
-}
-
-// Coverage instrumentation with correct function but wrong export name - should fail
-export const WrongName = (cov_wrong123().s[0]++, codegenNativeCommands<NativeCommands>({
-  supportedCommands: ['pause', 'play'],
-}));
-
-export default (codegenNativeComponent<ModuleProps>('Module'): NativeType);
-`;
-
-const COMMANDS_WITH_COVERAGE_TYPE_CAST_INVALID = `
-// @flow
-
-const codegenNativeComponent = require('codegenNativeComponent');
-import type {NativeComponentType} from 'codegenNativeComponent';
-
-import type {ViewProps} from 'ViewPropTypes';
-
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps,
-|}>;
-
-type NativeType = NativeComponentType<ModuleProps>;
-
-interface NativeCommands {
-  +pause: (viewRef: React.ElementRef<NativeType>) => void;
-  +play: (viewRef: React.ElementRef<NativeType>) => void;
-}
-
-// Coverage instrumentation with type cast but wrong function - should fail
-export const Commands: NativeCommands = (cov_cast123().s[0]++, invalidFunction({
-  supportedCommands: ['pause', 'play'],
-}));
-
-export default (codegenNativeComponent<ModuleProps>('Module'): NativeType);
-`;
-
 module.exports = {
   'CommandsExportedWithDifferentNameNativeComponent.js':
     COMMANDS_EXPORTED_WITH_DIFFERENT_NAME,
   'CommandsExportedWithShorthandNativeComponent.js':
     COMMANDS_EXPORTED_WITH_SHORTHAND,
   'OtherCommandsExportNativeComponent.js': OTHER_COMMANDS_EXPORT,
-  'CommandsWithCoverageInvalidNativeComponent.js':
-    COMMANDS_WITH_COVERAGE_INVALID,
-  'CommandsWithCoverageWrongFunctionNativeComponent.js':
-    COMMANDS_WITH_COVERAGE_WRONG_FUNCTION,
-  'CommandsWithComplexCoverageInvalidNativeComponent.js':
-    COMMANDS_WITH_COMPLEX_COVERAGE_INVALID,
-  'CommandsWithCoverageWrongNameNativeComponent.js':
-    COMMANDS_WITH_COVERAGE_WRONG_NAME,
-  'CommandsWithCoverageTypeCastInvalidNativeComponent.js':
-    COMMANDS_WITH_COVERAGE_TYPE_CAST_INVALID,
 };

packages/babel-plugin-codegen/__test_fixtures__/fixtures.js

@@ -59,92 +59,6 @@ export default codegenNativeComponent<ModuleProps>('Module', {
 });
 `;
 
-// Coverage instrumentation test cases - should be recognized as valid
-const COMMANDS_WITH_SIMPLE_COVERAGE = `
-// @flow
-
-const codegenNativeCommands = require('codegenNativeCommands');
-const codegenNativeComponent = require('codegenNativeComponent');
-
-import type {ViewProps} from 'ViewPropTypes';
-import type {NativeComponentType} from 'codegenNativeComponent';
-
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps,
-|}>;
-
-type NativeType = NativeComponentType<ModuleProps>;
-
-interface NativeCommands {
-  +pause: (viewRef: React.ElementRef<NativeType>) => void;
-  +play: (viewRef: React.ElementRef<NativeType>) => void;
-}
-
-export const Commands = (cov_1234567890.s[0]++, codegenNativeCommands<NativeCommands>({
-  supportedCommands: ['pause', 'play'],
-}));
-
-export default codegenNativeComponent<ModuleProps>('Module');
-`;
-
-const COMMANDS_WITH_COMPLEX_COVERAGE = `
-// @flow
-
-const codegenNativeCommands = require('codegenNativeCommands');
-const codegenNativeComponent = require('codegenNativeComponent');
-
-import type {ViewProps} from 'ViewPropTypes';
-import type {NativeComponentType} from 'codegenNativeComponent';
-
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps,
-|}>;
-
-type NativeType = NativeComponentType<ModuleProps>;
-
-interface NativeCommands {
-  +seek: (viewRef: React.ElementRef<NativeType>, position: number) => void;
-  +stop: (viewRef: React.ElementRef<NativeType>) => void;
-}
-
-export const Commands = (
-  cov_abcdef123().f[2]++,
-  cov_abcdef123().s[5]++,
-  codegenNativeCommands<NativeCommands>({
-    supportedCommands: ['seek', 'stop'],
-  })
-);
-
-export default codegenNativeComponent<ModuleProps>('Module');
-`;
-
-const COMMANDS_WITH_TYPE_CAST_COVERAGE = `
-// @flow
-
-const codegenNativeCommands = require('codegenNativeCommands');
-const codegenNativeComponent = require('codegenNativeComponent');
-
-import type {ViewProps} from 'ViewPropTypes';
-import type {NativeComponentType} from 'codegenNativeComponent';
-
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps,
-|}>;
-
-type NativeType = NativeComponentType<ModuleProps>;
-
-interface NativeCommands {
-  +mute: (viewRef: React.ElementRef<NativeType>) => void;
-  +unmute: (viewRef: React.ElementRef<NativeType>) => void;
-}
-
-export const Commands: NativeCommands = (cov_xyz789().s[1]++, codegenNativeCommands<NativeCommands>({
-  supportedCommands: ['mute', 'unmute'],
-}));
-
-export default codegenNativeComponent<ModuleProps>('Module');
-`;
-
 const FULL_NATIVE_COMPONENT_WITH_TYPE_EXPORT = `
 // @flow
 
@@ -193,9 +107,4 @@ module.exports = {
   'NotANativeComponent.js': NOT_A_NATIVE_COMPONENT,
   'FullNativeComponent.js': FULL_NATIVE_COMPONENT,
   'FullTypedNativeComponent.js': FULL_NATIVE_COMPONENT_WITH_TYPE_EXPORT,
-  'CommandsWithSimpleCoverageNativeComponent.js': COMMANDS_WITH_SIMPLE_COVERAGE,
-  'CommandsWithComplexCoverageNativeComponent.js':
-    COMMANDS_WITH_COMPLEX_COVERAGE,
-  'CommandsWithTypeCastCoverageNativeComponent.js':
-    COMMANDS_WITH_TYPE_CAST_COVERAGE,
 };

packages/babel-plugin-codegen/__tests__/__snapshots__/index-test.js.snap

@@ -1,77 +1,5 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`Babel plugin inline view configs can inline config for CommandsWithComplexCoverageNativeComponent.js 1`] = `
-"// @flow
-
-const codegenNativeCommands = require('codegenNativeCommands');
-const codegenNativeComponent = require('codegenNativeComponent');
-import type { ViewProps } from 'ViewPropTypes';
-import type { NativeComponentType } from 'codegenNativeComponent';
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps
-|}>;
-type NativeType = NativeComponentType<ModuleProps>;
-interface NativeCommands {
-  +seek: (viewRef: React.ElementRef<NativeType>, position: number) => void,
-  +stop: (viewRef: React.ElementRef<NativeType>) => void,
-}
-const NativeComponentRegistry = require('react-native/Libraries/NativeComponent/NativeComponentRegistry');
-let nativeComponentName = 'Module';
-export const __INTERNAL_VIEW_CONFIG = {
-  uiViewClassName: \\"Module\\",
-  validAttributes: {}
-};
-export default NativeComponentRegistry.get(nativeComponentName, () => __INTERNAL_VIEW_CONFIG);"
-`;
-
-exports[`Babel plugin inline view configs can inline config for CommandsWithSimpleCoverageNativeComponent.js 1`] = `
-"// @flow
-
-const codegenNativeCommands = require('codegenNativeCommands');
-const codegenNativeComponent = require('codegenNativeComponent');
-import type { ViewProps } from 'ViewPropTypes';
-import type { NativeComponentType } from 'codegenNativeComponent';
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps
-|}>;
-type NativeType = NativeComponentType<ModuleProps>;
-interface NativeCommands {
-  +pause: (viewRef: React.ElementRef<NativeType>) => void,
-  +play: (viewRef: React.ElementRef<NativeType>) => void,
-}
-const NativeComponentRegistry = require('react-native/Libraries/NativeComponent/NativeComponentRegistry');
-let nativeComponentName = 'Module';
-export const __INTERNAL_VIEW_CONFIG = {
-  uiViewClassName: \\"Module\\",
-  validAttributes: {}
-};
-export default NativeComponentRegistry.get(nativeComponentName, () => __INTERNAL_VIEW_CONFIG);"
-`;
-
-exports[`Babel plugin inline view configs can inline config for CommandsWithTypeCastCoverageNativeComponent.js 1`] = `
-"// @flow
-
-const codegenNativeCommands = require('codegenNativeCommands');
-const codegenNativeComponent = require('codegenNativeComponent');
-import type { ViewProps } from 'ViewPropTypes';
-import type { NativeComponentType } from 'codegenNativeComponent';
-type ModuleProps = $ReadOnly<{|
-  ...ViewProps
-|}>;
-type NativeType = NativeComponentType<ModuleProps>;
-interface NativeCommands {
-  +mute: (viewRef: React.ElementRef<NativeType>) => void,
-  +unmute: (viewRef: React.ElementRef<NativeType>) => void,
-}
-const NativeComponentRegistry = require('react-native/Libraries/NativeComponent/NativeComponentRegistry');
-let nativeComponentName = 'Module';
-export const __INTERNAL_VIEW_CONFIG = {
-  uiViewClassName: \\"Module\\",
-  validAttributes: {}
-};
-export default NativeComponentRegistry.get(nativeComponentName, () => __INTERNAL_VIEW_CONFIG);"
-`;
-
 exports[`Babel plugin inline view configs can inline config for FullNativeComponent.js 1`] = `
 "// @flow
 
@@ -225,61 +153,6 @@ exports[`Babel plugin inline view configs fails on inline config for CommandsExp
   24 |"
 `;
 
-exports[`Babel plugin inline view configs fails on inline config for CommandsWithComplexCoverageInvalidNativeComponent.js 1`] = `
-"/CommandsWithComplexCoverageInvalidNativeComponent.js: 'Commands' is a reserved export and may only be used to export the result of codegenNativeCommands.
-  14 |
-  15 | // Complex coverage instrumentation with invalid nested structure - should fail
-> 16 | export const Commands = (
-     | ^
-  17 |   cov_xyz789().f[1]++,
-  18 |   cov_xyz789().s[2]++,
-  19 |   {"
-`;
-
-exports[`Babel plugin inline view configs fails on inline config for CommandsWithCoverageInvalidNativeComponent.js 1`] = `
-"/CommandsWithCoverageInvalidNativeComponent.js: 'Commands' is a reserved export and may only be used to export the result of codegenNativeCommands.
-  14 |
-  15 | // Coverage instrumentation of invalid Commands export - should still fail
-> 16 | export const Commands = (cov_1234567890().s[0]++, {
-     | ^
-  17 |   hotspotUpdate: () => {},
-  18 |   scrollTo: () => {},
-  19 | });"
-`;
-
-exports[`Babel plugin inline view configs fails on inline config for CommandsWithCoverageTypeCastInvalidNativeComponent.js 1`] = `
-"/CommandsWithCoverageTypeCastInvalidNativeComponent.js: 'Commands' is a reserved export and may only be used to export the result of codegenNativeCommands.
-  19 |
-  20 | // Coverage instrumentation with type cast but wrong function - should fail
-> 21 | export const Commands: NativeCommands = (cov_cast123().s[0]++, invalidFunction({
-     | ^
-  22 |   supportedCommands: ['pause', 'play'],
-  23 | }));
-  24 |"
-`;
-
-exports[`Babel plugin inline view configs fails on inline config for CommandsWithCoverageWrongFunctionNativeComponent.js 1`] = `
-"/CommandsWithCoverageWrongFunctionNativeComponent.js: 'Commands' is a reserved export and may only be used to export the result of codegenNativeCommands.
-  14 |
-  15 | // Coverage instrumentation of wrong function call - should fail
-> 16 | export const Commands = (cov_abcdef123().s[0]++, someOtherFunction({
-     | ^
-  17 |   supportedCommands: ['pause', 'play'],
-  18 | }));
-  19 |"
-`;
-
-exports[`Babel plugin inline view configs fails on inline config for CommandsWithCoverageWrongNameNativeComponent.js 1`] = `
-"/CommandsWithCoverageWrongNameNativeComponent.js: Native commands must be exported with the name 'Commands'
-  20 |
-  21 | // Coverage instrumentation with correct function but wrong export name - should fail
-> 22 | export const WrongName = (cov_wrong123().s[0]++, codegenNativeCommands<NativeCommands>({
-     | ^
-  23 |   supportedCommands: ['pause', 'play'],
-  24 | }));
-  25 |"
-`;
-
 exports[`Babel plugin inline view configs fails on inline config for OtherCommandsExportNativeComponent.js 1`] = `
 "/OtherCommandsExportNativeComponent.js: 'Commands' is a reserved export and may only be used to export the result of codegenNativeCommands.
   17 | }

packages/babel-plugin-codegen/index.js

@@ -24,12 +24,12 @@ try {
 } catch (e) {
   // Fallback to lib when source doesn't exit (e.g. when installed as a dev dependency)
   FlowParser =
-    // $FlowFixMe[cannot-resolve-module]
+    // $FlowIgnore[cannot-resolve-module]
     require('@react-native/codegen/lib/parsers/flow/parser').FlowParser;
   TypeScriptParser =
-    // $FlowFixMe[cannot-resolve-module]
+    // $FlowIgnore[cannot-resolve-module]
     require('@react-native/codegen/lib/parsers/typescript/parser').TypeScriptParser;
-  // $FlowFixMe[cannot-resolve-module]
+  // $FlowIgnore[cannot-resolve-module]
   RNCodegen = require('@react-native/codegen/lib/generators/RNCodegen');
 }
 
@@ -102,58 +102,6 @@ function isCodegenDeclaration(declaration) {
   return false;
 }
 
-function isCodegenNativeCommandsDeclaration(declaration) {
-  if (!declaration) {
-    return false;
-  }
-
-  // Handle direct calls: codegenNativeCommands()
-  if (
-    declaration.type === 'CallExpression' &&
-    declaration.callee &&
-    declaration.callee.type === 'Identifier' &&
-    declaration.callee.name === 'codegenNativeCommands'
-  ) {
-    return true;
-  }
-
-  // Handle coverage instrumentation: (cov_xxx().s[0]++, codegenNativeCommands())
-  if (declaration.type === 'SequenceExpression' && declaration.expressions) {
-    // Get the last expression in the sequence (the actual function call)
-    const lastExpression =
-      declaration.expressions[declaration.expressions.length - 1];
-    // Recursively check if the last expression is a valid codegenNativeCommands call
-    return isCodegenNativeCommandsDeclaration(lastExpression);
-  }
-
-  // Handle Flow type casts: (codegenNativeCommands(): NativeCommands)
-  if (
-    (declaration.type === 'TypeCastExpression' ||
-      declaration.type === 'AsExpression') &&
-    declaration.expression &&
-    declaration.expression.type === 'CallExpression' &&
-    declaration.expression.callee &&
-    declaration.expression.callee.type === 'Identifier' &&
-    declaration.expression.callee.name === 'codegenNativeCommands'
-  ) {
-    return true;
-  }
-
-  // Handle TypeScript assertions: codegenNativeCommands() as NativeCommands
-  if (
-    declaration.type === 'TSAsExpression' &&
-    declaration.expression &&
-    declaration.expression.type === 'CallExpression' &&
-    declaration.expression.callee &&
-    declaration.expression.callee.type === 'Identifier' &&
-    declaration.expression.callee.name === 'codegenNativeCommands'
-  ) {
-    return true;
-  }
-
-  return false;
-}
-
 module.exports = function ({parse, types: t}) {
   return {
     pre(state) {
@@ -177,12 +125,12 @@ module.exports = function ({parse, types: t}) {
           const firstDeclaration = path.node.declaration.declarations[0];
 
           if (firstDeclaration.type === 'VariableDeclarator') {
-            // Check if this is a valid codegenNativeCommands call, handling type annotations
-            const isValidCommandsExport = isCodegenNativeCommandsDeclaration(
-              firstDeclaration.init,
-            );
-
-            if (isValidCommandsExport) {
+            if (
+              firstDeclaration.init &&
+              firstDeclaration.init.type === 'CallExpression' &&
+              firstDeclaration.init.callee.type === 'Identifier' &&
+              firstDeclaration.init.callee.name === 'codegenNativeCommands'
+            ) {
               if (
                 firstDeclaration.id.type === 'Identifier' &&
                 firstDeclaration.id.name !== 'Commands'

packages/babel-plugin-codegen/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@react-native/babel-plugin-codegen",
-  "version": "0.83.0-main",
+  "version": "0.81.0-main",
   "description": "Babel plugin to generate native module and view manager code for React Native.",
   "license": "MIT",
   "repository": {
@@ -19,14 +19,14 @@
   ],
   "bugs": "https://github.com/facebook/react-native/issues",
   "engines": {
-    "node": ">= 20.19.4"
+    "node": ">= 22.14.0"
   },
   "files": [
     "index.js"
   ],
   "dependencies": {
     "@babel/traverse": "^7.25.3",
-    "@react-native/codegen": "0.83.0-main"
+    "@react-native/codegen": "0.81.0-main"
   },
   "devDependencies": {
     "@babel/core": "^7.25.2"

packages/community-cli-plugin/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@react-native/community-cli-plugin",
-  "version": "0.83.0-main",
+  "version": "0.81.0-main",
   "description": "Core CLI commands for React Native",
   "keywords": [
     "react-native",
@@ -22,16 +22,16 @@
     "dist"
   ],
   "dependencies": {
-    "@react-native/dev-middleware": "0.83.0-main",
+    "@react-native/dev-middleware": "0.81.0-main",
     "debug": "^4.4.0",
     "invariant": "^2.2.4",
-    "metro": "^0.83.3",
-    "metro-config": "^0.83.3",
-    "metro-core": "^0.83.3",
+    "metro": "^0.83.0",
+    "metro-config": "^0.83.0",
+    "metro-core": "^0.83.0",
     "semver": "^7.1.3"
   },
   "devDependencies": {
-    "metro-resolver": "^0.83.3"
+    "metro-resolver": "^0.83.0"
   },
   "peerDependencies": {
     "@react-native-community/cli": "*",
@@ -40,12 +40,9 @@
   "peerDependenciesMeta": {
     "@react-native-community/cli": {
       "optional": true
-    },
-    "@react-native/metro-config": {
-      "optional": true
     }
   },
   "engines": {
-    "node": ">= 20.19.4"
+    "node": ">= 22.14.0"
   }
 }

packages/community-cli-plugin/src/commands/bundle/saveAssets.js

@@ -116,7 +116,7 @@ function copyAll(filesToCopy: CopiedFiles) {
         const src = queue.shift();
         // $FlowFixMe[incompatible-type]
         const dest = filesToCopy[src];
-        // $FlowFixMe[incompatible-type]
+        // $FlowFixMe[incompatible-call]
         copy(src, dest, copyNext);
       }
     };

packages/community-cli-plugin/src/commands/start/middleware.js

@@ -31,9 +31,9 @@ type MiddlewareReturn = {
   ...
 };
 
-// $FlowFixMe[incompatible-type]
+// $FlowFixMe
 const unusedStubWSServer: ws$WebSocketServer = {};
-// $FlowFixMe[incompatible-type]
+// $FlowFixMe
 const unusedMiddlewareStub: Server = {};
 
 const communityMiddlewareFallback = {
@@ -80,7 +80,7 @@ try {
     '@react-native-community/cli-server-api',
     {paths: [communityCliPath]},
   );
-  // $FlowFixMe[unsupported-syntax] dynamic import
+  // $FlowIgnore[unsupported-syntax] dynamic import
   communityMiddlewareFallback.createDevServerMiddleware = require(
     communityCliServerApiPath,
   ).createDevServerMiddleware as CreateDevServerMiddleware;

packages/community-cli-plugin/src/commands/start/runServer.js

@@ -92,14 +92,14 @@ async function runServer(
   console.info(`Starting dev server on ${devServerUrl}\n`);
 
   if (args.assetPlugins) {
-    // $FlowFixMe[cannot-write] Assigning to readonly property
+    // $FlowIgnore[cannot-write] Assigning to readonly property
     metroConfig.transformer.assetPlugins = args.assetPlugins.map(plugin =>
       require.resolve(plugin),
     );
   }
   // TODO(T214991636): Remove legacy Metro log forwarding
   if (!args.clientLogs) {
-    // $FlowFixMe[cannot-write] Assigning to readonly property
+    // $FlowIgnore[cannot-write] Assigning to readonly property
     metroConfig.server.forwardClientLogs = false;
   }
 
@@ -119,6 +119,7 @@ async function runServer(
     watchFolders,
   });
   const {middleware, websocketEndpoints} = createDevMiddleware({
+    projectRoot,
     serverBaseUrl: devServerUrl,
     logger: createDevMiddlewareLogger(terminalReporter),
   });
@@ -126,8 +127,6 @@ async function runServer(
   const reporter: Reporter = {
     update(event: TerminalReportableEvent) {
       terminalReporter.update(event);
-      /* $FlowFixMe[constant-condition] Error discovered during Constant
-       * Condition roll out. See https://fburl.com/workplace/1v97vimq. */
       if (reportEvent) {
         reportEvent(event);
       }
@@ -145,7 +144,7 @@ async function runServer(
       }
     },
   };
-  // $FlowFixMe[cannot-write] Assigning to readonly property
+  // $FlowIgnore[cannot-write] Assigning to readonly property
   metroConfig.reporter = reporter;
 
   await Metro.runServer(metroConfig, {
@@ -174,7 +173,7 @@ function getReporterImpl(
   try {
     // First we let require resolve it, so we can require packages in node_modules
     // as expected. eg: require('my-package/reporter');
-    // $FlowFixMe[unsupported-syntax]
+    // $FlowIgnore[unsupported-syntax]
     return require(customLogReporterPath);
   } catch (e) {
     if (e.code !== 'MODULE_NOT_FOUND') {
@@ -182,7 +181,7 @@ function getReporterImpl(
     }
     // If that doesn't work, then we next try relative to the cwd, eg:
     // require('./reporter');
-    // $FlowFixMe[unsupported-syntax]
+    // $FlowIgnore[unsupported-syntax]
     return require(path.resolve(customLogReporterPath));
   }
 }

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

@@ -88,6 +88,7 @@ Diff: ${styleText(['dim', 'underline'], newVersion?.diffUrl ?? 'none')}
   }
 }
 
+// $FlowFixMe
 function isDiffPurgeEntry(data: Partial<DiffPurge>): data is DiffPurge {
   return (
     // $FlowFixMe[incompatible-type-guard]
@@ -152,7 +153,7 @@ function buildDiffUrl(oldVersion: string, newVersion: string) {
  * Returns the most recent React Native version available to upgrade to.
  */
 async function getLatestRnDiffPurgeVersion(): Promise<LatestVersions | void> {
-  const options: RequestOptions = {
+  const options = {
     // https://developer.github.com/v3/#user-agent-required
     headers: {'User-Agent': '@react-native/community-cli-plugin'} as Headers,
   };

packages/core-cli-utils/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@react-native/core-cli-utils",
-  "version": "0.83.0-main",
+  "version": "0.81.0-main",
   "description": "React Native CLI library for Frameworks to build on",
   "license": "MIT",
   "main": "./src/index.flow.js",
@@ -21,7 +21,7 @@
   ],
   "bugs": "https://github.com/facebook/react-native/issues",
   "engines": {
-    "node": ">= 20.19.4"
+    "node": ">= 22.14.0"
   },
   "files": [
     "dist"

packages/core-cli-utils/src/private/app.js

@@ -71,7 +71,7 @@ const FIRST = 1,
   FOURTH = 4;
 
 function getNodePackagePath(packageName: string): string {
-  // $FlowFixMe[prop-missing] type definition is incomplete
+  // $FlowIgnore[prop-missing] type definition is incomplete
   return require.resolve(packageName, {cwd: [process.cwd(), ...module.paths]});
 }
 

packages/core-cli-utils/src/private/apple.js

@@ -75,7 +75,7 @@ const FIRST = 1,
   FIFTH = 5;
 
 function getNodePackagePath(packageName: string): string {
-  // $FlowFixMe[prop-missing] type definition is incomplete
+  // $FlowIgnore[prop-missing] type definition is incomplete
   return require.resolve(packageName, {cwd: [process.cwd(), ...module.paths]});
 }
 

packages/debugger-frontend/BUILD_INFO

@@ -1,5 +1,5 @@
-@generated SignedSource<<4bb67766e15e25a481c4c38873260a7a>>
-Git revision: 7aa57d13e50ce9d74a91c9315c9b0ded00fbc19f
+@generated SignedSource<<e2d97b04634bf3b566f33d455f38658f>>
+Git revision: 8dc0d5b365e6b4600b78e5a7381aa861d8c1c81e
 Built with --nohooks: false
 Is local checkout: false
 Remote URL: https://github.com/facebook/react-native-devtools-frontend

packages/debugger-frontend/dist/third-party/front_end/core/rn_experiments/rn_experiments.js

@@ -1 +1 @@
-import*as e from"../root/root.js";const t=e.Runtime.RNExperimentName,i={didInitializeExperiments:!1,isReactNativeEntryPoint:!1};class n{name;title;unstable;docLink;feedbackLink;enabledByDefault;constructor(e){this.name=e.name,this.title=e.title,this.unstable=e.unstable,this.docLink=e.docLink,this.feedbackLink=e.feedbackLink,this.enabledByDefault=function(e,t){if(null==e)return()=>t;if("boolean"==typeof e)return()=>e;return e}(e.enabledByDefault,!1)}}const r=new class{#e=new Map;#t=new Set;register(e){if(i.didInitializeExperiments)throw new Error("Experiments must be registered before constructing MainImpl");const{name:t}=e;if(this.#e.has(t))throw new Error(`React Native Experiment ${t} is already registered`);this.#e.set(t,new n(e))}enableExperimentsByDefault(e){if(i.didInitializeExperiments)throw new Error("Experiments must be configured before constructing MainImpl");for(const i of e)if(Object.prototype.hasOwnProperty.call(t,i)){const e=this.#e.get(i);if(!e)throw new Error(`React Native Experiment ${i} is not registered`);e.enabledByDefault=()=>!0}else this.#t.add(i)}copyInto(e,t=""){for(const[n,r]of this.#e)e.register(n,t+r.title,r.unstable,r.docLink,r.feedbackLink),r.enabledByDefault({isReactNativeEntryPoint:i.isReactNativeEntryPoint})&&e.enableExperimentsByDefault([n]);for(const t of this.#t)e.enableExperimentsByDefault([t]);i.didInitializeExperiments=!0}};r.register({name:t.JS_HEAP_PROFILER_ENABLE,title:"Enable Heap Profiler (Memory Panel)",unstable:!1,enabledByDefault:({isReactNativeEntryPoint:e})=>!e}),r.register({name:t.REACT_NATIVE_SPECIFIC_UI,title:"Show React Native-specific UI",unstable:!1,enabledByDefault:({isReactNativeEntryPoint:e})=>e}),r.register({name:t.ENABLE_NETWORK_PANEL,title:"Enable Network panel",unstable:!0,enabledByDefault:()=>!1});var a=Object.freeze({__proto__:null,Instance:r,RNExperimentName:t,setIsReactNativeEntryPoint:function(e){if(i.didInitializeExperiments)throw new Error("setIsReactNativeEntryPoint must be called before constructing MainImpl");i.isReactNativeEntryPoint=e}});export{a as RNExperimentsImpl};
+import*as e from"../root/root.js";const t=e.Runtime.RNExperimentName,n={didInitializeExperiments:!1,isReactNativeEntryPoint:!1};class i{name;title;unstable;docLink;feedbackLink;enabledByDefault;constructor(e){this.name=e.name,this.title=e.title,this.unstable=e.unstable,this.docLink=e.docLink,this.feedbackLink=e.feedbackLink,this.enabledByDefault=function(e,t){if(null==e)return()=>t;if("boolean"==typeof e)return()=>e;return e}(e.enabledByDefault,!1)}}const r=new class{#e=new Map;#t=new Set;register(e){if(n.didInitializeExperiments)throw new Error("Experiments must be registered before constructing MainImpl");const{name:t}=e;if(this.#e.has(t))throw new Error(`React Native Experiment ${t} is already registered`);this.#e.set(t,new i(e))}enableExperimentsByDefault(e){if(n.didInitializeExperiments)throw new Error("Experiments must be configured before constructing MainImpl");for(const n of e)if(Object.prototype.hasOwnProperty.call(t,n)){const e=this.#e.get(n);if(!e)throw new Error(`React Native Experiment ${n} is not registered`);e.enabledByDefault=()=>!0}else this.#t.add(n)}copyInto(e,t=""){for(const[i,r]of this.#e)e.register(i,t+r.title,r.unstable,r.docLink,r.feedbackLink),r.enabledByDefault({isReactNativeEntryPoint:n.isReactNativeEntryPoint})&&e.enableExperimentsByDefault([i]);for(const t of this.#t)e.enableExperimentsByDefault([t]);n.didInitializeExperiments=!0}};r.register({name:t.JS_HEAP_PROFILER_ENABLE,title:"Enable Heap Profiler (Memory Panel)",unstable:!1,enabledByDefault:({isReactNativeEntryPoint:e})=>!e}),r.register({name:t.REACT_NATIVE_SPECIFIC_UI,title:"Show React Native-specific UI",unstable:!1,enabledByDefault:({isReactNativeEntryPoint:e})=>e}),r.register({name:t.ENABLE_PERFORMANCE_PANEL,title:"Enable Performance panel",unstable:!0,enabledByDefault:({isReactNativeEntryPoint:e})=>!e}),r.register({name:t.ENABLE_NETWORK_PANEL,title:"Enable Network panel",unstable:!0,enabledByDefault:()=>!1});var a=Object.freeze({__proto__:null,Instance:r,RNExperimentName:t,setIsReactNativeEntryPoint:function(e){if(n.didInitializeExperiments)throw new Error("setIsReactNativeEntryPoint must be called before constructing MainImpl");n.isReactNativeEntryPoint=e}});export{a as RNExperimentsImpl};

packages/debugger-frontend/dist/third-party/front_end/core/root/root.js

@@ -1 +1 @@
-import*as e from"../platform/platform.js";const t=new URLSearchParams(location.search);let n,r,s="";function a(){return window.location.pathname}function i(e){return["node_app","js_app"].some((t=>e.includes(t)))}class o{constructor(){}static instance(e={forceNew:null}){const{forceNew:t}=e;return n&&!t||(n=new o),n}static removeInstance(){n=void 0}static queryParam(e){return t.get(e)}static setQueryParamForTesting(e,n){t.set(e,n)}static isNode(){return void 0===r&&(r=i(a())),r}static setPlatform(e){s=e}static platform(){return s}static isDescriptorEnabled(e){const{experiment:t}=e;if("*"===t)return!0;if(t&&t.startsWith("!")&&h.isEnabled(t.substring(1)))return!1;if(t&&!t.startsWith("!")&&!h.isEnabled(t))return!1;const{condition:n}=e;return!n||n(_)}loadLegacyModule(e){console.log("Loading legacy module: "+e);return import(`../../${e}`).then((t=>(console.log("Loaded legacy module: "+e),t)))}}class l{#e=[];#t=new Set;#n=new Set;#r=new Set;#s=new Set;#a=new c;allConfigurableExperiments(){const e=[];for(const t of this.#e)this.#n.has(t.name)||e.push(t);return e}register(t,n,r,s,a){if(this.#t.has(t))throw new Error(`Duplicate registration of experiment '${t}'`);this.#t.add(t),this.#e.push(new m(this,t,n,Boolean(r),s??e.DevToolsPath.EmptyUrlString,a??e.DevToolsPath.EmptyUrlString))}isEnabled(e){return this.checkExperiment(e),!1!==this.#a.get(e)&&(!(!this.#n.has(e)&&!this.#r.has(e))||(!!this.#s.has(e)||Boolean(this.#a.get(e))))}setEnabled(e,t){this.checkExperiment(e),this.#a.set(e,t)}enableExperimentsTransiently(e){for(const t of e)this.checkExperiment(t),this.#n.add(t)}enableExperimentsByDefault(e){for(const t of e)this.checkExperiment(t),this.#r.add(t)}setServerEnabledExperiments(e){for(const t of e)this.checkExperiment(t),this.#s.add(t)}enableForTest(e){this.checkExperiment(e),this.#n.add(e)}disableForTest(e){this.checkExperiment(e),this.#n.delete(e)}clearForTest(){this.#e=[],this.#t.clear(),this.#n.clear(),this.#r.clear(),this.#s.clear()}cleanUpStaleExperiments(){this.#a.cleanUpStaleExperiments(this.#t)}checkExperiment(e){if(!this.#t.has(e))throw new Error(`Unknown experiment '${e}'`)}}class c{#e={};constructor(){try{const e=self.localStorage?.getItem("experiments");e&&(this.#e=JSON.parse(e))}catch{console.error("Failed to parse localStorage['experiments']")}}get(e){return this.#e[e]}set(e,t){this.#e[e]=t,this.#i()}cleanUpStaleExperiments(e){for(const[t]of Object.entries(this.#e))e.has(t)||delete this.#e[t];this.#i()}#i(){self.localStorage?.setItem("experiments",JSON.stringify(this.#e))}}class m{name;title;unstable;docLink;feedbackLink;#e;constructor(e,t,n,r,s,a){this.name=t,this.title=n,this.unstable=r,this.docLink=s,this.feedbackLink=a,this.#e=e}isEnabled(){return this.#e.isEnabled(this.name)}setEnabled(e){this.#e.setEnabled(this.name,e)}}const h=new l;var E,p,d,u;!function(e){e.REACT_NATIVE_SPECIFIC_UI="react-native-specific-ui",e.JS_HEAP_PROFILER_ENABLE="js-heap-profiler-enable",e.ENABLE_NETWORK_PANEL="enable-network-panel"}(E||(E={})),function(e){e.NOT_SOURCES_HIDE_ADD_FOLDER="!sources.hide_add_folder",e.REACT_NATIVE_UNSTABLE_NETWORK_PANEL="unstable_enableNetworkPanel"}(p||(p={})),function(e){e[e.ALLOW=0]="ALLOW",e[e.ALLOW_WITHOUT_LOGGING=1]="ALLOW_WITHOUT_LOGGING",e[e.DISABLE=2]="DISABLE"}(d||(d={})),function(e){e.ALL_SCRIPTS="ALL_SCRIPTS",e.SIDE_EFFECT_FREE_SCRIPTS_ONLY="SIDE_EFFECT_FREE_SCRIPTS_ONLY",e.NO_SCRIPTS="NO_SCRIPTS"}(u||(u={}));const _=Object.create(null),f={canDock:()=>Boolean(o.queryParam("can_dock")),notSourcesHideAddFolder:()=>Boolean(o.queryParam(p.NOT_SOURCES_HIDE_ADD_FOLDER)),reactNativeUnstableNetworkPanel:()=>Boolean(o.queryParam(p.REACT_NATIVE_UNSTABLE_NETWORK_PANEL))||h.isEnabled("enable-network-panel")};var x=Object.freeze({__proto__:null,get ConditionName(){return p},Experiment:m,ExperimentsSupport:l,get GenAiEnterprisePolicyValue(){return d},get HostConfigFreestylerExecutionMode(){return u},get RNExperimentName(){return E},Runtime:o,conditions:f,experiments:h,getChromeVersion:()=>{const e=navigator.userAgent.match(/(?:^|\W)(?:Chrome|HeadlessChrome)\/(\S+)/);return e&&e.length>1?e[1]:""},getPathName:a,getRemoteBase:function(e=self.location.toString()){const t=new URL(e).searchParams.get("remoteBase");if(!t)return null;const n=/\/serve_file\/(@[0-9a-zA-Z]+)\/?$/.exec(t);return n?{base:`devtools://devtools/remote/serve_file/${n[1]}/`,version:n[1]}:null},hostConfig:_,isNodeEntry:i});export{x as Runtime};
+import*as e from"../platform/platform.js";const t=new URLSearchParams(location.search);let n,r,s="";function a(){return window.location.pathname}function i(e){return["node_app","js_app"].some((t=>e.includes(t)))}class o{constructor(){}static instance(e={forceNew:null}){const{forceNew:t}=e;return n&&!t||(n=new o),n}static removeInstance(){n=void 0}static queryParam(e){return t.get(e)}static setQueryParamForTesting(e,n){t.set(e,n)}static isNode(){return void 0===r&&(r=i(a())),r}static setPlatform(e){s=e}static platform(){return s}static isDescriptorEnabled(e){const{experiment:t}=e;if("*"===t)return!0;if(t&&t.startsWith("!")&&h.isEnabled(t.substring(1)))return!1;if(t&&!t.startsWith("!")&&!h.isEnabled(t))return!1;const{condition:n}=e;return!n||n(_)}loadLegacyModule(e){console.log("Loading legacy module: "+e);return import(`../../${e}`).then((t=>(console.log("Loaded legacy module: "+e),t)))}}class l{#e=[];#t=new Set;#n=new Set;#r=new Set;#s=new Set;#a=new c;allConfigurableExperiments(){const e=[];for(const t of this.#e)this.#n.has(t.name)||e.push(t);return e}register(t,n,r,s,a){if(this.#t.has(t))throw new Error(`Duplicate registration of experiment '${t}'`);this.#t.add(t),this.#e.push(new m(this,t,n,Boolean(r),s??e.DevToolsPath.EmptyUrlString,a??e.DevToolsPath.EmptyUrlString))}isEnabled(e){return this.checkExperiment(e),!1!==this.#a.get(e)&&(!(!this.#n.has(e)&&!this.#r.has(e))||(!!this.#s.has(e)||Boolean(this.#a.get(e))))}setEnabled(e,t){this.checkExperiment(e),this.#a.set(e,t)}enableExperimentsTransiently(e){for(const t of e)this.checkExperiment(t),this.#n.add(t)}enableExperimentsByDefault(e){for(const t of e)this.checkExperiment(t),this.#r.add(t)}setServerEnabledExperiments(e){for(const t of e)this.checkExperiment(t),this.#s.add(t)}enableForTest(e){this.checkExperiment(e),this.#n.add(e)}disableForTest(e){this.checkExperiment(e),this.#n.delete(e)}clearForTest(){this.#e=[],this.#t.clear(),this.#n.clear(),this.#r.clear(),this.#s.clear()}cleanUpStaleExperiments(){this.#a.cleanUpStaleExperiments(this.#t)}checkExperiment(e){if(!this.#t.has(e))throw new Error(`Unknown experiment '${e}'`)}}class c{#e={};constructor(){try{const e=self.localStorage?.getItem("experiments");e&&(this.#e=JSON.parse(e))}catch{console.error("Failed to parse localStorage['experiments']")}}get(e){return this.#e[e]}set(e,t){this.#e[e]=t,this.#i()}cleanUpStaleExperiments(e){for(const[t]of Object.entries(this.#e))e.has(t)||delete this.#e[t];this.#i()}#i(){self.localStorage?.setItem("experiments",JSON.stringify(this.#e))}}class m{name;title;unstable;docLink;feedbackLink;#e;constructor(e,t,n,r,s,a){this.name=t,this.title=n,this.unstable=r,this.docLink=s,this.feedbackLink=a,this.#e=e}isEnabled(){return this.#e.isEnabled(this.name)}setEnabled(e){this.#e.setEnabled(this.name,e)}}const h=new l;var E,p,d,u;!function(e){e.REACT_NATIVE_SPECIFIC_UI="react-native-specific-ui",e.JS_HEAP_PROFILER_ENABLE="js-heap-profiler-enable",e.ENABLE_PERFORMANCE_PANEL="enable-performance-panel",e.ENABLE_NETWORK_PANEL="enable-network-panel"}(E||(E={})),function(e){e.NOT_SOURCES_HIDE_ADD_FOLDER="!sources.hide_add_folder",e.REACT_NATIVE_UNSTABLE_NETWORK_PANEL="unstable_enableNetworkPanel"}(p||(p={})),function(e){e[e.ALLOW=0]="ALLOW",e[e.ALLOW_WITHOUT_LOGGING=1]="ALLOW_WITHOUT_LOGGING",e[e.DISABLE=2]="DISABLE"}(d||(d={})),function(e){e.ALL_SCRIPTS="ALL_SCRIPTS",e.SIDE_EFFECT_FREE_SCRIPTS_ONLY="SIDE_EFFECT_FREE_SCRIPTS_ONLY",e.NO_SCRIPTS="NO_SCRIPTS"}(u||(u={}));const _=Object.create(null),f={canDock:()=>Boolean(o.queryParam("can_dock")),notSourcesHideAddFolder:()=>Boolean(o.queryParam(p.NOT_SOURCES_HIDE_ADD_FOLDER)),reactNativeUnstableNetworkPanel:()=>Boolean(o.queryParam(p.REACT_NATIVE_UNSTABLE_NETWORK_PANEL))||h.isEnabled("enable-network-panel")};var x=Object.freeze({__proto__:null,get ConditionName(){return p},Experiment:m,ExperimentsSupport:l,get GenAiEnterprisePolicyValue(){return d},get HostConfigFreestylerExecutionMode(){return u},get RNExperimentName(){return E},Runtime:o,conditions:f,experiments:h,getChromeVersion:()=>{const e=navigator.userAgent.match(/(?:^|\W)(?:Chrome|HeadlessChrome)\/(\S+)/);return e&&e.length>1?e[1]:""},getPathName:a,getRemoteBase:function(e=self.location.toString()){const t=new URL(e).searchParams.get("remoteBase");if(!t)return null;const n=/\/serve_file\/(@[0-9a-zA-Z]+)\/?$/.exec(t);return n?{base:`devtools://devtools/remote/serve_file/${n[1]}/`,version:n[1]}:null},hostConfig:_,isNodeEntry:i});export{x as Runtime};

packages/debugger-frontend/dist/third-party/front_end/panels/protocol_monitor/protocol_monitor.js

@@ -238,7 +238,7 @@ import"../../ui/components/icon_button/icon_button.js";import"../../ui/component
                         <td>${e.method}</td>
                         <td>${e.params?d`<code>${JSON.stringify(e.params)}</code>`:""}</td>
                         <td>
-                          ${e.result?d`<code>${JSON.stringify(e.result)}</code>`:e.error?d`<code>${JSON.stringify(e.error)}</code>`:"id"in e?"(pending)":""}
+                          ${e.result?d`<code>${JSON.stringify(e.result)}</code>`:e.error?d`<code>${JSON.stringify(e.error)}</code>`:"(pending)"}
                         </td>
                         <td data-value=${e.elapsedTime||0}>
                           ${"id"in e?e.elapsedTime?U(A.sMs,{PH1:String(e.elapsedTime)}):"(pending)":""}