Mark mOnViewAttachMountItems as final in SurfaceMountingManager.java (#54344)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/54344

Changelog: [Internal]

Reviewed By: mdvacca

Differential Revision: D85904478

fbshipit-source-id: 961d12bf1cbf04b9087a518531b20d87be3ccb63

.eslintrc.js

@@ -35,6 +35,9 @@ 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

@@ -98,4 +98,4 @@ untyped-import
 untyped-type-import
 
 [version]
-^0.287.0
+^0.289.0

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

@@ -1,103 +0,0 @@
-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/lib/hermesvm.framework" ]]; then
-          echo "Successfully built hermesvm.framework for $SLICE in $FLAVOR"
-        else
-          echo "Failed to built hermesvm.framework for $SLICE in $FLAVOR"
-          exit 1
-        fi
-
-        if [[ -d "$FINAL_PATH/lib/hermesvm.framework.dSYM" ]]; then
-          echo "Successfully built hermesvm.framework.dSYM for $SLICE in $FLAVOR"
-        else
-          echo "Failed to built hermesvm.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

@@ -1,227 +0,0 @@
-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: 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: Setup node.js
-      uses: ./.github/actions/setup-node
-    - 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 "$WORKING_DIR/xrsimulator"
-
-        cd ./packages/react-native/sdks/hermes || exit 1
-
-        DSYM_FILE_PATH=lib/hermesvm.framework.dSYM
-        cp -r build_macosx/$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 "$WORKING_DIR" -czvf "hermesvm.framework.dSYM" .
-
-        mkdir -p "$DEST_DIR"
-        mv "hermesvm.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

@@ -1,39 +0,0 @@
-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

@@ -1,53 +0,0 @@
-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

@@ -1,86 +0,0 @@
-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: 'C:\tmp\hermes'
-    - name: Set up workspace
-      shell: powershell
-      run: |
-        mkdir -p C:\tmp\hermes\osx-bin
-        mkdir -p .\packages\react-native\sdks\hermes
-        cp -r -Force C:\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: |
-          C:\tmp\hermes\win64-bin\
-          C:\tmp\hermes\hermes\icu\
-          C:\tmp\hermes\hermes\deps\
-          C:\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: C:\tmp\hermes\win64-bin\

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

@@ -4,9 +4,6 @@ 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
@@ -20,87 +17,6 @@ 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/hermesvm.framework.dSYM  ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-framework-dSYM-debug.tar.gz
-        cp ${{ inputs.hermes-ws-dir }}/dSYM/Release/hermesvm.framework.dSYM  ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-framework-dSYM-release.tar.gz
     - name: Download ReactNativeDependencies
       uses: actions/download-artifact@v4
       with:

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

@@ -1,99 +0,0 @@
-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: ${{ steps.react-native-version.outputs.VERSION }}
-runs:
-  using: composite
-  steps:
-    - name: Setup hermes version
-      shell: bash
-      id: hermes-version
-      run: |
-        mkdir -p "/tmp/hermes" "/tmp/hermes/download" "/tmp/hermes/hermes"
-
-        if [ -f "${{ 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: Setup node.js
-      uses: ./.github/actions/setup-node
-    - 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

@@ -1,16 +0,0 @@
-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/setup-xcode/action.yml

@@ -5,6 +5,10 @@ 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:
@@ -12,3 +16,21 @@ 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

@@ -10,36 +10,27 @@ 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
       uses: ./.github/actions/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: 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:
@@ -66,20 +57,6 @@ 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

@@ -10,18 +10,9 @@ 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
@@ -32,60 +23,25 @@ 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 $TARBALL_PATH
-          echo 'print(HermesInternal?.getRuntimeProperties?.()["OSS Release Version"])' > test.js
-          chmod +x ./destroot/bin/hermes
-          ./destroot/bin/hermes test.js
-          rm test.js
-          rm -rf destroot
-        else
-          echo 'No Hermes tarball found.'
-        fi
     - name: Download ReactNativeDependencies
       uses: actions/download-artifact@v4
       with:
@@ -105,7 +61,6 @@ runs:
     - name: Install CocoaPods dependencies
       shell: bash
       run: |
-        export HERMES_ENGINE_TARBALL_PATH=$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"
 
@@ -116,7 +71,7 @@ runs:
         cd packages/rn-tester
 
         bundle install
-        bundle exec pod install
+        bundle exec pod update hermes-engine --no-repo-update
     - name: Build RNTester
       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', async () => {
+    it('computes body for release when no hermes versions are passed', async () => {
       const version = '0.77.1';
       const changelog = `## v${version}
 ### Breaking Changes
@@ -134,20 +134,83 @@ 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(version, changelog);
+      const body = _computeBody(changelog, version);
 
       expect(body).toEqual(`${changelog}
 
 ---
 
 Hermes dSYMS:
-- [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)
+- [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)
 
 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).

.github/workflow-scripts/createDraftRelease.js

@@ -40,19 +40,29 @@ function _extractChangelog(version) {
   return changelog.slice(changelogStarts, changelogEnds).join('\n').trim();
 }
 
-function _computeBody(version, changelog) {
+function _computeBody(changelog, version, hermesVersion, hermesV1Version) {
+  hermesVersion = hermesVersion ?? version;
+  hermesV1Version = hermesV1Version ?? version;
   return `${changelog}
 
 ---
 
 Hermes dSYMS:
-- [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)
+- [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).
@@ -113,7 +123,13 @@ function moveToChangelogBranch(version) {
   run(`git checkout -b changelog/v${version}`);
 }
 
-async function createDraftRelease(version, latest, token) {
+async function createDraftRelease(
+  version,
+  latest,
+  token,
+  hermesVersion,
+  hermesV1Version,
+) {
   if (version.startsWith('v')) {
     version = version.substring(1);
   }
@@ -121,7 +137,7 @@ async function createDraftRelease(version, latest, token) {
   _verifyTagExists(version);
   moveToChangelogBranch(version);
   const changelog = _extractChangelog(version);
-  const body = _computeBody(version, changelog);
+  const body = _computeBody(changelog, version, hermesVersion, hermesV1Version);
   const release = await _createDraftReleaseOnGitHub(
     version,
     body,

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

@@ -162,7 +162,7 @@ async function main() {
   console.info(`WORKING_DIRECTORY: ${WORKING_DIRECTORY}`);
   console.info('==============================\n');
 
-  const simulatorName = 'iPhone 15 Pro';
+  const simulatorName = 'iPhone 16 Pro';
   launchSimulator(simulatorName);
   installAppOnSimulator(APP_PATH);
   const udid = extractSimulatorUDID();

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

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

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

@@ -2,6 +2,15 @@ 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:
@@ -27,7 +36,7 @@ jobs:
             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}}')).id;
+            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

.github/workflows/nightly.yml

@@ -21,86 +21,6 @@ jobs:
           echo "Setting release type to nightly"
           echo "RELEASE_TYPE=nightly" >> $GITHUB_OUTPUT
 
-  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:
-      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
@@ -108,42 +28,10 @@ jobs:
 
   prebuild_react_native_core:
     uses: ./.github/workflows/prebuild-ios-core.yml
+    with:
+      use-hermes-nightly: true
     secrets: inherit
-    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: 'C:\tmp\hermes'
-      HERMES_TARBALL_ARTIFACTS_DIR: 'C:\tmp\hermes\hermes-runtime-darwin'
-      HERMES_OSXBIN_ARTIFACTS_DIR: 'C:\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 }}
+    needs: [prebuild_apple_dependencies]
 
   build_android:
     runs-on: 8-core-ubuntu
@@ -172,10 +60,6 @@ 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,
@@ -188,7 +72,6 @@ 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 }}
@@ -200,7 +83,6 @@ 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

@@ -2,11 +2,16 @@ 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-14
+    runs-on: macos-15
     strategy:
       fail-fast: false
       matrix:
@@ -32,39 +37,20 @@ jobs:
         if: steps.restore-ios-slice.outputs.cache-hit != 'true'
         uses: ./.github/actions/setup-xcode
         with:
-          xcode-version: '16.2.0'
+          platform: ${{ matrix.slice }}
       - name: Yarn Install
         if: steps.restore-ios-slice.outputs.cache-hit != 'true'
         uses: ./.github/actions/yarn-install
-      - name: Download Hermes
-        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
-        uses: actions/download-artifact@v4
-        with:
-          name: hermes-darwin-bin-${{ matrix.flavor }}
-          path: /tmp/hermes/hermes-runtime-darwin
-      - name: Extract Hermes
-        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+      - name: Set Hermes version
         shell: bash
         run: |
-          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
+          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)
           fi
-
-          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
+          echo "Using Hermes version: $HERMES_VERSION"
+          echo "HERMES_VERSION=$HERMES_VERSION" >> $GITHUB_ENV
       - name: Download ReactNativeDependencies
         uses: actions/download-artifact@v4
         with:
@@ -123,7 +109,7 @@ jobs:
             packages/react-native/.build/headers
 
   compose-xcframework:
-    runs-on: macos-14
+    runs-on: macos-15
     needs: [build-rn-slice]
     strategy:
       fail-fast: false

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

@@ -7,7 +7,7 @@ on:
 jobs:
   prepare_workspace:
     name: Prepare workspace
-    runs-on: macos-14
+    runs-on: macos-15
     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: v2-ios-dependencies-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v3-ios-dependencies-${{ 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: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode
         with:
-          key: v2-ios-dependencies-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v3-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-14
+    runs-on: macos-15
     needs: [prepare_workspace]
     strategy:
       fail-fast: false
@@ -65,16 +65,17 @@ 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: v2-ios-dependencies-slice-folder-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v3-ios-dependencies-slice-folder-${{ 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 }}
       - name: Yarn Install
         if: steps.restore-slice-folder.outputs.cache-hit != 'true'
         uses: ./.github/actions/yarn-install
@@ -85,15 +86,8 @@ 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 }}
@@ -107,14 +101,14 @@ jobs:
         uses: actions/cache/save@v4
         if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode
         with:
-          key: v2-ios-dependencies-slice-folder-${{ matrix.slice }}-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v3-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-14
+    runs-on: macos-15
     needs: [build-apple-slices]
     strategy:
       fail-fast: false
@@ -138,7 +132,7 @@ jobs:
         with:
           path: |
             packages/react-native/third-party/
-          key: v2-ios-dependencies-xcframework-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v3-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'
@@ -200,4 +194,4 @@ 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: v2-ios-dependencies-xcframework-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}
+          key: v3-ios-dependencies-xcframework-${{ matrix.flavor }}-${{ hashfiles('scripts/releases/ios-prebuild/configuration.js') }}

.github/workflows/publish-release.yml

@@ -19,84 +19,27 @@ jobs:
           echo "Setting release type to release"
           echo "RELEASE_TYPE=release" >> $GITHUB_OUTPUT
 
-  prepare_hermes_workspace:
+  set_hermes_versions:
     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:
-      react-native-version: ${{ steps.prepare-hermes-workspace.outputs.react-native-version }}
-      hermes-version: ${{ steps.prepare-hermes-workspace.outputs.hermes-version }}
+      HERMES_VERSION: ${{ steps.set_hermes_versions.outputs.HERMES_VERSION }}
+      HERMES_V1_VERSION: ${{ steps.set_hermes_versions.outputs.HERMES_V1_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: ${{ env.HERMES_VERSION_FILE }}
+      - id: set_hermes_versions
+        run: |
+          echo "Setting hermes versions to latest"
+          hermes_version=$(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)
 
-  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: ${{ matrix.flavor }}
+          echo "HERMES_VERSION=$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 }}"
 
   prebuild_apple_dependencies:
     if: github.repository == 'facebook/react-native'
@@ -106,51 +49,13 @@ jobs:
   prebuild_react_native_core:
     uses: ./.github/workflows/prebuild-ios-core.yml
     secrets: inherit
-    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: 'C:\tmp\hermes'
-      HERMES_TARBALL_ARTIFACTS_DIR: 'C:\tmp\hermes\hermes-runtime-darwin'
-      HERMES_OSXBIN_ARTIFACTS_DIR: 'C:\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 }}
+    needs: [prebuild_apple_dependencies]
 
   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,
       ]
@@ -162,7 +67,6 @@ 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 }}
@@ -178,7 +82,6 @@ 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 }}
@@ -236,6 +139,9 @@ jobs:
     secrets: inherit
 
   create_draft_release:
-    needs: generate_changelog
+    needs: [generate_changelog, set_hermes_versions]
     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/test-all.yml

@@ -33,86 +33,6 @@ jobs:
 
           echo "Should I run E2E tests? ${{ inputs.run-e2e-tests }}"
 
-  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:
-      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
@@ -120,16 +40,15 @@ jobs:
 
   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, build_hermes_macos]
+    needs: [prebuild_apple_dependencies]
 
   test_ios_rntester_ruby_3_2_0:
-    runs-on: macos-14
+    runs-on: macos-15
     needs:
-      [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
+      [prebuild_apple_dependencies, prebuild_react_native_core]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -137,17 +56,12 @@ 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-14-large
+    runs-on: macos-15-large
     needs:
-      [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
+      [prebuild_apple_dependencies, prebuild_react_native_core]
     continue-on-error: true
     strategy:
       fail-fast: false
@@ -161,17 +75,12 @@ 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-14-large
+    runs-on: macos-15-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:
@@ -190,6 +99,8 @@ 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:
@@ -199,11 +110,8 @@ jobs:
           flavor: ${{ matrix.flavor }}
 
   test_e2e_ios_templateapp:
-    runs-on: macos-14-large
+    runs-on: macos-15-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:
@@ -213,6 +121,8 @@ 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
@@ -221,11 +131,6 @@ 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-${{matrix.flavor}}
-          path: /tmp/react-native-tmp
       - name: Download React Native Package
         uses: actions/download-artifact@v4
         with:
@@ -259,9 +164,6 @@ jobs:
           REACT_NATIVE_PKG=$(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 }}
@@ -278,7 +180,7 @@ jobs:
           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"
-          HERMES_ENGINE_TARBALL_PATH=$HERMES_PATH RCT_NEW_ARCH_ENABLED=$NEW_ARCH_ENABLED bundle exec pod install
+          RCT_NEW_ARCH_ENABLED=$NEW_ARCH_ENABLED bundle exec pod install
 
           xcodebuild \
             -scheme "RNTestProject" \
@@ -364,21 +266,6 @@ jobs:
           flavor: ${{ matrix.flavor }}
           working-directory: /tmp/RNTestProject
 
-  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 }}
-
   run_fantom_tests:
     runs-on: 8-core-ubuntu
     needs: [set_release_type]
@@ -398,25 +285,6 @@ jobs:
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
 
-  build_hermesc_windows:
-    runs-on: windows-2025
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: 'C:\tmp\hermes'
-      HERMES_TARBALL_ARTIFACTS_DIR: 'C:\tmp\hermes\hermes-runtime-darwin'
-      HERMES_OSXBIN_ARTIFACTS_DIR: 'C:\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
     needs: [set_release_type]
@@ -471,10 +339,6 @@ 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,
@@ -484,15 +348,12 @@ 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 }}
 
@@ -535,6 +396,12 @@ 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)"
@@ -555,11 +422,10 @@ jobs:
           compression-level: 0
 
   test_ios_helloworld_with_ruby_3_2_0:
-    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
+    runs-on: macos-15
+    needs: [prebuild_apple_dependencies, prebuild_react_native_core]
     env:
       PROJECT_NAME: iOSTemplateProject
-      HERMES_WS_DIR: /tmp/hermes
       YARN_ENABLE_IMMUTABLE_INSTALLS: false
     steps:
       - name: Checkout
@@ -568,12 +434,10 @@ 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-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
+    runs-on: macos-15
+    needs: [prebuild_apple_dependencies, prebuild_react_native_core]
     strategy:
       matrix:
         flavor: [Debug, Release]
@@ -584,7 +448,6 @@ jobs:
             use_frameworks: StaticLibraries
     env:
       PROJECT_NAME: iOSTemplateProject
-      HERMES_WS_DIR: /tmp/hermes
       YARN_ENABLE_IMMUTABLE_INSTALLS: false
     steps:
       - name: Checkout
@@ -593,8 +456,6 @@ 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

CHANGELOG-0.7x.md

@@ -1,5 +1,14 @@
 # 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

CHANGELOG.md

@@ -1,110 +1,18 @@
 # Changelog
 
-## v0.82.0-rc.5
-
-### Breaking
-
-- **InteractionManager:** InteractionManager has been deprecated and no longer respects interaction handles. Instead, it is now recommended to avoid executing long-running JavaScript tasks by breaking them up into smaller tasks and scheduling them using `requestIdleCallback()`. ([03d9f34a82](https://github.com/facebook/react-native/commit/03d9f34a8252456d389d9f9a3bd04b99a2828c16) by [@yungsters](https://github.com/yungsters))
-
-### Added
-
-#### iOS specific
-
-- **New Architecture:** Crash the app if they force the legacy architecture. ([dc132a4fd4](https://github.com/facebook/react-native/commit/dc132a4fd4ca8dc28dc7dbb2406ac67dac1a0ee7) by [@cipolleschi](https://github.com/cipolleschi))
-- **Fabric:** Add invalidation callback for non-recycled component instances ([dc4a6d2c7e](https://github.com/facebook/react-native/commit/dc4a6d2c7e2ed421b61929896f60b1a864a60d97) by [@kkafar](https://github.com/kkafar))
-
-## v0.82.0-rc.4
-
-### Fixed
-
-- **Hermes V1:** Fixed coordinates for Hermes V1 artifacts ([674fb77d93](https://github.com/facebook/react-native/commit/674fb77d93dfe67a5fe90449dc71b195b1851e13) by [@j-piasecki](https://github.com/j-piasecki))
-
-#### iOS specific
-
-- **Switch:** Fix Switch layout to work with iOS26 ([91d427fe52](https://github.com/facebook/react-native/commit/91d427fe52a307f9aa8579912ef956d61808dad2) by [@cipolleschi](https://github.com/cipolleschi))
-
-## v0.82.0-rc.3
-
-### Added
-
-- **Hermes V1:** Added a dependency on hermes-compiler ([0caf8e70d5](https://github.com/facebook/react-native/commit/0caf8e70d53f611a73ad9b55879dfe0a5f036371) by [@j-piasecki](https://github.com/j-piasecki))
+## v0.82.1
 
 ### Fixed
 
 #### Android specific
 
-- **Hermes V1:** Changed the coordinates of hermes artifacts when using Hermes V1 ([d0fb33822d](https://github.com/facebook/react-native/commit/d0fb33822de38183895c8b3421f46966909beaf3) by [@j-piasecki](https://github.com/j-piasecki))
+- Fixed representation of transforms when view is originally zero-sized ([a81e94a40c](https://github.com/facebook/react-native/commit/a81e94a40ca8dca9e57b562db21f8f235c5b25a0) by [@javache](https://github.com/javache))
 
 #### iOS specific
 
-- **Codegen:** Fix regression that skips artifacts code generation ([f6f5ea0b2e](https://github.com/facebook/react-native/commit/f6f5ea0b2eed894725d8f6e8bd045c99c3182026) by [@kitten](https://github.com/kitten))
+- Fixed issue when using gnu coreutils cp command when using precompiled binaries causing compilation error ([068ec39aea](https://github.com/facebook/react-native/commit/068ec39aea543617e5159fe22274b294bfb29026) by [@chrfalch](https://github.com/chrfalch))
 
-## v0.81.4
-
-### Fixed
-
-#### iOS specific
-
-- Fix regression that skips artifacts code generation ([f6f5ea0b2e](https://github.com/facebook/react-native/commit/f6f5ea0b2eed894725d8f6e8bd045c99c3182026) by [@kitten](https://github.com/kitten))
-- Reapplied "Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source" ([bb73315a3f](https://github.com/facebook/react-native/commit/bb73315a3fd8cd203c4ddb3ffa10bfec307c7e92) by [@kitten](https://github.com/kitten))
-
-## v0.81.3
-
-### Fixed
-
-#### iOS specific
-
-- Reverted "Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source" ([537e3ad930](https://github.com/facebook/react-native/commit/537e3ad93041c0cef959f0d20586fe97818900a6) by [@gabrieldonadel](https://github.com/gabrieldonadel))
-
-## v0.81.2
-
-### Added
-
-#### Android specific
-
-- Create a debugOptimized buildType for Android ([5e3edafec6](https://github.com/facebook/react-native/commit/5e3edafec6c69558521061dced7a6bcd046576b0) by [@cortinico](https://github.com/cortinico))
-- Add `useNativeEqualsInNativeReadableArrayAndroid` and `useNativeTransformHelperAndroid` feature flag to the experimental channel. This should alleviate some of the perf issue users are seeing on Android + Reanimated + NewArch on 0.81([a346096da8](https://github.com/facebook/react-native/commit/a346096da81fccf5fbc82d83bfc128695e6ec3a5) by [@cortinico](https://github.com/cortinico))
-
-### Fixed
-
-#### iOS specific
-
-- Fix Node scripts related to prebuilt tarball extraction for paths containing whitespaces ([366f2ad505](https://github.com/facebook/react-native/commit/366f2ad5057ffecc1f5b211f6aae29567ae6b7e5) by [@kitten](https://github.com/kitten))
-- Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source ([a2eb29e5e7](https://github.com/facebook/react-native/commit/a2eb29e5e7aef8bbdf4c647c8467b5292b013b20) by [@kitten](https://github.com/kitten))
-
-## v0.82.0-rc.1
-
-### Added
-
-#### Android specific
-
-- **Hermes V1:** Added opt-in to use the new Hermes ([3e9990f860](https://github.com/facebook/react-native/commit/3e9990f860eb9380837ef431ca02def32c4261ad) by [@j-piasecki](https://github.com/j-piasecki))
-
-#### iOS specific
-
-- **Hermes V1:** Added opt-in to use the new Hermes ([e9cdc308b4](https://github.com/facebook/react-native/commit/e9cdc308b4c04753d85757e8877ac00c3c687b95) by [@j-piasecki](https://github.com/j-piasecki))
-
-### Changed
-
-- **Hermes V1:** Changed the source of hermesc binary to be an npm package ([2e0bd13a25](https://github.com/facebook/react-native/commit/2e0bd13a2533fe7ab64125a95b9215b806018c6e) by [@j-piasecki](https://github.com/j-piasecki))
-
-### Deprecated
-
-- **APIs:** Deprecate legacy javascript react native apis ([e7aeea26bd](https://github.com/facebook/react-native/commit/e7aeea26bde6e9cda0a3a0a55fc2a0421fb0c0e5) by [@RSNara](https://github.com/RSNara))
-
-### Fixed
-
-#### Android specific
-
-- **Build From Source:** Fix build from source due to missing folder error on Gradle 9.0 ([9fbce3eff1](https://github.com/facebook/react-native/commit/9fbce3eff18060f16e796badc415ba733ede19af) by [@cortinico](https://github.com/cortinico))
-
-#### iOS specific
-
-- **RCTAlertController:** Simplify RCTAlertController, don't create additional UIWindow ([05c4321b19](https://github.com/facebook/react-native/commit/05c4321b194c3d0e146b6085bcaccc75acd3fd67) by [@okwasniewski](https://github.com/okwasniewski))
-- **Prebuild:** Fix Node scripts related to prebuilt tarball extraction for paths containing whitespaces ([9731e8ebc5](https://github.com/facebook/react-native/commit/9731e8ebc5ea87526a91b9903172639e062cd920) by [@kitten](https://github.com/kitten))
-- **Prebuild:** Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source ([f170db412b](https://github.com/facebook/react-native/commit/f170db412b3ab46fd0894d5d66431d9c230cd3a8) by [@kitten](https://github.com/kitten))
-
-## v0.82.0-rc.0
+## v0.82.0
 
 ### Breaking
 
@@ -112,6 +20,7 @@
 - **`CxxSharedModuleWrapper`:** Removed CxxSharedModuleWrapper ([fafbee2402](https://github.com/facebook/react-native/commit/fafbee240235ea0e63eb01abd31ce32d6a576429) by [@javache](https://github.com/javache))
 - **DOM API:** Enable DOM APIs in host component refs ([2ad845ccb2](https://github.com/facebook/react-native/commit/2ad845ccb2fea277e05513dcf41407026a8224f0) by [@rubennorte](https://github.com/rubennorte))
 - **Error Handling:** Unhandled promises are now handled by ExceptionsManager.handleException, instead of being swallowed as Logbox Warnings. ([c4082c9ce2](https://github.com/facebook/react-native/commit/c4082c9ce208a324c2d011823ca2ba432411aafc) by [@krystofwoldrich](https://github.com/krystofwoldrich))
+- **InteractionManager:** InteractionManager has been deprecated and no longer respects interaction handles. Instead, it is now recommended to avoid executing long-running JavaScript tasks by breaking them up into smaller tasks and scheduling them using `requestIdleCallback()`. ([03d9f34a82](https://github.com/facebook/react-native/commit/03d9f34a8252456d389d9f9a3bd04b99a2828c16) by [@yungsters](https://github.com/yungsters))
 - **`shouldEmitW3CPointerEvents`:** Migrate `shouldPressibilityUseW3CPointerEventsForHover` to common private feature flags and remove `shouldEmitW3CPointerEvents` flag. ([fb4587780e](https://github.com/facebook/react-native/commit/fb4587780e8d6111139d73598a9a26ff392dee28) by [@coado](https://github.com/coado))
 - **TurboModuleUtils:** Remove unused ReactCommon/TurboModuleUtils functions #deepCopyJSIObject and #deepCopyJSIArray ([ead669ade3](https://github.com/facebook/react-native/commit/ead669ade31ee703c407f96c0ce98d8f2991bdc8) by [@christophpurrer](https://github.com/christophpurrer))
 - **TurboModules:** Delete old location of CallbackWrapper.h / LongLivedObject.h by ([cb94e71](https://github.com/facebook/react-native/commit/cb94e71845259ae7fa823eb4d21cde74fccd7435) [@christophpurrer](https://github.com/christophpurrer))
@@ -135,6 +44,7 @@
 - **API:** Expose NativeComponentRegistry API as JavaScript root export ([f936780cd5](https://github.com/facebook/react-native/commit/f936780cd5c0c17797f9d2bbc8f5cee81c2eefce) by [@zhongwuzw](https://github.com/zhongwuzw))
 - **API:** Expose `ReactNativeVersion` API as JavaScript root export ([ec5638abd0](https://github.com/facebook/react-native/commit/ec5638abd0e872be62b6ea5d8df9bed6335c2191) by [@huntie](https://github.com/huntie))
 - **Codegen:** Added getDebugProps to codegen ([e547f466ee](https://github.com/facebook/react-native/commit/e547f466ee41415a75ec6b6f910171285ee7bfc3) by [@cipolleschi](https://github.com/cipolleschi))
+- **Hermes V1:** Added a dependency on hermes-compiler ([0caf8e70d5](https://github.com/facebook/react-native/commit/0caf8e70d53f611a73ad9b55879dfe0a5f036371) by [@j-piasecki](https://github.com/j-piasecki))
 - **Pressable:** Allow setting `blockNativeResponder` on Pressable ([6e4d23ded2](https://github.com/facebook/react-native/commit/6e4d23ded2da4a717bafcc032e3d7a0a5fbe3731) by [@zeyap](https://github.com/zeyap))
 - **Yoga/API:** Make yoga/Yoga.h an umbrell header ([8ed2cee80e](https://github.com/facebook/react-native/commit/8ed2cee80e0aaac2f2a6a897ba450888f274a5a4) by [@rudybear](https://github.com/rudybear))
 
@@ -144,18 +54,23 @@
 - **DevMenu:** Add long-press back as an option to open the DevMenu for devices that lack menu & fast-forward. ([32d37f03ad](https://github.com/facebook/react-native/commit/32d37f03ad05290205a4f04d756f6e1880c4ff89) by [@sbuggay](https://github.com/sbuggay))
 - **DevTools:** `DevSupportManager::openDebugger` now supports an optional `panel` param determining the starting panel ([7eb3536728](https://github.com/facebook/react-native/commit/7eb3536728c4a20f7e51245f4f7b64aa505bd799) by [@huntie](https://github.com/huntie))
 - **DevTools:** Adds a landing view parameter to opening RNDT, enabling arbitrary view focus on launch. ([635c707eec](https://github.com/facebook/react-native/commit/635c707eec18f6d2ceceac2dcee9f458f17f8aab) by [@sbuggay](https://github.com/sbuggay))
+- **Hermes V1:** Added opt-in to use the new Hermes ([3e9990f860](https://github.com/facebook/react-native/commit/3e9990f860eb9380837ef431ca02def32c4261ad) by [@j-piasecki](https://github.com/j-piasecki))
 - **HWInput:** Channel up/down hardware events. ([c2a3e4420e](https://github.com/facebook/react-native/commit/c2a3e4420e07147f9a040a665da98dbe22b87a2a) by [@sbuggay](https://github.com/sbuggay))
 - **Manifest:** Add support to specify a single Manifest rather than 2 (main/debug) by using the `usesCleartextTraffic` manifest placeholder which is autoconfigured by RNGP. ([d89acc1596](https://github.com/facebook/react-native/commit/d89acc1596345534882938d2bbf40275a6cb89bd) by [@cortinico](https://github.com/cortinico))
 
 #### iOS specific
 
 - **API:** Add deprecation message for RCTAppdelegate APIs ([d503ea4efc](https://github.com/facebook/react-native/commit/d503ea4efc84b6511cef2a46421a16e044862e88) by [@cipolleschi](https://github.com/cipolleschi))
+- **Fabric:** Add invalidation callback for non-recycled component instances ([dc4a6d2c7e](https://github.com/facebook/react-native/commit/dc4a6d2c7e2ed421b61929896f60b1a864a60d97) by [@kkafar](https://github.com/kkafar))
+- **Hermes V1:** Added opt-in to use the new Hermes ([e9cdc308b4](https://github.com/facebook/react-native/commit/e9cdc308b4c04753d85757e8877ac00c3c687b95) by [@j-piasecki](https://github.com/j-piasecki))
 - **New Architecture:** Add warning if RCT_NEW_ARCH_ENABLED is set to 0 ([7d0bef2f25](https://github.com/facebook/react-native/commit/7d0bef2f25a206d917e7f5cc2b9a6c088f13a832) by [@cipolleschi](https://github.com/cipolleschi))
+- **New Architecture:** Crash the app if they force the legacy architecture. ([dc132a4fd4](https://github.com/facebook/react-native/commit/dc132a4fd4ca8dc28dc7dbb2406ac67dac1a0ee7) by [@cipolleschi](https://github.com/cipolleschi))
 
 ### Changed
 
 - **Font:** Enabled `enableFontScaleChangesUpdatingLayout` feature flag by default ([686d14f1d1](https://github.com/facebook/react-native/commit/686d14f1d16c2f02720104ddd395f7d27c908350) by [@j-piasecki](https://github.com/j-piasecki))
 - **Hermes:** Changed names of hermes binaries ([776fca1e7c](https://github.com/facebook/react-native/commit/776fca1e7c978a2d8f817d042836073e4dcb4e0e) by [@j-piasecki](https://github.com/j-piasecki))
+- **Hermes V1:** Changed the source of hermesc binary to be an npm package ([2e0bd13a25](https://github.com/facebook/react-native/commit/2e0bd13a2533fe7ab64125a95b9215b806018c6e) by [@j-piasecki](https://github.com/j-piasecki))
 - **Metro:** Bump Metro to ^0.83.1 ([840fd6c83f](https://github.com/facebook/react-native/commit/840fd6c83f45326a796bf2823f8c2fa942aed06c) by [@robhogan](https://github.com/robhogan))
 - **React:** Bumped React to 19.1.1 ([ec5a98b1f5](https://github.com/facebook/react-native/commit/ec5a98b1f5c2137f5f6ff5f5f6706f20384c44df) by [@cipolleschi](https://github.com/cipolleschi))
 - **Runtime:** CDP backend now accepts `addBinding` and `removeBinding` methods earlier, before a Runtime exists. ([3271e57c75](https://github.com/facebook/react-native/commit/3271e57c751e7d1193c1e9f7b53e545231511b9d) by [@motiz88](https://github.com/motiz88))
@@ -189,6 +104,7 @@
 
 ### Deprecated
 
+- **APIs:** Deprecate legacy javascript react native apis ([e7aeea26bd](https://github.com/facebook/react-native/commit/e7aeea26bde6e9cda0a3a0a55fc2a0421fb0c0e5) by [@RSNara](https://github.com/RSNara))
 - **StyleSheet:** `StyleSheet.absoluteFillObject` is deprecated in favor of `StyleSheet.absoluteFill` (equivalent). ([83e19813ff](https://github.com/facebook/react-native/commit/83e19813ff5498ab3497d97fe38dba63a5554425) by [@huntie](https://github.com/huntie))
 - Deprecate all the c++ classes not used by interop, or the new architecture. ([9539cd2626](https://github.com/facebook/react-native/commit/9539cd26261aef646379104833c7f719e3d83d02) by [@RSNara](https://github.com/RSNara))
 
@@ -242,6 +158,7 @@
 - **Casting:** Casting rawValue to int was incorrectly truncating ([31b9f10364](https://github.com/facebook/react-native/commit/31b9f103645e67586bdfc5c2f590c28c04ca3871) by [@javache](https://github.com/javache))
 - **Codegen:** Help Codegen find library's package.json if some libraries using `exports` field in their package.json file and the `./package.json` subpath is not explicitly defined ([739dfd2141](https://github.com/facebook/react-native/commit/739dfd2141015a8126448bda64a559f5bf22672e) by [@RakaDoank](https://github.com/RakaDoank))
 - **Hermes:** Change leftover references to `hermes.framework` to `hermesvm.framework` ([7f051c5470](https://github.com/facebook/react-native/commit/7f051c54701b3585f76f63846abbf7e68e2688d2) by [@j-piasecki](https://github.com/j-piasecki))
+- **Hermes V1:** Fixed coordinates for Hermes V1 artifacts ([674fb77d93](https://github.com/facebook/react-native/commit/674fb77d93dfe67a5fe90449dc71b195b1851e13) by [@j-piasecki](https://github.com/j-piasecki))
 - **Performance Panel:** Fix typo in Performance.js type checking condition ([6caf2dfa38](https://github.com/facebook/react-native/commit/6caf2dfa382fd4f1184b8d21b030c36687a256e4) by [@YangJonghun](https://github.com/YangJonghun))
 - **Performance Panel:** Add default cases to switch statements in headers ([323fe3a5d4](https://github.com/facebook/react-native/commit/323fe3a5d471ae5a2f94d5c2bd13cc97feffe0a5) by [@NSProgrammer](https://github.com/NSProgrammer))
 - **ReactCommon:** Bring back ContextContainer::Shared = std::shared_ptr<const ContextContainer> alias ([daeb6e99ab](https://github.com/facebook/react-native/commit/daeb6e99abbca2b6395a9a703d2b0bb9e5091fb7) by [@christophpurrer](https://github.com/christophpurrer))
@@ -253,11 +170,13 @@
 #### Android specific
 
 - **Accessability:** Stabilize custom accessibility action IDs to prevent "incompatible action" errors in TalkBack. ([626568f9a3](https://github.com/facebook/react-native/commit/626568f9a3f956a52f6c55df1dc3bc5cd017e353) by [@leg234-png](https://github.com/leg234-png))
+- **Build From Source:** Fix build from source due to missing folder error on Gradle 9.0 ([9fbce3eff1](https://github.com/facebook/react-native/commit/9fbce3eff18060f16e796badc415ba733ede19af) by [@cortinico](https://github.com/cortinico))
 - **Determinism:** Turned off build IDs for native libraries, fixing issues with reproducibility ([4b8dbe7642](https://github.com/facebook/react-native/commit/4b8dbe7642be53d0ccfc68ca8c9b3f5e750a68c0) by [@Rexogamer](https://github.com/Rexogamer))
 - **DevTools:** Fix stack trace linkifying failing when using Android emulator and other situations where the device and debugger have different bundle urls ([794df48ad6](https://github.com/facebook/react-native/commit/794df48ad6a259022e66de1a38ff54b5ec67c3e4) by [@vzaidman](https://github.com/vzaidman))
 - **Edge to Edge:** Fix `Dimensions` `window` values on Android < 15 when edge-to-edge is enabled ([3b185e4bce](https://github.com/facebook/react-native/commit/3b185e4bcef24e0689cccd4cf250d469b114d4da) by [@zoontek](https://github.com/zoontek))
 - **Fonts:** Update font scale when recreating `RootView` ([5cda3065ce](https://github.com/facebook/react-native/commit/5cda3065ce635460a7458cbab5c10e24bea3bfe2) by [@j-piasecki](https://github.com/j-piasecki))
 - **Fonts:** Fix incorrect positioning of inline view at the end of string when RTL text in LTR container ([7f224941bb](https://github.com/facebook/react-native/commit/7f224941bb807919b487d8e1634dd2124f9258b8) by [@NickGerleman](https://github.com/NickGerleman))
+- **Hermes V1:** Changed the coordinates of hermes artifacts when using Hermes V1 ([d0fb33822d](https://github.com/facebook/react-native/commit/d0fb33822de38183895c8b3421f46966909beaf3) by [@j-piasecki](https://github.com/j-piasecki))
 - **Locale:** Use the first available locale instead of the default one to decide `isDevicePreferredLanguageRTL` ([a03780d279](https://github.com/facebook/react-native/commit/a03780d279d0944e0dcbbf5a93680775006598b0) by Kaining Zhong)
 - **New Architecture:** Correctly account for insets on first render of Modals on New Arch ([2e76fc8e8e](https://github.com/facebook/react-native/commit/2e76fc8e8ea01fbce5bd131f675364e688f49088) by [@cortinico](https://github.com/cortinico))
 - **Performance:** Fix mounting is very slow on Android by shipping native transform optimizations ([c557311ed8](https://github.com/facebook/react-native/commit/c557311ed836cded8548c5bca32f3eded0abc7ff) by [@cortinico](https://github.com/cortinico))
@@ -270,13 +189,18 @@
 - **Build:** Non-UTF8 crashes Info.plist local frameworks ([91e69b5d4c](https://github.com/facebook/react-native/commit/91e69b5d4c768278680a8d9ae979bc267624ce98) by [@philipheinser](https://github.com/philipheinser))
 - **Build:** Fixed variable naming error in `set_fast_float_config` method in `react_native_pods.rb` ([327057fad5](https://github.com/facebook/react-native/commit/327057fad5c78a95e6c039bfe380d78672e83a43) by [@eliotfallon213](https://github.com/eliotfallon213))
 - **Build:** Fix pure cocoapods dynamic framework build ([aa4555eaf1](https://github.com/facebook/react-native/commit/aa4555eaf1b6aab83660c600e867fa6c2da4128e) by [@cipolleschi](https://github.com/cipolleschi))
+- **Codegen:** Fix regression that skips artifacts code generation ([f6f5ea0b2e](https://github.com/facebook/react-native/commit/f6f5ea0b2eed894725d8f6e8bd045c99c3182026) by [@kitten](https://github.com/kitten))
 - **Native Modules:** Fix concurrent calls into resolve/reject inside native modules ([dc879950d1](https://github.com/facebook/react-native/commit/dc879950d196dfd429229f1c4c8e743ef1799d11) by [@RSNara](https://github.com/RSNara))
 - **New Architecture:** Fix overriding (xc)framework Info.plist files with RCTNewArchEnabled field ([f84514a88b](https://github.com/facebook/react-native/commit/f84514a88be00f8dcae7972f84aa89d829392a58) by [@msynowski](https://github.com/msynowski))
+- **Prebuild:** Fix Node scripts related to prebuilt tarball extraction for paths containing whitespaces ([9731e8ebc5](https://github.com/facebook/react-native/commit/9731e8ebc5ea87526a91b9903172639e062cd920) by [@kitten](https://github.com/kitten))
+- **Prebuild:** Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source ([f170db412b](https://github.com/facebook/react-native/commit/f170db412b3ab46fd0894d5d66431d9c230cd3a8) by [@kitten](https://github.com/kitten))
+- **RCTAlertController:** Simplify RCTAlertController, don't create additional UIWindow ([05c4321b19](https://github.com/facebook/react-native/commit/05c4321b194c3d0e146b6085bcaccc75acd3fd67) by [@okwasniewski](https://github.com/okwasniewski))
 - **RCTPullToRefreshViewComponentView:** Properly initialize the `RCTPullToRefreshViewComponentView` ([27217e8bd6](https://github.com/facebook/react-native/commit/27217e8bd601757b5db6efc022db428b552a2aa4) by [@cipolleschi](https://github.com/cipolleschi))
 - **RCTReactNativeFactory:** Ask the delegate for `getModuleForClass` and `getModuleInstanceFromClass` ([85b47afb48](https://github.com/facebook/react-native/commit/85b47afb48e50b036d2c2c79a008f571d3bfcb43) by [@cipolleschi](https://github.com/cipolleschi))
 - **ScrollView:** Correctly propagate `ScrollView` props to `RefreshControl` ([09daad27ea](https://github.com/facebook/react-native/commit/09daad27ea22b83fab65176ea3c7f5f1488ba408) by [@cipolleschi](https://github.com/cipolleschi))
 - **ScrollView:** Make sure that `ScrollView` recycled refresh control have the right props setup. ([21b93d8d7d](https://github.com/facebook/react-native/commit/21b93d8d7d46a26f728df19764f85a8aebf318bb) by [@cipolleschi](https://github.com/cipolleschi))
 - **Switch:** Fixed a crash when rendering the `Switch` component ([28275a0f7b](https://github.com/facebook/react-native/commit/28275a0f7b182a215010d47fb841d9c2c36bb24c) by [@cipolleschi](https://github.com/cipolleschi))
+- **Switch:** Fix Switch layout to work with iOS26 ([91d427fe52](https://github.com/facebook/react-native/commit/91d427fe52a307f9aa8579912ef956d61808dad2) by [@cipolleschi](https://github.com/cipolleschi))
 - **Text:** Fix selectable prop not working correctly ([f004cd39bc](https://github.com/facebook/react-native/commit/f004cd39bc4b632006085cbcf61df52bc5d25242) by [@iamAbhi-916](https://github.com/iamAbhi-916))
 - **TextInput:** Update TextInput recycling logic to clean up the `inputAccessoryView` dependency. ([eb08f54594](https://github.com/facebook/react-native/commit/eb08f545948de9e2eca91ab3cb7569670c553b15) by [@ArturKalach](https://github.com/ArturKalach))
 - **TextInput:** Fixed TextInput behavior when `maxLength={null}` is passed ([56ad53cb14](https://github.com/facebook/react-native/commit/56ad53cb14b5c842714fcf976b6ba81f68c140f2) by [@cipolleschi](https://github.com/cipolleschi))
@@ -286,6 +210,39 @@
 
 - **Network:** Fixed vulnerability on undici and on-headers ([dd00c9055a](https://github.com/facebook/react-native/commit/dd00c9055a8f0c9ceac1716385a8a9874f7a4c2e) by [@cipolleschi](https://github.com/cipolleschi))
 
+## v0.81.4
+
+### Fixed
+
+#### iOS specific
+
+- Fix regression that skips artifacts code generation ([f6f5ea0b2e](https://github.com/facebook/react-native/commit/f6f5ea0b2eed894725d8f6e8bd045c99c3182026) by [@kitten](https://github.com/kitten))
+- Reapplied "Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source" ([bb73315a3f](https://github.com/facebook/react-native/commit/bb73315a3fd8cd203c4ddb3ffa10bfec307c7e92) by [@kitten](https://github.com/kitten))
+
+## v0.81.3
+
+### Fixed
+
+#### iOS specific
+
+- Reverted "Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source" ([537e3ad930](https://github.com/facebook/react-native/commit/537e3ad93041c0cef959f0d20586fe97818900a6) by [@gabrieldonadel](https://github.com/gabrieldonadel))
+
+## v0.81.2
+
+### Added
+
+#### Android specific
+
+- Create a debugOptimized buildType for Android ([5e3edafec6](https://github.com/facebook/react-native/commit/5e3edafec6c69558521061dced7a6bcd046576b0) by [@cortinico](https://github.com/cortinico))
+- Add `useNativeEqualsInNativeReadableArrayAndroid` and `useNativeTransformHelperAndroid` feature flag to the experimental channel. This should alleviate some of the perf issue users are seeing on Android + Reanimated + NewArch on 0.81([a346096da8](https://github.com/facebook/react-native/commit/a346096da81fccf5fbc82d83bfc128695e6ec3a5) by [@cortinico](https://github.com/cortinico))
+
+### Fixed
+
+#### iOS specific
+
+- Fix Node scripts related to prebuilt tarball extraction for paths containing whitespaces ([366f2ad505](https://github.com/facebook/react-native/commit/366f2ad5057ffecc1f5b211f6aae29567ae6b7e5) by [@kitten](https://github.com/kitten))
+- Use autolinking-generated react-native-config output in second step of cocoapods linking that generates artifacts and generated source ([a2eb29e5e7](https://github.com/facebook/react-native/commit/a2eb29e5e7aef8bbdf4c647c8467b5292b013b20) by [@kitten](https://github.com/kitten))
+
 ## v0.81.1
 
 ### Added
@@ -300,7 +257,6 @@
 - **Infra:** Add missing Babel dependencies ([bf2c3af93b](https://github.com/facebook/react-native/commit/bf2c3af93b146943cb35866fa9badcd188e63f5b) by [@tido64](https://github.com/tido64))
 - **Accessibility:** fix `aria-label` on `TextInput` ([6965d57e75](https://github.com/facebook/react-native/commit/6965d57e75ed0cf9f265c6020d478ddb9af4bf10) by [@mdjastrzebski](https://github.com/mdjastrzebski))
 
-
 #### iOS specific
 
 - **TextInput:** Setting maxLength to 0 in TextInput now correctly blocks typing ([c5956da8c0](https://github.com/facebook/react-native/commit/c5956da8c0b735d47761af51019ed25b49001c00) by [@riteshshukla04](https://github.com/riteshshukla04))
@@ -314,7 +270,6 @@
 - **Prebuild:** Fix "file exists" error in `ReactNativeDependencies.podspec` ([4c570b5d31](https://github.com/facebook/react-native/commit/4c570b5d31ef46e04e5fa26fa92d7f7090bf15e2) by [@vonovak](https://github.com/vonovak))
 - **Prebuild:** added explicit handling of ReactCodegen ([6526a98d68](https://github.com/facebook/react-native/commit/6526a98d68dbc8578ea15cbf117c0a216c6e9af0) by [@cipolleschi](https://github.com/cipolleschi))
 
-
 ## v0.81.0
 
 ### Breaking
@@ -869,6 +824,10 @@
 - **Text:** Selection range not respected when changing text or selection when selection is forced ([d32ea66e6a](https://github.com/facebook/react-native/commit/d32ea66e6a945dd84092532401b265b12d482668) by Olivier Bouillet)
 - **TextInput:** Fix TextInput `onContentSizeChange` event being dispatched only once on iOS on the new architecture ([5fd5188172](https://github.com/facebook/react-native/commit/5fd51881727b2d86f87abf04db032940ac0ec8c4) by [@j-piasecki](https://github.com/j-piasecki))
 
+## v0.79.7
+
+See [CHANGELOG-0.7x](./CHANGELOG-0.7x.md#v0797)
+
 ## v0.79.6
 
 See [CHANGELOG-0.7x](./CHANGELOG-0.7x.md#v0796)

build.gradle.kts

@@ -104,10 +104,6 @@ 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") {
@@ -135,8 +131,7 @@ if (project.findProperty("react.internal.useHermesNightly")?.toString()?.toBoole
     configurations.all {
       resolutionStrategy.dependencySubstitution {
         substitute(project(":packages:react-native:ReactAndroid:hermes-engine"))
-            // TODO: T237406039 update coordinates
-            .using(module("com.facebook.react:hermes-android:0.+"))
+            .using(module("com.facebook.hermes:hermes-android:0.+"))
             .because("Users opted to use hermes from nightly")
       }
     }

gradle.properties

@@ -4,6 +4,13 @@ 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

package.json

@@ -86,7 +86,7 @@
     "eslint-plugin-relay": "^1.8.3",
     "fb-dotslash": "0.5.8",
     "flow-api-translator": "0.32.0",
-    "flow-bin": "^0.287.0",
+    "flow-bin": "^0.289.0",
     "glob": "^7.1.1",
     "hermes-eslint": "0.32.0",
     "hermes-transform": "0.32.0",
@@ -108,8 +108,8 @@
     "nullthrows": "^1.1.1",
     "prettier": "3.6.2",
     "prettier-plugin-hermes-parser": "0.32.0",
-    "react": "19.1.1",
-    "react-test-renderer": "19.1.1",
+    "react": "19.2.0",
+    "react-test-renderer": "19.2.0",
     "rimraf": "^3.0.2",
     "shelljs": "^0.8.5",
     "signedsource": "^2.0.0",
@@ -120,8 +120,7 @@
     "ws": "^7.5.10"
   },
   "resolutions": {
-    "eslint-plugin-react-hooks": "6.1.0-canary-12bc60f5-20250613",
-    "react-is": "19.1.1",
+    "react-is": "19.2.0",
     "on-headers": "1.1.0",
     "compression": "1.8.1"
   }

packages/debugger-frontend/BUILD_INFO

@@ -1,5 +1,5 @@
-@generated SignedSource<<e0cc45c5c3854d0d3013f1c735e804b8>>
-Git revision: 8cce39003f66f66a8fb4c0e581a2b5046cf9c1d1
+@generated SignedSource<<4bb67766e15e25a481c4c38873260a7a>>
+Git revision: 7aa57d13e50ce9d74a91c9315c9b0ded00fbc19f
 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,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};
+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};

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_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/${n[1]}/`,version:n[1]}:null},hostConfig:_,isNodeEntry:i});export{x as Runtime};
+import*as e from"../platform/platform.js";const t=new URLSearchParams(location.search);let n,r,s="";function a(){return window.location.pathname}function i(e){return["node_app","js_app"].some((t=>e.includes(t)))}class o{constructor(){}static instance(e={forceNew:null}){const{forceNew:t}=e;return n&&!t||(n=new o),n}static removeInstance(){n=void 0}static queryParam(e){return t.get(e)}static setQueryParamForTesting(e,n){t.set(e,n)}static isNode(){return void 0===r&&(r=i(a())),r}static setPlatform(e){s=e}static platform(){return s}static isDescriptorEnabled(e){const{experiment:t}=e;if("*"===t)return!0;if(t&&t.startsWith("!")&&h.isEnabled(t.substring(1)))return!1;if(t&&!t.startsWith("!")&&!h.isEnabled(t))return!1;const{condition:n}=e;return!n||n(_)}loadLegacyModule(e){console.log("Loading legacy module: "+e);return import(`../../${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};

packages/eslint-config-react-native/package.json

@@ -30,7 +30,7 @@
     "eslint-plugin-ft-flow": "^2.0.1",
     "eslint-plugin-jest": "^29.0.1",
     "eslint-plugin-react": "^7.30.1",
-    "eslint-plugin-react-hooks": "^5.2.0",
+    "eslint-plugin-react-hooks": "^7.0.1",
     "eslint-plugin-react-native": "^4.0.0"
   },
   "peerDependencies": {

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

@@ -14,7 +14,6 @@ import com.facebook.react.utils.KotlinStdlibCompatUtils.capitalizeCompat
 import com.facebook.react.utils.NdkConfiguratorUtils.configureJsEnginePackagingOptions
 import com.facebook.react.utils.NdkConfiguratorUtils.configureNewArchPackagingOptions
 import com.facebook.react.utils.ProjectUtils.isHermesEnabled
-import com.facebook.react.utils.ProjectUtils.isHermesV1Enabled
 import com.facebook.react.utils.ProjectUtils.useThirdPartyJSC
 import com.facebook.react.utils.detectedCliFile
 import com.facebook.react.utils.detectedEntryFile
@@ -49,7 +48,6 @@ internal fun Project.configureReactTasks(variant: Variant, config: ReactExtensio
       } else {
         isHermesEnabledInProject
       }
-  val isHermesV1Enabled = project.isHermesV1Enabled || rootProject.isHermesV1Enabled
   val isDebuggableVariant =
       config.debuggableVariants.get().any { it.equals(variant.name, ignoreCase = true) }
   val useThirdPartyJSC = project.useThirdPartyJSC
@@ -80,7 +78,6 @@ internal fun Project.configureReactTasks(variant: Variant, config: ReactExtensio
           task.jsBundleDir.set(jsBundleDir)
           task.resourcesDir.set(resourcesDir)
           task.hermesEnabled.set(isHermesEnabledInThisVariant)
-          task.hermesV1Enabled.set(isHermesV1Enabled)
           task.minifyEnabled.set(!isHermesEnabledInThisVariant)
           task.devEnabled.set(false)
           task.jsIntermediateSourceMapsDir.set(jsIntermediateSourceMapsDir)

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

@@ -63,8 +63,6 @@ abstract class BundleHermesCTask : DefaultTask() {
 
   @get:Input abstract val hermesEnabled: Property<Boolean>
 
-  @get:Input abstract val hermesV1Enabled: Property<Boolean>
-
   @get:Input abstract val devEnabled: Property<Boolean>
 
   @get:Input abstract val extraPackagerArgs: ListProperty<String>
@@ -96,8 +94,7 @@ abstract class BundleHermesCTask : DefaultTask() {
     runCommand(bundleCommand)
 
     if (hermesEnabled.get()) {
-      val detectedHermesCommand =
-          detectOSAwareHermesCommand(root.get().asFile, hermesCommand.get(), hermesV1Enabled.get())
+      val detectedHermesCommand = detectOSAwareHermesCommand(root.get().asFile, hermesCommand.get())
       val bytecodeFile = File("${bundleFile}.hbc")
       val outputSourceMap = resolveOutputSourceMap(bundleAssetFilename)
       val compilerSourceMap = resolveCompilerSourceMap(bundleAssetFilename)

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

@@ -44,12 +44,8 @@ internal object AgpConfiguratorUtils {
                   maybeCreate("debugOptimized").apply {
                     manifestPlaceholders["usesCleartextTraffic"] = "true"
                     initWith(debug)
-                    externalNativeBuild {
-                      cmake {
-                        arguments("-DCMAKE_BUILD_TYPE=Release")
-                        matchingFallbacks += listOf("release")
-                      }
-                    }
+                    matchingFallbacks += listOf("release")
+                    externalNativeBuild { cmake { arguments("-DCMAKE_BUILD_TYPE=Release") } }
                   }
                 }
               }
@@ -100,6 +96,7 @@ internal object AgpConfiguratorUtils {
           project.extensions
               .getByType(ApplicationAndroidComponentsExtension::class.java)
               .finalizeDsl { ext ->
+                ext.buildFeatures.resValues = true
                 ext.defaultConfig.resValue(
                     "string",
                     "react_native_dev_server_ip",

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

@@ -14,6 +14,7 @@ import com.facebook.react.utils.PropertyUtils.INCLUDE_JITPACK_REPOSITORY
 import com.facebook.react.utils.PropertyUtils.INCLUDE_JITPACK_REPOSITORY_DEFAULT
 import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_PUBLISHING_GROUP
 import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_V1_VERSION_NAME
+import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_VERSION_NAME
 import com.facebook.react.utils.PropertyUtils.INTERNAL_REACT_NATIVE_MAVEN_LOCAL_REPO
 import com.facebook.react.utils.PropertyUtils.INTERNAL_REACT_PUBLISHING_GROUP
 import com.facebook.react.utils.PropertyUtils.INTERNAL_USE_HERMES_NIGHTLY
@@ -139,11 +140,7 @@ internal object DependencyUtils {
           // Contributors only: The hermes-engine version is forced only if the user has
           // not opted into using nightlies for local development.
           configuration.resolutionStrategy.force(
-              // TODO: T237406039 update coordinates
-              if (hermesV1Enabled)
-                  "${coordinates.hermesGroupString}:hermes-android:${coordinates.hermesV1VersionString}"
-              else
-                  "${coordinates.reactGroupString}:hermes-android:${coordinates.hermesVersionString}"
+              "${coordinates.hermesGroupString}:hermes-android:${if (hermesV1Enabled) coordinates.hermesV1VersionString else coordinates.hermesVersionString}"
           )
         }
       }
@@ -154,13 +151,10 @@ internal object DependencyUtils {
       coordinates: Coordinates,
       hermesV1Enabled: Boolean = false,
   ): List<Triple<String, String, String>> {
-    // TODO: T231755027 update coordinates and versioning
     val dependencySubstitution = mutableListOf<Triple<String, String, String>>()
-    // TODO: T237406039 update coordinates
-    val hermesVersionString =
-        if (hermesV1Enabled)
-            "${coordinates.hermesGroupString}:hermes-android:${coordinates.hermesV1VersionString}"
-        else "${coordinates.reactGroupString}:hermes-android:${coordinates.hermesVersionString}"
+    val hermesVersion =
+        if (hermesV1Enabled) coordinates.hermesV1VersionString else coordinates.hermesVersionString
+    val hermesVersionString = "${coordinates.hermesGroupString}:hermes-android:${hermesVersion}"
     dependencySubstitution.add(
         Triple(
             "com.facebook.react:react-native",
@@ -175,6 +169,13 @@ internal object DependencyUtils {
             "The hermes-engine artifact was deprecated in favor of hermes-android due to https://github.com/facebook/react-native/issues/35210.",
         )
     )
+    dependencySubstitution.add(
+        Triple(
+            "com.facebook.react:hermes-android",
+            hermesVersionString,
+            "The hermes-android artifact was moved to com.facebook.hermes publishing group.",
+        )
+    )
     if (coordinates.reactGroupString != DEFAULT_INTERNAL_REACT_PUBLISHING_GROUP) {
       dependencySubstitution.add(
           Triple(
@@ -183,7 +184,6 @@ internal object DependencyUtils {
               "The react-android dependency was modified to use the correct Maven group.",
           )
       )
-      // TODO: T237406039 update coordinates
       dependencySubstitution.add(
           Triple(
               "com.facebook.react:hermes-android",
@@ -191,12 +191,13 @@ internal object DependencyUtils {
               "The hermes-android dependency was modified to use the correct Maven group.",
           )
       )
-    } else if (hermesV1Enabled) {
+    }
+    if (coordinates.hermesGroupString != DEFAULT_INTERNAL_HERMES_PUBLISHING_GROUP) {
       dependencySubstitution.add(
           Triple(
-              "com.facebook.react:hermes-android",
+              "com.facebook.hermes:hermes-android",
               hermesVersionString,
-              "The hermes-android dependency was modified to use Hermes V1.",
+              "The hermes-android dependency was modified to use the correct Maven group.",
           )
       )
     }
@@ -221,11 +222,19 @@ internal object DependencyUtils {
     val hermesGroupString =
         reactAndroidProperties[INTERNAL_HERMES_PUBLISHING_GROUP] as? String
             ?: DEFAULT_INTERNAL_HERMES_PUBLISHING_GROUP
-    // TODO: T237406039 read both versions from the same file
+
     val hermesVersionProperties = Properties()
     hermesVersionFile.inputStream().use { hermesVersionProperties.load(it) }
 
-    val hermesVersion = versionString
+    val hermesVersionString =
+        (hermesVersionProperties[INTERNAL_HERMES_VERSION_NAME] as? String).orEmpty()
+    val hermesVersion =
+        if (hermesVersionString.startsWith("0.0.0") || "-commitly-" in hermesVersionString) {
+          "$hermesVersionString-SNAPSHOT"
+        } else {
+          hermesVersionString
+        }
+
     val hermesV1Version =
         (hermesVersionProperties[INTERNAL_HERMES_V1_VERSION_NAME] as? String).orEmpty()
 

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

@@ -130,7 +130,6 @@ private fun detectCliFile(reactNativeRoot: File, preconfiguredCliFile: File?): F
 internal fun detectOSAwareHermesCommand(
     projectRoot: File,
     hermesCommand: String,
-    hermesV1Enabled: Boolean = false,
 ): String { // 1. If the project specifies a Hermes command, don't second guess it.
   if (hermesCommand.isNotBlank()) {
     val osSpecificHermesCommand =
@@ -151,13 +150,9 @@ internal fun detectOSAwareHermesCommand(
     return builtHermesc.cliPath(projectRoot)
   }
 
-  // 3. If Hermes V1 is enabled, use hermes-compiler from npm, otherwise, if the
-  // react-native contains a pre-built hermesc, use it.
-  // TODO: T237406039 use hermes-compiler from npm for both
-  val hermesCPath = if (hermesV1Enabled) HERMES_COMPILER_NPM_DIR else HERMESC_IN_REACT_NATIVE_DIR
+  // 3. Use hermes-compiler from npm
   val prebuiltHermesPath =
-      hermesCPath
-          .plus(getHermesCBin())
+      HERMES_COMPILER_NPM_DIR.plus(getHermesCBin())
           .replace("%OS-BIN%", getHermesOSBin())
           // Execution on Windows fails with / as separator
           .replace('/', File.separatorChar)
@@ -243,6 +238,5 @@ internal fun readPackageJsonFile(
 }
 
 private const val HERMES_COMPILER_NPM_DIR = "node_modules/hermes-compiler/hermesc/%OS-BIN%/"
-private const val HERMESC_IN_REACT_NATIVE_DIR = "node_modules/react-native/sdks/hermesc/%OS-BIN%/"
 private const val HERMESC_BUILT_FROM_SOURCE_DIR =
     "node_modules/react-native/ReactAndroid/hermes-engine/build/hermes/bin/"

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

@@ -81,8 +81,9 @@ object PropertyUtils {
   const val INTERNAL_VERSION_NAME = "VERSION_NAME"
 
   /**
-   * Internal property, shared with iOS, used to control the version name of Hermes Engine. This is
-   * stored in sdks/hermes-engine/version.properties
+   * Internal properties, shared with iOS, used to control the version name of Hermes Engine. They
+   * are stored in sdks/hermes-engine/version.properties
    */
+  const val INTERNAL_HERMES_VERSION_NAME = "HERMES_VERSION_NAME"
   const val INTERNAL_HERMES_V1_VERSION_NAME = "HERMES_V1_VERSION_NAME"
 }

packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/DependencyUtilsTest.kt

@@ -289,7 +289,7 @@ class DependencyUtilsTest {
     val forcedModules = project.configurations.first().resolutionStrategy.forcedModules
     assertThat(forcedModules.any { it.toString() == "com.facebook.react:react-android:1.2.3" })
         .isTrue()
-    assertThat(forcedModules.any { it.toString() == "com.facebook.react:hermes-android:4.5.6" })
+    assertThat(forcedModules.any { it.toString() == "com.facebook.hermes:hermes-android:4.5.6" })
         .isTrue()
   }
 
@@ -324,11 +324,11 @@ class DependencyUtilsTest {
     val libForcedModules = libProject.configurations.first().resolutionStrategy.forcedModules
     assertThat(appForcedModules.any { it.toString() == "com.facebook.react:react-android:1.2.3" })
         .isTrue()
-    assertThat(appForcedModules.any { it.toString() == "com.facebook.react:hermes-android:4.5.6" })
+    assertThat(appForcedModules.any { it.toString() == "com.facebook.hermes:hermes-android:4.5.6" })
         .isTrue()
     assertThat(libForcedModules.any { it.toString() == "com.facebook.react:react-android:1.2.3" })
         .isTrue()
-    assertThat(libForcedModules.any { it.toString() == "com.facebook.react:hermes-android:4.5.6" })
+    assertThat(libForcedModules.any { it.toString() == "com.facebook.hermes:hermes-android:4.5.6" })
         .isTrue()
   }
 
@@ -381,11 +381,15 @@ class DependencyUtilsTest {
     val libForcedModules = libProject.configurations.first().resolutionStrategy.forcedModules
     assertThat(appForcedModules.any { it.toString() == "io.github.test:react-android:1.2.3" })
         .isTrue()
-    assertThat(appForcedModules.any { it.toString() == "io.github.test:hermes-android:4.5.6" })
+    assertThat(
+            appForcedModules.any { it.toString() == "io.github.test.hermes:hermes-android:4.5.6" }
+        )
         .isTrue()
     assertThat(libForcedModules.any { it.toString() == "io.github.test:react-android:1.2.3" })
         .isTrue()
-    assertThat(libForcedModules.any { it.toString() == "io.github.test:hermes-android:4.5.6" })
+    assertThat(
+            libForcedModules.any { it.toString() == "io.github.test.hermes:hermes-android:4.5.6" }
+        )
         .isTrue()
   }
 
@@ -438,7 +442,7 @@ class DependencyUtilsTest {
         )
         .isEqualTo(dependencySubstitutions[0].third)
     assertThat("com.facebook.react:hermes-engine").isEqualTo(dependencySubstitutions[1].first)
-    assertThat("com.facebook.react:hermes-android:0.42.0")
+    assertThat("com.facebook.hermes:hermes-android:0.42.0")
         .isEqualTo(dependencySubstitutions[1].second)
     assertThat(
             "The hermes-engine artifact was deprecated in favor of hermes-android due to https://github.com/facebook/react-native/issues/35210."
@@ -490,19 +494,26 @@ class DependencyUtilsTest {
         )
         .isEqualTo(dependencySubstitutions[0].third)
     assertThat("com.facebook.react:hermes-engine").isEqualTo(dependencySubstitutions[1].first)
-    assertThat("io.github.test:hermes-android:0.42.0").isEqualTo(dependencySubstitutions[1].second)
+    assertThat("io.github.test.hermes:hermes-android:0.42.0")
+        .isEqualTo(dependencySubstitutions[1].second)
     assertThat(
             "The hermes-engine artifact was deprecated in favor of hermes-android due to https://github.com/facebook/react-native/issues/35210."
         )
         .isEqualTo(dependencySubstitutions[1].third)
-    assertThat("com.facebook.react:react-android").isEqualTo(dependencySubstitutions[2].first)
-    assertThat("io.github.test:react-android:0.42.0").isEqualTo(dependencySubstitutions[2].second)
-    assertThat("The react-android dependency was modified to use the correct Maven group.")
+    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[2].first)
+    assertThat("io.github.test.hermes:hermes-android:0.42.0")
+        .isEqualTo(dependencySubstitutions[2].second)
+    assertThat("The hermes-android artifact was moved to com.facebook.hermes publishing group.")
         .isEqualTo(dependencySubstitutions[2].third)
-    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[3].first)
-    assertThat("io.github.test:hermes-android:0.42.0").isEqualTo(dependencySubstitutions[3].second)
-    assertThat("The hermes-android dependency was modified to use the correct Maven group.")
+    assertThat("com.facebook.react:react-android").isEqualTo(dependencySubstitutions[3].first)
+    assertThat("io.github.test:react-android:0.42.0").isEqualTo(dependencySubstitutions[3].second)
+    assertThat("The react-android dependency was modified to use the correct Maven group.")
         .isEqualTo(dependencySubstitutions[3].third)
+    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[4].first)
+    assertThat("io.github.test.hermes:hermes-android:0.42.0")
+        .isEqualTo(dependencySubstitutions[4].second)
+    assertThat("The hermes-android dependency was modified to use the correct Maven group.")
+        .isEqualTo(dependencySubstitutions[4].third)
   }
 
   @Test
@@ -532,15 +543,20 @@ class DependencyUtilsTest {
             "The hermes-engine artifact was deprecated in favor of hermes-android due to https://github.com/facebook/react-native/issues/35210."
         )
         .isEqualTo(dependencySubstitutions[1].third)
-    assertThat("com.facebook.react:react-android").isEqualTo(dependencySubstitutions[2].first)
-    assertThat("io.github.test:react-android:0.42.0").isEqualTo(dependencySubstitutions[2].second)
-    assertThat("The react-android dependency was modified to use the correct Maven group.")
-        .isEqualTo(dependencySubstitutions[2].third)
-    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[3].first)
+    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[2].first)
     assertThat("io.github.test.hermes:hermes-android:0.43.0")
-        .isEqualTo(dependencySubstitutions[3].second)
-    assertThat("The hermes-android dependency was modified to use the correct Maven group.")
+        .isEqualTo(dependencySubstitutions[2].second)
+    assertThat("The hermes-android artifact was moved to com.facebook.hermes publishing group.")
+        .isEqualTo(dependencySubstitutions[2].third)
+    assertThat("com.facebook.react:react-android").isEqualTo(dependencySubstitutions[3].first)
+    assertThat("io.github.test:react-android:0.42.0").isEqualTo(dependencySubstitutions[3].second)
+    assertThat("The react-android dependency was modified to use the correct Maven group.")
         .isEqualTo(dependencySubstitutions[3].third)
+    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[4].first)
+    assertThat("io.github.test.hermes:hermes-android:0.43.0")
+        .isEqualTo(dependencySubstitutions[4].second)
+    assertThat("The hermes-android dependency was modified to use the correct Maven group.")
+        .isEqualTo(dependencySubstitutions[4].third)
   }
 
   @Test
@@ -560,6 +576,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=1000.0.0
               HERMES_V1_VERSION_NAME=1000.0.0
               ANOTHER_PROPERTY=true
               """
@@ -596,6 +613,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=0.14.0
               HERMES_V1_VERSION_NAME=250829098.0.0-stable
               ANOTHER_PROPERTY=true
               """
@@ -609,7 +627,7 @@ class DependencyUtilsTest {
     val hermesV1VersionString = strings.hermesV1VersionString
 
     assertThat(versionString).isEqualTo("0.0.0-20221101-2019-cfe811ab1-SNAPSHOT")
-    assertThat(hermesVersionString).isEqualTo("0.0.0-20221101-2019-cfe811ab1-SNAPSHOT")
+    assertThat(hermesVersionString).isEqualTo("0.14.0")
     assertThat(hermesV1VersionString).isEqualTo("250829098.0.0-stable")
   }
 
@@ -661,6 +679,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=
               HERMES_V1_VERSION_NAME=
               ANOTHER_PROPERTY=true
               """
@@ -695,6 +714,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=
               HERMES_V1_VERSION_NAME=
               ANOTHER_PROPERTY=true
               """
@@ -726,6 +746,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=
               HERMES_V1_VERSION_NAME=
               ANOTHER_PROPERTY=true
               """

packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/PathUtilsTest.kt

@@ -155,21 +155,11 @@ class PathUtilsTest {
 
   @Test
   @WithOs(OS.MAC)
-  fun detectOSAwareHermesCommand_withBundledHermescInsideRN() {
-    tempFolder.newFolder("node_modules/react-native/sdks/hermesc/osx-bin/")
-    val expected = tempFolder.newFile("node_modules/react-native/sdks/hermesc/osx-bin/hermesc")
-
-    assertThat(detectOSAwareHermesCommand(tempFolder.root, "")).isEqualTo(expected.toString())
-  }
-
-  @Test
-  @WithOs(OS.MAC)
-  fun detectOSAwareHermesCommand_withHermesV1Enabled() {
+  fun detectOSAwareHermesCommand_withHermescFromNPM() {
     tempFolder.newFolder("node_modules/hermes-compiler/hermesc/osx-bin/")
     val expected = tempFolder.newFile("node_modules/hermes-compiler/hermesc/osx-bin/hermesc")
 
-    assertThat(detectOSAwareHermesCommand(tempFolder.root, "", hermesV1Enabled = true))
-        .isEqualTo(expected.toString())
+    assertThat(detectOSAwareHermesCommand(tempFolder.root, "")).isEqualTo(expected.toString())
   }
 
   @Test(expected = IllegalStateException::class)

packages/new-app-screen/src/NewAppScreen.js

@@ -123,7 +123,8 @@ function getHermesLabel(): React.Node {
 
   return (
     <ThemedText color="secondary" style={styles.label}>
-      JS Engine: Hermes
+      JS Engine: Hermes (
+      {global.HermesInternal.getRuntimeProperties?.()['OSS Release Version']})
     </ThemedText>
   );
 }

packages/polyfills/__tests__/consoleTimeStamp-itest.js

@@ -26,7 +26,9 @@ describe('console.timeStamp()', () => {
 
   it("doesn't throw when additional arguments are specified", () => {
     expect(() =>
-      console.timeStamp('label', 100, 500, 'Track', 'Group', 'error'),
+      console.timeStamp('label', 100, 500, 'Track', 'Group', 'error', {
+        tooltipText: 'Image processing failed',
+      }),
     ).not.toThrow();
   });
 

packages/react-native-babel-preset/src/configs/main.js

@@ -20,6 +20,10 @@ const EXCLUDED_FIRST_PARTY_PATHS = [
   /[/\\]private[/\\]react-native-fantom[/\\]/,
 ];
 
+// customTransformOptions may be strings from URL params, or booleans passed
+// programatically. For strings, handle them as Metro does when parsing URLs.
+const TRUE_VALS = new Set([true, 'true', '1']);
+
 function isTypeScriptSource(fileName) {
   return !!fileName && fileName.endsWith('.ts');
 }
@@ -55,6 +59,9 @@ const getPreset = (src, options) => {
 
   const isNull = src == null;
   const hasClass = isNull || src.indexOf('class') !== -1;
+  const preserveClasses = TRUE_VALS.has(
+    options?.customTransformOptions?.unstable_preserveClasses,
+  );
 
   const extraPlugins = [];
   const firstPartyPlugins = [];
@@ -91,7 +98,7 @@ const getPreset = (src, options) => {
     );
   }
 
-  if (hasClass) {
+  if (hasClass && !preserveClasses) {
     extraPlugins.push([require('@babel/plugin-transform-classes')]);
   }
 
@@ -235,7 +242,9 @@ const getPreset = (src, options) => {
           ],
           [require('babel-plugin-transform-flow-enums')],
           [require('@babel/plugin-transform-block-scoping')],
-          [require('@babel/plugin-transform-class-properties'), {loose}],
+          ...(preserveClasses
+            ? []
+            : [[require('@babel/plugin-transform-class-properties'), {loose}]]),
           [require('@babel/plugin-transform-private-methods'), {loose}],
           [
             require('@babel/plugin-transform-private-property-in-object'),

packages/react-native-codegen/e2e/deep_imports/__tests__/modules/GenerateModuleCpp-test.js

@@ -1,51 +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
- */
-
-'use strict';
-
-import type {SchemaType} from '../../../../src/CodegenSchema';
-
-const generator = require('../../../../src/generators/modules/GenerateModuleCpp');
-const {FlowParser} = require('../../../../src/parsers/flow/parser');
-const fs = require('fs');
-
-const FIXTURE_DIR = `${__dirname}/../../__test_fixtures__/modules`;
-
-const parser = new FlowParser();
-
-function getModules(): SchemaType {
-  const filenames: Array<string> = fs.readdirSync(FIXTURE_DIR);
-  return filenames.reduce<SchemaType>(
-    (accumulator, file) => {
-      const schema = parser.parseFile(`${FIXTURE_DIR}/${file}`);
-      return {
-        modules: {
-          ...accumulator.modules,
-          ...schema.modules,
-        },
-      };
-    },
-    {modules: {}},
-  );
-}
-
-describe('GenerateModuleCpp', () => {
-  it('can generate an implementation file NativeModule specs', () => {
-    const libName = 'RNCodegenModuleFixtures';
-    const output = generator.generate(libName, getModules(), undefined, false);
-    expect(output.get(libName + 'JSI-generated.cpp')).toMatchSnapshot();
-  });
-
-  it('can generate a header file NativeModule specs with assume nonnull enabled', () => {
-    const libName = 'RNCodegenModuleFixtures';
-    const output = generator.generate(libName, getModules(), undefined, true);
-    expect(output.get(libName + 'JSI-generated.cpp')).toMatchSnapshot();
-  });
-});

packages/react-native-codegen/src/generators/RNCodegen.js

@@ -36,7 +36,6 @@ const generateTests = require('./components/GenerateTests.js');
 const generateThirdPartyFabricComponentsProviderH = require('./components/GenerateThirdPartyFabricComponentsProviderH.js');
 const generateThirdPartyFabricComponentsProviderObjCpp = require('./components/GenerateThirdPartyFabricComponentsProviderObjCpp.js');
 const generateViewConfigJs = require('./components/GenerateViewConfigJs.js');
-const generateModuleCpp = require('./modules/GenerateModuleCpp.js');
 const generateModuleH = require('./modules/GenerateModuleH.js');
 const generateModuleJavaSpec = require('./modules/GenerateModuleJavaSpec.js');
 const generateModuleJniCpp = require('./modules/GenerateModuleJniCpp.js');
@@ -56,7 +55,6 @@ const ALL_GENERATORS = {
   generateStateCpp: generateStateCpp.generate,
   generateStateH: generateStateH.generate,
   generateModuleH: generateModuleH.generate,
-  generateModuleCpp: generateModuleCpp.generate,
   generateModuleObjCpp: generateModuleObjCpp.generate,
   generateModuleJavaSpec: generateModuleJavaSpec.generate,
   generateModuleJniCpp: generateModuleJniCpp.generate,
@@ -179,7 +177,7 @@ const LIBRARY_GENERATORS: LibraryGeneratorsFunctions = {
     generateModuleJniH.generate,
     generateModuleJavaSpec.generate,
   ],
-  modulesCxx: [generateModuleCpp.generate, generateModuleH.generate],
+  modulesCxx: [generateModuleH.generate],
   modulesIOS: [generateModuleObjCpp.generate],
   tests: [generateTests.generate],
   'shadow-nodes': [

packages/react-native-codegen/src/generators/modules/GenerateModuleCpp.js

@@ -1,296 +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
- * @format
- */
-
-'use strict';
-
-import type {
-  NamedShape,
-  NativeModuleEnumMap,
-  NativeModuleFunctionTypeAnnotation,
-  NativeModuleParamTypeAnnotation,
-  NativeModulePropertyShape,
-  NativeModuleTypeAnnotation,
-  Nullable,
-  SchemaType,
-} from '../../CodegenSchema';
-import type {AliasResolver} from './Utils';
-
-const {unwrapNullable} = require('../../parsers/parsers-commons');
-const {createAliasResolver, getModules} = require('./Utils');
-
-type FilesOutput = Map<string, string>;
-
-const HostFunctionTemplate = ({
-  hasteModuleName,
-  methodName,
-  returnTypeAnnotation,
-  args,
-}: $ReadOnly<{
-  hasteModuleName: string,
-  methodName: string,
-  returnTypeAnnotation: Nullable<NativeModuleTypeAnnotation>,
-  args: Array<string>,
-}>) => {
-  const isNullable = returnTypeAnnotation.type === 'NullableTypeAnnotation';
-  const isVoid = returnTypeAnnotation.type === 'VoidTypeAnnotation';
-  const methodCallArgs = ['    rt', ...args].join(',\n    ');
-  const methodCall = `static_cast<${hasteModuleName}CxxSpecJSI *>(&turboModule)->${methodName}(\n${methodCallArgs}\n  )`;
-
-  return `static jsi::Value __hostFunction_${hasteModuleName}CxxSpecJSI_${methodName}(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {${
-    isVoid
-      ? `\n  ${methodCall};`
-      : isNullable
-        ? `\n  auto result = ${methodCall};`
-        : ''
-  }
-  return ${
-    isVoid
-      ? 'jsi::Value::undefined()'
-      : isNullable
-        ? 'result ? jsi::Value(std::move(*result)) : jsi::Value::null()'
-        : methodCall
-  };
-}`;
-};
-
-const ModuleTemplate = ({
-  hasteModuleName,
-  hostFunctions,
-  moduleName,
-  methods,
-}: $ReadOnly<{
-  hasteModuleName: string,
-  hostFunctions: $ReadOnlyArray<string>,
-  moduleName: string,
-  methods: $ReadOnlyArray<$ReadOnly<{methodName: string, paramCount: number}>>,
-}>) => {
-  return `${hostFunctions.join('\n')}
-
-${hasteModuleName}CxxSpecJSI::${hasteModuleName}CxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule("${moduleName}", jsInvoker) {
-${methods
-  .map(({methodName, paramCount}) => {
-    return `  methodMap_["${methodName}"] = MethodMetadata {${paramCount}, __hostFunction_${hasteModuleName}CxxSpecJSI_${methodName}};`;
-  })
-  .join('\n')}
-}`;
-};
-
-const FileTemplate = ({
-  libraryName,
-  modules,
-}: $ReadOnly<{
-  libraryName: string,
-  modules: string,
-}>) => {
-  return `/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * ${'@'}generated by codegen project: GenerateModuleCpp.js
- */
-
-#include "${libraryName}JSI.h"
-
-namespace facebook::react {
-
-${modules}
-
-
-} // namespace facebook::react
-`;
-};
-
-type Param = NamedShape<Nullable<NativeModuleParamTypeAnnotation>>;
-
-function serializeArg(
-  moduleName: string,
-  arg: Param,
-  index: number,
-  resolveAlias: AliasResolver,
-  enumMap: NativeModuleEnumMap,
-): string {
-  const {typeAnnotation: nullableTypeAnnotation, optional} = arg;
-  const [typeAnnotation, nullable] =
-    unwrapNullable<NativeModuleParamTypeAnnotation>(nullableTypeAnnotation);
-
-  let realTypeAnnotation = typeAnnotation;
-  if (realTypeAnnotation.type === 'TypeAliasTypeAnnotation') {
-    realTypeAnnotation = resolveAlias(realTypeAnnotation.name);
-  }
-
-  function wrap(callback: (val: string) => string) {
-    const val = `args[${index}]`;
-    const expression = callback(val);
-
-    // param?: T
-    if (optional && !nullable) {
-      // throw new Error('are we hitting this case? ' + moduleName);
-      return `count <= ${index} || ${val}.isUndefined() ? std::nullopt : std::make_optional(${expression})`;
-    }
-
-    // param: ?T
-    // param?: ?T
-    if (nullable || optional) {
-      return `count <= ${index} || ${val}.isNull() || ${val}.isUndefined() ? std::nullopt : std::make_optional(${expression})`;
-    }
-
-    // param: T
-    return `count <= ${index} ? throw jsi::JSError(rt, "Expected argument in position ${index} to be passed") : ${expression}`;
-  }
-
-  switch (realTypeAnnotation.type) {
-    case 'ReservedTypeAnnotation':
-      switch (realTypeAnnotation.name) {
-        case 'RootTag':
-          return wrap(val => `${val}.asNumber()`);
-        default:
-          (realTypeAnnotation.name: empty);
-          throw new Error(
-            `Unknown prop type for "${arg.name}, found: ${realTypeAnnotation.name}"`,
-          );
-      }
-    case 'StringTypeAnnotation':
-      return wrap(val => `${val}.asString(rt)`);
-    case 'StringLiteralTypeAnnotation':
-      return wrap(val => `${val}.asString(rt)`);
-    case 'StringLiteralUnionTypeAnnotation':
-      return wrap(val => `${val}.asString(rt)`);
-    case 'BooleanTypeAnnotation':
-      return wrap(val => `${val}.asBool()`);
-    case 'EnumDeclaration':
-      switch (realTypeAnnotation.memberType) {
-        case 'NumberTypeAnnotation':
-          return wrap(val => `${val}.asNumber()`);
-        case 'StringTypeAnnotation':
-          return wrap(val => `${val}.asString(rt)`);
-        default:
-          throw new Error(
-            `Unknown enum type for "${arg.name}, found: ${realTypeAnnotation.type}"`,
-          );
-      }
-    case 'NumberTypeAnnotation':
-      return wrap(val => `${val}.asNumber()`);
-    case 'FloatTypeAnnotation':
-      return wrap(val => `${val}.asNumber()`);
-    case 'DoubleTypeAnnotation':
-      return wrap(val => `${val}.asNumber()`);
-    case 'Int32TypeAnnotation':
-      return wrap(val => `${val}.asNumber()`);
-    case 'NumberLiteralTypeAnnotation':
-      return wrap(val => `${val}.asNumber()`);
-    case 'ArrayTypeAnnotation':
-      return wrap(val => `${val}.asObject(rt).asArray(rt)`);
-    case 'FunctionTypeAnnotation':
-      return wrap(val => `${val}.asObject(rt).asFunction(rt)`);
-    case 'GenericObjectTypeAnnotation':
-      return wrap(val => `${val}.asObject(rt)`);
-    case 'UnionTypeAnnotation':
-      switch (typeAnnotation.memberType) {
-        case 'NumberTypeAnnotation':
-          return wrap(val => `${val}.asNumber()`);
-        case 'ObjectTypeAnnotation':
-          return wrap(val => `${val}.asObject(rt)`);
-        case 'StringTypeAnnotation':
-          return wrap(val => `${val}.asString(rt)`);
-        default:
-          throw new Error(
-            `Unsupported union member type for param  "${arg.name}, found: ${realTypeAnnotation.memberType}"`,
-          );
-      }
-    case 'ObjectTypeAnnotation':
-      return wrap(val => `${val}.asObject(rt)`);
-    case 'MixedTypeAnnotation':
-      return wrap(val => `jsi::Value(rt, ${val})`);
-    default:
-      (realTypeAnnotation.type: empty);
-      throw new Error(
-        `Unknown prop type for "${arg.name}, found: ${realTypeAnnotation.type}"`,
-      );
-  }
-}
-
-function serializePropertyIntoHostFunction(
-  moduleName: string,
-  hasteModuleName: string,
-  property: NativeModulePropertyShape,
-  resolveAlias: AliasResolver,
-  enumMap: NativeModuleEnumMap,
-): string {
-  const [propertyTypeAnnotation] =
-    unwrapNullable<NativeModuleFunctionTypeAnnotation>(property.typeAnnotation);
-
-  return HostFunctionTemplate({
-    hasteModuleName,
-    methodName: property.name,
-    returnTypeAnnotation: propertyTypeAnnotation.returnTypeAnnotation,
-    args: propertyTypeAnnotation.params.map((p, i) =>
-      serializeArg(moduleName, p, i, resolveAlias, enumMap),
-    ),
-  });
-}
-
-module.exports = {
-  generate(
-    libraryName: string,
-    schema: SchemaType,
-    packageName?: string,
-    assumeNonnull: boolean = false,
-    headerPrefix?: string,
-  ): FilesOutput {
-    const nativeModules = getModules(schema);
-
-    const modules = Object.keys(nativeModules)
-      .map((hasteModuleName: string) => {
-        const nativeModule = nativeModules[hasteModuleName];
-        const {
-          aliasMap,
-          enumMap,
-          spec: {methods},
-          moduleName,
-        } = nativeModule;
-        const resolveAlias = createAliasResolver(aliasMap);
-        const hostFunctions = methods.map(property =>
-          serializePropertyIntoHostFunction(
-            moduleName,
-            hasteModuleName,
-            property,
-            resolveAlias,
-            enumMap,
-          ),
-        );
-
-        return ModuleTemplate({
-          hasteModuleName,
-          hostFunctions,
-          moduleName,
-          methods: methods.map(
-            ({name: propertyName, typeAnnotation: nullableTypeAnnotation}) => {
-              const [{params}] = unwrapNullable(nullableTypeAnnotation);
-              return {
-                methodName: propertyName,
-                paramCount: params.length,
-              };
-            },
-          ),
-        });
-      })
-      .join('\n');
-
-    const fileName = `${libraryName}JSI-generated.cpp`;
-    const replacedTemplate = FileTemplate({
-      modules,
-      libraryName,
-    });
-    return new Map([[fileName, replacedTemplate]]);
-  },
-};

packages/react-native-codegen/src/generators/modules/GenerateModuleH.js

@@ -9,17 +9,17 @@
  */
 
 'use strict';
+
 import type {
   NamedShape,
-  NativeModuleBaseTypeAnnotation,
-} from '../../CodegenSchema';
-import type {
   NativeModuleAliasMap,
+  NativeModuleBaseTypeAnnotation,
   NativeModuleEnumMap,
   NativeModuleEnumMember,
   NativeModuleEnumMemberType,
   NativeModuleEventEmitterShape,
   NativeModuleFunctionTypeAnnotation,
+  NativeModuleParamTypeAnnotation,
   NativeModulePropertyShape,
   NativeModuleTypeAnnotation,
   Nullable,
@@ -30,7 +30,6 @@ import type {AliasResolver} from './Utils';
 const {unwrapNullable} = require('../../parsers/parsers-commons');
 const {wrapOptional} = require('../TypeUtils/Cxx');
 const {getEnumName, toPascalCase, toSafeCppString} = require('../Utils');
-const {indent} = require('../Utils');
 const {
   createAliasResolver,
   getModules,
@@ -40,74 +39,151 @@ const {
 
 type FilesOutput = Map<string, string>;
 
-const ModuleClassDeclarationTemplate = ({
-  hasteModuleName,
-  moduleProperties,
-  structs,
-  enums,
-}: $ReadOnly<{
-  hasteModuleName: string,
-  moduleProperties: string[],
-  structs: string,
-  enums: string,
-}>) => {
-  return `${enums}
-  ${structs}class JSI_EXPORT ${hasteModuleName}CxxSpecJSI : public TurboModule {
-protected:
-  ${hasteModuleName}CxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker);
+type Param = NamedShape<Nullable<NativeModuleParamTypeAnnotation>>;
 
-public:
-  ${indent(moduleProperties.join('\n'), 2)}
+function serializeArg(
+  moduleName: string,
+  arg: Param,
+  index: number,
+  resolveAlias: AliasResolver,
+  enumMap: NativeModuleEnumMap,
+): string {
+  const {typeAnnotation: nullableTypeAnnotation, optional} = arg;
+  const [typeAnnotation, nullable] =
+    unwrapNullable<NativeModuleParamTypeAnnotation>(nullableTypeAnnotation);
 
-};`;
-};
+  let realTypeAnnotation = typeAnnotation;
+  if (realTypeAnnotation.type === 'TypeAliasTypeAnnotation') {
+    realTypeAnnotation = resolveAlias(realTypeAnnotation.name);
+  }
+
+  function wrap(callback: (val: string) => string) {
+    const val = `args[${index}]`;
+    const expression = callback(val);
+
+    // param?: T
+    if (optional && !nullable) {
+      // throw new Error('are we hitting this case? ' + moduleName);
+      return `count <= ${index} || ${val}.isUndefined() ? std::nullopt : std::make_optional(${expression})`;
+    }
+
+    // param: ?T
+    // param?: ?T
+    if (nullable || optional) {
+      return `count <= ${index} || ${val}.isNull() || ${val}.isUndefined() ? std::nullopt : std::make_optional(${expression})`;
+    }
+
+    // param: T
+    return `count <= ${index} ? throw jsi::JSError(rt, "Expected argument in position ${index} to be passed") : ${expression}`;
+  }
+
+  switch (realTypeAnnotation.type) {
+    case 'ReservedTypeAnnotation':
+      switch (realTypeAnnotation.name) {
+        case 'RootTag':
+          return wrap(val => `${val}.asNumber()`);
+        default:
+          (realTypeAnnotation.name: empty);
+          throw new Error(
+            `Unknown prop type for "${arg.name}, found: ${realTypeAnnotation.name}"`,
+          );
+      }
+    case 'StringTypeAnnotation':
+      return wrap(val => `${val}.asString(rt)`);
+    case 'StringLiteralTypeAnnotation':
+      return wrap(val => `${val}.asString(rt)`);
+    case 'StringLiteralUnionTypeAnnotation':
+      return wrap(val => `${val}.asString(rt)`);
+    case 'BooleanTypeAnnotation':
+      return wrap(val => `${val}.asBool()`);
+    case 'EnumDeclaration':
+      switch (realTypeAnnotation.memberType) {
+        case 'NumberTypeAnnotation':
+          return wrap(val => `${val}.asNumber()`);
+        case 'StringTypeAnnotation':
+          return wrap(val => `${val}.asString(rt)`);
+        default:
+          throw new Error(
+            `Unknown enum type for "${arg.name}, found: ${realTypeAnnotation.type}"`,
+          );
+      }
+    case 'NumberTypeAnnotation':
+      return wrap(val => `${val}.asNumber()`);
+    case 'FloatTypeAnnotation':
+      return wrap(val => `${val}.asNumber()`);
+    case 'DoubleTypeAnnotation':
+      return wrap(val => `${val}.asNumber()`);
+    case 'Int32TypeAnnotation':
+      return wrap(val => `${val}.asNumber()`);
+    case 'NumberLiteralTypeAnnotation':
+      return wrap(val => `${val}.asNumber()`);
+    case 'ArrayTypeAnnotation':
+      return wrap(val => `${val}.asObject(rt).asArray(rt)`);
+    case 'FunctionTypeAnnotation':
+      return wrap(val => `${val}.asObject(rt).asFunction(rt)`);
+    case 'GenericObjectTypeAnnotation':
+      return wrap(val => `${val}.asObject(rt)`);
+    case 'UnionTypeAnnotation':
+      switch (typeAnnotation.memberType) {
+        case 'NumberTypeAnnotation':
+          return wrap(val => `${val}.asNumber()`);
+        case 'ObjectTypeAnnotation':
+          return wrap(val => `${val}.asObject(rt)`);
+        case 'StringTypeAnnotation':
+          return wrap(val => `${val}.asString(rt)`);
+        default:
+          throw new Error(
+            `Unsupported union member type for param  "${arg.name}, found: ${realTypeAnnotation.memberType}"`,
+          );
+      }
+    case 'ObjectTypeAnnotation':
+      return wrap(val => `${val}.asObject(rt)`);
+    case 'MixedTypeAnnotation':
+      return wrap(val => `jsi::Value(rt, ${val})`);
+    default:
+      (realTypeAnnotation.type: empty);
+      throw new Error(
+        `Unknown prop type for "${arg.name}, found: ${realTypeAnnotation.type}"`,
+      );
+  }
+}
 
 const ModuleSpecClassDeclarationTemplate = ({
   hasteModuleName,
   moduleName,
+  structs,
+  enums,
   moduleEventEmitters,
-  moduleProperties,
+  moduleFunctions,
+  methods,
 }: $ReadOnly<{
   hasteModuleName: string,
   moduleName: string,
+  structs: string,
+  enums: string,
   moduleEventEmitters: EventEmitterCpp[],
-  moduleProperties: string[],
+  moduleFunctions: string[],
+  methods: $ReadOnlyArray<$ReadOnly<{methodName: string, paramCount: number}>>,
 }>) => {
-  return `template <typename T>
+  return `${enums}${structs}
+template <typename T>
 class JSI_EXPORT ${hasteModuleName}CxxSpec : public TurboModule {
 public:
-  jsi::Value create(jsi::Runtime &rt, const jsi::PropNameID &propName) override {
-    return delegate_.create(rt, propName);
-  }
-
-  std::vector<jsi::PropNameID> getPropertyNames(jsi::Runtime& runtime) override {
-    return delegate_.getPropertyNames(runtime);
-  }
-
   static constexpr std::string_view kModuleName = "${moduleName}";
 
 protected:
-  ${hasteModuleName}CxxSpec(std::shared_ptr<CallInvoker> jsInvoker)
-    : TurboModule(std::string{${hasteModuleName}CxxSpec::kModuleName}, jsInvoker),
-      delegate_(reinterpret_cast<T*>(this), jsInvoker) {}
-${moduleEventEmitters.map(e => e.emitFunction).join('\n')}
-
+  ${hasteModuleName}CxxSpec(std::shared_ptr<CallInvoker> jsInvoker) : TurboModule(std::string{${hasteModuleName}CxxSpec::kModuleName}, jsInvoker) {
+${methods
+  .map(({methodName, paramCount}) => {
+    return `    methodMap_["${methodName}"] = MethodMetadata {.argCount = ${paramCount}, .invoker = __${methodName}};`;
+  })
+  .join(
+    '\n',
+  )}${moduleEventEmitters.length > 0 ? '\n' : ''}${moduleEventEmitters.map(e => e.registerEventEmitter).join('\n')}
+  }
+  ${moduleEventEmitters.map(e => e.emitFunction).join('\n')}
 private:
-  class Delegate : public ${hasteModuleName}CxxSpecJSI {
-  public:
-    Delegate(T *instance, std::shared_ptr<CallInvoker> jsInvoker) :
-      ${hasteModuleName}CxxSpecJSI(std::move(jsInvoker)), instance_(instance) {
-${moduleEventEmitters.map(e => e.registerEventEmitter).join('\n')}
-    }
-
-    ${indent(moduleProperties.join('\n'), 4)}
-
-  private:
-    friend class ${hasteModuleName}CxxSpec;
-    T *instance_;
-  };
-
-  Delegate delegate_;
+${moduleFunctions.join('\n\n')}
 };`;
 };
 
@@ -292,7 +368,7 @@ function createStructsString(
     return bridging::toJs(rt, value);
   }`,
         )
-        .join('\n\n');
+        .join('\n');
       return `
 #pragma mark - ${structName}
 
@@ -476,19 +552,19 @@ function createEnums(
     .join('\n');
 }
 
-function translatePropertyToCpp(
+function translateFunctionToCpp(
   hasteModuleName: string,
   prop: NativeModulePropertyShape,
   resolveAlias: AliasResolver,
   enumMap: NativeModuleEnumMap,
-  abstract: boolean = false,
+  args: Array<string>,
+  returnTypeAnnotation: Nullable<NativeModuleTypeAnnotation>,
 ): string {
   const [propTypeAnnotation] =
     unwrapNullable<NativeModuleFunctionTypeAnnotation>(prop.typeAnnotation);
 
-  const params = propTypeAnnotation.params.map(
-    param => `std::move(${param.name})`,
-  );
+  const isNullable = returnTypeAnnotation.type === 'NullableTypeAnnotation';
+  const isVoid = returnTypeAnnotation.type === 'VoidTypeAnnotation';
 
   const paramTypes = propTypeAnnotation.params.map(param => {
     const translatedParam = translatePrimitiveJSTypeToCpp(
@@ -503,6 +579,7 @@ function translatePropertyToCpp(
     );
     return `${translatedParam} ${param.name}`;
   });
+  paramTypes.unshift('jsi::Runtime &rt');
 
   const returnType = translatePrimitiveJSTypeToCpp(
     hasteModuleName,
@@ -514,23 +591,16 @@ function translatePropertyToCpp(
     enumMap,
   );
 
-  // The first param will always be the runtime reference.
-  paramTypes.unshift('jsi::Runtime &rt');
-
-  const method = `${returnType} ${prop.name}(${paramTypes.join(', ')})`;
-
-  if (abstract) {
-    return `virtual ${method} = 0;`;
+  let methodCallArgs = [...args].join(',\n      ');
+  if (methodCallArgs.length > 0) {
+    methodCallArgs = `,\n      ${methodCallArgs}`;
   }
 
-  return `${method} override {
-  static_assert(
+  return `  static jsi::Value __${prop.name}(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* ${args.length > 0 ? 'args' : '/*args*/'}, size_t ${args.length > 0 ? 'count' : '/*count*/'}) {
+    static_assert(
       bridging::getParameterCount(&T::${prop.name}) == ${paramTypes.length},
       "Expected ${prop.name}(...) to have ${paramTypes.length} parameters");
-
-  return bridging::callFromJs<${returnType}>(
-      rt, &T::${prop.name}, jsInvoker_, ${['instance_', ...params].join(', ')});
-}`;
+    ${!isVoid ? (!isNullable ? 'return ' : 'auto result = ') : ''}bridging::callFromJs<${returnType}>(rt, &T::${prop.name},  static_cast<${hasteModuleName}CxxSpec*>(&turboModule)->jsInvoker_, static_cast<T*>(&turboModule)${methodCallArgs});${!isVoid ? (!isNullable ? '' : 'return result ? jsi::Value(std::move(*result)) : jsi::Value::null();') : 'return jsi::Value::undefined();'}\n  }`;
 }
 
 type EventEmitterCpp = {
@@ -563,7 +633,7 @@ function translateEventEmitterToCpp(
   return {
     isVoidTypeAnnotation: isVoidTypeAnnotation,
     templateName: isVoidTypeAnnotation ? `/*${templateName}*/` : templateName,
-    registerEventEmitter: `      eventEmitterMap_["${
+    registerEventEmitter: `    eventEmitterMap_["${
       eventEmitter.name
     }"] = std::make_shared<AsyncEventEmitter<${
       isVoidTypeAnnotation ? '' : 'jsi::Value'
@@ -585,7 +655,7 @@ function translateEventEmitterToCpp(
   }
     static_cast<AsyncEventEmitter<${
       isVoidTypeAnnotation ? '' : 'jsi::Value'
-    }>&>(*delegate_.eventEmitterMap_["${eventEmitter.name}"]).emit(${
+    }>&>(*eventEmitterMap_["${eventEmitter.name}"]).emit(${
       isVoidTypeAnnotation
         ? ''
         : `[jsInvoker = jsInvoker_, eventValue = value](jsi::Runtime& rt) -> jsi::Value {
@@ -607,8 +677,14 @@ module.exports = {
     const nativeModules = getModules(schema);
 
     const modules = Object.keys(nativeModules).flatMap(hasteModuleName => {
-      const {aliasMap, enumMap, spec, moduleName} =
-        nativeModules[hasteModuleName];
+      const nativeModule = nativeModules[hasteModuleName];
+      const {
+        aliasMap,
+        enumMap,
+        spec: {methods},
+        spec,
+        moduleName,
+      } = nativeModule;
       const resolveAlias = createAliasResolver(aliasMap);
       const structs = createStructsString(
         hasteModuleName,
@@ -617,25 +693,12 @@ module.exports = {
         enumMap,
       );
       const enums = createEnums(hasteModuleName, enumMap, resolveAlias);
-
       return [
-        ModuleClassDeclarationTemplate({
-          hasteModuleName,
-          moduleProperties: spec.methods.map(prop =>
-            translatePropertyToCpp(
-              hasteModuleName,
-              prop,
-              resolveAlias,
-              enumMap,
-              true,
-            ),
-          ),
-          structs,
-          enums,
-        }),
         ModuleSpecClassDeclarationTemplate({
           hasteModuleName,
           moduleName,
+          structs,
+          enums,
           moduleEventEmitters: spec.eventEmitters.map(eventEmitter =>
             translateEventEmitterToCpp(
               moduleName,
@@ -644,13 +707,30 @@ module.exports = {
               enumMap,
             ),
           ),
-          moduleProperties: spec.methods.map(prop =>
-            translatePropertyToCpp(
+          moduleFunctions: spec.methods.map(property => {
+            const [propertyTypeAnnotation] =
+              unwrapNullable<NativeModuleFunctionTypeAnnotation>(
+                property.typeAnnotation,
+              );
+            return translateFunctionToCpp(
               hasteModuleName,
-              prop,
+              property,
               resolveAlias,
               enumMap,
-            ),
+              propertyTypeAnnotation.params.map((p, i) =>
+                serializeArg(moduleName, p, i, resolveAlias, enumMap),
+              ),
+              propertyTypeAnnotation.returnTypeAnnotation,
+            );
+          }),
+          methods: methods.map(
+            ({name: propertyName, typeAnnotation: nullableTypeAnnotation}) => {
+              const [{params}] = unwrapNullable(nullableTypeAnnotation);
+              return {
+                methodName: propertyName,
+                paramCount: params.length,
+              };
+            },
           ),
         }),
       ];

packages/react-native-codegen/src/generators/modules/__tests__/GenerateModuleCpp-test.js

@@ -1,32 +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
- */
-
-'use strict';
-
-const fixtures = require('../__test_fixtures__/fixtures.js');
-const generator = require('../GenerateModuleCpp.js');
-
-describe('GenerateModuleCpp', () => {
-  Object.keys(fixtures)
-    .sort()
-    .forEach(fixtureName => {
-      const fixture = fixtures[fixtureName];
-
-      it(`can generate fixture ${fixtureName}`, () => {
-        expect(
-          generator.generate(
-            fixtureName,
-            fixture,
-            'com.facebook.fbreact.specs',
-          ),
-        ).toMatchSnapshot();
-      });
-    });
-});

packages/react-native-codegen/src/generators/modules/__tests__/__snapshots__/GenerateModuleCpp-test.js.snap

@@ -1,782 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`GenerateModuleCpp can generate fixture SampleWithUppercaseName 1`] = `
-Map {
-  "SampleWithUppercaseNameJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"SampleWithUppercaseNameJSI.h\\"
-
-namespace facebook::react {
-
-
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule\\", jsInvoker) {
-
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture complex_objects 1`] = `
-Map {
-  "complex_objectsJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"complex_objectsJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_difficult(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->difficult(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_optionals(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->optionals(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_optionalMethod(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->optionalMethod(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asObject(rt).asFunction(rt),
-    count <= 2 || args[2].isUndefined() ? std::nullopt : std::make_optional(args[2].asObject(rt).asArray(rt))
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getArrays(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getArrays(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNullableObject(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  auto result = static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getNullableObject(
-    rt
-  );
-  return result ? jsi::Value(std::move(*result)) : jsi::Value::null();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNullableGenericObject(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  auto result = static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getNullableGenericObject(
-    rt
-  );
-  return result ? jsi::Value(std::move(*result)) : jsi::Value::null();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNullableArray(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  auto result = static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getNullableArray(
-    rt
-  );
-  return result ? jsi::Value(std::move(*result)) : jsi::Value::null();
-}
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule\\", jsInvoker) {
-  methodMap_[\\"difficult\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_difficult};
-  methodMap_[\\"optionals\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_optionals};
-  methodMap_[\\"optionalMethod\\"] = MethodMetadata {3, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_optionalMethod};
-  methodMap_[\\"getArrays\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getArrays};
-  methodMap_[\\"getNullableObject\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNullableObject};
-  methodMap_[\\"getNullableGenericObject\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNullableGenericObject};
-  methodMap_[\\"getNullableArray\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNullableArray};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture cxx_only_native_modules 1`] = `
-Map {
-  "cxx_only_native_modulesJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"cxx_only_native_modulesJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getArray(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getArray(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt).asArray(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getBool(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getBool(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asBool()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getConstants(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getConstants(
-    rt
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getCustomEnum(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getCustomEnum(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getCustomHostObject(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getCustomHostObject(
-    rt
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_consumeCustomHostObject(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->consumeCustomHostObject(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getBinaryTreeNode(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getBinaryTreeNode(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getGraphNode(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getGraphNode(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNumEnum(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getNumEnum(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getStrEnum(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getStrEnum(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getMap(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getMap(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNumber(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getNumber(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getObject(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getObject(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getSet(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getSet(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt).asArray(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getString(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getString(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getUnion(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getUnion(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber(),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asString(rt),
-    count <= 2 ? throw jsi::JSError(rt, \\"Expected argument in position 2 to be passed\\") : args[2].asString(rt),
-    count <= 3 ? throw jsi::JSError(rt, \\"Expected argument in position 3 to be passed\\") : args[3].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValue(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getValue(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber(),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asString(rt),
-    count <= 2 ? throw jsi::JSError(rt, \\"Expected argument in position 2 to be passed\\") : args[2].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithCallback(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getValueWithCallback(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt).asFunction(rt)
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithPromise(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getValueWithPromise(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asBool()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getWithWithOptionalArgs(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  auto result = static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getWithWithOptionalArgs(
-    rt,
-    count <= 0 || args[0].isUndefined() ? std::nullopt : std::make_optional(args[0].asBool())
-  );
-  return result ? jsi::Value(std::move(*result)) : jsi::Value::null();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFunc(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->voidFunc(
-    rt
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_setMenu(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->setMenu(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_emitCustomDeviceEvent(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->emitCustomDeviceEvent(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt)
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFuncThrows(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->voidFuncThrows(
-    rt
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getObjectThrows(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getObjectThrows(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFuncAssert(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->voidFuncAssert(
-    rt
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getObjectAssert(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getObjectAssert(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModuleCxx\\", jsInvoker) {
-  methodMap_[\\"getArray\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getArray};
-  methodMap_[\\"getBool\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getBool};
-  methodMap_[\\"getConstants\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getConstants};
-  methodMap_[\\"getCustomEnum\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getCustomEnum};
-  methodMap_[\\"getCustomHostObject\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getCustomHostObject};
-  methodMap_[\\"consumeCustomHostObject\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_consumeCustomHostObject};
-  methodMap_[\\"getBinaryTreeNode\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getBinaryTreeNode};
-  methodMap_[\\"getGraphNode\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getGraphNode};
-  methodMap_[\\"getNumEnum\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNumEnum};
-  methodMap_[\\"getStrEnum\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getStrEnum};
-  methodMap_[\\"getMap\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getMap};
-  methodMap_[\\"getNumber\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNumber};
-  methodMap_[\\"getObject\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getObject};
-  methodMap_[\\"getSet\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getSet};
-  methodMap_[\\"getString\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getString};
-  methodMap_[\\"getUnion\\"] = MethodMetadata {4, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getUnion};
-  methodMap_[\\"getValue\\"] = MethodMetadata {3, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValue};
-  methodMap_[\\"getValueWithCallback\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithCallback};
-  methodMap_[\\"getValueWithPromise\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithPromise};
-  methodMap_[\\"getWithWithOptionalArgs\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getWithWithOptionalArgs};
-  methodMap_[\\"voidFunc\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFunc};
-  methodMap_[\\"setMenu\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_setMenu};
-  methodMap_[\\"emitCustomDeviceEvent\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_emitCustomDeviceEvent};
-  methodMap_[\\"voidFuncThrows\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFuncThrows};
-  methodMap_[\\"getObjectThrows\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getObjectThrows};
-  methodMap_[\\"voidFuncAssert\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFuncAssert};
-  methodMap_[\\"getObjectAssert\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getObjectAssert};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture empty_native_modules 1`] = `
-Map {
-  "empty_native_modulesJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"empty_native_modulesJSI.h\\"
-
-namespace facebook::react {
-
-
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule\\", jsInvoker) {
-
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture event_emitter_module 1`] = `
-Map {
-  "event_emitter_moduleJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"event_emitter_moduleJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFunc(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->voidFunc(
-    rt
-  );
-  return jsi::Value::undefined();
-}
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule\\", jsInvoker) {
-  methodMap_[\\"voidFunc\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFunc};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture native_modules_with_type_aliases 1`] = `
-Map {
-  "native_modules_with_type_aliasesJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"native_modules_with_type_aliasesJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_AliasTurboModuleCxxSpecJSI_getConstants(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<AliasTurboModuleCxxSpecJSI *>(&turboModule)->getConstants(
-    rt
-  );
-}
-static jsi::Value __hostFunction_AliasTurboModuleCxxSpecJSI_cropImage(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<AliasTurboModuleCxxSpecJSI *>(&turboModule)->cropImage(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-  return jsi::Value::undefined();
-}
-
-AliasTurboModuleCxxSpecJSI::AliasTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"AliasTurboModule\\", jsInvoker) {
-  methodMap_[\\"getConstants\\"] = MethodMetadata {0, __hostFunction_AliasTurboModuleCxxSpecJSI_getConstants};
-  methodMap_[\\"cropImage\\"] = MethodMetadata {1, __hostFunction_AliasTurboModuleCxxSpecJSI_cropImage};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture real_module_example 1`] = `
-Map {
-  "real_module_exampleJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"real_module_exampleJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_NativeCameraRollManagerCxxSpecJSI_getConstants(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeCameraRollManagerCxxSpecJSI *>(&turboModule)->getConstants(
-    rt
-  );
-}
-static jsi::Value __hostFunction_NativeCameraRollManagerCxxSpecJSI_getPhotos(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeCameraRollManagerCxxSpecJSI *>(&turboModule)->getPhotos(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeCameraRollManagerCxxSpecJSI_saveToCameraRoll(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeCameraRollManagerCxxSpecJSI *>(&turboModule)->saveToCameraRoll(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asString(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeCameraRollManagerCxxSpecJSI_deletePhotos(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeCameraRollManagerCxxSpecJSI *>(&turboModule)->deletePhotos(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt).asArray(rt)
-  );
-}
-
-NativeCameraRollManagerCxxSpecJSI::NativeCameraRollManagerCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"CameraRollManager\\", jsInvoker) {
-  methodMap_[\\"getConstants\\"] = MethodMetadata {0, __hostFunction_NativeCameraRollManagerCxxSpecJSI_getConstants};
-  methodMap_[\\"getPhotos\\"] = MethodMetadata {1, __hostFunction_NativeCameraRollManagerCxxSpecJSI_getPhotos};
-  methodMap_[\\"saveToCameraRoll\\"] = MethodMetadata {2, __hostFunction_NativeCameraRollManagerCxxSpecJSI_saveToCameraRoll};
-  methodMap_[\\"deletePhotos\\"] = MethodMetadata {1, __hostFunction_NativeCameraRollManagerCxxSpecJSI_deletePhotos};
-}
-static jsi::Value __hostFunction_NativeExceptionsManagerCxxSpecJSI_reportFatalException(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeExceptionsManagerCxxSpecJSI *>(&turboModule)->reportFatalException(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asObject(rt).asArray(rt),
-    count <= 2 ? throw jsi::JSError(rt, \\"Expected argument in position 2 to be passed\\") : args[2].asNumber()
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeExceptionsManagerCxxSpecJSI_reportSoftException(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeExceptionsManagerCxxSpecJSI *>(&turboModule)->reportSoftException(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asObject(rt).asArray(rt),
-    count <= 2 ? throw jsi::JSError(rt, \\"Expected argument in position 2 to be passed\\") : args[2].asNumber()
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeExceptionsManagerCxxSpecJSI_reportException(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeExceptionsManagerCxxSpecJSI *>(&turboModule)->reportException(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeExceptionsManagerCxxSpecJSI_updateExceptionMessage(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeExceptionsManagerCxxSpecJSI *>(&turboModule)->updateExceptionMessage(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asObject(rt).asArray(rt),
-    count <= 2 ? throw jsi::JSError(rt, \\"Expected argument in position 2 to be passed\\") : args[2].asNumber()
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeExceptionsManagerCxxSpecJSI_dismissRedbox(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeExceptionsManagerCxxSpecJSI *>(&turboModule)->dismissRedbox(
-    rt
-  );
-  return jsi::Value::undefined();
-}
-
-NativeExceptionsManagerCxxSpecJSI::NativeExceptionsManagerCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"ExceptionsManager\\", jsInvoker) {
-  methodMap_[\\"reportFatalException\\"] = MethodMetadata {3, __hostFunction_NativeExceptionsManagerCxxSpecJSI_reportFatalException};
-  methodMap_[\\"reportSoftException\\"] = MethodMetadata {3, __hostFunction_NativeExceptionsManagerCxxSpecJSI_reportSoftException};
-  methodMap_[\\"reportException\\"] = MethodMetadata {1, __hostFunction_NativeExceptionsManagerCxxSpecJSI_reportException};
-  methodMap_[\\"updateExceptionMessage\\"] = MethodMetadata {3, __hostFunction_NativeExceptionsManagerCxxSpecJSI_updateExceptionMessage};
-  methodMap_[\\"dismissRedbox\\"] = MethodMetadata {0, __hostFunction_NativeExceptionsManagerCxxSpecJSI_dismissRedbox};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture simple_native_modules 1`] = `
-Map {
-  "simple_native_modulesJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"simple_native_modulesJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getConstants(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getConstants(
-    rt
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFunc(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->voidFunc(
-    rt
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getBool(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getBool(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asBool()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNumber(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getNumber(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getString(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getString(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getArray(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getArray(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt).asArray(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getObject(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getObject(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getRootTag(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getRootTag(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValue(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getValue(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber(),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asString(rt),
-    count <= 2 ? throw jsi::JSError(rt, \\"Expected argument in position 2 to be passed\\") : args[2].asObject(rt)
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getEnumReturn(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getEnumReturn(
-    rt
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithCallback(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getValueWithCallback(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asObject(rt).asFunction(rt)
-  );
-  return jsi::Value::undefined();
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithPromise(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getValueWithPromise(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asBool()
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithOptionalArg(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getValueWithOptionalArg(
-    rt,
-    count <= 0 || args[0].isUndefined() ? std::nullopt : std::make_optional(args[0].asObject(rt))
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getEnums(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getEnums(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber(),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asNumber(),
-    count <= 2 ? throw jsi::JSError(rt, \\"Expected argument in position 2 to be passed\\") : args[2].asString(rt)
-  );
-}
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule\\", jsInvoker) {
-  methodMap_[\\"getConstants\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getConstants};
-  methodMap_[\\"voidFunc\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFunc};
-  methodMap_[\\"getBool\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getBool};
-  methodMap_[\\"getNumber\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getNumber};
-  methodMap_[\\"getString\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getString};
-  methodMap_[\\"getArray\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getArray};
-  methodMap_[\\"getObject\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getObject};
-  methodMap_[\\"getRootTag\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getRootTag};
-  methodMap_[\\"getValue\\"] = MethodMetadata {3, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValue};
-  methodMap_[\\"getEnumReturn\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getEnumReturn};
-  methodMap_[\\"getValueWithCallback\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithCallback};
-  methodMap_[\\"getValueWithPromise\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithPromise};
-  methodMap_[\\"getValueWithOptionalArg\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getValueWithOptionalArg};
-  methodMap_[\\"getEnums\\"] = MethodMetadata {3, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getEnums};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture string_literals 1`] = `
-Map {
-  "string_literalsJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"string_literalsJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getStringLiteral(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getStringLiteral(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asString(rt)
-  );
-}
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule\\", jsInvoker) {
-  methodMap_[\\"getStringLiteral\\"] = MethodMetadata {1, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getStringLiteral};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture two_modules_different_files 1`] = `
-Map {
-  "two_modules_different_filesJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"two_modules_different_filesJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFunc(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->voidFunc(
-    rt
-  );
-  return jsi::Value::undefined();
-}
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule\\", jsInvoker) {
-  methodMap_[\\"voidFunc\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_voidFunc};
-}
-static jsi::Value __hostFunction_NativeSampleTurboModule2CxxSpecJSI_getConstants(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModule2CxxSpecJSI *>(&turboModule)->getConstants(
-    rt
-  );
-}
-static jsi::Value __hostFunction_NativeSampleTurboModule2CxxSpecJSI_voidFunc(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  static_cast<NativeSampleTurboModule2CxxSpecJSI *>(&turboModule)->voidFunc(
-    rt
-  );
-  return jsi::Value::undefined();
-}
-
-NativeSampleTurboModule2CxxSpecJSI::NativeSampleTurboModule2CxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule2\\", jsInvoker) {
-  methodMap_[\\"getConstants\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModule2CxxSpecJSI_getConstants};
-  methodMap_[\\"voidFunc\\"] = MethodMetadata {0, __hostFunction_NativeSampleTurboModule2CxxSpecJSI_voidFunc};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;
-
-exports[`GenerateModuleCpp can generate fixture union_module 1`] = `
-Map {
-  "union_moduleJSI-generated.cpp" => "/**
- * This code was generated by [react-native-codegen](https://www.npmjs.com/package/react-native-codegen).
- *
- * Do not edit this file as changes may cause incorrect behavior and will be lost
- * once the code is regenerated.
- *
- * @generated by codegen project: GenerateModuleCpp.js
- */
-
-#include \\"union_moduleJSI.h\\"
-
-namespace facebook::react {
-
-static jsi::Value __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getUnion(jsi::Runtime &rt, TurboModule &turboModule, const jsi::Value* args, size_t count) {
-  return static_cast<NativeSampleTurboModuleCxxSpecJSI *>(&turboModule)->getUnion(
-    rt,
-    count <= 0 ? throw jsi::JSError(rt, \\"Expected argument in position 0 to be passed\\") : args[0].asNumber(),
-    count <= 1 ? throw jsi::JSError(rt, \\"Expected argument in position 1 to be passed\\") : args[1].asNumber(),
-    count <= 2 ? throw jsi::JSError(rt, \\"Expected argument in position 2 to be passed\\") : args[2].asObject(rt),
-    count <= 3 ? throw jsi::JSError(rt, \\"Expected argument in position 3 to be passed\\") : args[3].asString(rt),
-    count <= 4 ? throw jsi::JSError(rt, \\"Expected argument in position 4 to be passed\\") : args[4].asString(rt)
-  );
-}
-
-NativeSampleTurboModuleCxxSpecJSI::NativeSampleTurboModuleCxxSpecJSI(std::shared_ptr<CallInvoker> jsInvoker)
-  : TurboModule(\\"SampleTurboModule\\", jsInvoker) {
-  methodMap_[\\"getUnion\\"] = MethodMetadata {5, __hostFunction_NativeSampleTurboModuleCxxSpecJSI_getUnion};
-}
-
-
-} // namespace facebook::react
-",
-}
-`;

packages/react-native/Libraries/Animated/nodes/AnimatedColor.js

@@ -110,6 +110,27 @@ function isRgbaAnimatedValue(value: any): boolean {
   );
 }
 
+export function getRgbaValueAndNativeColor(
+  value: RgbaValue | ColorValue,
+): $ReadOnly<{
+  rgbaValue: RgbaValue,
+  nativeColor?: NativeColorValue,
+}> {
+  const processedColor: RgbaValue | NativeColorValue =
+    // $FlowFixMe[incompatible-type] - Type is verified above
+    processColor((value: ColorValue | RgbaValue)) ?? defaultColor;
+  if (isRgbaValue(processedColor)) {
+    // $FlowFixMe[incompatible-type] - Type is verified above
+    return {rgbaValue: (processedColor: RgbaValue)};
+  } else {
+    return {
+      // $FlowFixMe[incompatible-type] - Type is verified above
+      nativeColor: (processedColor: NativeColorValue),
+      rgbaValue: defaultColor,
+    };
+  }
+}
+
 export default class AnimatedColor extends AnimatedWithChildren {
   r: AnimatedValue;
   g: AnimatedValue;
@@ -132,18 +153,13 @@ export default class AnimatedColor extends AnimatedWithChildren {
       this.b = rgbaAnimatedValue.b;
       this.a = rgbaAnimatedValue.a;
     } else {
-      const processedColor: RgbaValue | NativeColorValue =
+      const {rgbaValue: initColor, nativeColor} = getRgbaValueAndNativeColor(
         // $FlowFixMe[incompatible-type] - Type is verified above
-        processColor((value: ColorValue | RgbaValue)) ?? defaultColor;
-      let initColor: RgbaValue = defaultColor;
-      if (isRgbaValue(processedColor)) {
-        // $FlowFixMe[incompatible-type] - Type is verified above
-        initColor = (processedColor: RgbaValue);
-      } else {
-        // $FlowFixMe[incompatible-type] - Type is verified above
-        this.nativeColor = (processedColor: NativeColorValue);
+        (value: ColorValue | RgbaValue),
+      );
+      if (nativeColor) {
+        this.nativeColor = nativeColor;
       }
-
       this.r = new AnimatedValue(initColor.r);
       this.g = new AnimatedValue(initColor.g);
       this.b = new AnimatedValue(initColor.b);

packages/react-native/Libraries/AppDelegate/RCTAppSetupUtils.mm

@@ -120,6 +120,7 @@ std::unique_ptr<facebook::react::JSExecutorFactory> RCTAppSetupDefaultJsExecutor
     RCTTurboModuleManager *turboModuleManager,
     const std::shared_ptr<facebook::react::RuntimeScheduler> &runtimeScheduler)
 {
+#ifndef RCT_REMOVE_LEGACY_ARCH
   // Necessary to allow NativeModules to lookup TurboModules
   [bridge setRCTTurboModuleRegistry:turboModuleManager];
 
@@ -146,12 +147,18 @@ std::unique_ptr<facebook::react::JSExecutorFactory> RCTAppSetupDefaultJsExecutor
   return std::make_unique<facebook::react::HermesExecutorFactory>(
       facebook::react::RCTJSIExecutorRuntimeInstaller(runtimeInstallerLambda));
 #endif
+#else
+  // This method should not be invoked in the New Arch. So when Legacy Arch is removed, we can
+  // safly return a nullptr.
+  return nullptr;
+#endif
 }
 
 std::unique_ptr<facebook::react::JSExecutorFactory> RCTAppSetupJsExecutorFactoryForOldArch(
     RCTBridge *bridge,
     const std::shared_ptr<facebook::react::RuntimeScheduler> &runtimeScheduler)
 {
+#ifndef RCT_REMOVE_LEGACY_ARCH
   auto runtimeInstallerLambda = [bridge, runtimeScheduler](facebook::jsi::Runtime &runtime) {
     if (!bridge) {
       return;
@@ -164,4 +171,9 @@ std::unique_ptr<facebook::react::JSExecutorFactory> RCTAppSetupJsExecutorFactory
   return std::make_unique<facebook::react::HermesExecutorFactory>(
       facebook::react::RCTJSIExecutorRuntimeInstaller(runtimeInstallerLambda));
 #endif
+#else
+  // This method should not be invoked in the New Arch. So when Legacy Arch is removed, we can
+  // safly return a nullptr.
+  return nullptr;
+#endif
 }

packages/react-native/Libraries/AppDelegate/RCTReactNativeFactory.mm

@@ -261,7 +261,12 @@ using namespace facebook::react;
 
   configuration.sourceURLForBridge = ^NSURL *_Nullable(RCTBridge *_Nonnull bridge)
   {
+#ifndef RCT_REMOVE_LEGACY_ARCH
     return [weakSelf.delegate sourceURLForBridge:bridge];
+#else
+    // When the Legacy Arch is removed, the Delegate does not have a sourceURLForBridge method
+    return [weakSelf.delegate bundleURL];
+#endif
   };
 
   if ([self.delegate respondsToSelector:@selector(extraModulesForBridge:)]) {
@@ -275,13 +280,24 @@ using namespace facebook::react;
     configuration.extraLazyModuleClassesForBridge =
         ^NSDictionary<NSString *, Class> *_Nonnull(RCTBridge *_Nonnull bridge)
     {
+#ifndef RCT_REMOVE_LEGACY_ARCH
       return [weakSelf.delegate extraLazyModuleClassesForBridge:bridge];
+#else
+      // When the Legacy Arch is removed, the Delegate does not have a extraLazyModuleClassesForBridge method
+      return @{};
+#endif
     };
   }
 
   if ([self.delegate respondsToSelector:@selector(bridge:didNotFindModule:)]) {
     configuration.bridgeDidNotFindModule = ^BOOL(RCTBridge *_Nonnull bridge, NSString *_Nonnull moduleName) {
+#ifndef RCT_REMOVE_LEGACY_ARCH
       return [weakSelf.delegate bridge:bridge didNotFindModule:moduleName];
+#else
+      // When the Legacy Arch is removed, the Delegate does not have a bridge:didNotFindModule method
+      // We return NO, because if we have invoked this method is unlikely that the module will be actually registered
+      return NO;
+#endif
     };
   }
 
@@ -290,13 +306,30 @@ using namespace facebook::react;
         ^(RCTBridge *_Nonnull bridge,
           RCTSourceLoadProgressBlock _Nonnull onProgress,
           RCTSourceLoadBlock _Nonnull loadCallback) {
+#ifndef RCT_REMOVE_LEGACY_ARCH
           [weakSelf.delegate loadSourceForBridge:bridge onProgress:onProgress onComplete:loadCallback];
+#else
+          // When the Legacy Arch is removed, the Delegate does not have a
+          // loadSourceForBridge:onProgress:onComplete: method
+          // We then call the loadBundleAtURL:onProgress:onComplete: instead
+          [weakSelf.delegate loadBundleAtURL:self.bundleURL onProgress:onProgress onComplete:loadCallback];
+#endif
         };
   }
 
   if ([self.delegate respondsToSelector:@selector(loadSourceForBridge:withBlock:)]) {
     configuration.loadSourceForBridge = ^(RCTBridge *_Nonnull bridge, RCTSourceLoadBlock _Nonnull loadCallback) {
+#ifndef RCT_REMOVE_LEGACY_ARCH
       [weakSelf.delegate loadSourceForBridge:bridge withBlock:loadCallback];
+#else
+      // When the Legacy Arch is removed, the Delegate does not have a
+      // loadSourceForBridge:withBlock: method
+      // We then call the loadBundleAtURL:onProgress:onComplete: instead
+      [weakSelf.delegate loadBundleAtURL:self.bundleURL
+                              onProgress:^(RCTLoadingProgress *progressData) {
+                              }
+                              onComplete:loadCallback];
+#endif
     };
   }
 

packages/react-native/Libraries/Blob/RCTFileReaderModule.mm

@@ -24,11 +24,9 @@ RCT_EXPORT_MODULE(FileReaderModule)
 
 @synthesize moduleRegistry = _moduleRegistry;
 
-RCT_EXPORT_METHOD(readAsText
-                  : (NSDictionary<NSString *, id> *)blob encoding
-                  : (NSString *)encoding resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    readAsText : (NSDictionary<NSString *, id> *)blob encoding : (NSString *)encoding resolve : (RCTPromiseResolveBlock)
+        resolve reject : (RCTPromiseRejectBlock)reject)
 {
   RCTBlobManager *blobManager = [_moduleRegistry moduleForName:"BlobModule"];
   dispatch_async(blobManager.methodQueue, ^{
@@ -56,10 +54,9 @@ RCT_EXPORT_METHOD(readAsText
   });
 }
 
-RCT_EXPORT_METHOD(readAsDataURL
-                  : (NSDictionary<NSString *, id> *)blob resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    readAsDataURL : (NSDictionary<NSString *, id> *)blob resolve : (RCTPromiseResolveBlock)
+        resolve reject : (RCTPromiseRejectBlock)reject)
 {
   RCTBlobManager *blobManager = [_moduleRegistry moduleForName:"BlobModule"];
   dispatch_async(blobManager.methodQueue, ^{

packages/react-native/Libraries/Components/AccessibilityInfo/AccessibilityInfo.js

@@ -99,7 +99,7 @@ const AccessibilityInfo = {
             reject,
           );
         } else {
-          reject(null);
+          reject(new Error('NativeAccessibilityManagerIOS is not available'));
         }
       });
     }
@@ -119,7 +119,11 @@ const AccessibilityInfo = {
         if (NativeAccessibilityInfoAndroid?.isGrayscaleEnabled != null) {
           NativeAccessibilityInfoAndroid.isGrayscaleEnabled(resolve);
         } else {
-          reject(null);
+          reject(
+            new Error(
+              'NativeAccessibilityInfoAndroid.isGrayscaleEnabled is not available',
+            ),
+          );
         }
       });
     } else {
@@ -130,7 +134,7 @@ const AccessibilityInfo = {
             reject,
           );
         } else {
-          reject(null);
+          reject(new Error('AccessibilityInfo native module is not available'));
         }
       });
     }
@@ -150,7 +154,11 @@ const AccessibilityInfo = {
         if (NativeAccessibilityInfoAndroid?.isInvertColorsEnabled != null) {
           NativeAccessibilityInfoAndroid.isInvertColorsEnabled(resolve);
         } else {
-          reject(null);
+          reject(
+            new Error(
+              'NativeAccessibilityInfoAndroid.isInvertColorsEnabled is not available',
+            ),
+          );
         }
       });
     } else {
@@ -161,7 +169,7 @@ const AccessibilityInfo = {
             reject,
           );
         } else {
-          reject(null);
+          reject(new Error('AccessibilityInfo native module is not available'));
         }
       });
     }
@@ -181,7 +189,7 @@ const AccessibilityInfo = {
         if (NativeAccessibilityInfoAndroid != null) {
           NativeAccessibilityInfoAndroid.isReduceMotionEnabled(resolve);
         } else {
-          reject(null);
+          reject(new Error('AccessibilityInfo native module is not available'));
         }
       } else {
         if (NativeAccessibilityManagerIOS != null) {
@@ -190,7 +198,7 @@ const AccessibilityInfo = {
             reject,
           );
         } else {
-          reject(null);
+          reject(new Error('NativeAccessibilityManagerIOS is not available'));
         }
       }
     });
@@ -208,7 +216,11 @@ const AccessibilityInfo = {
         if (NativeAccessibilityInfoAndroid?.isHighTextContrastEnabled != null) {
           NativeAccessibilityInfoAndroid.isHighTextContrastEnabled(resolve);
         } else {
-          reject(null);
+          reject(
+            new Error(
+              'NativeAccessibilityInfoAndroid.isHighTextContrastEnabled is not available',
+            ),
+          );
         }
       } else {
         return Promise.resolve(false);
@@ -236,7 +248,11 @@ const AccessibilityInfo = {
             reject,
           );
         } else {
-          reject(null);
+          reject(
+            new Error(
+              'NativeAccessibilityManagerIOS.getCurrentDarkerSystemColorsState is not available',
+            ),
+          );
         }
       }
     });
@@ -264,7 +280,11 @@ const AccessibilityInfo = {
             reject,
           );
         } else {
-          reject(null);
+          reject(
+            new Error(
+              'NativeAccessibilityManagerIOS.getCurrentPrefersCrossFadeTransitionsState is not available',
+            ),
+          );
         }
       }
     });
@@ -289,7 +309,7 @@ const AccessibilityInfo = {
             reject,
           );
         } else {
-          reject(null);
+          reject(new Error('NativeAccessibilityManagerIOS is not available'));
         }
       });
     }
@@ -309,7 +329,7 @@ const AccessibilityInfo = {
         if (NativeAccessibilityInfoAndroid != null) {
           NativeAccessibilityInfoAndroid.isTouchExplorationEnabled(resolve);
         } else {
-          reject(null);
+          reject(new Error('NativeAccessibilityInfoAndroid is not available'));
         }
       } else {
         if (NativeAccessibilityManagerIOS != null) {
@@ -318,7 +338,7 @@ const AccessibilityInfo = {
             reject,
           );
         } else {
-          reject(null);
+          reject(new Error('NativeAccessibilityManagerIOS is not available'));
         }
       }
     });
@@ -343,10 +363,18 @@ const AccessibilityInfo = {
         ) {
           NativeAccessibilityInfoAndroid.isAccessibilityServiceEnabled(resolve);
         } else {
-          reject(null);
+          reject(
+            new Error(
+              'NativeAccessibilityInfoAndroid.isAccessibilityServiceEnabled is not available',
+            ),
+          );
         }
       } else {
-        reject(null);
+        reject(
+          new Error(
+            'isAccessibilityServiceEnabled is only available on Android',
+          ),
+        );
       }
     });
   },

packages/react-native/Libraries/Components/ActivityIndicator/ActivityIndicator.d.ts

@@ -9,7 +9,7 @@
 
 import type * as React from 'react';
 import {Constructor} from '../../../types/private/Utilities';
-import {NativeMethods} from '../../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../../types/public/ReactNativeTypes';
 import {ColorValue, StyleProp} from '../../StyleSheet/StyleSheet';
 import {ViewStyle} from '../../StyleSheet/StyleSheetTypes';
 import {LayoutChangeEvent} from '../../Types/CoreEventTypes';
@@ -46,7 +46,7 @@ export interface ActivityIndicatorProps extends ViewProps {
 }
 
 declare class ActivityIndicatorComponent extends React.Component<ActivityIndicatorProps> {}
-declare const ActivityIndicatorBase: Constructor<NativeMethods> &
+declare const ActivityIndicatorBase: Constructor<HostInstance> &
   typeof ActivityIndicatorComponent;
 export class ActivityIndicator extends ActivityIndicatorBase {}
 

packages/react-native/Libraries/Components/DrawerAndroid/DrawerLayoutAndroid.d.ts

@@ -9,7 +9,7 @@
 
 import type * as React from 'react';
 import {Constructor} from '../../../types/private/Utilities';
-import {NativeMethods} from '../../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../../types/public/ReactNativeTypes';
 import {ColorValue} from '../../StyleSheet/StyleSheet';
 import {
   NativeSyntheticEvent,
@@ -121,7 +121,7 @@ interface DrawerPosition {
 }
 
 declare class DrawerLayoutAndroidComponent extends React.Component<DrawerLayoutAndroidProps> {}
-declare const DrawerLayoutAndroidBase: Constructor<NativeMethods> &
+declare const DrawerLayoutAndroidBase: Constructor<HostInstance> &
   typeof DrawerLayoutAndroidComponent;
 export class DrawerLayoutAndroid extends DrawerLayoutAndroidBase {
   /**

packages/react-native/Libraries/Components/ProgressBarAndroid/ProgressBarAndroid.d.ts

@@ -9,7 +9,7 @@
 
 import type * as React from 'react';
 import {Constructor} from '../../../types/private/Utilities';
-import {NativeMethods} from '../../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../../types/public/ReactNativeTypes';
 import {ColorValue} from '../../StyleSheet/StyleSheet';
 import {ViewProps} from '../View/ViewPropTypes';
 
@@ -72,7 +72,7 @@ export interface ProgressBarAndroidProps extends ViewProps {
  * that the app is loading or there is some activity in the app.
  */
 declare class ProgressBarAndroidComponent extends React.Component<ProgressBarAndroidProps> {}
-declare const ProgressBarAndroidBase: Constructor<NativeMethods> &
+declare const ProgressBarAndroidBase: Constructor<HostInstance> &
   typeof ProgressBarAndroidComponent;
 /**
  * ProgressBarAndroid has been extracted from react-native core and will be removed in a future release.

packages/react-native/Libraries/Components/RefreshControl/RefreshControl.d.ts

@@ -9,7 +9,7 @@
 
 import type * as React from 'react';
 import {Constructor} from '../../../types/private/Utilities';
-import {NativeMethods} from '../../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../../types/public/ReactNativeTypes';
 import {ColorValue} from '../../StyleSheet/StyleSheet';
 import {ViewProps} from '../View/ViewPropTypes';
 
@@ -80,7 +80,7 @@ export interface RefreshControlProps
  * in the `onRefresh` function otherwise the refresh indicator will stop immediately.
  */
 declare class RefreshControlComponent extends React.Component<RefreshControlProps> {}
-declare const RefreshControlBase: Constructor<NativeMethods> &
+declare const RefreshControlBase: Constructor<HostInstance> &
   typeof RefreshControlComponent;
 export class RefreshControl extends RefreshControlBase {
   static SIZE: Object; // Undocumented

packages/react-native/Libraries/Components/SafeAreaView/SafeAreaView.d.ts

@@ -9,7 +9,7 @@
 
 import type * as React from 'react';
 import {Constructor} from '../../../types/private/Utilities';
-import {NativeMethods} from '../../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../../types/public/ReactNativeTypes';
 import {ViewProps} from '../View/ViewPropTypes';
 
 /**
@@ -23,7 +23,7 @@ import {ViewProps} from '../View/ViewPropTypes';
  */
 declare class SafeAreaViewComponent extends React.Component<ViewProps> {}
 
-declare const SafeAreaViewBase: Constructor<NativeMethods> &
+declare const SafeAreaViewBase: Constructor<HostInstance> &
   typeof SafeAreaViewComponent;
 
 /**

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

@@ -12,12 +12,10 @@ import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
 
 import type {HostInstance} from 'react-native';
 
-import ensureInstance from '../../../../src/private/__tests__/utilities/ensureInstance';
 import * as Fantom from '@react-native/fantom';
 import * as React from 'react';
 import {createRef} from 'react';
 import {ScrollView} from 'react-native';
-import ReactNativeElement from 'react-native/src/private/webapis/dom/nodes/ReactNativeElement';
 
 describe('onScroll', () => {
   it('delivers onScroll event', () => {
@@ -36,11 +34,9 @@ describe('onScroll', () => {
       );
     });
 
-    const element = ensureInstance(scrollViewRef.current, ReactNativeElement);
-
     Fantom.runOnUIThread(() => {
       Fantom.enqueueNativeEvent(
-        element,
+        scrollViewRef,
         'scroll',
         {
           contentOffset: {
@@ -80,11 +76,9 @@ describe('onScroll', () => {
       );
     });
 
-    const element = ensureInstance(scrollViewRef.current, ReactNativeElement);
-
     Fantom.runOnUIThread(() => {
       Fantom.enqueueNativeEvent(
-        element,
+        scrollViewRef,
         'scroll',
         {
           contentOffset: {
@@ -97,7 +91,7 @@ describe('onScroll', () => {
         },
       );
       Fantom.enqueueNativeEvent(
-        element,
+        scrollViewRef,
         'scroll',
         {
           contentOffset: {

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

@@ -13,13 +13,11 @@ import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
 
 import type {HostInstance} from 'react-native';
 
-import ensureInstance from '../../../../src/private/__tests__/utilities/ensureInstance';
 import * as Fantom from '@react-native/fantom';
 import nullthrows from 'nullthrows';
 import * as React from 'react';
 import {createRef, useState} from 'react';
 import {FlatList, Modal, ScrollView, View} from 'react-native';
-import ReactNativeElement from 'react-native/src/private/webapis/dom/nodes/ReactNativeElement';
 
 test('basic culling', () => {
   const root = Fantom.createRoot({viewportWidth: 100, viewportHeight: 100});
@@ -46,9 +44,7 @@ test('basic culling', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 60,
   });
@@ -61,7 +57,7 @@ test('basic culling', () => {
     'Update {type: "ScrollView", nativeID: (N/A)}',
   ]);
 
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 0,
   });
@@ -118,10 +114,8 @@ test('recursive culling', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
   // === Scroll down to the edge of child AA ===
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 30,
   });
@@ -132,7 +126,7 @@ test('recursive culling', () => {
 
   // === Scroll down past child AA ===
 
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 36,
   });
@@ -144,7 +138,7 @@ test('recursive culling', () => {
   ]);
 
   // === Scroll down past child AB ===
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 51,
   });
@@ -156,7 +150,7 @@ test('recursive culling', () => {
   ]);
 
   // === Scroll down past element A ===
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 56,
   });
@@ -168,7 +162,7 @@ test('recursive culling', () => {
   ]);
 
   // Scroll element B into viewport. Just child BA should be created.
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 155,
   });
@@ -182,7 +176,7 @@ test('recursive culling', () => {
   ]);
 
   // Scroll child BA into viewport.
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 165,
   });
@@ -194,7 +188,7 @@ test('recursive culling', () => {
   ]);
 
   // Scroll back to start
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 0,
   });
@@ -216,7 +210,7 @@ test('recursive culling', () => {
   ]);
 
   // Scroll past element A
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 85,
   });
@@ -265,9 +259,7 @@ test('recursive culling when initial offset is negative', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 0,
   });
@@ -328,9 +320,7 @@ test('deep nesting', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 40,
   });
@@ -345,7 +335,7 @@ test('deep nesting', () => {
     'Insert {type: "View", parentNativeID: (N/A), index: 1, nativeID: "element B"}',
   ]);
 
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 150,
   });
@@ -489,9 +479,7 @@ test('initial render', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 100,
   });
@@ -561,9 +549,7 @@ test('basic culling smaller ScrollView', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 11,
   });
@@ -624,9 +610,7 @@ test('culling with transform move', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 1,
   });
@@ -669,9 +653,7 @@ test('culling with recursive transform move', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 1,
   });
@@ -713,9 +695,7 @@ test('culling with transform scale', () => {
     'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
   ]);
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-  Fantom.scrollTo(element, {
+  Fantom.scrollTo(nodeRef, {
     x: 0,
     y: 121,
   });
@@ -774,10 +754,8 @@ test('culling inside of Modal', () => {
     );
   });
 
-  const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
   Fantom.runOnUIThread(() => {
-    Fantom.enqueueModalSizeUpdate(element, {
+    Fantom.enqueueModalSizeUpdate(nodeRef, {
       width: 100,
       height: 100,
     });
@@ -900,9 +878,7 @@ describe('reparenting', () => {
       'Insert {type: "ScrollView", parentNativeID: (root), index: 0, nativeID: (N/A)}',
     ]);
 
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-    Fantom.scrollTo(element, {
+    Fantom.scrollTo(nodeRef, {
       x: 0,
       y: 60,
     });
@@ -1578,10 +1554,8 @@ describe('reparenting', () => {
       'Insert {type: "View", parentNativeID: (N/A), index: 0, nativeID: "child"}',
     ]);
 
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
     // Scroll down to see the grandchild.
-    Fantom.scrollTo(element, {
+    Fantom.scrollTo(nodeRef, {
       x: 0,
       y: 115,
     });
@@ -1669,10 +1643,8 @@ describe('reparenting', () => {
       'Insert {type: "View", parentNativeID: (N/A), index: 0, nativeID: "child"}',
     ]);
 
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
     // Scroll down to see the grandchild.
-    Fantom.scrollTo(element, {
+    Fantom.scrollTo(nodeRef, {
       x: 0,
       y: 118,
     });
@@ -1911,10 +1883,8 @@ describe('reparenting', () => {
       'Insert {type: "View", parentNativeID: (N/A), index: 0, nativeID: (N/A)}',
     ]);
 
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
     // Scroll to reveal grandchild.
-    Fantom.scrollTo(element, {
+    Fantom.scrollTo(nodeRef, {
       x: 0,
       y: 70,
     });
@@ -2001,10 +1971,8 @@ describe('reparenting', () => {
       'Insert {type: "View", parentNativeID: (N/A), index: 0, nativeID: (N/A)}',
     ]);
 
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
     // Scroll to reveal grandchild.
-    Fantom.scrollTo(element, {
+    Fantom.scrollTo(nodeRef, {
       x: 0,
       y: 70,
     });
@@ -2214,9 +2182,7 @@ describe('reparenting', () => {
       'Insert {type: "View", parentNativeID: "unflattened", index: 0, nativeID: "child"}',
     ]);
 
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-    Fantom.scrollTo(element, {
+    Fantom.scrollTo(nodeRef, {
       x: 0,
       y: 50,
     });
@@ -2312,9 +2278,7 @@ describe('reparenting', () => {
       'Insert {type: "View", parentNativeID: "unflattened", index: 0, nativeID: "child"}',
     ]);
 
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
-    Fantom.scrollTo(element, {
+    Fantom.scrollTo(nodeRef, {
       x: 0,
       y: 50,
     });
@@ -2463,10 +2427,9 @@ describe('opt out mechanism - Unstable_uncullableView & Unstable_uncullableTrace
         </ScrollView>,
       );
     });
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
 
     Fantom.runOnUIThread(() => {
-      Fantom.enqueueModalSizeUpdate(element, {
+      Fantom.enqueueModalSizeUpdate(nodeRef, {
         width: 100,
         height: 100,
       });
@@ -2517,10 +2480,8 @@ describe('opt out mechanism - Unstable_uncullableView & Unstable_uncullableTrace
       );
     });
 
-    const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
     Fantom.runOnUIThread(() => {
-      Fantom.enqueueModalSizeUpdate(element, {
+      Fantom.enqueueModalSizeUpdate(nodeRef, {
         width: 100,
         height: 100,
       });

packages/react-native/Libraries/Components/Switch/Switch.d.ts

@@ -9,7 +9,7 @@
 
 import type * as React from 'react';
 import {Constructor} from '../../../types/private/Utilities';
-import {NativeMethods} from '../../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../../types/public/ReactNativeTypes';
 import {ColorValue, StyleProp} from '../../StyleSheet/StyleSheet';
 import {ViewStyle} from '../../StyleSheet/StyleSheetTypes';
 import {ViewProps} from '../View/ViewPropTypes';
@@ -114,5 +114,5 @@ export interface SwitchProps extends SwitchPropsIOS {
  * the supplied `value` prop instead of the expected result of any user actions.
  */
 declare class SwitchComponent extends React.Component<SwitchProps> {}
-declare const SwitchBase: Constructor<NativeMethods> & typeof SwitchComponent;
+declare const SwitchBase: Constructor<HostInstance> & typeof SwitchComponent;
 export class Switch extends SwitchBase {}

packages/react-native/Libraries/Components/TextInput/TextInput.d.ts

@@ -10,10 +10,7 @@
 import type * as React from 'react';
 import {Constructor} from '../../../types/private/Utilities';
 import {TimerMixin} from '../../../types/private/TimerMixin';
-import {
-  HostInstance,
-  NativeMethods,
-} from '../../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../../types/public/ReactNativeTypes';
 import {ColorValue, StyleProp} from '../../StyleSheet/StyleSheet';
 import {TextStyle} from '../../StyleSheet/StyleSheetTypes';
 import {
@@ -1029,7 +1026,7 @@ interface TextInputState {
  * @see https://reactnative.dev/docs/textinput#methods
  */
 declare class TextInputComponent extends React.Component<TextInputProps> {}
-declare const TextInputBase: Constructor<NativeMethods> &
+declare const TextInputBase: Constructor<HostInstance> &
   Constructor<TimerMixin> &
   typeof TextInputComponent;
 export class TextInput extends TextInputBase {

packages/react-native/Libraries/Components/TextInput/TextInput.js

@@ -449,6 +449,12 @@ function InternalTextInput(props: TextInputProps): React.Node {
         before we can get to the long term breaking change.
       */
       if (instance != null) {
+        // Register the input immediately when the ref is set so that focus()
+        // can be called from ref callbacks
+        // Double registering during useLayoutEffect is fine, because the underlying
+        // state is a Set.
+        TextInputState.registerInput(instance);
+
         // $FlowFixMe[prop-missing] - See the explanation above.
         // $FlowFixMe[unsafe-object-assign]
         Object.assign(instance, {

packages/react-native/Libraries/Components/TextInput/__tests__/TextInput-itest.js

@@ -12,7 +12,6 @@ import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
 
 import type {TextInputInstance} from '../TextInput.flow';
 
-import ensureInstance from '../../../../src/private/__tests__/utilities/ensureInstance';
 import * as Fantom from '@react-native/fantom';
 import nullthrows from 'nullthrows';
 import * as React from 'react';
@@ -60,10 +59,8 @@ describe('<TextInput>', () => {
           );
         });
 
-        const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
         Fantom.runOnUIThread(() => {
-          Fantom.enqueueNativeEvent(element, 'change', {
+          Fantom.enqueueNativeEvent(nodeRef, 'change', {
             text: 'Hello World',
           });
         });
@@ -86,10 +83,8 @@ describe('<TextInput>', () => {
           root.render(<TextInput onChangeText={onChangeText} ref={nodeRef} />);
         });
 
-        const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
         Fantom.runOnUIThread(() => {
-          Fantom.enqueueNativeEvent(element, 'change', {
+          Fantom.enqueueNativeEvent(nodeRef, 'change', {
             text: 'Hello World',
           });
         });
@@ -113,12 +108,10 @@ describe('<TextInput>', () => {
           root.render(<TextInput onFocus={focusEvent} ref={nodeRef} />);
         });
 
-        const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
         expect(focusEvent).toHaveBeenCalledTimes(0);
 
         Fantom.runOnUIThread(() => {
-          Fantom.enqueueNativeEvent(element, 'focus');
+          Fantom.enqueueNativeEvent(nodeRef, 'focus');
         });
 
         // The tasks have not run.
@@ -141,12 +134,10 @@ describe('<TextInput>', () => {
           root.render(<TextInput onBlur={blurEvent} ref={nodeRef} />);
         });
 
-        const element = ensureInstance(nodeRef.current, ReactNativeElement);
-
         expect(blurEvent).toHaveBeenCalledTimes(0);
 
         Fantom.runOnUIThread(() => {
-          Fantom.enqueueNativeEvent(element, 'blur');
+          Fantom.enqueueNativeEvent(nodeRef, 'blur');
         });
 
         // The tasks have not run.

packages/react-native/Libraries/Components/View/ReactNativeStyleAttributes.js

@@ -13,6 +13,9 @@ import type {AnyAttributeType} from '../../Renderer/shims/ReactNativeTypes';
 import * as ReactNativeFeatureFlags from '../../../src/private/featureflags/ReactNativeFeatureFlags';
 import processAspectRatio from '../../StyleSheet/processAspectRatio';
 import processBackgroundImage from '../../StyleSheet/processBackgroundImage';
+import processBackgroundPosition from '../../StyleSheet/processBackgroundPosition';
+import processBackgroundRepeat from '../../StyleSheet/processBackgroundRepeat';
+import processBackgroundSize from '../../StyleSheet/processBackgroundSize';
 import processBoxShadow from '../../StyleSheet/processBoxShadow';
 import processColor from '../../StyleSheet/processColor';
 import processFilter from '../../StyleSheet/processFilter';
@@ -144,10 +147,25 @@ const ReactNativeStyleAttributes: {[string]: AnyAttributeType, ...} = {
     : {process: processBoxShadow},
 
   /**
-   * Linear Gradient
+   * BackgroundImage
    */
   experimental_backgroundImage: {process: processBackgroundImage},
 
+  /**
+   * BackgroundSize
+   */
+  experimental_backgroundSize: {process: processBackgroundSize},
+
+  /**
+   * BackgroundPosition
+   */
+  experimental_backgroundPosition: {process: processBackgroundPosition},
+
+  /**
+   * BackgroundRepeat
+   */
+  experimental_backgroundRepeat: {process: processBackgroundRepeat},
+
   /**
    * View
    */

packages/react-native/Libraries/Components/View/View.d.ts

@@ -10,7 +10,7 @@
 import type * as React from 'react';
 import {Constructor} from '../../../types/private/Utilities';
 import {ViewProps} from './ViewPropTypes';
-import {NativeMethods} from '../../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../../types/public/ReactNativeTypes';
 
 /**
  * The most fundamental component for building UI, View is a container that supports layout with flexbox, style, some touch handling,
@@ -19,7 +19,7 @@ import {NativeMethods} from '../../../types/public/ReactNativeTypes';
  * whether that is a UIView, <div>, android.view, etc.
  */
 declare class ViewComponent extends React.Component<ViewProps> {}
-declare const ViewBase: Constructor<NativeMethods> & typeof ViewComponent;
+declare const ViewBase: Constructor<HostInstance> & typeof ViewComponent;
 export class View extends ViewBase {
   /**
    * Is 3D Touch / Force Touch available (i.e. will touch events include `force`)

packages/react-native/Libraries/Components/View/ViewNativeComponent.js

@@ -21,8 +21,8 @@ const ViewNativeComponent: HostComponent<Props> =
   }));
 
 interface NativeCommands {
-  +focus: () => void;
-  +blur: () => void;
+  +focus: (viewRef: HostInstance) => void;
+  +blur: (viewRef: HostInstance) => void;
   +hotspotUpdate: (viewRef: HostInstance, x: number, y: number) => void;
   +setPressed: (viewRef: HostInstance, pressed: boolean) => void;
 }

packages/react-native/Libraries/Components/View/__tests__/View-itest.js

@@ -5,6 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  *
  * @flow strict-local
+ * @fantom_flags enableNativeCSSParsing:*
  * @format
  */
 
@@ -229,6 +230,56 @@ describe('<View>', () => {
           });
         });
       });
+
+      describe('background-image', () => {
+        it('it parses CSS and object syntax', () => {
+          const root = Fantom.createRoot();
+
+          Fantom.runTask(() => {
+            root.render(
+              <>
+                <View
+                  style={{
+                    experimental_backgroundImage:
+                      'radial-gradient(#e66465, #9198e5)',
+                  }}
+                />
+                <View
+                  style={{
+                    experimental_backgroundImage: [
+                      {
+                        type: 'radial-gradient',
+                        shape: 'ellipse',
+                        position: {top: '50%', right: '50%'},
+                        size: 'farthest-corner',
+                        colorStops: [{color: '#e66465'}, {color: '#9198e5'}],
+                      },
+                    ],
+                  }}
+                />
+              </>,
+            );
+          });
+
+          const expectedProps = {
+            backgroundImage:
+              '[radial-gradient(ellipse farthest-corner at 50% 50% , rgba(230, 100, 101, 1), rgba(145, 152, 229, 1))]',
+          };
+
+          expect(root.getRenderedOutput().toJSON()).toEqual([
+            {
+              children: [],
+              props: expectedProps,
+              type: 'View',
+            },
+            {
+              children: [],
+              props: expectedProps,
+              type: 'View',
+            },
+          ]);
+        });
+      });
     });
 
     describe('pointerEvents', () => {

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

@@ -20,7 +20,9 @@ if (NativePerformance) {
     // $FlowExpectedError[cannot-write]
     global.performance = {
       mark: () => {},
+      clearMarks: () => {},
       measure: () => {},
+      clearMeasures: () => {},
       now: () => {
         const performanceNow = global.nativePerformanceNow || Date.now;
         return performanceNow();

packages/react-native/Libraries/Debugging/DebuggingOverlayRegistry.js

@@ -332,7 +332,9 @@ class DebuggingOverlayRegistry {
         instance.measure((x, y, width, height, left, top) => {
           // measure can execute callback without any values provided to signal error.
           if (left == null || top == null || width == null || height == null) {
-            reject('Unexpectedly failed to call measure on an instance.');
+            reject(
+              new Error('Unexpectedly failed to call measure on an instance.'),
+            );
           }
 
           resolve({
@@ -480,7 +482,11 @@ class DebuggingOverlayRegistry {
                 width == null ||
                 height == null
               ) {
-                reject('Unexpectedly failed to call measure on an instance.');
+                reject(
+                  new Error(
+                    'Unexpectedly failed to call measure on an instance.',
+                  ),
+                );
               }
 
               resolve({x: left, y: top, width, height});

packages/react-native/Libraries/EventEmitter/RCTDeviceEventEmitter.js

@@ -30,8 +30,11 @@ class RCTDeviceEventEmitterImpl extends EventEmitter<RCTDeviceEventDefinitions>
     ...args: RCTDeviceEventDefinitions[TEvent]
   ): void {
     beginEvent(() => `RCTDeviceEventEmitter.emit#${eventType}`);
-    super.emit(eventType, ...args);
-    endEvent();
+    try {
+      super.emit(eventType, ...args);
+    } finally {
+      endEvent();
+    }
   }
 }
 const RCTDeviceEventEmitter: IEventEmitter<RCTDeviceEventDefinitions> =

packages/react-native/Libraries/FBLazyVector/FBLazyVector/FBLazyIterator.h

@@ -26,68 +26,81 @@ class LazyIterator {
  public:
   LazyIterator() = default;
 
-  LazyIterator(U vector, convert_type convert, size_type i)
-      : _v(vector), _i(i), _convert(std::move(convert)) {}
+  LazyIterator(U vector, convert_type convert, size_type i) : _v(vector), _i(i), _convert(std::move(convert)) {}
 
-  bool operator==(const LazyIterator& other) const {
+  bool operator==(const LazyIterator &other) const
+  {
     return _i == other._i && _v == other._v;
   }
 
-  bool operator<(const LazyIterator& b) const {
+  bool operator<(const LazyIterator &b) const
+  {
     return _i < b._i;
   }
 
-  value_type operator*() const {
+  value_type operator*() const
+  {
     return _convert(_v[_i]);
   }
 
-  std::unique_ptr<value_type> operator->() const {
+  std::unique_ptr<value_type> operator->() const
+  {
     return std::make_unique<value_type>(*this);
   }
 
-  LazyIterator operator+(difference_type n) const {
+  LazyIterator operator+(difference_type n) const
+  {
     return LazyIterator(_v, _convert, _i + n);
   }
 
-  LazyIterator& operator+=(difference_type n) {
+  LazyIterator &operator+=(difference_type n)
+  {
     _i += n;
     return *this;
   }
 
-  LazyIterator& operator-=(difference_type n) {
+  LazyIterator &operator-=(difference_type n)
+  {
     _i -= n;
     return *this;
   }
 
-  LazyIterator operator-(difference_type n) const {
+  LazyIterator operator-(difference_type n) const
+  {
     return LazyIterator(_v, _i - n);
   }
 
-  difference_type operator-(const LazyIterator& a) const {
+  difference_type operator-(const LazyIterator &a) const
+  {
     return _i - a._i;
   }
 
-  LazyIterator& operator++() {
+  LazyIterator &operator++()
+  {
     return *this += 1;
   }
 
-  LazyIterator operator++(int) {
+  LazyIterator operator++(int)
+  {
     auto tmp = *this;
     ++*this;
     return tmp;
   }
 
-  LazyIterator& operator--() {
+  LazyIterator &operator--()
+  {
     return *this -= 1;
   }
 
-  LazyIterator operator--(int) {
+  LazyIterator operator--(int)
+  {
     auto tmp = *this;
     --*this;
     return tmp;
   }
 
-  value_type operator[](difference_type n) const {
+  value_type operator[](difference_type n) const
+  {
     return _convert(_v[_i + n]);
   }
 
@@ -98,29 +111,32 @@ class LazyIterator {
 };
 
 template <typename T, typename U>
-LazyIterator<T, U> operator+(
-    typename LazyIterator<T, U>::difference_type n,
-    const LazyIterator<T, U>& i) {
+LazyIterator<T, U> operator+(typename LazyIterator<T, U>::difference_type n, const LazyIterator<T, U> &i)
+{
   return i + n;
 }
 
 template <typename T, typename U>
-bool operator!=(const LazyIterator<T, U>& a, const LazyIterator<T, U>& b) {
+bool operator!=(const LazyIterator<T, U> &a, const LazyIterator<T, U> &b)
+{
   return !(a == b);
 }
 
 template <typename T, typename U>
-bool operator<=(const LazyIterator<T, U>& a, const LazyIterator<T, U>& b) {
+bool operator<=(const LazyIterator<T, U> &a, const LazyIterator<T, U> &b)
+{
   return a < b || a == b;
 }
 
 template <typename T, typename U>
-bool operator>(const LazyIterator<T, U>& a, const LazyIterator<T, U>& b) {
+bool operator>(const LazyIterator<T, U> &a, const LazyIterator<T, U> &b)
+{
   return b < a;
 }
 
 template <typename T, typename U>
-bool operator>=(const LazyIterator<T, U>& a, const LazyIterator<T, U>& b) {
+bool operator>=(const LazyIterator<T, U> &a, const LazyIterator<T, U> &b)
+{
   return a > b || a == b;
 }
 

packages/react-native/Libraries/FBLazyVector/FBLazyVector/FBLazyVector.h

@@ -31,24 +31,28 @@ class LazyVector {
   using size_type = std::int32_t;
   using convert_type = std::function<T(U)>;
 
-  static LazyVector<T, U>
-  fromUnsafeRawValue(U v, size_type size, convert_type convert) {
+  static LazyVector<T, U> fromUnsafeRawValue(U v, size_type size, convert_type convert)
+  {
     return {v, size, convert};
   }
 
-  U unsafeRawValue() const {
+  U unsafeRawValue() const
+  {
     return _v;
   }
 
-  bool empty() const {
+  bool empty() const
+  {
     return _size == 0;
   }
 
-  size_type size() const {
+  size_type size() const
+  {
     return _size;
   }
 
-  const_reference at(size_type pos) const {
+  const_reference at(size_type pos) const
+  {
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (!(pos < _size)) {
       throw std::out_of_range("out of range");
@@ -59,41 +63,47 @@ class LazyVector {
     return _convert(_v[pos]);
   }
 
-  const_reference operator[](size_type pos) const {
+  const_reference operator[](size_type pos) const
+  {
     assert(pos < _size);
     return _convert(_v[pos]);
   }
 
-  const_reference front() const {
+  const_reference front() const
+  {
     assert(_size);
     return (*this)[0];
   }
 
-  const_reference back() const {
+  const_reference back() const
+  {
     assert(_size);
     return (*this)[_size - 1];
   }
 
-  const_iterator begin() const {
+  const_iterator begin() const
+  {
     return const_iterator(_v, _convert, 0);
   }
 
-  const_iterator cbegin() const {
+  const_iterator cbegin() const
+  {
     return begin();
   }
 
-  const_iterator end() const {
+  const_iterator end() const
+  {
     return const_iterator(_v, _convert, _size);
   }
 
-  const_iterator cend() const {
+  const_iterator cend() const
+  {
     return end();
   }
 
  private:
   /** Wrapped vector */
-  LazyVector(U vector, size_type size, convert_type convert)
-      : _v(vector), _size(size), _convert(convert) {}
+  LazyVector(U vector, size_type size, convert_type convert) : _v(vector), _size(size), _convert(convert) {}
 
   U _v;
   size_type _size;

packages/react-native/Libraries/Image/Image.d.ts

@@ -11,7 +11,7 @@ import * as React from 'react';
 import {Constructor} from '../../types/private/Utilities';
 import {AccessibilityProps} from '../Components/View/ViewAccessibility';
 import {Insets} from '../../types/public/Insets';
-import {NativeMethods} from '../../types/public/ReactNativeTypes';
+import {HostInstance} from '../../types/public/ReactNativeTypes';
 import {ColorValue, StyleProp} from '../StyleSheet/StyleSheet';
 import {ImageStyle, ViewStyle} from '../StyleSheet/StyleSheetTypes';
 import {LayoutChangeEvent, NativeSyntheticEvent} from '../Types/CoreEventTypes';
@@ -338,7 +338,7 @@ export interface ImageSize {
 }
 
 declare class ImageComponent extends React.Component<ImageProps> {}
-declare const ImageBase: Constructor<NativeMethods> & typeof ImageComponent;
+declare const ImageBase: Constructor<HostInstance> & typeof ImageComponent;
 export class Image extends ImageBase {
   static getSize(uri: string): Promise<ImageSize>;
   static getSize(
@@ -384,6 +384,6 @@ export interface ImageBackgroundProps extends ImagePropsBase {
 }
 
 declare class ImageBackgroundComponent extends React.Component<ImageBackgroundProps> {}
-declare const ImageBackgroundBase: Constructor<NativeMethods> &
+declare const ImageBackgroundBase: Constructor<HostInstance> &
   typeof ImageBackgroundComponent;
 export class ImageBackground extends ImageBackgroundBase {}

packages/react-native/Libraries/Image/RCTImageEditingManager.mm

@@ -38,11 +38,9 @@ RCT_EXPORT_MODULE()
  *        be scaled down to `displaySize` rather than `size`.
  *        All units are in px (not points).
  */
-RCT_EXPORT_METHOD(cropImage
-                  : (NSURLRequest *)imageRequest cropData
-                  : (JS::NativeImageEditor::Options &)cropData successCallback
-                  : (RCTResponseSenderBlock)successCallback errorCallback
-                  : (RCTResponseSenderBlock)errorCallback)
+RCT_EXPORT_METHOD(
+    cropImage : (NSURLRequest *)imageRequest cropData : (JS::NativeImageEditor::Options &)cropData successCallback : (
+        RCTResponseSenderBlock)successCallback errorCallback : (RCTResponseSenderBlock)errorCallback)
 {
   CGRect rect = {
     [RCTConvert CGPoint:@{

packages/react-native/Libraries/Image/RCTImageLoader.mm

@@ -331,9 +331,9 @@ static RCTImageLoaderCancellationBlock RCTLoadImageURLFromLoader(
     RCTImageLoaderPartialLoadBlock partialLoadHandler,
     RCTImageLoaderCompletionBlockWithMetadata completionHandler)
 {
-  if ([loadHandler respondsToSelector:@selector(loadImageForURL:
-                                                           size:scale:resizeMode:progressHandler:partialLoadHandler
-                                                               :completionHandlerWithMetadata:)]) {
+  if ([loadHandler
+          respondsToSelector:@selector
+          (loadImageForURL:size:scale:resizeMode:progressHandler:partialLoadHandler:completionHandlerWithMetadata:)]) {
     return [loadHandler loadImageForURL:imageURL
                                    size:size
                                   scale:scale
@@ -410,17 +410,17 @@ static RCTImageLoaderCancellationBlock RCTLoadImageURLFromLoader(
                                                     completionBlock:(RCTImageLoaderCompletionBlock)completionBlock
 {
   RCTImageURLLoaderRequest *request = [self loadImageWithURLRequest:imageURLRequest
-      size:size
-      scale:scale
-      clipped:clipped
-      resizeMode:resizeMode
-      priority:priority
-      attribution:{}
-      progressBlock:progressBlock
-      partialLoadBlock:partialLoadBlock
-      completionBlock:^(NSError *error, UIImage *image, id metadata) {
-        completionBlock(error, image);
-      }];
+                                                               size:size
+                                                              scale:scale
+                                                            clipped:clipped
+                                                         resizeMode:resizeMode
+                                                           priority:priority
+                                                        attribution:{}
+                                                      progressBlock:progressBlock
+                                                   partialLoadBlock:partialLoadBlock
+                                                    completionBlock:^(NSError *error, UIImage *image, id metadata) {
+                                                      completionBlock(error, image);
+                                                    }];
   return ^{
     [request cancel];
   };
@@ -1229,10 +1229,8 @@ static RCTImageLoaderCancellationBlock RCTLoadImageURLFromLoader(
   return std::make_shared<facebook::react::NativeImageLoaderIOSSpecJSI>(params);
 }
 
-RCT_EXPORT_METHOD(getSize
-                  : (NSString *)uri resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    getSize : (NSString *)uri resolve : (RCTPromiseResolveBlock)resolve reject : (RCTPromiseRejectBlock)reject)
 {
   NSURLRequest *request = [RCTConvert NSURLRequest:uri];
   [self getImageSizeForURLRequest:request
@@ -1248,11 +1246,9 @@ RCT_EXPORT_METHOD(getSize
                             }];
 }
 
-RCT_EXPORT_METHOD(getSizeWithHeaders
-                  : (NSString *)uri headers
-                  : (NSDictionary *)headers resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    getSizeWithHeaders : (NSString *)uri headers : (NSDictionary *)headers resolve : (RCTPromiseResolveBlock)
+        resolve reject : (RCTPromiseRejectBlock)reject)
 {
   NSURL *URL = [RCTConvert NSURL:uri];
   NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL];
@@ -1269,20 +1265,15 @@ RCT_EXPORT_METHOD(getSizeWithHeaders
                             }];
 }
 
-RCT_EXPORT_METHOD(prefetchImage
-                  : (NSString *)uri resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    prefetchImage : (NSString *)uri resolve : (RCTPromiseResolveBlock)resolve reject : (RCTPromiseRejectBlock)reject)
 {
   [self prefetchImageWithMetadata:uri queryRootName:nil rootTag:0 resolve:resolve reject:reject];
 }
 
-RCT_EXPORT_METHOD(prefetchImageWithMetadata
-                  : (NSString *)uri queryRootName
-                  : (NSString *)queryRootName rootTag
-                  : (double)rootTag resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    prefetchImageWithMetadata : (NSString *)uri queryRootName : (NSString *)queryRootName rootTag : (double)
+        rootTag resolve : (RCTPromiseResolveBlock)resolve reject : (RCTPromiseRejectBlock)reject)
 {
   NSURLRequest *request = [RCTConvert NSURLRequest:uri];
   [self loadImageWithURLRequest:request
@@ -1306,10 +1297,8 @@ RCT_EXPORT_METHOD(prefetchImageWithMetadata
                 }];
 }
 
-RCT_EXPORT_METHOD(queryCache
-                  : (NSArray *)uris resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    queryCache : (NSArray *)uris resolve : (RCTPromiseResolveBlock)resolve reject : (RCTPromiseRejectBlock)reject)
 {
   resolve([self getImageCacheStatus:uris]);
 }

packages/react-native/Libraries/Image/RCTImageStoreManager.mm

@@ -106,10 +106,9 @@ RCT_EXPORT_METHOD(hasImageForTag : (NSString *)imageTag callback : (RCTResponseS
 }
 
 // TODO (#5906496): Name could be more explicit - something like getBase64EncodedDataForTag:?
-RCT_EXPORT_METHOD(getBase64ForTag
-                  : (NSString *)imageTag successCallback
-                  : (RCTResponseSenderBlock)successCallback errorCallback
-                  : (RCTResponseSenderBlock)errorCallback)
+RCT_EXPORT_METHOD(
+    getBase64ForTag : (NSString *)imageTag successCallback : (RCTResponseSenderBlock)
+        successCallback errorCallback : (RCTResponseSenderBlock)errorCallback)
 {
   NSData *imageData = _store[imageTag];
   if (imageData == nullptr) {
@@ -123,10 +122,9 @@ RCT_EXPORT_METHOD(getBase64ForTag
   });
 }
 
-RCT_EXPORT_METHOD(addImageFromBase64
-                  : (NSString *)base64String successCallback
-                  : (RCTResponseSenderBlock)successCallback errorCallback
-                  : (RCTResponseSenderBlock)errorCallback)
+RCT_EXPORT_METHOD(
+    addImageFromBase64 : (NSString *)base64String successCallback : (RCTResponseSenderBlock)
+        successCallback errorCallback : (RCTResponseSenderBlock)errorCallback)
 
 {
   // Dispatching to a background thread to perform base64 decoding

packages/react-native/Libraries/Image/RCTImageUtils.mm

@@ -101,12 +101,11 @@ CGRect RCTTargetRect(CGSize sourceSize, CGSize destSize, CGFloat destScale, RCTR
         sourceSize.height = destSize.height;
         sourceSize.width = sourceSize.height * aspect;
       }
-      return (CGRect){
-          {
-              RCTFloorValue((destSize.width - sourceSize.width) / 2, destScale),
-              RCTFloorValue((destSize.height - sourceSize.height) / 2, destScale),
-          },
-          RCTCeilSize(sourceSize, destScale)};
+      return (CGRect){{
+                          RCTFloorValue((destSize.width - sourceSize.width) / 2, destScale),
+                          RCTFloorValue((destSize.height - sourceSize.height) / 2, destScale),
+                      },
+                      RCTCeilSize(sourceSize, destScale)};
 
     case RCTResizeModeCover:
 
@@ -115,17 +114,16 @@ CGRect RCTTargetRect(CGSize sourceSize, CGSize destSize, CGFloat destScale, RCTR
         sourceSize.height = destSize.height;
         sourceSize.width = sourceSize.height * aspect;
         destSize.width = destSize.height * targetAspect;
-        return (CGRect){
-            {RCTFloorValue((destSize.width - sourceSize.width) / 2, destScale), 0}, RCTCeilSize(sourceSize, destScale)};
+        return (CGRect){{RCTFloorValue((destSize.width - sourceSize.width) / 2, destScale), 0},
+                        RCTCeilSize(sourceSize, destScale)};
 
       } else { // target is wider than content
 
         sourceSize.width = destSize.width;
         sourceSize.height = sourceSize.width / aspect;
         destSize.height = destSize.width / targetAspect;
-        return (CGRect){
-            {0, RCTFloorValue((destSize.height - sourceSize.height) / 2, destScale)},
-            RCTCeilSize(sourceSize, destScale)};
+        return (CGRect){{0, RCTFloorValue((destSize.height - sourceSize.height) / 2, destScale)},
+                        RCTCeilSize(sourceSize, destScale)};
       }
 
     case RCTResizeModeCenter:
@@ -140,12 +138,11 @@ CGRect RCTTargetRect(CGSize sourceSize, CGSize destSize, CGFloat destScale, RCTR
         sourceSize.width = sourceSize.height * aspect;
       }
 
-      return (CGRect){
-          {
-              RCTFloorValue((destSize.width - sourceSize.width) / 2, destScale),
-              RCTFloorValue((destSize.height - sourceSize.height) / 2, destScale),
-          },
-          RCTCeilSize(sourceSize, destScale)};
+      return (CGRect){{
+                          RCTFloorValue((destSize.width - sourceSize.width) / 2, destScale),
+                          RCTFloorValue((destSize.height - sourceSize.height) / 2, destScale),
+                      },
+                      RCTCeilSize(sourceSize, destScale)};
   }
 }
 
@@ -293,18 +290,31 @@ UIImage *__nullable RCTDecodeImageWithData(NSData *data, CGSize destSize, CGFloa
   // Calculate target size
   CGSize targetSize = RCTTargetSize(sourceSize, 1, destSize, destScale, resizeMode, NO);
   CGSize targetPixelSize = RCTSizeInPixels(targetSize, destScale);
-  CGFloat maxPixelSize =
-      fmax(fmin(sourceSize.width, targetPixelSize.width), fmin(sourceSize.height, targetPixelSize.height));
+  CGImageRef imageRef;
+  BOOL createThumbnail = targetPixelSize.width != 0 && targetPixelSize.height != 0 &&
+      (sourceSize.width > targetPixelSize.width || sourceSize.height > targetPixelSize.height);
 
-  NSDictionary<NSString *, NSNumber *> *options = @{
-    (id)kCGImageSourceShouldAllowFloat : @YES,
-    (id)kCGImageSourceCreateThumbnailWithTransform : @YES,
-    (id)kCGImageSourceCreateThumbnailFromImageAlways : @YES,
-    (id)kCGImageSourceThumbnailMaxPixelSize : @(maxPixelSize),
-  };
+  if (createThumbnail) {
+    CGFloat maxPixelSize = fmax(targetPixelSize.width, targetPixelSize.height);
+
+    // Get a thumbnail of the source image. This is usually slower than creating a full-sized image,
+    // but takes up less memory once it's done.
+    imageRef = CGImageSourceCreateThumbnailAtIndex(
+        sourceRef, 0, (__bridge CFDictionaryRef) @{
+          (id)kCGImageSourceShouldAllowFloat : @YES,
+          (id)kCGImageSourceCreateThumbnailWithTransform : @YES,
+          (id)kCGImageSourceCreateThumbnailFromImageAlways : @YES,
+          (id)kCGImageSourceThumbnailMaxPixelSize : @(maxPixelSize),
+        });
+  } else {
+    // Get an image in full size. This is faster than `CGImageSourceCreateThumbnailAtIndex`
+    // and consumes less memory if only the target size doesn't require downscaling.
+    imageRef = CGImageSourceCreateImageAtIndex(
+        sourceRef, 0, (__bridge CFDictionaryRef) @{
+          (id)kCGImageSourceShouldAllowFloat : @YES,
+        });
+  }
 
-  // Get thumbnail
-  CGImageRef imageRef = CGImageSourceCreateThumbnailAtIndex(sourceRef, 0, (__bridge CFDictionaryRef)options);
   CFRelease(sourceRef);
   if (!imageRef) {
     return nil;

packages/react-native/Libraries/Image/RCTImageViewManager.mm

@@ -53,10 +53,9 @@ RCT_CUSTOM_VIEW_PROPERTY(tintColor, UIColor, RCTImageView)
   view.renderingMode = json ? UIImageRenderingModeAlwaysTemplate : defaultView.renderingMode;
 }
 
-RCT_EXPORT_METHOD(getSize
-                  : (NSURLRequest *)request successBlock
-                  : (RCTResponseSenderBlock)successBlock errorBlock
-                  : (RCTResponseErrorBlock)errorBlock)
+RCT_EXPORT_METHOD(
+    getSize : (NSURLRequest *)request successBlock : (RCTResponseSenderBlock)
+        successBlock errorBlock : (RCTResponseErrorBlock)errorBlock)
 {
   [[self.bridge moduleForName:@"ImageLoader"
         lazilyLoadIfNecessary:YES] getImageSizeForURLRequest:request
@@ -69,10 +68,9 @@ RCT_EXPORT_METHOD(getSize
                                                        }];
 }
 
-RCT_EXPORT_METHOD(getSizeWithHeaders
-                  : (RCTImageSource *)source resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    getSizeWithHeaders : (RCTImageSource *)source resolve : (RCTPromiseResolveBlock)
+        resolve reject : (RCTPromiseRejectBlock)reject)
 {
   [[self.bridge moduleForName:@"ImageLoader" lazilyLoadIfNecessary:YES]
       getImageSizeForURLRequest:source.request
@@ -85,10 +83,9 @@ RCT_EXPORT_METHOD(getSizeWithHeaders
                           }];
 }
 
-RCT_EXPORT_METHOD(prefetchImage
-                  : (NSURLRequest *)request resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    prefetchImage : (NSURLRequest *)request resolve : (RCTPromiseResolveBlock)resolve reject : (RCTPromiseRejectBlock)
+        reject)
 {
   if (!request) {
     reject(@"E_INVALID_URI", @"Cannot prefetch an image for an empty URI", nil);
@@ -107,10 +104,8 @@ RCT_EXPORT_METHOD(prefetchImage
                               }];
 }
 
-RCT_EXPORT_METHOD(queryCache
-                  : (NSArray *)requests resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    queryCache : (NSArray *)requests resolve : (RCTPromiseResolveBlock)resolve reject : (RCTPromiseRejectBlock)reject)
 {
   resolve([[self.bridge moduleForName:@"ImageLoader"] getImageCacheStatus:requests]);
 }

packages/react-native/Libraries/LinkingIOS/RCTLinkingManager.mm

@@ -87,10 +87,8 @@ RCT_EXPORT_MODULE()
   [self sendEventWithName:@"url" body:notification.userInfo];
 }
 
-RCT_EXPORT_METHOD(openURL
-                  : (NSURL *)URL resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    openURL : (NSURL *)URL resolve : (RCTPromiseResolveBlock)resolve reject : (RCTPromiseRejectBlock)reject)
 {
   [RCTSharedApplication() openURL:URL
       options:@{}
@@ -114,10 +112,8 @@ RCT_EXPORT_METHOD(openURL
       }];
 }
 
-RCT_EXPORT_METHOD(canOpenURL
-                  : (NSURL *)URL resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (__unused RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    canOpenURL : (NSURL *)URL resolve : (RCTPromiseResolveBlock)resolve reject : (__unused RCTPromiseRejectBlock)reject)
 {
   if (RCTRunningInAppExtension()) {
     // Technically Today widgets can open urls, but supporting that would require
@@ -181,11 +177,9 @@ RCT_EXPORT_METHOD(openSettings : (RCTPromiseResolveBlock)resolve reject : (__unu
       }];
 }
 
-RCT_EXPORT_METHOD(sendIntent
-                  : (NSString *)action extras
-                  : (NSArray *_Nullable)extras resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    sendIntent : (NSString *)action extras : (NSArray *_Nullable)extras resolve : (RCTPromiseResolveBlock)
+        resolve reject : (RCTPromiseRejectBlock)reject)
 {
   RCTLogError(@"Not implemented: %@", NSStringFromSelector(_cmd));
 }

packages/react-native/Libraries/LogBox/UI/AnsiHighlight.js

@@ -87,7 +87,7 @@ export default function Ansi({
     <View style={styles.container}>
       {parsedLines.map((items, i) => (
         <View style={styles.line} key={i}>
-          <Text>
+          <Text style={styles.text}>
             {items.map((bundle, key) => {
               const textStyle =
                 bundle.fg && COLORS[bundle.fg]
@@ -122,4 +122,7 @@ const styles = StyleSheet.create({
   line: {
     flexDirection: 'row',
   },
+  text: {
+    flexGrow: 1,
+  },
 });

packages/react-native/Libraries/NativeAnimation/RCTNativeAnimatedModule.mm

@@ -118,11 +118,9 @@ RCT_EXPORT_METHOD(disconnectAnimatedNodes : (double)parentTag childTag : (double
   }];
 }
 
-RCT_EXPORT_METHOD(startAnimatingNode
-                  : (double)animationId nodeTag
-                  : (double)nodeTag config
-                  : (NSDictionary<NSString *, id> *)config endCallback
-                  : (RCTResponseSenderBlock)callBack)
+RCT_EXPORT_METHOD(
+    startAnimatingNode : (double)animationId nodeTag : (double)nodeTag config : (NSDictionary<NSString *, id> *)
+        config endCallback : (RCTResponseSenderBlock)callBack)
 {
   [self addOperationBlock:^(RCTNativeAnimatedNodesManager *nodesManager) {
     [nodesManager startAnimatingNode:[NSNumber numberWithDouble:animationId]
@@ -228,10 +226,9 @@ RCT_EXPORT_METHOD(stopListeningToAnimatedNodeValue : (double)tag)
   }];
 }
 
-RCT_EXPORT_METHOD(addAnimatedEventToView
-                  : (double)viewTag eventName
-                  : (nonnull NSString *)eventName eventMapping
-                  : (JS::NativeAnimatedModule::EventMapping &)eventMapping)
+RCT_EXPORT_METHOD(
+    addAnimatedEventToView : (double)viewTag eventName : (nonnull NSString *)
+        eventName eventMapping : (JS::NativeAnimatedModule::EventMapping &)eventMapping)
 {
   NSMutableDictionary *eventMappingDict = [NSMutableDictionary new];
   eventMappingDict[@"nativeEventPath"] = RCTConvertVecToArray(eventMapping.nativeEventPath());
@@ -247,10 +244,9 @@ RCT_EXPORT_METHOD(addAnimatedEventToView
   }];
 }
 
-RCT_EXPORT_METHOD(removeAnimatedEventFromView
-                  : (double)viewTag eventName
-                  : (nonnull NSString *)eventName animatedNodeTag
-                  : (double)animatedNodeTag)
+RCT_EXPORT_METHOD(
+    removeAnimatedEventFromView : (double)viewTag eventName : (nonnull NSString *)eventName animatedNodeTag : (double)
+        animatedNodeTag)
 {
   [self addOperationBlock:^(RCTNativeAnimatedNodesManager *nodesManager) {
     [nodesManager removeAnimatedEventFromView:[NSNumber numberWithDouble:viewTag]

packages/react-native/Libraries/NativeAnimation/RCTNativeAnimatedTurboModule.mm

@@ -108,11 +108,9 @@ RCT_EXPORT_METHOD(disconnectAnimatedNodes : (double)parentTag childTag : (double
   }];
 }
 
-RCT_EXPORT_METHOD(startAnimatingNode
-                  : (double)animationId nodeTag
-                  : (double)nodeTag config
-                  : (NSDictionary<NSString *, id> *)config endCallback
-                  : (RCTResponseSenderBlock)callBack)
+RCT_EXPORT_METHOD(
+    startAnimatingNode : (double)animationId nodeTag : (double)nodeTag config : (NSDictionary<NSString *, id> *)
+        config endCallback : (RCTResponseSenderBlock)callBack)
 {
   [self queueFlushedOperationBlock:^(RCTNativeAnimatedNodesManager *nodesManager) {
     [nodesManager startAnimatingNode:[NSNumber numberWithDouble:animationId]
@@ -204,10 +202,9 @@ RCT_EXPORT_METHOD(stopListeningToAnimatedNodeValue : (double)tag)
   }];
 }
 
-RCT_EXPORT_METHOD(addAnimatedEventToView
-                  : (double)viewTag eventName
-                  : (nonnull NSString *)eventName eventMapping
-                  : (JS::NativeAnimatedModule::EventMapping &)eventMapping)
+RCT_EXPORT_METHOD(
+    addAnimatedEventToView : (double)viewTag eventName : (nonnull NSString *)
+        eventName eventMapping : (JS::NativeAnimatedModule::EventMapping &)eventMapping)
 {
   NSMutableDictionary *eventMappingDict = [NSMutableDictionary new];
   eventMappingDict[@"nativeEventPath"] = RCTConvertVecToArray(eventMapping.nativeEventPath());
@@ -223,10 +220,9 @@ RCT_EXPORT_METHOD(addAnimatedEventToView
   }];
 }
 
-RCT_EXPORT_METHOD(removeAnimatedEventFromView
-                  : (double)viewTag eventName
-                  : (nonnull NSString *)eventName animatedNodeTag
-                  : (double)animatedNodeTag)
+RCT_EXPORT_METHOD(
+    removeAnimatedEventFromView : (double)viewTag eventName : (nonnull NSString *)eventName animatedNodeTag : (double)
+        animatedNodeTag)
 {
   [self queueOperationBlock:^(RCTNativeAnimatedNodesManager *nodesManager) {
     [nodesManager removeAnimatedEventFromView:[NSNumber numberWithDouble:viewTag]

packages/react-native/Libraries/NativeComponent/BaseViewConfig.android.js

@@ -179,8 +179,17 @@ const validAttributesForNonEventProps = {
   backgroundColor: {process: require('../StyleSheet/processColor').default},
   transform: true,
   transformOrigin: true,
-  experimental_backgroundImage: {
-    process: require('../StyleSheet/processBackgroundImage').default,
+  experimental_backgroundImage: ReactNativeFeatureFlags.enableNativeCSSParsing()
+    ? (true as const)
+    : {process: require('../StyleSheet/processBackgroundImage').default},
+  experimental_backgroundSize: {
+    process: require('../StyleSheet/processBackgroundSize').default,
+  },
+  experimental_backgroundPosition: {
+    process: require('../StyleSheet/processBackgroundPosition').default,
+  },
+  experimental_backgroundRepeat: {
+    process: require('../StyleSheet/processBackgroundRepeat').default,
   },
   boxShadow: ReactNativeFeatureFlags.enableNativeCSSParsing()
     ? (true as const)

packages/react-native/Libraries/NativeComponent/NativeComponentRegistry.d.ts

@@ -0,0 +1,98 @@
+/**
+ * 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
+ */
+
+import type {HostComponent} from '../../types/public/ReactNativeTypes';
+import * as React from 'react';
+
+/**
+ * Configures a function that is called to determine whether a given component
+ * should be registered using reflection of the native component at runtime.
+ *
+ * The provider should return null if the native component is unavailable in
+ * the current environment.
+ */
+export function setRuntimeConfigProvider(
+  runtimeConfigProvider: (name: string) => {
+    native: boolean;
+    verify: boolean;
+  } | null,
+): void;
+
+/**
+ * Gets a `NativeComponent` that can be rendered by React Native.
+ *
+ * The supplied `viewConfigProvider` may or may not be invoked and utilized,
+ * depending on how `setRuntimeConfigProvider` is configured.
+ */
+export function get<Config extends object>(
+  name: string,
+  viewConfigProvider: () => PartialViewConfig,
+): HostComponent<Config>;
+
+/**
+ * Same as `NativeComponentRegistry.get(...)`, except this will check either
+ * the `setRuntimeConfigProvider` configuration or use native reflection (slow)
+ * to determine whether this native component is available.
+ *
+ * If the native component is not available, a stub component is returned. Note
+ * that the return value of this is not `HostComponent` because the returned
+ * component instance is not guaranteed to have native methods.
+ */
+export function getWithFallback_DEPRECATED<Config extends object>(
+  name: string,
+  viewConfigProvider: () => PartialViewConfig,
+): React.ComponentType<Config>;
+
+/**
+ * Unstable API. Do not use!
+ *
+ * This method returns if there is a StaticViewConfig registered for the
+ * component name received as a parameter.
+ */
+export function unstable_hasStaticViewConfig(name: string): boolean;
+
+type AttributeType<T, V> =
+  | true
+  | {
+      readonly diff?: ((arg1: T, arg2: T) => boolean) | undefined;
+      readonly process?: ((arg1: V) => T) | undefined;
+    };
+type AnyAttributeType = AttributeType<any, any>;
+type AttributeConfiguration = {
+  readonly [propName: string]: AnyAttributeType | void;
+  readonly style?:
+    | {
+        readonly [propName: string]: AnyAttributeType;
+      }
+    | undefined;
+};
+
+type PartialViewConfig = Readonly<{
+  bubblingEventTypes?:
+    | {
+        readonly [eventName: string]: {
+          readonly phasedRegistrationNames: {
+            readonly bubbled: string;
+            readonly captured: string;
+            readonly skipBubbling?: boolean | undefined;
+          };
+        };
+      }
+    | undefined;
+  directEventTypes?:
+    | {
+        readonly [eventName: string]: {
+          readonly registrationName: string;
+        };
+      }
+    | undefined;
+  supportsRawText?: boolean | undefined;
+  uiViewClassName: string;
+  validAttributes?: AttributeConfiguration | undefined;
+}>;

packages/react-native/Libraries/NativeComponent/NativeComponentRegistryUnstable.js

@@ -23,7 +23,9 @@ export function unstable_hasComponent(name: string): boolean {
       hasNativeComponent = global.__nativeComponentRegistry__hasComponent(name);
       componentNameToExists.set(name, hasNativeComponent);
     } else {
-      throw `unstable_hasComponent('${name}'): Global function is not registered`;
+      throw new Error(
+        `unstable_hasComponent('${name}'): Global function is not registered`,
+      );
     }
   }
   return hasNativeComponent;