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
Add comprehensive KDoc documentation to FilterHelper (#54350 )
2025-11-01 09:14:26 +00:00 · 2025-10-31 15:50:52 -07:00 · 2025-10-31 14:42:30 -07:00 · 2025-10-31 14:42:30 -07:00 · 2025-10-31 14:42:30 -07:00 · 2025-10-31 14:42:30 -07:00
1057 changed files with 19881 additions and 17478 deletions
@@ -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',
      },
    },
    {
@@ -98,4 +98,4 @@ untyped-import
 untyped-type-import

 [version]
-^0.288.0
+^0.289.0
@@ -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 }}
@@ -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
@@ -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 }}-${{ inputs.react-native-version }}
-        enableCrossOsArchive: true
@@ -1,53 +0,0 @@
-name: build-hermesc-linux
-description: This action builds hermesc for linux platforms
-inputs:
-  hermes-version:
-    required: True
-    description: The version of Hermes
-  react-native-version:
-    required: True
-    description: The version of React Native
-runs:
-  using: composite
-  steps:
-    - name: Install dependencies
-      shell: bash
-      run: |
-        sudo apt update
-        sudo apt install -y git openssh-client build-essential \
-            libreadline-dev libicu-dev jq zip python3
-
-        # Install cmake 3.28.3-1build7
-        sudo apt-get install cmake=3.28.3-1build7
-        sudo ln -sf /usr/bin/cmake /usr/local/bin/cmake
-    - name: Restore Hermes workspace
-      uses: ./.github/actions/restore-hermes-workspace
-    - name: Linux cache
-      uses: actions/cache@v4
-      with:
-        key: v1-hermes-${{ 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
@@ -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\
@@ -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:
@@ -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
@@ -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/.
@@ -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" || "${{ inputs.platform }}" == "tvos-simulator" ]]; then
+          sudo xcodebuild -downloadPlatform tvOS
+        else
+          sudo xcodebuild -downloadPlatform iOS
+        fi
+
+        sudo xcodebuild -runFirstLaunch
@@ -10,36 +10,27 @@ inputs:
  flavor:
    description: The flavor of the build. Must be one of "Debug", "Release".
    default: Debug
-  hermes-version:
-    description: The version of hermes
-    required: true
-  react-native-version:
-    description: The version of react-native
-    required: true
 runs:
  using: composite
  steps:
    - name: Setup xcode
      uses: ./.github/actions/setup-xcode
+      with:
+        platform: ios
    - name: Setup node.js
      uses: ./.github/actions/setup-node
    - name: Run yarn install
      uses: ./.github/actions/yarn-install
-    - name: Create Hermes folder
-      shell: bash
-      run: mkdir -p "$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"

@@ -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: |
@@ -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).
@@ -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,
@@ -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();
@@ -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 }}";
@@ -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
@@ -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 }}
@@ -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
@@ -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') }}
@@ -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 }}
@@ -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
@@ -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
@@ -1,5 +1,17 @@
 # Changelog

+## v0.82.1
+
+### Fixed
+
+#### Android specific
+
+- 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
+
+- 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))
+
 ## v0.82.0

 ### Breaking
@@ -812,6 +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)
@@ -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")
      }
    }
@@ -86,7 +86,7 @@
    "eslint-plugin-relay": "^1.8.3",
    "fb-dotslash": "0.5.8",
    "flow-api-translator": "0.32.0",
-    "flow-bin": "^0.288.0",
+    "flow-bin": "^0.289.0",
    "glob": "^7.1.1",
    "hermes-eslint": "0.32.0",
    "hermes-transform": "0.32.0",
@@ -120,7 +120,6 @@
    "ws": "^7.5.10"
  },
  "resolutions": {
-    "eslint-plugin-react-hooks": "6.1.0-canary-12bc60f5-20250613",
    "react-is": "19.2.0",
    "on-headers": "1.1.0",
    "compression": "1.8.1"
@@ -1,5 +1,5 @@
-@generated SignedSource<<ec85a720cb9603510d40915ba1410b50>>
-Git revision: 54afd8765db32a9640edef3788085b991fe4b88a
+@generated SignedSource<<4bb67766e15e25a481c4c38873260a7a>>
+Git revision: 7aa57d13e50ce9d74a91c9315c9b0ded00fbc19f
 Built with --nohooks: false
 Is local checkout: false
 Remote URL: https://github.com/facebook/react-native-devtools-frontend
@@ -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 ${i} is not registered`);e.enabledByDefault=()=>!0}else this.#t.add(i)}copyInto(e,t=""){for(const[n,r]of this.#e)e.register(n,t+r.title,r.unstable,r.docLink,r.feedbackLink),r.enabledByDefault({isReactNativeEntryPoint:i.isReactNativeEntryPoint})&&e.enableExperimentsByDefault([n]);for(const t of this.#t)e.enableExperimentsByDefault([t]);i.didInitializeExperiments=!0}};r.register({name:t.JS_HEAP_PROFILER_ENABLE,title:"Enable Heap Profiler (Memory Panel)",unstable:!1,enabledByDefault:({isReactNativeEntryPoint:e})=>!e}),r.register({name:t.REACT_NATIVE_SPECIFIC_UI,title:"Show React Native-specific UI",unstable:!1,enabledByDefault:({isReactNativeEntryPoint:e})=>e}),r.register({name:t.ENABLE_NETWORK_PANEL,title:"Enable Network panel",unstable:!0,enabledByDefault:()=>!1});var a=Object.freeze({__proto__:null,Instance:r,RNExperimentName:t,setIsReactNativeEntryPoint:function(e){if(i.didInitializeExperiments)throw new Error("setIsReactNativeEntryPoint must be called before constructing MainImpl");i.isReactNativeEntryPoint=e}});export{a as RNExperimentsImpl};
@@ -1 +1 @@
-import*as e from"../platform/platform.js";const t=new URLSearchParams(location.search);let n,r,s="";function a(){return window.location.pathname}function i(e){return["node_app","js_app"].some((t=>e.includes(t)))}class o{constructor(){}static instance(e={forceNew:null}){const{forceNew:t}=e;return n&&!t||(n=new o),n}static removeInstance(){n=void 0}static queryParam(e){return t.get(e)}static setQueryParamForTesting(e,n){t.set(e,n)}static isNode(){return void 0===r&&(r=i(a())),r}static setPlatform(e){s=e}static platform(){return s}static isDescriptorEnabled(e){const{experiment:t}=e;if("*"===t)return!0;if(t&&t.startsWith("!")&&h.isEnabled(t.substring(1)))return!1;if(t&&!t.startsWith("!")&&!h.isEnabled(t))return!1;const{condition:n}=e;return!n||n(_)}loadLegacyModule(e){console.log("Loading legacy module: "+e);return import(`../../${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};
@@ -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": {
@@ -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)
@@ -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("${bundleFile}.hbc")
      val outputSourceMap = resolveOutputSourceMap(bundleAssetFilename)
      val compilerSourceMap = resolveCompilerSourceMap(bundleAssetFilename)
@@ -14,6 +14,7 @@ import com.facebook.react.utils.PropertyUtils.INCLUDE_JITPACK_REPOSITORY
 import com.facebook.react.utils.PropertyUtils.INCLUDE_JITPACK_REPOSITORY_DEFAULT
 import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_PUBLISHING_GROUP
 import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_V1_VERSION_NAME
+import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_VERSION_NAME
 import com.facebook.react.utils.PropertyUtils.INTERNAL_REACT_NATIVE_MAVEN_LOCAL_REPO
 import com.facebook.react.utils.PropertyUtils.INTERNAL_REACT_PUBLISHING_GROUP
 import com.facebook.react.utils.PropertyUtils.INTERNAL_USE_HERMES_NIGHTLY
@@ -139,11 +140,7 @@ internal object DependencyUtils {
          // Contributors only: The hermes-engine version is forced only if the user has
          // not opted into using nightlies for local development.
          configuration.resolutionStrategy.force(
-              // TODO: T237406039 update coordinates
-              if (hermesV1Enabled)
-                  "${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()

@@ -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/"
@@ -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"
 }
@@ -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
              """
@@ -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)
@@ -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>
  );
 }
@@ -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();
  });

@@ -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, ^{
@@ -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',
+          ),
+        );
      }
    });
  },
@@ -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: {
@@ -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,
      });
@@ -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.
@@ -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';
@@ -144,11 +147,25 @@ const ReactNativeStyleAttributes: {[string]: AnyAttributeType, ...} = {
    : {process: processBoxShadow},

  /**
-   * Linear Gradient
+   * BackgroundImage
   */
-  experimental_backgroundImage: ReactNativeFeatureFlags.enableNativeCSSParsing()
-    ? true
-    : {process: processBackgroundImage},
+  experimental_backgroundImage: {process: processBackgroundImage},
+
+  /**
+   * BackgroundSize
+   */
+  experimental_backgroundSize: {process: processBackgroundSize},
+
+  /**
+   * BackgroundPosition
+   */
+  experimental_backgroundPosition: {process: processBackgroundPosition},
+
+  /**
+   * BackgroundRepeat
+   */
+  experimental_backgroundRepeat: {process: processBackgroundRepeat},
+
  /**
   * View
   */
@@ -20,7 +20,9 @@ if (NativePerformance) {
    // $FlowExpectedError[cannot-write]
    global.performance = {
      mark: () => {},
+      clearMarks: () => {},
      measure: () => {},
+      clearMeasures: () => {},
      now: () => {
        const performanceNow = global.nativePerformanceNow || Date.now;
        return performanceNow();
@@ -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});
@@ -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> =
@@ -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;
 }

@@ -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;
@@ -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:@{
@@ -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]);
 }
@@ -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
@@ -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)};
  }
 }

@@ -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]);
 }
@@ -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));
 }
@@ -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,
+  },
 });
@@ -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]
@@ -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]
@@ -182,6 +182,15 @@ const validAttributesForNonEventProps = {
  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)
    : {process: require('../StyleSheet/processBoxShadow').default},
@@ -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;
@@ -797,9 +797,9 @@ RCT_EXPORT_MODULE()

 #pragma mark - JS API

-RCT_EXPORT_METHOD(sendRequest
-                  : (JS::NativeNetworkingIOS::SpecSendRequestQuery &)query callback
-                  : (RCTResponseSenderBlock)responseSender)
+RCT_EXPORT_METHOD(
+    sendRequest : (JS::NativeNetworkingIOS::SpecSendRequestQuery &)query callback : (RCTResponseSenderBlock)
+        responseSender)
 {
  NSString *method = query.method();
  NSString *url = query.url();
@@ -14,7 +14,6 @@ import type {
  EventCallback,
  EventListener,
 } from '../../src/private/webapis/dom/events/EventTarget';
-import type Performance from '../../src/private/webapis/performance/Performance';
 import type {IPerformanceLogger} from '../Utilities/createPerformanceLogger';

 import Event from '../../src/private/webapis/dom/events/Event';
@@ -34,13 +33,7 @@ const RCTNetworking = require('./RCTNetworking').default;
 const base64 = require('base64-js');
 const invariant = require('invariant');

-const PERFORMANCE_TRACK_NAME = 'Network (JS-initiated only)';
-const PERFORMANCE_TRACK_GROUP = 'Chrome DevTools Temp Compat';
-
-declare var performance: Performance;
-
 const DEBUG_NETWORK_SEND_DELAY: false = false; // Set to a number of milliseconds when debugging
-const LABEL_FOR_MISSING_URL_FOR_PROFILING = 'Unknown URL';

 export type NativeResponseType = 'base64' | 'blob' | 'text';
 export type ResponseType =
@@ -141,7 +134,6 @@ class XMLHttpRequest extends EventTarget {
  static DONE: number = DONE;

  static _interceptor: ?XHRInterceptor = null;
-  static _profiling: boolean = false;

  UNSENT: number = UNSENT;
  OPENED: number = OPENED;
@@ -182,10 +174,6 @@ class XMLHttpRequest extends EventTarget {
    XMLHttpRequest._interceptor = interceptor;
  }

-  static enableProfiling(enableProfiling: boolean): void {
-    XMLHttpRequest._profiling = enableProfiling;
-  }
-
  constructor() {
    super();
    this._reset();
@@ -389,23 +377,12 @@ class XMLHttpRequest extends EventTarget {
      return;
    }

-    const start = XMLHttpRequest._profiling ? performance.now() : undefined;
-
    if (!this._response) {
      this._response = responseText;
    } else {
      this._response += responseText;
    }

-    if (XMLHttpRequest._profiling) {
-      console.timeStamp(
-        'Incremental Data: ' + this._getMeasureURL(),
-        start,
-        undefined,
-        PERFORMANCE_TRACK_NAME,
-        PERFORMANCE_TRACK_GROUP,
-      );
-    }
    XMLHttpRequest._interceptor &&
      XMLHttpRequest._interceptor.dataReceived(requestId, responseText);

@@ -450,16 +427,7 @@ class XMLHttpRequest extends EventTarget {
      this._clearSubscriptions();
      this._requestId = null;
      this.setReadyState(this.DONE);
-      if (XMLHttpRequest._profiling && this._startTime != null) {
-        const start = this._startTime;
-        console.timeStamp(
-          this._getMeasureURL(),
-          start,
-          undefined,
-          PERFORMANCE_TRACK_NAME,
-          PERFORMANCE_TRACK_GROUP,
-        );
-      }
+
      if (error) {
        XMLHttpRequest._interceptor &&
          XMLHttpRequest._interceptor.loadingFailed(requestId, error);
@@ -729,12 +697,6 @@ class XMLHttpRequest extends EventTarget {
    super.addEventListener(type, listener);
  }

-  _getMeasureURL(): string {
-    return (
-      this._trackingName ?? this._url ?? LABEL_FOR_MISSING_URL_FOR_PROFILING
-    );
-  }
-
  /*
   * `on<event>` event handling (without JS prototype magic).
   */
@@ -8,15 +8,26 @@
 * @format
 */

+import * as ReactNativeFeatureFlags from '../../src/private/featureflags/ReactNativeFeatureFlags';
 import Pressability, {
  type EventHandlers,
  type PressabilityConfig,
 } from './Pressability';
-import {useEffect, useRef} from 'react';
+import {useEffect, useInsertionEffect, useRef} from 'react';

 declare function usePressability(config: PressabilityConfig): EventHandlers;
 declare function usePressability(config: null | void): null | EventHandlers;

+// Experiments with using `useInsertionEffect` instead of `useEffect`, which
+// changes whether `Pressability` is configured or reset when inm a hidden
+// Activity. With `useInsertionEffect`, `Pressability` behaves more like a
+// platform control (e.g. Pointer Events), especially with respect to events
+// like focus and blur.
+const useConfigurationEffect =
+  ReactNativeFeatureFlags.configurePressabilityDuringInsertion()
+    ? useInsertionEffect
+    : useEffect;
+
 /**
 * Creates a persistent instance of `Pressability` that automatically configures
 * itself and resets. Accepts null `config` to support lazy initialization. Once
@@ -40,7 +51,7 @@ export default function usePressability(

  // On the initial mount, this is a no-op. On updates, `pressability` will be
  // re-configured to use the new configuration.
-  useEffect(() => {
+  useConfigurationEffect(() => {
    if (config != null && pressability != null) {
      pressability.configure(config);
    }
@@ -48,7 +59,7 @@ export default function usePressability(

  // On unmount, reset pending state and timers inside `pressability`. This is
  // a separate effect because we do not want to reset when `config` changes.
-  useEffect(() => {
+  useConfigurationEffect(() => {
    if (pressability != null) {
      return () => {
        pressability.reset();
@@ -327,10 +327,9 @@ RCT_EXPORT_METHOD(getApplicationIconBadgeNumber : (RCTResponseSenderBlock)callba
  callback(@[ @(RCTSharedApplication().applicationIconBadgeNumber) ]);
 }

-RCT_EXPORT_METHOD(requestPermissions
-                  : (JS::NativePushNotificationManagerIOS::SpecRequestPermissionsPermission &)permissions resolve
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    requestPermissions : (JS::NativePushNotificationManagerIOS::SpecRequestPermissionsPermission &)
+        permissions resolve : (RCTPromiseResolveBlock)resolve reject : (RCTPromiseRejectBlock)reject)
 {
  if (RCTRunningInAppExtension()) {
    reject(
@@ -506,9 +505,8 @@ RCT_EXPORT_METHOD(cancelLocalNotifications : (NSDictionary<NSString *, id> *)use
  }];
 }

-RCT_EXPORT_METHOD(getInitialNotification
-                  : (RCTPromiseResolveBlock)resolve reject
-                  : (__unused RCTPromiseRejectBlock)reject)
+RCT_EXPORT_METHOD(
+    getInitialNotification : (RCTPromiseResolveBlock)resolve reject : (__unused RCTPromiseRejectBlock)reject)
 {
  // The user actioned a local or remote notification to launch the app. Notification is represented by UNNotification.
  // Set this property in the implementation of
@@ -1,152 +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
- */
-
-import type {
-  HostInstance,
-  MeasureInWindowOnSuccessCallback,
-  MeasureLayoutOnSuccessCallback,
-  MeasureOnSuccessCallback,
-  NativeMethods,
-} from '../../../src/private/types/HostInstance';
-import type {
-  InternalInstanceHandle,
-  ViewConfig,
-} from '../../Renderer/shims/ReactNativeTypes';
-
-import TextInputState from '../../Components/TextInput/TextInputState';
-import {getNodeFromInternalInstanceHandle} from '../../ReactNative/RendererProxy';
-import {getFabricUIManager} from '../FabricUIManager';
-import {create} from './ReactNativeAttributePayload';
-import warnForStyleProps from './warnForStyleProps';
-import nullthrows from 'nullthrows';
-
-const {
-  measure: fabricMeasure,
-  measureInWindow: fabricMeasureInWindow,
-  measureLayout: fabricMeasureLayout,
-  getBoundingClientRect: fabricGetBoundingClientRect,
-  setNativeProps,
-} = nullthrows(getFabricUIManager());
-
-const noop = () => {};
-
-/**
- * This is used for refs on host components.
- */
-export default class ReactFabricHostComponent implements NativeMethods {
-  // These need to be accessible from `ReactFabricPublicInstanceUtils`.
-  __nativeTag: number;
-  __internalInstanceHandle: InternalInstanceHandle;
-
-  _viewConfig: ViewConfig;
-
-  constructor(
-    tag: number,
-    viewConfig: ViewConfig,
-    internalInstanceHandle: InternalInstanceHandle,
-  ) {
-    this.__nativeTag = tag;
-    this._viewConfig = viewConfig;
-    this.__internalInstanceHandle = internalInstanceHandle;
-  }
-
-  blur() {
-    // $FlowFixMe[incompatible-type] - Error supressed during the migration of HostInstance to ReactNativeElement
-    TextInputState.blurTextInput(this);
-  }
-
-  focus() {
-    // $FlowFixMe[incompatible-type] - Error supressed during the migration of HostInstance to ReactNativeElement
-    TextInputState.focusTextInput(this);
-  }
-
-  measure(callback: MeasureOnSuccessCallback) {
-    const node = getNodeFromInternalInstanceHandle(
-      this.__internalInstanceHandle,
-    );
-    if (node != null) {
-      fabricMeasure(node, callback);
-    }
-  }
-
-  measureInWindow(callback: MeasureInWindowOnSuccessCallback) {
-    const node = getNodeFromInternalInstanceHandle(
-      this.__internalInstanceHandle,
-    );
-    if (node != null) {
-      fabricMeasureInWindow(node, callback);
-    }
-  }
-
-  measureLayout(
-    relativeToNativeNode: number | HostInstance,
-    onSuccess: MeasureLayoutOnSuccessCallback,
-    onFail?: () => void /* currently unused */,
-  ) {
-    if (
-      typeof relativeToNativeNode === 'number' ||
-      !(relativeToNativeNode instanceof ReactFabricHostComponent)
-    ) {
-      if (__DEV__) {
-        console.error(
-          'Warning: ref.measureLayout must be called with a ref to a native component.',
-        );
-      }
-
-      return;
-    }
-
-    const toStateNode = getNodeFromInternalInstanceHandle(
-      this.__internalInstanceHandle,
-    );
-    const fromStateNode = getNodeFromInternalInstanceHandle(
-      relativeToNativeNode.__internalInstanceHandle,
-    );
-
-    if (toStateNode != null && fromStateNode != null) {
-      fabricMeasureLayout(
-        toStateNode,
-        fromStateNode,
-        onFail != null ? onFail : noop,
-        onSuccess != null ? onSuccess : noop,
-      );
-    }
-  }
-
-  unstable_getBoundingClientRect(): DOMRect {
-    const node = getNodeFromInternalInstanceHandle(
-      this.__internalInstanceHandle,
-    );
-    if (node != null) {
-      const rect = fabricGetBoundingClientRect(node, true);
-
-      if (rect) {
-        return new DOMRect(rect[0], rect[1], rect[2], rect[3]);
-      }
-    }
-
-    // Empty rect if any of the above failed
-    return new DOMRect(0, 0, 0, 0);
-  }
-
-  setNativeProps(nativeProps: {...}): void {
-    if (__DEV__) {
-      warnForStyleProps(nativeProps, this._viewConfig.validAttributes);
-    }
-    const updatePayload = create(nativeProps, this._viewConfig.validAttributes);
-
-    const node = getNodeFromInternalInstanceHandle(
-      this.__internalInstanceHandle,
-    );
-    if (node != null && updatePayload != null) {
-      setNativeProps(node, updatePayload);
-    }
-  }
-}
@@ -13,124 +13,62 @@
 * instances and get some data from them (like their instance handle / fiber).
 */

-import type ReactNativeDocumentT from '../../../src/private/webapis/dom/nodes/ReactNativeDocument';
-import typeof * as ReactNativeDocumentModuleT from '../../../src/private/webapis/dom/nodes/ReactNativeDocument';
-import type ReactNativeElementT from '../../../src/private/webapis/dom/nodes/ReactNativeElement';
-import type ReadOnlyTextT from '../../../src/private/webapis/dom/nodes/ReadOnlyText';
-import typeof * as RendererProxyT from '../../ReactNative/RendererProxy';
 import type {
  InternalInstanceHandle,
  Node,
  ViewConfig,
 } from '../../Renderer/shims/ReactNativeTypes';
 import type {RootTag} from '../RootTag';
-import type ReactFabricHostComponentT from './ReactFabricHostComponent';

-import * as ReactNativeFeatureFlags from '../../../src/private/featureflags/ReactNativeFeatureFlags';
+import ReactNativeDocument, {
+  createReactNativeDocument,
+} from '../../../src/private/webapis/dom/nodes/ReactNativeDocument';
+import ReactNativeElement from '../../../src/private/webapis/dom/nodes/ReactNativeElement';
+import ReadOnlyText from '../../../src/private/webapis/dom/nodes/ReadOnlyText';
+import * as RendererProxy from '../../ReactNative/RendererProxy';

 export opaque type PublicRootInstance = mixed;

-// Lazy loaded to avoid evaluating the module when using the legacy renderer.
-let ReactNativeDocumentModuleObject: ?ReactNativeDocumentModuleT;
-let ReactFabricHostComponentClass: Class<ReactFabricHostComponentT>;
-let ReactNativeElementClass: Class<ReactNativeElementT>;
-let ReadOnlyTextClass: Class<ReadOnlyTextT>;
-let RendererProxy: RendererProxyT;
-
-function getReactNativeDocumentModule(): ReactNativeDocumentModuleT {
-  if (ReactNativeDocumentModuleObject == null) {
-    // We initialize this lazily to avoid a require cycle.
-    ReactNativeDocumentModuleObject = require('../../../src/private/webapis/dom/nodes/ReactNativeDocument');
-  }
-
-  return ReactNativeDocumentModuleObject;
-}
-
-function getReactNativeElementClass(): Class<ReactNativeElementT> {
-  if (ReactNativeElementClass == null) {
-    ReactNativeElementClass =
-      require('../../../src/private/webapis/dom/nodes/ReactNativeElement').default;
-  }
-  return ReactNativeElementClass;
-}
-
-function getReactFabricHostComponentClass(): Class<ReactFabricHostComponentT> {
-  if (ReactFabricHostComponentClass == null) {
-    ReactFabricHostComponentClass =
-      require('./ReactFabricHostComponent').default;
-  }
-  return ReactFabricHostComponentClass;
-}
-
-function getReadOnlyTextClass(): Class<ReadOnlyTextT> {
-  if (ReadOnlyTextClass == null) {
-    ReadOnlyTextClass =
-      require('../../../src/private/webapis/dom/nodes/ReadOnlyText').default;
-  }
-  return ReadOnlyTextClass;
-}
-
 export function createPublicRootInstance(rootTag: RootTag): PublicRootInstance {
-  if (ReactNativeFeatureFlags.enableAccessToHostTreeInFabric()) {
-    const ReactNativeDocumentModule = getReactNativeDocumentModule();
-
-    // $FlowExpectedError[incompatible-return]
-    return ReactNativeDocumentModule.createReactNativeDocument(rootTag);
-  }
-
  // $FlowExpectedError[incompatible-return]
-  return null;
+  return createReactNativeDocument(rootTag);
 }

 export function createPublicInstance(
  tag: number,
  viewConfig: ViewConfig,
  internalInstanceHandle: InternalInstanceHandle,
-  ownerDocument: ReactNativeDocumentT,
-): ReactFabricHostComponentT | ReactNativeElementT {
-  if (ReactNativeFeatureFlags.enableAccessToHostTreeInFabric()) {
-    const ReactNativeElement = getReactNativeElementClass();
-    return new ReactNativeElement(
-      tag,
-      viewConfig,
-      internalInstanceHandle,
-      ownerDocument,
-    );
-  } else {
-    const ReactFabricHostComponent = getReactFabricHostComponentClass();
-    return new ReactFabricHostComponent(
-      tag,
-      viewConfig,
-      internalInstanceHandle,
-    );
-  }
+  ownerDocument: ReactNativeDocument,
+): ReactNativeElement {
+  return new ReactNativeElement(
+    tag,
+    viewConfig,
+    internalInstanceHandle,
+    ownerDocument,
+  );
 }

 export function createPublicTextInstance(
  internalInstanceHandle: InternalInstanceHandle,
-  ownerDocument: ReactNativeDocumentT,
-): ReadOnlyTextT {
-  const ReadOnlyText = getReadOnlyTextClass();
+  ownerDocument: ReactNativeDocument,
+): ReadOnlyText {
  return new ReadOnlyText(internalInstanceHandle, ownerDocument);
 }

 export function getNativeTagFromPublicInstance(
-  publicInstance: ReactFabricHostComponentT | ReactNativeElementT,
+  publicInstance: ReactNativeElement,
 ): number {
  return publicInstance.__nativeTag;
 }

 export function getNodeFromPublicInstance(
-  publicInstance: ReactFabricHostComponentT | ReactNativeElementT,
+  publicInstance: ReactNativeElement,
 ): ?Node {
  // Avoid loading ReactFabric if using an instance from the legacy renderer.
  if (publicInstance.__internalInstanceHandle == null) {
    return null;
  }

-  if (RendererProxy == null) {
-    RendererProxy = require('../../ReactNative/RendererProxy');
-  }
  return RendererProxy.getNodeFromInternalInstanceHandle(
    // $FlowExpectedError[incompatible-type] __internalInstanceHandle is always an InternalInstanceHandle from React when we get here.
    publicInstance.__internalInstanceHandle,
@@ -138,7 +76,7 @@ export function getNodeFromPublicInstance(
 }

 export function getInternalInstanceHandleFromPublicInstance(
-  publicInstance: ReactFabricHostComponentT | ReactNativeElementT,
+  publicInstance: ReactNativeElement,
 ): InternalInstanceHandle {
  // TODO(T174762768): Remove this once OSS versions of renderers will be synced.
  // $FlowExpectedError[prop-missing] Keeping this for backwards-compatibility with the renderers versions in open source.
@@ -1,75 +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
- */
-
-import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
-
-import type {
-  InternalInstanceHandle,
-  ViewConfig,
-} from 'react-native/Libraries/Renderer/shims/ReactNativeTypes';
-import type ReactNativeDocument from 'react-native/src/private/webapis/dom/nodes/ReactNativeDocument';
-
-import * as Fantom from '@react-native/fantom';
-import ReactFabricHostComponent from 'react-native/Libraries/ReactNative/ReactFabricPublicInstance/ReactFabricHostComponent';
-import ReactNativeElement from 'react-native/src/private/webapis/dom/nodes/ReactNativeElement';
-
-// Create fake parameters for the class.
-const tag = 11;
-const viewConfig: ViewConfig = {
-  uiViewClassName: 'test',
-  validAttributes: {
-    style: {},
-  },
-};
-// $FlowExpectedError[incompatible-type]
-const internalInstanceHandle: InternalInstanceHandle = {};
-// $FlowExpectedError[incompatible-type]
-const ownerDocument: ReactNativeDocument = {};
-
-const ITERATIONS = 100;
-
-const now = Fantom.unstable_benchmark.now;
-
-/* eslint-disable no-new */
-Fantom.unstable_benchmark
-  .suite('ReactNativeElement vs. ReactFabricHostComponent', {
-    minIterations: 50000,
-  })
-  .test('ReactNativeElement', () => {
-    // This logic is very fast and if we only run it once the cost of calling
-    // the benchmark function itself is significant. Calling it in a loop and
-    // computing the average is more accurate to account for that.
-    const start = now();
-    for (let i = 0; i < ITERATIONS; i++) {
-      new ReactNativeElement(
-        tag,
-        viewConfig,
-        internalInstanceHandle,
-        ownerDocument,
-      );
-    }
-    const end = now();
-    return {
-      overriddenDuration: (end - start) / ITERATIONS,
-    };
-  })
-  .test('ReactFabricHostComponent', () => {
-    // This logic is very fast and if we only run it once the cost of calling
-    // the benchmark function itself is significant. Calling it in a loop and
-    // computing the average is more accurate to account for that.
-    const start = now();
-    for (let i = 0; i < ITERATIONS; i++) {
-      new ReactFabricHostComponent(tag, viewConfig, internalInstanceHandle);
-    }
-    const end = now();
-    return {
-      overriddenDuration: (end - start) / ITERATIONS,
-    };
-  });
@@ -1,353 +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
- * @fantom_flags enableAccessToHostTreeInFabric:*
- */
-
-import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
-
-import type {HostInstance} from 'react-native';
-
-import ReactNativeElement from '../../../../src/private/webapis/dom/nodes/ReactNativeElement';
-import TextInput from '../../../Components/TextInput/TextInput';
-import TextInputState from '../../../Components/TextInput/TextInputState';
-import View from '../../../Components/View/View';
-import ReactFabricHostComponent from '../ReactFabricHostComponent';
-import * as Fantom from '@react-native/fantom';
-import nullthrows from 'nullthrows';
-import * as React from 'react';
-import {createRef} from 'react';
-import * as ReactNativeFeatureFlags from 'react-native/src/private/featureflags/ReactNativeFeatureFlags';
-
-// TODO: move these tests to the test file for `ReactNativeElement` when the legacy implementation is removed.
-describe('ReactFabricPublicInstance', () => {
-  it('should provide instances of the right class as refs in host components', () => {
-    const nodeRef = createRef<HostInstance>();
-
-    const root = Fantom.createRoot();
-    Fantom.runTask(() => {
-      root.render(<View ref={nodeRef} />);
-    });
-
-    const node = nullthrows(nodeRef.current);
-
-    expect(node).toBeInstanceOf(
-      ReactNativeFeatureFlags.enableAccessToHostTreeInFabric()
-        ? ReactNativeElement
-        : ReactFabricHostComponent,
-    );
-  });
-
-  describe('blur', () => {
-    test('blur() invokes TextInputState', () => {
-      const root = Fantom.createRoot();
-      const nodeRef = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(<TextInput ref={nodeRef} />);
-      });
-
-      const node = nullthrows(nodeRef.current);
-
-      const blurTextInput = jest.fn();
-
-      // We don't support view commands in Fantom yet, so we have to mock this.
-      TextInputState.blurTextInput = blurTextInput;
-
-      Fantom.runTask(() => {
-        node.blur();
-      });
-
-      expect(blurTextInput).toHaveBeenCalledTimes(1);
-      expect(blurTextInput.mock.calls).toEqual([[node]]);
-    });
-  });
-
-  describe('focus', () => {
-    test('focus() invokes TextInputState', () => {
-      const root = Fantom.createRoot();
-      const ref = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(<TextInput ref={ref} />);
-      });
-
-      const node = nullthrows(ref.current);
-
-      const focusTextInput = jest.fn();
-
-      // We don't support view commands in Fantom yet, so we have to mock this.
-      TextInputState.focusTextInput = focusTextInput;
-
-      Fantom.runTask(() => {
-        node.focus();
-      });
-
-      expect(focusTextInput).toHaveBeenCalledTimes(1);
-      expect(focusTextInput.mock.calls).toEqual([[node]]);
-    });
-  });
-
-  describe('measure', () => {
-    it('component.measure(...) invokes callback', () => {
-      const root = Fantom.createRoot();
-      const ref = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(
-          <View
-            style={{width: 100, height: 100, left: 10, top: 10}}
-            ref={ref}
-          />,
-        );
-      });
-
-      const node = nullthrows(ref.current);
-
-      const callback = jest.fn();
-      node.measure(callback);
-
-      expect(callback).toHaveBeenCalledTimes(1);
-      expect(callback.mock.calls).toEqual([[10, 10, 100, 100, 10, 10]]);
-    });
-
-    it('unmounted.measure(...) does nothing', () => {
-      const root = Fantom.createRoot();
-      const ref = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(
-          <View
-            style={{width: 100, height: 100, left: 10, top: 10}}
-            ref={ref}
-          />,
-        );
-      });
-
-      const node = nullthrows(ref.current);
-
-      Fantom.runTask(() => {
-        root.render(<></>);
-      });
-
-      const callback = jest.fn();
-      node.measure(callback);
-
-      expect(callback).not.toHaveBeenCalled();
-    });
-  });
-
-  describe('measureInWindow', () => {
-    it('component.measureInWindow(...) invokes callback', () => {
-      const root = Fantom.createRoot();
-      const ref = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(
-          <View
-            style={{width: 100, height: 100, left: 10, top: 10}}
-            ref={ref}
-          />,
-        );
-      });
-
-      const node = nullthrows(ref.current);
-
-      const callback = jest.fn();
-      node.measureInWindow(callback);
-
-      expect(callback).toHaveBeenCalledTimes(1);
-      expect(callback.mock.calls).toEqual([[10, 10, 100, 100]]);
-    });
-
-    it('unmounted.measureInWindow(...) does nothing', () => {
-      const root = Fantom.createRoot();
-      const ref = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(
-          <View
-            style={{width: 100, height: 100, left: 10, top: 10}}
-            ref={ref}
-          />,
-        );
-      });
-
-      const node = nullthrows(ref.current);
-
-      Fantom.runTask(() => {
-        root.render(<></>);
-      });
-
-      const callback = jest.fn();
-      node.measureInWindow(callback);
-
-      expect(callback).not.toHaveBeenCalled();
-    });
-  });
-
-  describe('measureLayout', () => {
-    it('component.measureLayout(component, ...) invokes callback', () => {
-      const root = Fantom.createRoot();
-      const parentRef = createRef<HostInstance>();
-      const childRef = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(
-          <View
-            style={{width: 100, height: 100, left: 10, top: 10}}
-            ref={parentRef}>
-            <View
-              style={{width: 10, height: 10, left: 20, top: 20}}
-              ref={childRef}
-            />
-          </View>,
-        );
-      });
-
-      const parentNode = nullthrows(parentRef.current);
-      const childNode = nullthrows(childRef.current);
-
-      const callback = jest.fn();
-      childNode.measureLayout(parentNode, callback);
-
-      expect(callback).toHaveBeenCalledTimes(1);
-      expect(callback.mock.calls).toEqual([[20, 20, 10, 10]]);
-    });
-
-    it('unmounted.measureLayout(component, ...) does nothing', () => {
-      const root = Fantom.createRoot();
-      const parentRef = createRef<HostInstance>();
-      const childRef = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(
-          <View
-            style={{width: 100, height: 100, left: 10, top: 10}}
-            ref={parentRef}>
-            <View
-              style={{width: 10, height: 10, left: 20, top: 20}}
-              ref={childRef}
-            />
-          </View>,
-        );
-      });
-
-      const parentNode = nullthrows(parentRef.current);
-      const childNode = nullthrows(childRef.current);
-
-      Fantom.runTask(() => {
-        root.render(
-          <View style={{width: 100, height: 100, left: 10, top: 10}} />,
-        );
-      });
-
-      const callback = jest.fn();
-      childNode.measureLayout(parentNode, callback);
-
-      expect(callback).not.toHaveBeenCalled();
-    });
-
-    it('component.measureLayout(unmounted, ...) does nothing', () => {
-      const root = Fantom.createRoot();
-      const parentRef = createRef<HostInstance>();
-      const childRef = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(
-          <View
-            style={{width: 100, height: 100, left: 10, top: 10}}
-            ref={parentRef}>
-            <View
-              style={{width: 10, height: 10, left: 20, top: 20}}
-              ref={childRef}
-            />
-          </View>,
-        );
-      });
-
-      const parentNode = nullthrows(parentRef.current);
-      const childNode = nullthrows(childRef.current);
-
-      Fantom.runTask(() => {
-        root.render(
-          <View style={{width: 100, height: 100, left: 10, top: 10}} />,
-        );
-      });
-
-      const callback = jest.fn();
-      parentNode.measureLayout(childNode, callback);
-
-      expect(callback).not.toHaveBeenCalled();
-    });
-
-    it('unmounted.measureLayout(unmounted, ...) does nothing', () => {
-      const root = Fantom.createRoot();
-      const parentRef = createRef<HostInstance>();
-      const childRef = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(
-          <View
-            style={{width: 100, height: 100, left: 10, top: 10}}
-            ref={parentRef}>
-            <View
-              style={{width: 10, height: 10, left: 20, top: 20}}
-              ref={childRef}
-            />
-          </View>,
-        );
-      });
-
-      const parentNode = nullthrows(parentRef.current);
-      const childNode = nullthrows(childRef.current);
-
-      Fantom.runTask(() => {
-        root.render(<></>);
-      });
-
-      const callback = jest.fn();
-      childNode.measureLayout(parentNode, callback);
-
-      expect(callback).not.toHaveBeenCalled();
-    });
-  });
-
-  describe('setNativeProps', () => {
-    it('should propagate changes to the host component', () => {
-      const root = Fantom.createRoot();
-      const nodeRef = createRef<HostInstance>();
-
-      Fantom.runTask(() => {
-        root.render(<View ref={nodeRef} testID="first test id" />);
-      });
-
-      expect(
-        root
-          .getRenderedOutput({
-            props: ['testID'],
-          })
-          .toJSX(),
-      ).toEqual(<rn-view testID={'first test id'} />);
-
-      const element = nullthrows(nodeRef.current);
-
-      Fantom.runTask(() => {
-        element.setNativeProps({testID: 'second test id'});
-      });
-
-      expect(
-        root
-          .getRenderedOutput({
-            props: ['testID'],
-          })
-          .toJSX(),
-      ).toEqual(<rn-view testID={'second test id'} />);
-    });
-  });
-});
@@ -0,0 +1,181 @@
+/**
+ * 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.
+ *
+ * @fantom_flags updateRuntimeShadowNodeReferencesOnCommit:true
+ * @fantom_react_fb_flags passChildrenWhenCloningPersistedNodes:true
+ * @flow strict-local
+ * @format
+ */
+
+import '@react-native/fantom/src/setUpDefaultReactNativeEnvironment';
+
+import * as Fantom from '@react-native/fantom';
+import * as React from 'react';
+import {View} from 'react-native';
+
+describe('Render updates with passChildrenWhenCloningPersistedNodes', () => {
+  it('updates the runtime shadow node reference correctly when using sync on commit', () => {
+    const root = Fantom.createRoot();
+
+    // Initial render setting to row items next to each other
+    Fantom.runTask(() => {
+      root.render(
+        <View nativeID="parent" style={{flex: 1, flexDirection: 'row'}}>
+          <View
+            nativeID="initial-child-1"
+            key="1"
+            style={{width: 100, height: 32}}
+          />
+          <View
+            nativeID="initial-child-2"
+            key="2"
+            style={{width: 100, height: 32}}>
+            <View nativeID="sub-child-2-1" key="1" />
+          </View>
+        </View>,
+      );
+    });
+
+    // Insert new items on the row between the previous two items
+    Fantom.runTask(() => {
+      root.render(
+        <View nativeID="parent" style={{flex: 1, flexDirection: 'row'}}>
+          <View
+            nativeID="initial-child-1"
+            key="1"
+            style={{width: 100, height: 32}}
+          />
+          <View
+            nativeID="inserted-child-1"
+            key="3"
+            style={{width: 100, height: 32}}
+          />
+          <View
+            nativeID="initial-child-2"
+            key="2"
+            style={{width: 100, height: 32}}>
+            <View nativeID="sub-child-2-1" key="1" />
+          </View>
+          <View
+            nativeID="inserted-child-2"
+            key="4"
+            style={{width: 100, height: 32}}
+          />
+          <View
+            nativeID="inserted-child-3"
+            key="5"
+            style={{width: 100, height: 32}}
+          />
+        </View>,
+      );
+    });
+
+    // Update a prop on the children of the original row item to force a clone
+    Fantom.runTask(() => {
+      root.render(
+        <View nativeID="parent" style={{flex: 1, flexDirection: 'row'}}>
+          <View
+            nativeID="initial-child-1"
+            key="1"
+            style={{width: 100, height: 32}}
+          />
+          <View
+            nativeID="inserted-child-1"
+            key="3"
+            style={{width: 100, height: 32}}
+          />
+          <View
+            nativeID="initial-child-2"
+            key="2"
+            style={{width: 100, height: 32}}>
+            <View
+              nativeID="sub-child-2-1"
+              key="1"
+              testID="prop-change-to-force-clone"
+            />
+          </View>
+          <View
+            nativeID="inserted-child-2"
+            key="4"
+            style={{width: 100, height: 32}}
+          />
+          <View
+            nativeID="inserted-child-3"
+            key="5"
+            style={{width: 100, height: 32}}
+          />
+        </View>,
+      );
+    });
+
+    // The row items should all be layed out next to each other
+    expect(
+      root
+        .getRenderedOutput({
+          includeLayoutMetrics: true,
+          props: ['layoutMetrics-frame', 'nativeID'],
+        })
+        .toJSON(),
+    ).toEqual({
+      type: 'View',
+      props: {
+        'layoutMetrics-frame': '{x:0,y:0,width:390,height:844}',
+        nativeID: 'parent',
+      },
+      children: [
+        {
+          type: 'View',
+          props: {
+            'layoutMetrics-frame': '{x:0,y:0,width:100,height:32}',
+            nativeID: 'initial-child-1',
+          },
+          children: [],
+        },
+        {
+          type: 'View',
+          props: {
+            'layoutMetrics-frame': '{x:100,y:0,width:100,height:32}',
+            nativeID: 'inserted-child-1',
+          },
+          children: [],
+        },
+        {
+          type: 'View',
+          props: {
+            'layoutMetrics-frame': '{x:200,y:0,width:100,height:32}',
+            nativeID: 'initial-child-2',
+          },
+          children: [
+            {
+              type: 'View',
+              props: {
+                'layoutMetrics-frame': '{x:0,y:0,width:100,height:0}',
+                nativeID: 'sub-child-2-1',
+              },
+              children: [],
+            },
+          ],
+        },
+        {
+          type: 'View',
+          props: {
+            'layoutMetrics-frame': '{x:300,y:0,width:100,height:32}',
+            nativeID: 'inserted-child-2',
+          },
+          children: [],
+        },
+        {
+          type: 'View',
+          props: {
+            'layoutMetrics-frame': '{x:400,y:0,width:100,height:32}',
+            nativeID: 'inserted-child-3',
+          },
+          children: [],
+        },
+      ],
+    });
+  });
+});
@@ -17,6 +17,12 @@ const ReactNativeStyleAttributes =
 const resolveAssetSource = require('../Image/resolveAssetSource').default;
 const processBackgroundImage =
  require('../StyleSheet/processBackgroundImage').default;
+const processBackgroundPosition =
+  require('../StyleSheet/processBackgroundPosition').default;
+const processBackgroundRepeat =
+  require('../StyleSheet/processBackgroundRepeat').default;
+const processBackgroundSize =
+  require('../StyleSheet/processBackgroundSize').default;
 const processColor = require('../StyleSheet/processColor').default;
 const processColorArray = require('../StyleSheet/processColorArray').default;
 const processFilter = require('../StyleSheet/processFilter').default;
@@ -203,6 +209,12 @@ function getProcessorForType(typeName: string): ?(nextProp: any) => any {
      return processFilter;
    case 'BackgroundImage':
      return processBackgroundImage;
+    case 'BackgroundPosition':
+      return processBackgroundPosition;
+    case 'BackgroundRepeat':
+      return processBackgroundRepeat;
+    case 'BackgroundSize':
+      return processBackgroundSize;
    case 'ImageSource':
      return resolveAssetSource;
    case 'BoxShadow':
@@ -7,9 +7,9 @@
 * @noflow
 * @nolint
 * @preventMunge
- * @generated SignedSource<<90e5b8f55761c6a4805052d5b49689b8>>
 *
- * This file was sync'd from the facebook/react repository.
+ * This file is no longer sync'd from the facebook/react repository.
+ * The version compatability check is removed. Use at your own risk.
 */

 "use strict";
@@ -19455,13 +19455,6 @@ __DEV__ &&
    setSuspenseHandler = function (newShouldSuspendImpl) {
      shouldSuspendImpl = newShouldSuspendImpl;
    };
-    var isomorphicReactPackageVersion = React.version;
-    if ("19.2.0" !== isomorphicReactPackageVersion)
-      throw Error(
-        'Incompatible React versions: The "react" and "react-native-renderer" packages must have the exact same version. Instead got:\n  - react:                  ' +
-          (isomorphicReactPackageVersion +
-            "\n  - react-native-renderer:  19.2.0\nLearn more: https://react.dev/warnings/version-mismatch")
-      );
    if (
      "function" !==
      typeof ReactNativePrivateInterface.ReactFiberErrorDialog.showErrorDialog
@@ -7,9 +7,9 @@
 * @noflow
 * @nolint
 * @preventMunge
- * @generated SignedSource<<14f9eca680f3065d18eda114fb4bea9f>>
 *
- * This file was sync'd from the facebook/react repository.
+ * This file is no longer sync'd from the facebook/react repository.
+ * The version compatability check is removed. Use at your own risk.
 */

 "use strict";
@@ -10918,13 +10918,6 @@ function updateContainer(element, container, parentComponent, callback) {
    entangleTransitions(element, parentComponent, lane));
  return lane;
 }
-var isomorphicReactPackageVersion = React.version;
-if ("19.2.0" !== isomorphicReactPackageVersion)
-  throw Error(
-    'Incompatible React versions: The "react" and "react-native-renderer" packages must have the exact same version. Instead got:\n  - react:                  ' +
-      (isomorphicReactPackageVersion +
-        "\n  - react-native-renderer:  19.2.0\nLearn more: https://react.dev/warnings/version-mismatch")
-  );
 if (
  "function" !==
  typeof ReactNativePrivateInterface.ReactFiberErrorDialog.showErrorDialog
@@ -7,9 +7,9 @@
 * @noflow
 * @nolint
 * @preventMunge
- * @generated SignedSource<<238b7d9e5ffe0f30b64b3b5c7c156088>>
 *
- * This file was sync'd from the facebook/react repository.
+ * This file is no longer sync'd from the facebook/react repository.
+ * The version compatability check is removed. Use at your own risk.
 */

 "use strict";
@@ -12713,13 +12713,6 @@ function updateContainer(element, container, parentComponent, callback) {
    entangleTransitions(element, parentComponent, lane));
  return lane;
 }
-var isomorphicReactPackageVersion = React.version;
-if ("19.2.0" !== isomorphicReactPackageVersion)
-  throw Error(
-    'Incompatible React versions: The "react" and "react-native-renderer" packages must have the exact same version. Instead got:\n  - react:                  ' +
-      (isomorphicReactPackageVersion +
-        "\n  - react-native-renderer:  19.2.0\nLearn more: https://react.dev/warnings/version-mismatch")
-  );
 if (
  "function" !==
  typeof ReactNativePrivateInterface.ReactFiberErrorDialog.showErrorDialog
@@ -7,9 +7,7 @@
 * @noformat
 * @nolint
 * @flow
- * @generated SignedSource<<16b364e89f43b8a47832b0dfb98af11e>>
- *
- * This file was sync'd from the facebook/react repository.
+ * @generated SignedSource<<cf323fc5ca893bab5669c7d321660412>>
 */

 'use strict';
@@ -7,9 +7,7 @@
 * @noformat
 * @nolint
 * @flow strict-local
- * @generated SignedSource<<1dd9e9c3f20e37ae14e485fc6ee3d9e9>>
- *
- * This file was sync'd from the facebook/react repository.
+ * @generated SignedSource<<908f5fb85384725318e261f40e49d9a6>>
 */

 'use strict';
@@ -7,9 +7,9 @@
 * @noformat
 * @nolint
 * @flow
- * @generated SignedSource<<e2c46705ed927302dbe9332dafba459d>>
 *
- * This file was sync'd from the facebook/react repository.
+ * This file is no longer sync'd from the facebook/react repository.
+ * The version compatability check is removed. Use at your own risk.
 */
 'use strict';

@@ -7,9 +7,7 @@
 * @noformat
 * @nolint
 * @flow strict
- * @generated SignedSource<<989e6e2e860dc2af7ba983849111bda8>>
- *
- * This file was sync'd from the facebook/react repository.
+ * @generated SignedSource<<c0e57723772ea5f1aa8c3c897ac3c216>>
 */

 import type {
@@ -7,9 +7,7 @@
 * @noformat
 * @nolint
 * @flow strict-local
- * @generated SignedSource<<67d18226984338ab9301147ce0a7d414>>
- *
- * This file was sync'd from the facebook/react repository.
+ * @generated SignedSource<<1f7876c0dc0b05685a730513dc410236>>
 */

 'use strict';
@@ -7,9 +7,7 @@
 * @noformat
 * @nolint
 * @flow strict-local
- * @generated SignedSource<<556d1487de0b9e4a09cbc67dd130a884>>
- *
- * This file was sync'd from the facebook/react repository.
+ * @generated SignedSource<<52163887de05f1cff05388145cf85b3b>>
 */

 'use strict';
@@ -44,22 +44,22 @@ struct RCTRequired {
  /// Pass-through constructor (allows for implicit conversion) for wrapped type
  /// T
  template <typename... Args>
-  RCTREQUIRED_INLINE RCTRequired(Args&&... args)
-      : _t(std::forward<Args>(args)...) {
+  RCTREQUIRED_INLINE RCTRequired(Args &&...args) : _t(std::forward<Args>(args)...)
+  {
    static_assert(
        sizeof...(Args) > 0,
        "Required struct member not initialized. Expand assert trace to see where this was triggered.");
  }

  RCTREQUIRED_INLINE
-  RCTRequired(const RCTRequired&) = default;
+  RCTRequired(const RCTRequired &) = default;
  RCTREQUIRED_INLINE
-  RCTRequired(RCTRequired&&) = default;
+  RCTRequired(RCTRequired &&) = default;

  RCTREQUIRED_INLINE
-  RCTRequired& operator=(const RCTRequired&) = default;
+  RCTRequired &operator=(const RCTRequired &) = default;
  RCTREQUIRED_INLINE
-  RCTRequired& operator=(RCTRequired&&) = default;
+  RCTRequired &operator=(RCTRequired &&) = default;

  RCTREQUIRED_INLINE
  ~RCTRequired() = default;
@@ -67,21 +67,25 @@ struct RCTRequired {
  /// Public accessor for private storage (Use when implicit conversion is
  /// impracticable)
  RCTREQUIRED_INLINE
-  const T& get() const {
+  const T &get() const
+  {
    return _t;
  }
  RCTREQUIRED_INLINE
-  T& get() {
+  T &get()
+  {
    return _t;
  }

  // Implicit conversion
  RCTREQUIRED_INLINE
-  operator T() const {
+  operator T() const
+  {
    return _t;
  }
  RCTREQUIRED_INLINE
-  operator T&() {
+  operator T &()
+  {
    return _t;
  }

@@ -779,6 +779,43 @@ type RadialGradientValue = {

 export type BackgroundImageValue = LinearGradientValue | RadialGradientValue;

+export type BackgroundSizeValue =
+  | {
+      x: string | number,
+      y: string | number,
+    }
+  | 'cover'
+  | 'contain';
+
+export type BackgroundRepeatKeyword =
+  | 'repeat'
+  | 'space'
+  | 'round'
+  | 'no-repeat';
+
+export type BackgroundPositionValue =
+  | {
+      top: number | string,
+      left: number | string,
+    }
+  | {
+      top: number | string,
+      right: number | string,
+    }
+  | {
+      bottom: number | string,
+      left: number | string,
+    }
+  | {
+      bottom: number | string,
+      right: number | string,
+    };
+
+export type BackgroundRepeatValue = {
+  x: BackgroundRepeatKeyword,
+  y: BackgroundRepeatKeyword,
+};
+
 export type BoxShadowValue = {
  offsetX: number | string,
  offsetY: number | string,
@@ -853,6 +890,13 @@ export type ____ViewStyle_InternalBase = $ReadOnly<{
  filter?: $ReadOnlyArray<FilterFunction> | string,
  mixBlendMode?: ____BlendMode_Internal,
  experimental_backgroundImage?: $ReadOnlyArray<BackgroundImageValue> | string,
+  experimental_backgroundSize?: $ReadOnlyArray<BackgroundSizeValue> | string,
+  experimental_backgroundPosition?:
+    | $ReadOnlyArray<BackgroundPositionValue>
+    | string,
+  experimental_backgroundRepeat?:
+    | $ReadOnlyArray<BackgroundRepeatValue>
+    | string,
  isolation?: 'auto' | 'isolate',
 }>;

@@ -0,0 +1,478 @@
+/**
+ * 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 processBackgroundPosition from '../processBackgroundPosition';
+
+describe('processBackgroundPosition', () => {
+  // Test null/undefined input
+  it('should handle null input', () => {
+    expect(processBackgroundPosition(null)).toEqual([]);
+  });
+
+  it('should handle undefined input', () => {
+    expect(processBackgroundPosition(undefined)).toEqual([]);
+  });
+
+  // Test empty string input
+  it('should handle empty string', () => {
+    expect(processBackgroundPosition('')).toEqual([]);
+  });
+
+  // Test array input
+  it('should handle array input', () => {
+    expect(processBackgroundPosition([{top: '50%', left: '50%'}])).toEqual([
+      {top: '50%', left: '50%'},
+    ]);
+  });
+
+  it('should handle array with multiple positions', () => {
+    expect(
+      processBackgroundPosition([{bottom: '100%', right: '100%'}]),
+    ).toEqual([{bottom: '100%', right: '100%'}]);
+  });
+
+  // Test single keyword values
+  it('should parse left', () => {
+    expect(processBackgroundPosition('left')).toEqual([
+      {top: '50%', left: '0%'},
+    ]);
+  });
+
+  it('should parse center', () => {
+    expect(processBackgroundPosition('center')).toEqual([
+      {top: '50%', left: '50%'},
+    ]);
+  });
+
+  it('should parse right', () => {
+    expect(processBackgroundPosition('right')).toEqual([
+      {top: '50%', left: '100%'},
+    ]);
+  });
+
+  it('should parse top', () => {
+    expect(processBackgroundPosition('top')).toEqual([
+      {top: '0%', left: '50%'},
+    ]);
+  });
+
+  it('should parse bottom', () => {
+    expect(processBackgroundPosition('bottom')).toEqual([
+      {top: '100%', left: '50%'},
+    ]);
+  });
+
+  // Test single length/percentage values
+  it('should parse single px value', () => {
+    expect(processBackgroundPosition('100px')).toEqual([
+      {top: '50%', left: 100},
+    ]);
+  });
+
+  it('should parse single percentage value', () => {
+    expect(processBackgroundPosition('25%')).toEqual([
+      {top: '50%', left: '25%'},
+    ]);
+  });
+
+  it('should parse single decimal px value', () => {
+    expect(processBackgroundPosition('100.5px')).toEqual([
+      {top: '50%', left: 100.5},
+    ]);
+  });
+
+  it('should parse single decimal percentage value', () => {
+    expect(processBackgroundPosition('25.5%')).toEqual([
+      {top: '50%', left: '25.5%'},
+    ]);
+  });
+
+  // Test two-value syntax
+  it('should parse left top', () => {
+    expect(processBackgroundPosition('left top')).toEqual([
+      {top: '0%', left: '0%'},
+    ]);
+  });
+
+  it('should parse left center', () => {
+    expect(processBackgroundPosition('left center')).toEqual([
+      {top: '50%', left: '0%'},
+    ]);
+  });
+
+  it('should parse center top', () => {
+    expect(processBackgroundPosition('center top')).toEqual([
+      {top: '0%', left: '50%'},
+    ]);
+  });
+
+  it('should parse center center', () => {
+    expect(processBackgroundPosition('center center')).toEqual([
+      {top: '50%', left: '50%'},
+    ]);
+  });
+
+  it('should parse center bottom', () => {
+    expect(processBackgroundPosition('center bottom')).toEqual([
+      {top: '100%', left: '50%'},
+    ]);
+  });
+
+  it('should parse right center', () => {
+    expect(processBackgroundPosition('right center')).toEqual([
+      {top: '50%', left: '100%'},
+    ]);
+  });
+
+  it('should parse right bottom', () => {
+    expect(processBackgroundPosition('right bottom')).toEqual([
+      {top: '100%', left: '100%'},
+    ]);
+  });
+
+  // Test keyword with length/percentage
+  it('should parse left with px', () => {
+    expect(processBackgroundPosition('left 100px')).toEqual([
+      {top: 100, left: '0%'},
+    ]);
+  });
+
+  it('should parse left with percentage', () => {
+    expect(processBackgroundPosition('left 25%')).toEqual([
+      {top: '25%', left: '0%'},
+    ]);
+  });
+
+  it('should parse right with px', () => {
+    expect(processBackgroundPosition('right 100px')).toEqual([
+      {top: 100, left: '100%'},
+    ]);
+  });
+
+  it('should parse right with percentage', () => {
+    expect(processBackgroundPosition('right 25%')).toEqual([
+      {top: '25%', left: '100%'},
+    ]);
+  });
+
+  // Test length/percentage with keyword
+  it('should parse px with top', () => {
+    expect(processBackgroundPosition('100px top')).toEqual([
+      {top: '0%', left: 100},
+    ]);
+  });
+
+  it('should parse px with bottom', () => {
+    expect(processBackgroundPosition('100px bottom')).toEqual([
+      {top: '100%', left: 100},
+    ]);
+  });
+
+  it('should parse percentage with top', () => {
+    expect(processBackgroundPosition('25% top')).toEqual([
+      {top: '0%', left: '25%'},
+    ]);
+  });
+
+  it('should parse percentage with bottom', () => {
+    expect(processBackgroundPosition('25% bottom')).toEqual([
+      {top: '100%', left: '25%'},
+    ]);
+  });
+
+  // Test two length/percentage values
+  it('should parse px px', () => {
+    expect(processBackgroundPosition('100px 200px')).toEqual([
+      {top: 200, left: 100},
+    ]);
+  });
+
+  it('should parse percentage percentage', () => {
+    expect(processBackgroundPosition('25% 75%')).toEqual([
+      {top: '75%', left: '25%'},
+    ]);
+  });
+
+  it('should parse px percentage', () => {
+    expect(processBackgroundPosition('100px 75%')).toEqual([
+      {top: '75%', left: 100},
+    ]);
+  });
+
+  it('should parse percentage px', () => {
+    expect(processBackgroundPosition('25% 200px')).toEqual([
+      {top: 200, left: '25%'},
+    ]);
+  });
+
+  // Test three-value syntax
+  it('should parse center top with percentage', () => {
+    expect(processBackgroundPosition('center top 25%')).toEqual([
+      {top: '25%', left: '50%'},
+    ]);
+  });
+
+  it('should parse center bottom with percentage', () => {
+    expect(processBackgroundPosition('center bottom 25%')).toEqual([
+      {bottom: '25%', left: '50%'},
+    ]);
+  });
+
+  it('should parse left center with percentage', () => {
+    expect(processBackgroundPosition('left 25% center')).toEqual([
+      {top: '50%', left: '25%'},
+    ]);
+  });
+
+  it('should parse right center with percentage', () => {
+    expect(processBackgroundPosition('right 25% center')).toEqual([
+      {top: '50%', right: '25%'},
+    ]);
+  });
+
+  it('should parse left with percentage top', () => {
+    expect(processBackgroundPosition('left 25% top')).toEqual([
+      {top: '0%', left: '25%'},
+    ]);
+  });
+
+  it('should parse left with percentage bottom', () => {
+    expect(processBackgroundPosition('left 25% bottom')).toEqual([
+      {bottom: '0%', left: '25%'},
+    ]);
+  });
+
+  it('should parse right with percentage top', () => {
+    expect(processBackgroundPosition('right 25% top')).toEqual([
+      {top: '0%', right: '25%'},
+    ]);
+  });
+
+  it('should parse right with percentage bottom', () => {
+    expect(processBackgroundPosition('right 25% bottom')).toEqual([
+      {bottom: '0%', right: '25%'},
+    ]);
+  });
+
+  // Test four-value syntax
+  it('should parse left percentage top percentage', () => {
+    expect(processBackgroundPosition('left 25% top 75%')).toEqual([
+      {top: '75%', left: '25%'},
+    ]);
+  });
+
+  it('should parse right percentage top percentage', () => {
+    expect(processBackgroundPosition('right 25% top 75%')).toEqual([
+      {top: '75%', right: '25%'},
+    ]);
+  });
+
+  it('should parse left percentage bottom percentage', () => {
+    expect(processBackgroundPosition('left 25% bottom 75%')).toEqual([
+      {bottom: '75%', left: '25%'},
+    ]);
+  });
+
+  it('should parse right percentage bottom percentage', () => {
+    expect(processBackgroundPosition('right 25% bottom 75%')).toEqual([
+      {bottom: '75%', right: '25%'},
+    ]);
+  });
+
+  // Test multiple background positions (comma-separated)
+  it('should parse multiple background positions', () => {
+    expect(processBackgroundPosition('left top, right bottom')).toEqual([
+      {top: '0%', left: '0%'},
+      {top: '100%', left: '100%'},
+    ]);
+  });
+
+  it('should parse multiple background positions with values', () => {
+    expect(
+      processBackgroundPosition('left 25% top 75%, center center'),
+    ).toEqual([
+      {top: '75%', left: '25%'},
+      {top: '50%', left: '50%'},
+    ]);
+  });
+
+  it('should parse multiple background positions with newlines', () => {
+    expect(processBackgroundPosition('left top,\nright bottom')).toEqual([
+      {top: '0%', left: '0%'},
+      {top: '100%', left: '100%'},
+    ]);
+  });
+
+  it('should parse multiple background positions with extra whitespace', () => {
+    expect(processBackgroundPosition('  left top  ,  right bottom  ')).toEqual([
+      {top: '0%', left: '0%'},
+      {top: '100%', left: '100%'},
+    ]);
+  });
+
+  // Test case sensitivity
+  it('should handle mixed case keywords', () => {
+    expect(processBackgroundPosition('LEFT')).toEqual([
+      {top: '50%', left: '0%'},
+    ]);
+  });
+
+  it('should handle mixed case keywords with spaces', () => {
+    expect(processBackgroundPosition('  Left  ')).toEqual([
+      {top: '50%', left: '0%'},
+    ]);
+  });
+
+  it('should handle mixed case in two values', () => {
+    expect(processBackgroundPosition('LEFT TOP')).toEqual([
+      {top: '0%', left: '0%'},
+    ]);
+  });
+
+  it('should handle mixed case in unit values', () => {
+    expect(processBackgroundPosition('LEFT 100PX')).toEqual([
+      {top: 100, left: '0%'},
+    ]);
+  });
+
+  // Test whitespace handling
+  it('should handle extra spaces between values', () => {
+    expect(processBackgroundPosition('left    top')).toEqual([
+      {top: '0%', left: '0%'},
+    ]);
+  });
+
+  it('should handle tabs and newlines', () => {
+    expect(processBackgroundPosition('left\ttop\n')).toEqual([
+      {top: '0%', left: '0%'},
+    ]);
+  });
+
+  // Test edge cases and invalid inputs
+  it('should handle invalid single value', () => {
+    expect(processBackgroundPosition('invalid')).toEqual([]);
+  });
+
+  it('should handle invalid two values', () => {
+    expect(processBackgroundPosition('left invalid')).toEqual([]);
+  });
+
+  it('should handle invalid first value', () => {
+    expect(processBackgroundPosition('invalid top')).toEqual([]);
+  });
+
+  it('should handle too many values', () => {
+    expect(processBackgroundPosition('left top center')).toEqual([]);
+  });
+
+  it('should handle empty values in comma-separated list', () => {
+    expect(processBackgroundPosition('left top,')).toEqual([]);
+  });
+
+  it('should handle only comma', () => {
+    expect(processBackgroundPosition(',')).toEqual([]);
+  });
+
+  it('should handle multiple commas', () => {
+    expect(processBackgroundPosition('left top,,right bottom')).toEqual([]);
+  });
+
+  it('should handle invalid mixed values in multiple backgrounds', () => {
+    expect(processBackgroundPosition('left top, invalid')).toEqual([]);
+  });
+
+  it('should handle negative px values', () => {
+    expect(processBackgroundPosition('-100px')).toEqual([
+      {top: '50%', left: -100},
+    ]);
+  });
+
+  it('should handle negative percentage values', () => {
+    expect(processBackgroundPosition('-25%')).toEqual([
+      {top: '50%', left: '-25%'},
+    ]);
+  });
+
+  it('should handle zero px values', () => {
+    expect(processBackgroundPosition('0px')).toEqual([{top: '50%', left: 0}]);
+  });
+
+  it('should handle zero percentage values', () => {
+    expect(processBackgroundPosition('0%')).toEqual([{top: '50%', left: '0%'}]);
+  });
+
+  it('should handle invalid units', () => {
+    expect(processBackgroundPosition('100em')).toEqual([]);
+  });
+
+  it('should handle invalid percentage format', () => {
+    expect(processBackgroundPosition('50')).toEqual([]);
+  });
+
+  it('should handle partial invalid values', () => {
+    expect(processBackgroundPosition('left-')).toEqual([]);
+  });
+
+  it('should handle partial invalid values with valid ones', () => {
+    expect(processBackgroundPosition('left-, top')).toEqual([]);
+  });
+
+  // Test complex scenarios
+  it('should handle complex multiple background scenario', () => {
+    expect(
+      processBackgroundPosition(
+        'left top, center center, right 25% bottom 75%',
+      ),
+    ).toEqual([
+      {top: '0%', left: '0%'},
+      {top: '50%', left: '50%'},
+      {bottom: '75%', right: '25%'},
+    ]);
+  });
+
+  it('should handle all valid single keyword combinations', () => {
+    expect(
+      processBackgroundPosition('left, center, right, top, bottom'),
+    ).toEqual([
+      {top: '50%', left: '0%'},
+      {top: '50%', left: '50%'},
+      {top: '50%', left: '100%'},
+      {top: '0%', left: '50%'},
+      {top: '100%', left: '50%'},
+    ]);
+  });
+
+  // Test specific edge cases
+  it('should handle single space character', () => {
+    expect(processBackgroundPosition(' ')).toEqual([]);
+  });
+
+  it('should handle multiple space characters', () => {
+    expect(processBackgroundPosition('   ')).toEqual([]);
+  });
+
+  it('should handle comma with spaces', () => {
+    expect(processBackgroundPosition(' , ')).toEqual([]);
+  });
+
+  it('should handle invalid three value syntax', () => {
+    expect(processBackgroundPosition('left top invalid')).toEqual([]);
+  });
+
+  it('should handle invalid four value syntax', () => {
+    expect(processBackgroundPosition('left 25% top invalid')).toEqual([]);
+  });
+
+  it('should handle 0 as a valid position', () => {
+    expect(processBackgroundPosition('0 0')).toEqual([{top: 0, left: 0}]);
+  });
+});
@@ -0,0 +1,243 @@
+/**
+ * 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 processBackgroundRepeat from '../processBackgroundRepeat';
+
+describe('processBackgroundRepeat', () => {
+  // Test null/undefined input
+  it('should handle null input', () => {
+    expect(processBackgroundRepeat(null)).toEqual([]);
+  });
+
+  it('should handle undefined input', () => {
+    expect(processBackgroundRepeat(undefined)).toEqual([]);
+  });
+
+  // Test empty string input
+  it('should handle empty string', () => {
+    expect(processBackgroundRepeat('')).toEqual([]);
+  });
+
+  // Test array input
+  it('should handle array input', () => {
+    expect(processBackgroundRepeat([{x: 'repeat', y: 'space'}])).toEqual([
+      {x: 'repeat', y: 'space'},
+    ]);
+  });
+
+  // Test single keyword values
+  it('should parse repeat', () => {
+    expect(processBackgroundRepeat('repeat')).toEqual([
+      {x: 'repeat', y: 'repeat'},
+    ]);
+  });
+
+  it('should parse no-repeat', () => {
+    expect(processBackgroundRepeat('no-repeat')).toEqual([
+      {x: 'no-repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  it('should parse space', () => {
+    expect(processBackgroundRepeat('space')).toEqual([
+      {x: 'space', y: 'space'},
+    ]);
+  });
+
+  it('should parse round', () => {
+    expect(processBackgroundRepeat('round')).toEqual([
+      {x: 'round', y: 'round'},
+    ]);
+  });
+
+  it('should parse repeat-x', () => {
+    expect(processBackgroundRepeat('repeat-x')).toEqual([
+      {x: 'repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  it('should parse repeat-y', () => {
+    expect(processBackgroundRepeat('repeat-y')).toEqual([
+      {x: 'no-repeat', y: 'repeat'},
+    ]);
+  });
+
+  // Test two-value syntax
+  it('should parse two repeat values', () => {
+    expect(processBackgroundRepeat('repeat repeat')).toEqual([
+      {x: 'repeat', y: 'repeat'},
+    ]);
+  });
+
+  it('should parse repeat no-repeat', () => {
+    expect(processBackgroundRepeat('repeat no-repeat')).toEqual([
+      {x: 'repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  it('should parse round space', () => {
+    expect(processBackgroundRepeat('round space')).toEqual([
+      {x: 'round', y: 'space'},
+    ]);
+  });
+
+  // Test multiple background repeats (comma-separated)
+  it('should parse multiple background repeats', () => {
+    expect(processBackgroundRepeat('repeat, no-repeat')).toEqual([
+      {x: 'repeat', y: 'repeat'},
+      {x: 'no-repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  it('should parse multiple background repeats with two values', () => {
+    expect(processBackgroundRepeat('repeat no-repeat, space round')).toEqual([
+      {x: 'repeat', y: 'no-repeat'},
+      {x: 'space', y: 'round'},
+    ]);
+  });
+
+  it('should parse multiple background repeats with mixed syntax', () => {
+    expect(processBackgroundRepeat('repeat-x, space round, no-repeat')).toEqual(
+      [
+        {x: 'repeat', y: 'no-repeat'},
+        {x: 'space', y: 'round'},
+        {x: 'no-repeat', y: 'no-repeat'},
+      ],
+    );
+  });
+
+  it('should parse multiple background repeats with newlines', () => {
+    expect(processBackgroundRepeat('repeat,\nno-repeat')).toEqual([
+      {x: 'repeat', y: 'repeat'},
+      {x: 'no-repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  it('should parse multiple background repeats with extra whitespace', () => {
+    expect(processBackgroundRepeat('  repeat  ,  no-repeat  ')).toEqual([
+      {x: 'repeat', y: 'repeat'},
+      {x: 'no-repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  // Test case sensitivity
+  it('should handle mixed case keywords', () => {
+    expect(processBackgroundRepeat('REPEAT')).toEqual([
+      {x: 'repeat', y: 'repeat'},
+    ]);
+  });
+
+  it('should handle mixed case keywords with spaces', () => {
+    expect(processBackgroundRepeat('  Repeat  ')).toEqual([
+      {x: 'repeat', y: 'repeat'},
+    ]);
+  });
+
+  it('should handle mixed case in two values', () => {
+    expect(processBackgroundRepeat('REPEAT NO-REPEAT')).toEqual([
+      {x: 'repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  it('should handle mixed case in repeat-x', () => {
+    expect(processBackgroundRepeat('REPEAT-X')).toEqual([
+      {x: 'repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  // Test whitespace handling
+  it('should handle extra spaces between values', () => {
+    expect(processBackgroundRepeat('repeat    no-repeat')).toEqual([
+      {x: 'repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  it('should handle tabs and newlines', () => {
+    expect(processBackgroundRepeat('repeat\tno-repeat\n')).toEqual([
+      {x: 'repeat', y: 'no-repeat'},
+    ]);
+  });
+
+  // Test edge cases and invalid inputs
+  it('should handle invalid single value', () => {
+    expect(processBackgroundRepeat('invalid')).toEqual([]);
+  });
+
+  it('should handle invalid two values', () => {
+    expect(processBackgroundRepeat('repeat invalid')).toEqual([]);
+  });
+
+  it('should handle too many values', () => {
+    expect(processBackgroundRepeat('repeat no-repeat space')).toEqual([]);
+  });
+
+  it('should handle empty values in comma-separated list', () => {
+    expect(processBackgroundRepeat('repeat,')).toEqual([]);
+  });
+
+  it('should handle only comma', () => {
+    expect(processBackgroundRepeat(',')).toEqual([]);
+  });
+
+  it('should handle multiple commas', () => {
+    expect(processBackgroundRepeat('repeat,,no-repeat')).toEqual([]);
+  });
+
+  it('should handle invalid mixed values in multiple backgrounds', () => {
+    expect(processBackgroundRepeat('repeat, invalid')).toEqual([]);
+  });
+
+  it('should handle invalid mixed values in multiple backgrounds with two values', () => {
+    expect(processBackgroundRepeat('repeat no-repeat, invalid round')).toEqual(
+      [],
+    );
+  });
+
+  // Test complex scenarios
+  it('should handle all valid two value combinations', () => {
+    expect(
+      processBackgroundRepeat(
+        'repeat repeat, repeat no-repeat, repeat space, repeat round, no-repeat repeat, no-repeat no-repeat, no-repeat space, no-repeat round, space repeat, space no-repeat, space space, space round, round repeat, round no-repeat, round space, round round',
+      ),
+    ).toEqual([
+      {x: 'repeat', y: 'repeat'},
+      {x: 'repeat', y: 'no-repeat'},
+      {x: 'repeat', y: 'space'},
+      {x: 'repeat', y: 'round'},
+      {x: 'no-repeat', y: 'repeat'},
+      {x: 'no-repeat', y: 'no-repeat'},
+      {x: 'no-repeat', y: 'space'},
+      {x: 'no-repeat', y: 'round'},
+      {x: 'space', y: 'repeat'},
+      {x: 'space', y: 'no-repeat'},
+      {x: 'space', y: 'space'},
+      {x: 'space', y: 'round'},
+      {x: 'round', y: 'repeat'},
+      {x: 'round', y: 'no-repeat'},
+      {x: 'round', y: 'space'},
+      {x: 'round', y: 'round'},
+    ]);
+  });
+
+  // Test specific edge cases
+  it('should handle single space character', () => {
+    expect(processBackgroundRepeat(' ')).toEqual([]);
+  });
+
+  it('should handle multiple space characters', () => {
+    expect(processBackgroundRepeat('   ')).toEqual([]);
+  });
+
+  it('should handle comma with spaces', () => {
+    expect(processBackgroundRepeat(' , ')).toEqual([]);
+  });
+});
@@ -0,0 +1,231 @@
+/**
+ * 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 processBackgroundSize from '../processBackgroundSize';
+
+describe('processBackgroundSize', () => {
+  // Test null/undefined input
+  it('should handle null input', () => {
+    expect(processBackgroundSize(null)).toEqual([]);
+  });
+
+  it('should handle undefined input', () => {
+    expect(processBackgroundSize(undefined)).toEqual([]);
+  });
+
+  // Test empty string input
+  it('should handle empty string', () => {
+    expect(processBackgroundSize('')).toEqual([]);
+  });
+
+  // Test array input
+  it('should handle array input', () => {
+    expect(processBackgroundSize([{x: 100, y: 200}])).toEqual([
+      {x: 100, y: 200},
+    ]);
+  });
+
+  it('should handle array with cover', () => {
+    expect(processBackgroundSize(['cover'])).toEqual(['cover']);
+  });
+
+  it('should handle array with contain', () => {
+    expect(processBackgroundSize(['contain'])).toEqual(['contain']);
+  });
+
+  it('should handle array with mixed values', () => {
+    expect(processBackgroundSize([{x: 100, y: 'auto'}, 'cover'])).toEqual([
+      {x: 100, y: 'auto'},
+      'cover',
+    ]);
+  });
+
+  // Test string input - single values
+  it('should parse cover', () => {
+    expect(processBackgroundSize('cover')).toEqual(['cover']);
+  });
+
+  it('should parse contain', () => {
+    expect(processBackgroundSize('contain')).toEqual(['contain']);
+  });
+
+  it('should parse single length value', () => {
+    expect(processBackgroundSize('100px')).toEqual([{x: 100, y: 'auto'}]);
+  });
+
+  it('should parse single percentage value', () => {
+    expect(processBackgroundSize('50%')).toEqual([{x: '50%', y: 'auto'}]);
+  });
+
+  it('should parse single auto value', () => {
+    expect(processBackgroundSize('auto')).toEqual([{x: 'auto', y: 'auto'}]);
+  });
+
+  // Test string input - two values
+  it('should parse two length values', () => {
+    expect(processBackgroundSize('100px 200px')).toEqual([{x: 100, y: 200}]);
+  });
+
+  it('should parse two percentage values', () => {
+    expect(processBackgroundSize('50% 75%')).toEqual([{x: '50%', y: '75%'}]);
+  });
+
+  it('should parse length and percentage', () => {
+    expect(processBackgroundSize('100px 50%')).toEqual([{x: 100, y: '50%'}]);
+  });
+
+  it('should parse percentage and length', () => {
+    expect(processBackgroundSize('50% 200px')).toEqual([{x: '50%', y: 200}]);
+  });
+
+  it('should parse length and auto', () => {
+    expect(processBackgroundSize('100px auto')).toEqual([{x: 100, y: 'auto'}]);
+  });
+
+  it('should parse auto and length', () => {
+    expect(processBackgroundSize('auto 200px')).toEqual([{x: 'auto', y: 200}]);
+  });
+
+  it('should parse percentage and auto', () => {
+    expect(processBackgroundSize('50% auto')).toEqual([{x: '50%', y: 'auto'}]);
+  });
+
+  it('should parse auto and percentage', () => {
+    expect(processBackgroundSize('auto 75%')).toEqual([{x: 'auto', y: '75%'}]);
+  });
+
+  it('should parse two auto values', () => {
+    expect(processBackgroundSize('auto auto')).toEqual([
+      {x: 'auto', y: 'auto'},
+    ]);
+  });
+
+  // Test multiple background sizes (comma-separated)
+  it('should parse multiple background sizes', () => {
+    expect(processBackgroundSize('100px 200px, cover')).toEqual([
+      {x: 100, y: 200},
+      'cover',
+    ]);
+  });
+
+  it('should parse multiple background sizes with spaces', () => {
+    expect(processBackgroundSize('100px 200px, 50% 75%')).toEqual([
+      {x: 100, y: 200},
+      {x: '50%', y: '75%'},
+    ]);
+  });
+
+  it('should parse multiple background sizes with newlines', () => {
+    expect(processBackgroundSize('100px 200px,\nCover')).toEqual([
+      {x: 100, y: 200},
+      'cover',
+    ]);
+  });
+
+  it('should parse multiple background sizes with extra whitespace', () => {
+    expect(processBackgroundSize('  100px  200px  ,  cover  ')).toEqual([
+      {x: 100, y: 200},
+      'cover',
+    ]);
+  });
+
+  // Test edge cases and invalid inputs
+  it('should handle negative length values', () => {
+    expect(processBackgroundSize('-100px')).toEqual([]);
+  });
+
+  it('should handle negative percentage values', () => {
+    expect(processBackgroundSize('-50%')).toEqual([]);
+  });
+
+  it('should handle zero length values', () => {
+    expect(processBackgroundSize('0px')).toEqual([{x: 0, y: 'auto'}]);
+  });
+
+  it('should handle zero percentage values', () => {
+    expect(processBackgroundSize('0%')).toEqual([{x: '0%', y: 'auto'}]);
+  });
+
+  it('should handle decimal length values', () => {
+    expect(processBackgroundSize('100.5px')).toEqual([{x: 100.5, y: 'auto'}]);
+  });
+
+  it('should handle decimal percentage values', () => {
+    expect(processBackgroundSize('50.5%')).toEqual([{x: '50.5%', y: 'auto'}]);
+  });
+
+  it('should handle invalid units', () => {
+    expect(processBackgroundSize('100em')).toEqual([]);
+  });
+
+  it('should handle invalid percentage format', () => {
+    expect(processBackgroundSize('50')).toEqual([]);
+  });
+
+  it('should handle mixed case keywords', () => {
+    expect(processBackgroundSize('COVER')).toEqual(['cover']);
+  });
+
+  it('should handle mixed case keywords with spaces', () => {
+    expect(processBackgroundSize('  Cover  ')).toEqual(['cover']);
+  });
+
+  it('should handle invalid mixed values', () => {
+    expect(processBackgroundSize('100px invalid')).toEqual([]);
+  });
+
+  it('should handle invalid mixed values in multiple backgrounds', () => {
+    expect(processBackgroundSize('100px 200px, invalid')).toEqual([]);
+  });
+
+  it('should handle too many values', () => {
+    expect(processBackgroundSize('100px 200px 300px')).toEqual([]);
+  });
+
+  it('should handle empty values in comma-separated list', () => {
+    expect(processBackgroundSize('100px 200px,')).toEqual([]);
+  });
+
+  it('should handle only comma', () => {
+    expect(processBackgroundSize(',')).toEqual([]);
+  });
+
+  it('should handle multiple commas', () => {
+    expect(processBackgroundSize('100px 200px,,cover')).toEqual([]);
+  });
+
+  // Test whitespace handling
+  it('should handle extra spaces between values', () => {
+    expect(processBackgroundSize('100px    200px')).toEqual([{x: 100, y: 200}]);
+  });
+
+  it('should handle tabs and newlines', () => {
+    expect(processBackgroundSize('100px\t200px\n')).toEqual([{x: 100, y: 200}]);
+  });
+
+  // Test complex scenarios
+  it('should handle complex multiple background scenario', () => {
+    expect(
+      processBackgroundSize('100px 200px, 50% auto, cover, contain'),
+    ).toEqual([{x: 100, y: 200}, {x: '50%', y: 'auto'}, 'cover', 'contain']);
+  });
+
+  it('should handle all valid single value combinations', () => {
+    expect(processBackgroundSize('100px, 50%, auto, cover, contain')).toEqual([
+      {x: 100, y: 'auto'},
+      {x: '50%', y: 'auto'},
+      {x: 'auto', y: 'auto'},
+      'cover',
+      'contain',
+    ]);
+  });
+});
@@ -0,0 +1,284 @@
+/**
+ * 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 {BackgroundPositionValue} from './StyleSheetTypes';
+
+export default function processBackgroundPosition(
+  backgroundPosition: ?($ReadOnlyArray<BackgroundPositionValue> | string),
+): $ReadOnlyArray<BackgroundPositionValue> {
+  let result: $ReadOnlyArray<BackgroundPositionValue> = [];
+
+  if (backgroundPosition == null) {
+    return [];
+  }
+  if (typeof backgroundPosition === 'string') {
+    result = parseBackgroundPositionCSSString(
+      backgroundPosition.replace(/\n/g, ' '),
+    );
+  } else if (Array.isArray(backgroundPosition)) {
+    result = backgroundPosition;
+  }
+
+  return result;
+}
+
+// https://www.w3.org/TR/css-backgrounds-3/#typedef-bg-position
+const parseBackgroundPositionCSSString = (
+  backgroundPosition: string,
+): $ReadOnlyArray<BackgroundPositionValue> => {
+  const result: Array<BackgroundPositionValue> = [];
+  const positions = backgroundPosition.split(',').map(s => s.trim());
+
+  for (const position of positions) {
+    let top: string | number;
+    let left: string | number;
+    let right: string | number;
+    let bottom: string | number;
+    const parts = position.split(/\s+/).filter(p => p.length > 0);
+    // 1. Single value syntax [ left | center | right | top | bottom | <length-percentage> ]
+    if (parts.length === 1) {
+      const t1 = parts[0];
+      if (t1 == null) {
+        return [];
+      }
+      const token1 = t1.toLowerCase().trim();
+      if (token1 === 'left') {
+        left = '0%';
+        top = '50%';
+      } else if (token1 === 'center') {
+        left = '50%';
+        top = '50%';
+      } else if (token1 === 'right') {
+        left = '100%';
+        top = '50%';
+      } else if (token1 === 'top') {
+        left = '50%';
+        top = '0%';
+      } else if (token1 === 'bottom') {
+        left = '50%';
+        top = '100%';
+      } else if (isValidPosition(token1)) {
+        const value = getPositionFromCSSValue(token1);
+        if (value == null) {
+          return [];
+        }
+        left = value;
+        top = '50%';
+      }
+    }
+
+    // 2. Two value syntax [ left | center | right | <length-percentage> ] [ top | center | bottom | <length-percentage> ]
+    if (parts.length === 2) {
+      const t1 = parts[0];
+      const t2 = parts[1];
+      if (t1 == null || t2 == null) {
+        return [];
+      }
+      const token1 = t1.toLowerCase().trim();
+      if (token1 === 'left') {
+        left = '0%';
+      } else if (token1 === 'center') {
+        left = '50%';
+      } else if (token1 === 'right') {
+        left = '100%';
+      } else if (token1 === 'top') {
+        top = '0%';
+      } else if (token1 === 'bottom') {
+        top = '100%';
+      } else if (isValidPosition(token1)) {
+        const value = getPositionFromCSSValue(token1);
+        if (value == null) {
+          return [];
+        }
+        left = value;
+      }
+
+      const token2 = t2.toLowerCase().trim();
+      if (token2 === 'top') {
+        top = '0%';
+      } else if (token2 === 'center') {
+        top = '50%';
+      } else if (token2 === 'bottom') {
+        top = '100%';
+      } else if (token2 === 'left') {
+        left = '0%';
+      } else if (token2 === 'right') {
+        left = '100%';
+      } else if (isValidPosition(token2)) {
+        const value = getPositionFromCSSValue(token2);
+        if (value == null) {
+          return [];
+        }
+        top = value;
+      }
+    }
+
+    // 3. Three value syntax [ center | [ left | right ] <length-percentage>? ] && [ center | [ top | bottom ] <length-percentage>? ]
+    if (parts.length === 3) {
+      const t1 = parts[0];
+      const t2 = parts[1];
+      const t3 = parts[2];
+      if (t1 == null || t2 == null || t3 == null) {
+        return [];
+      }
+      const token1 = t1.toLowerCase().trim();
+      const token2 = t2.toLowerCase().trim();
+      const token3 = t3.toLowerCase().trim();
+      // e.g. center top 40%
+      if (token1 === 'center') {
+        left = '50%';
+        const value = getPositionFromCSSValue(token3);
+        if (value == null) {
+          return [];
+        }
+        if (token2 === 'top') {
+          top = value;
+        } else if (token2 === 'bottom') {
+          bottom = value;
+        } else {
+          return [];
+        }
+      }
+      // e.g. left 40% center
+      else if (token3 === 'center') {
+        top = '50%';
+        const value = getPositionFromCSSValue(token2);
+        if (value == null) {
+          return [];
+        }
+        if (token1 === 'left') {
+          left = value;
+        } else if (token1 === 'right') {
+          right = value;
+        } else {
+          return [];
+        }
+      }
+      // e.g. left 40% top, left top 10%
+      else {
+        const tokens = [token1, token2, token3];
+        for (let i = 0; i < tokens.length; i++) {
+          const token = tokens[i];
+          if (isValidPosition(token)) {
+            const value = getPositionFromCSSValue(token);
+            if (value == null) {
+              return [];
+            }
+            const previousToken = tokens[i - 1];
+            if (previousToken === 'left') {
+              left = value;
+            } else if (previousToken === 'right') {
+              right = value;
+            } else if (previousToken === 'top') {
+              top = value;
+            } else if (previousToken === 'bottom') {
+              bottom = value;
+            }
+          } else {
+            if (token === 'left') {
+              left = '0%';
+            } else if (token === 'right') {
+              right = '0%';
+            } else if (token === 'top') {
+              top = '0%';
+            } else if (token === 'bottom') {
+              bottom = '0%';
+            } else {
+              return [];
+            }
+          }
+        }
+      }
+    }
+
+    // 4. Four value syntax [ center | [ left | right ] <length-percentage>? ] && [ center | [ top | bottom ] <length-percentage>? ]
+    if (parts.length === 4) {
+      const t1 = parts.shift();
+      const t2 = parts.shift();
+      const t3 = parts.shift();
+      const t4 = parts.shift();
+      if (t1 == null || t2 == null || t3 == null || t4 == null) {
+        return [];
+      }
+      const token1 = t1.toLowerCase().trim();
+      const token2 = t2.toLowerCase().trim();
+      const token3 = t3.toLowerCase().trim();
+      const token4 = t4.toLowerCase().trim();
+      const keyword1 = token1;
+      const value1 = getPositionFromCSSValue(token2);
+      const keyword2 = token3;
+      const value2 = getPositionFromCSSValue(token4);
+      if (value1 == null || value2 == null) {
+        return [];
+      }
+      if (keyword1 === 'left') {
+        left = value1;
+      } else if (keyword1 === 'right') {
+        right = value1;
+      }
+
+      if (keyword2 === 'top') {
+        top = value2;
+      } else if (keyword2 === 'bottom') {
+        bottom = value2;
+      }
+    }
+
+    if (top != null && left != null) {
+      result.push({
+        top,
+        left,
+      });
+    } else if (bottom != null && right != null) {
+      result.push({
+        bottom,
+        right,
+      });
+    } else if (top != null && right != null) {
+      result.push({
+        top,
+        right,
+      });
+    } else if (bottom != null && left != null) {
+      result.push({
+        bottom,
+        left,
+      });
+    } else {
+      return [];
+    }
+  }
+
+  return result;
+};
+
+function getPositionFromCSSValue(position: string) {
+  if (position.endsWith('px')) {
+    return parseFloat(position);
+  }
+
+  if (position.endsWith('%')) {
+    return position;
+  }
+
+  // CSS length allows 0 as a valid value
+  if (position === '0') {
+    return 0;
+  }
+}
+
+function isValidPosition(position: string) {
+  if (position.endsWith('px') || position.endsWith('%') || position === '0') {
+    return true;
+  }
+
+  return false;
+}
@@ -0,0 +1,105 @@
+/**
+ * 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 {
+  BackgroundRepeatKeyword,
+  BackgroundRepeatValue,
+} from './StyleSheetTypes';
+
+function isBackgroundRepeatKeyword(
+  value: string,
+): value is BackgroundRepeatKeyword {
+  return (
+    value === 'repeat' ||
+    value === 'space' ||
+    value === 'round' ||
+    value === 'no-repeat'
+  );
+}
+
+export default function processBackgroundRepeat(
+  backgroundRepeat: ?($ReadOnlyArray<BackgroundRepeatValue> | string),
+): $ReadOnlyArray<BackgroundRepeatValue> {
+  let result: $ReadOnlyArray<BackgroundRepeatValue> = [];
+  if (backgroundRepeat == null) {
+    return [];
+  }
+
+  if (Array.isArray(backgroundRepeat)) {
+    return backgroundRepeat;
+  }
+
+  if (typeof backgroundRepeat === 'string') {
+    result = parseBackgroundRepeatCSSString(
+      backgroundRepeat.replace(/\n/g, ' '),
+    );
+  }
+
+  return result;
+}
+
+// https://www.w3.org/TR/css-backgrounds-3/#typedef-repeat-style
+function parseBackgroundRepeatCSSString(
+  backgroundRepeat: string,
+): $ReadOnlyArray<BackgroundRepeatValue> {
+  const result: Array<BackgroundRepeatValue> = [];
+  const bgRepeatArray = backgroundRepeat.split(',').map(s => s.trim());
+
+  for (const bgRepeat of bgRepeatArray) {
+    if (bgRepeat.length === 0) {
+      return [];
+    }
+
+    const parts = bgRepeat.split(/\s+/).filter(p => p.length > 0);
+    if (parts.length === 1) {
+      const part1 = parts[0];
+      if (part1 == null) {
+        return [];
+      }
+      const token1 = part1.toLowerCase();
+      if (token1 === 'repeat-x') {
+        result.push({x: 'repeat', y: 'no-repeat'});
+      } else if (token1 === 'repeat-y') {
+        result.push({x: 'no-repeat', y: 'repeat'});
+      } else if (token1 === 'repeat') {
+        result.push({x: 'repeat', y: 'repeat'});
+      } else if (token1 === 'space') {
+        result.push({x: 'space', y: 'space'});
+      } else if (token1 === 'round') {
+        result.push({x: 'round', y: 'round'});
+      } else if (token1 === 'no-repeat') {
+        result.push({x: 'no-repeat', y: 'no-repeat'});
+      } else {
+        return [];
+      }
+    } else if (parts.length === 2) {
+      const part1 = parts[0];
+      const part2 = parts[1];
+      if (part1 == null || part2 == null) {
+        return [];
+      }
+      const token1 = part1.toLowerCase();
+      const token2 = part2.toLowerCase();
+
+      if (
+        isBackgroundRepeatKeyword(token1) &&
+        isBackgroundRepeatKeyword(token2)
+      ) {
+        result.push({x: token1, y: token2});
+      } else {
+        return [];
+      }
+    }
+  }
+
+  return result;
+}
@@ -0,0 +1,104 @@
+/**
+ * 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 {BackgroundSizeValue} from './StyleSheetTypes';
+
+export default function processBackgroundSize(
+  backgroundSize: ?($ReadOnlyArray<BackgroundSizeValue> | string),
+): $ReadOnlyArray<BackgroundSizeValue> {
+  let result: $ReadOnlyArray<BackgroundSizeValue> = [];
+
+  if (backgroundSize == null) {
+    // If the size is invalid, return an empty array and do not apply any background size. Same as web.
+    return [];
+  }
+
+  if (typeof backgroundSize === 'string') {
+    result = parseBackgroundSizeCSSString(backgroundSize.replace(/\n/g, ' '));
+  } else if (Array.isArray(backgroundSize)) {
+    result = backgroundSize;
+  }
+
+  return result;
+}
+// https://www.w3.org/TR/css-backgrounds-3/#typedef-bg-size
+// <bg-size> = [ <length-percentage [0,∞]> | auto ]{1,2} | cover | contain
+function parseBackgroundSizeCSSString(
+  backgroundSize: string,
+): $ReadOnlyArray<BackgroundSizeValue> {
+  const result: Array<BackgroundSizeValue> = [];
+  const sizes = backgroundSize.split(',').map(s => s.trim());
+
+  for (const size of sizes) {
+    if (size.length === 0) {
+      return [];
+    }
+
+    const parts = size.split(/\s+/).filter(p => p.length > 0);
+
+    if (parts.length === 2) {
+      const x = getValidLengthPercentageSizeOrNull(parts[0].toLowerCase());
+      const y = getValidLengthPercentageSizeOrNull(parts[1].toLowerCase());
+      if (x != null && y != null) {
+        result.push({
+          x,
+          y,
+        });
+      } else {
+        return [];
+      }
+    } else if (parts.length === 1) {
+      const part = parts[0].toLowerCase();
+      if (part === 'cover' || part === 'contain') {
+        result.push(part);
+      } else {
+        const x = getValidLengthPercentageSizeOrNull(parts[0].toLowerCase());
+        if (x != null) {
+          result.push({
+            x,
+            y: 'auto',
+          });
+        } else {
+          return [];
+        }
+      }
+    }
+  }
+
+  return result;
+}
+
+// [ <length-percentage [0,∞]> | auto ]
+function getValidLengthPercentageSizeOrNull(size: ?string) {
+  if (size == null) {
+    return null;
+  }
+
+  if (size.endsWith('px')) {
+    const num = parseFloat(size);
+    if (!Number.isNaN(num) && num >= 0) {
+      return num;
+    }
+  }
+
+  if (size.endsWith('%')) {
+    if (parseFloat(size) >= 0) {
+      return size;
+    }
+  }
+
+  if (size === 'auto') {
+    return size;
+  }
+
+  return null;
+}
@@ -443,15 +443,14 @@ static YGSize RCTTextShadowViewMeasure(
    size.width -= letterSpacing;
  }

-  size = (CGSize){
-      MIN(RCTCeilPixelValue(size.width), maximumSize.width), MIN(RCTCeilPixelValue(size.height), maximumSize.height)};
+  size = (CGSize){MIN(RCTCeilPixelValue(size.width), maximumSize.width),
+                  MIN(RCTCeilPixelValue(size.height), maximumSize.height)};

  // Adding epsilon value illuminates problems with converting values from
  // `double` to `float`, and then rounding them to pixel grid in Yoga.
  CGFloat epsilon = 0.001;
-  return (YGSize){
-      RCTYogaFloatFromCoreGraphicsFloat(size.width + epsilon),
-      RCTYogaFloatFromCoreGraphicsFloat(size.height + epsilon)};
+  return (YGSize){RCTYogaFloatFromCoreGraphicsFloat(size.width + epsilon),
+                  RCTYogaFloatFromCoreGraphicsFloat(size.height + epsilon)};
 }

 static float RCTTextShadowViewBaseline(YGNodeConstRef node, const float width, const float height)
@@ -285,9 +285,8 @@
  [_layoutManager ensureLayoutForTextContainer:_textContainer];
  CGSize size = [_layoutManager usedRectForTextContainer:_textContainer].size;

-  return (CGSize){
-      MAX(minimumSize.width, MIN(RCTCeilPixelValue(size.width), maximumSize.width)),
-      MAX(minimumSize.height, MIN(RCTCeilPixelValue(size.height), maximumSize.height))};
+  return (CGSize){MAX(minimumSize.width, MIN(RCTCeilPixelValue(size.width), maximumSize.width)),
+                  MAX(minimumSize.height, MIN(RCTCeilPixelValue(size.height), maximumSize.height))};
 }

 - (CGFloat)lastBaselineForSize:(CGSize)size
@@ -348,8 +347,8 @@ static YGSize RCTBaseTextInputShadowViewMeasure(

  CGSize measuredSize = [shadowView sizeThatFitsMinimumSize:minimumSize maximumSize:maximumSize];

-  return (YGSize){
-      RCTYogaFloatFromCoreGraphicsFloat(measuredSize.width), RCTYogaFloatFromCoreGraphicsFloat(measuredSize.height)};
+  return (YGSize){RCTYogaFloatFromCoreGraphicsFloat(measuredSize.width),
+                  RCTYogaFloatFromCoreGraphicsFloat(measuredSize.height)};
 }

 static float RCTTextInputShadowViewBaseline(YGNodeConstRef node, const float width, const float height)
@@ -125,12 +125,9 @@ RCT_EXPORT_METHOD(blur : (nonnull NSNumber *)viewTag)
  }];
 }

-RCT_EXPORT_METHOD(setTextAndSelection
-                  : (nonnull NSNumber *)viewTag mostRecentEventCount
-                  : (NSInteger)mostRecentEventCount value
-                  : (NSString *)value start
-                  : (NSInteger)start end
-                  : (NSInteger)end)
+RCT_EXPORT_METHOD(
+    setTextAndSelection : (nonnull NSNumber *)viewTag mostRecentEventCount : (NSInteger)
+        mostRecentEventCount value : (NSString *)value start : (NSInteger)start end : (NSInteger)end)
 {
  [self.bridge.uiManager addUIBlock:^(RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
    RCTBaseTextInputView *view = (RCTBaseTextInputView *)viewRegistry[viewTag];
--- a/Show More
+++ b/Show More