diff --git a/.github/actions/prepare_ios_tests/action.yml b/.github/actions/prepare_ios_tests/action.yml
new file mode 100644
index 0000000000..629ef73263
--- /dev/null
+++ b/.github/actions/prepare_ios_tests/action.yml
@@ -0,0 +1,25 @@
+name: prepare_ios_tests
+description: Prepare iOS Tests
+runs:
+  using: composite
+  steps:
+    - name: brew install xcbeautify
+      run: brew install xcbeautify
+      shell: bash
+    - name: Run Ruby Tests
+      shell: bash
+      run: |
+        cd packages/react-native/scripts
+        sh run_ruby_tests.sh
+    - name: Boot iPhone Simulator
+      shell: bash
+      run: source scripts/.tests.env && xcrun simctl boot "$IOS_DEVICE" || true
+    - name: "Brew: Tap wix/brew"
+      shell: bash
+      run: brew tap wix/brew
+    - name: brew install applesimutils watchman
+      shell: bash
+      run: brew install applesimutils watchman
+    - name: Configure Watchman
+      shell: bash
+      run: echo "{}" > .watchmanconfig
diff --git a/.github/actions/report_bundle_size/action.yml b/.github/actions/report_bundle_size/action.yml
new file mode 100644
index 0000000000..22ca863f54
--- /dev/null
+++ b/.github/actions/report_bundle_size/action.yml
@@ -0,0 +1,12 @@
+name: report_bundle_size
+description: Report bundle size
+inputs:
+  platform:
+    description: Platform. Either ios or android
+    default: ios
+runs:
+  using: composite
+  steps:
+    - name: Report size of RNTester.app (analysis-bot)
+      shell: bash
+      run: GITHUB_TOKEN=${{ secrets.PUBLIC_ANALYSISBOT_GITHUB_TOKEN }} scripts/circleci/report-bundle-size.sh ${{ inputs.platform }} || true
diff --git a/.github/actions/run_e2e/action.yml b/.github/actions/run_e2e/action.yml
new file mode 100644
index 0000000000..5e479ce668
--- /dev/null
+++ b/.github/actions/run_e2e/action.yml
@@ -0,0 +1,17 @@
+name: run_e2e
+description: "Run End-to-End Tests"
+inputs:
+  platform:
+    description: "Platform to run tests on"
+    required: true
+    default: "js"
+  retries:
+    description: "Number of times to retry failed tests"
+    required: true
+    default: "3"
+runs:
+  using: composite
+  steps:
+    - name: "Run Tests: ${{ inputs.platform }} End-to-End Tests"
+      run: node ./scripts/e2e/run-ci-e2e-tests.js --${{ inputs.platform }} --retries ${{ inputs.retries }}
+      shell: bash
diff --git a/.github/actions/test_ios_template/action.yml b/.github/actions/test_ios_template/action.yml
new file mode 100644
index 0000000000..f8f66d40cc
--- /dev/null
+++ b/.github/actions/test_ios_template/action.yml
@@ -0,0 +1,98 @@
+name: test_ios_template
+description: Test iOS Template
+inputs:
+  jsengine:
+    description: Which JavaScript engine to use. Must be one of "Hermes", "JSC".
+    default: Hermes
+  use-frameworks:
+      description: The dependency building and linking strategy to use. Must be one of "StaticLibraries", "DynamicFrameworks"
+      default: StaticLibraries
+  architecture:
+    description: The React Native architecture to Test. RNTester has always Fabric enabled, but we want to run integration test with the old arch setup
+    default: OldArch
+  ruby-version:
+    description: The version of ruby that must be used
+    default: 2.6.10
+  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
+    - name: Setup node.js
+      uses: ./.github/actions/setup-node
+    - name: Run yarn
+      shell: bash
+      run: yarn install --non-interactive
+    - name: Cache setup
+      id: cache_setup
+      uses: ./.github/actions/cache_setup
+      with:
+        hermes-version: ${{ inputs.hermes-version }}
+        react-native-version: ${{ inputs.react-native-version }}
+    - name: Download npm package artifact
+      uses: actions/download-artifact@v4.1.3
+      with:
+        name: react-native-package
+        path: build
+    - name: Setup Hermes workspace
+      uses: ./.github/actions/setup_hermes_workspace
+    - name: Setup ruby
+      uses: ruby/setup-ruby@v1.170.0
+      with:
+        ruby-version: ${{ inputs.ruby-version }}
+    - name: Set HERMES_ENGINE_TARBALL_PATH
+      if: inputs.jsengine == 'Hermes'
+      shell: bash
+      run: |
+        BUILD_TYPE="${{ inputs.flavor }}"
+        TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "$BUILD_TYPE")
+        echo "export HERMES_ENGINE_TARBALL_PATH=$HERMES_WS_DIR/hermes-runtime-darwin/$TARBALL_FILENAME" >> $GITHUB_ENV
+    - name: Create iOS template project
+      shell: bash
+      run: |
+        PACKAGE=$(cat build/react-native-package-version)
+        PATH_TO_PACKAGE="$GITHUB_WORKSPACE/build/$PACKAGE"
+        node ./scripts/releases/update-template-package.js "{\"react-native\":\"file:$PATH_TO_PACKAGE\"}"
+        node ./scripts/e2e/init-template-e2e.js --projectName $PROJECT_NAME --templatePath "$GITHUB_WORKSPACE/packages/react-native" --directory "/tmp/$PROJECT_NAME" --verbose
+    - name: Yarn install in template project
+      shell: bash
+      run: |
+        cd /tmp/$PROJECT_NAME/android/
+        yarn install --non-interactive
+    - name: Install iOS dependencies - Configuration ${{ inputs.flavor }}; New Architecture ${{ inputs.architecture }}; JS Engine ${{ inputs.jsengine }}
+      shell: bash
+      run: |
+        cd /tmp/$PROJECT_NAME/ios
+
+        if [[ ${{ inputs.architecture }} == "NewArch" ]]; then
+          export RCT_NEW_ARCH_ENABLED=1
+        fi
+
+        if [[ ${{ inputs.jsengine }} == "JSC" ]]; then
+          export USE_HERMES=0
+        fi
+
+        if [[ ${{ inputs.use-frameworks }} == "DynamicFrameworks" ]]; then
+          export USE_FRAMEWORKS=dynamic
+        fi
+
+        cd ..
+        bundle install
+        bundle exec pod install --project-directory=ios
+    - name: Build template project
+      shell: bash
+      run: |
+        xcodebuild build \
+          -configuration ${{ inputs.flavor }} \
+          -workspace /tmp/$PROJECT_NAME/ios/$PROJECT_NAME.xcworkspace \
+          -scheme $PROJECT_NAME \
+          -sdk iphonesimulator
diff --git a/.github/workflows/ios-tests.yml b/.github/workflows/ios-tests.yml
index a8ccb3cbf4..d2aae0c779 100644
--- a/.github/workflows/ios-tests.yml
+++ b/.github/workflows/ios-tests.yml
@@ -14,11 +14,10 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v4
-      - name: Setup Node
-        uses: actions/setup-node@v4
+      - name: Setup node.js
+        uses: ./.github/actions/setup-node
         with:
           node-version: 20
-          cache: 'yarn'
       - name: Yarn Install
         run: yarn install
       - name: Get latest commit from Hermes
diff --git a/.github/workflows/test-all.yml b/.github/workflows/test-all.yml
index 39dce4fcaf..dc96287e8b 100644
--- a/.github/workflows/test-all.yml
+++ b/.github/workflows/test-all.yml
@@ -414,6 +414,130 @@ jobs:
           use-frameworks: StaticLibraries
           hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
           react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+  build_hermesc_linux:
+    runs-on: ubuntu-latest
+    needs: prepare_hermes_workspace
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.1.1
+      - name: Install dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y git openssh-client cmake build-essential \
+              libreadline-dev libicu-dev jq zip python3
+      - name: Cache setup
+        id: cache_setup
+        uses: ./.github/actions/cache_setup
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+      - name: Linux cache
+        uses: actions/cache@v4.0.0
+        with:
+          key: v1-hermes-${{ github.job }}-linux-${{ needs.prepare_hermes_workspace.outputs.hermes-version }}-${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+          path: |
+            /tmp/hermes/linux64-bin/
+            /tmp/hermes/hermes/destroot/
+      - name: Set up workspace
+        run: |
+          mkdir -p /tmp/hermes/linux64-bin
+      - name: Build HermesC for Linux
+        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@v4.3.0
+        with:
+          name: hermes-linux-bin
+          path: /tmp/hermes/linux64-bin
+  build_hermesc_windows:
+    runs-on: windows-2019
+    needs: prepare_hermes_workspace
+    env:
+      HERMES_WS_DIR: 'D:\tmp\hermes'
+      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@v4.1.1
+      - name: Cache setup
+        id: cache_setup
+        uses: ./.github/actions/cache_setup
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+      - name: Windows cache
+        uses: actions/cache@v4.0.0
+        with:
+          key: v2-hermes-${{ github.job }}-windows-${{ needs.prepare_hermes_workspace.outputs.hermes-version }}-${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+          path: |
+            D:\tmp\hermes\win64-bin\
+            D:\tmp\hermes\hermes\icu\
+            D:\tmp\hermes\hermes\deps\
+            D:\tmp\hermes\hermes\build_release\
+      - name: setup-msbuild
+        uses: microsoft/setup-msbuild@v1.3.2
+      - name: Set up workspace
+        run: |
+          #New-Item -ItemType Directory -ErrorAction SilentlyContinue $Env:HERMES_WS_DIR
+          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
+          #New-Item -ItemType Directory -ErrorAction SilentlyContinue $Env:HERMES_WS_DIR\hermes
+          #New-Item -ItemType SymbolicLink -ErrorAction SilentlyContinue -Target tmp\hermes\hermes -Path $Env:HERMES_WS_DIR -Name hermes
+      - name: Build HermesC for Windows
+        run: |
+          if (-not(Test-Path -Path $Env:HERMES_WS_DIR\win64-bin\hermesc.exe)) {
+            choco install --no-progress cmake --version 3.14.7
+            if (-not $?) { throw "Failed to install CMake" }
+
+            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 16 2019' -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@v4.3.0
+        with:
+          name: hermes-win64-bin
+          path: D:\tmp\hermes\win64-bin\
   build_android:
     runs-on: 8-core-ubuntu
     needs: [set_release_type, prepare_hermes_workspace]
@@ -517,3 +641,277 @@ jobs:
         with:
           name: rntester-apk
           path: packages/rn-tester/android/app/build/outputs/apk/
+  build_npm_package:
+    runs-on: 4-core-ubuntu-latest
+    needs: [set_release_type, prepare_hermes_workspace, build_hermes_macos, build_hermesc_linux, build_hermesc_windows,build_android]
+    container:
+      image: reactnativecommunity/react-native-android:latest
+      env:
+        TERM: "dumb"
+        GRADLE_OPTS: '-Dorg.gradle.daemon=false'
+        # By default we only build ARM64 to save time/resources. For release/nightlies/prealpha, we override this value to build all archs.
+        ORG_GRADLE_PROJECT_reactNativeArchitectures: "arm64-v8a"
+        # Repeated here, as the environment key in this executor will overwrite the one in defaults
+        PUBLIC_ANALYSISBOT_GITHUB_TOKEN_A: ${{ secrets.GITHUB_ANALYSISBOT_TOKEN_A }}
+        PUBLIC_ANALYSISBOT_GITHUB_TOKEN_B: ${{ secrets.GITHUB_ANALYSISBOT_TOKEN_B }}
+        HERMES_WS_DIR: /tmp/hermes
+    steps:
+      - name: Add github.com to SSH known hosts
+        run: |
+          mkdir -p ~/.ssh
+          echo '|1|If6MU203eXTaaWL678YEfWkVMrw=|kqLeIAyTy8pzpj8x8Ae4Fr8Mtlc= ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==' >> ~/.ssh/known_hosts
+      - name: Checkout
+        uses: actions/checkout@v4.1.1
+      - name: Create /tmp/hermes/osx-bin directory
+        run: mkdir -p /tmp/hermes/osx-bin
+      - name: Download osx-bin release artifacts
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: hermes-osx-bin-Release
+          path: /tmp/hermes/osx-bin
+      - name: Download osx-bin debug artifacts
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: hermes-osx-bin-Debug
+          path: /tmp/hermes/osx-bin
+      - name: Download darwin-bin release artifacts
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: hermes-darwin-bin-Release
+          path: /tmp/hermes/hermes-runtime-darwin
+      - name: Download darwin-bin debug artifacts
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: hermes-darwin-bin-Debug
+          path: /tmp/hermes/hermes-runtime-darwin
+      - name: Download hermes dSYM debug artifacts
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: hermes-dSYM-Debug
+          path: /tmp/hermes/dSYM/Debug
+      - name: Download hermes dSYM release vartifacts
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: hermes-dSYM-Release
+          path: /tmp/hermes/dSYM/Release
+      - name: Download windows-bin artifacts
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: hermes-win64-bin
+          path: /tmp/hermes/win64-bin
+      - name: Download linux-bin artifacts
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: hermes-linux-bin
+          path: /tmp/hermes/linux64-bin
+      - name: Show /tmp/hermes directory
+        run: ls -lR /tmp/hermes
+      - name: Cache setup
+        id: cache_setup
+        uses: ./.github/actions/cache_setup
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+      - 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 $HERMES_WS_DIR/osx-bin/Release ]]; then
+            cp -r $HERMES_WS_DIR/osx-bin/Release/* ./packages/react-native/sdks/hermesc/osx-bin/.
+          elif [[ -d $HERMES_WS_DIR/osx-bin/Debug ]]; then
+            cp -r $HERMES_WS_DIR/osx-bin/Debug/* ./packages/react-native/sdks/hermesc/osx-bin/.
+          else
+            ls $HERMES_WS_DIR/osx-bin || echo "hermesc macOS artifacts directory missing."
+            echo "Could not locate macOS hermesc binary."; exit 1;
+          fi
+
+          cp -r $HERMES_WS_DIR/win64-bin/* ./packages/react-native/sdks/hermesc/win64-bin/.
+          cp -r $HERMES_WS_DIR/linux64-bin/* ./packages/react-native/sdks/hermesc/linux64-bin/.
+          mkdir -p ./packages/react-native/ReactAndroid/external-artifacts/artifacts/
+          cp $HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Debug.tar.gz ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-ios-debug.tar.gz
+          cp $HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Release.tar.gz ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-ios-release.tar.gz
+          cp $HERMES_WS_DIR/dSYM/Debug/hermes.framework.dSYM  ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-framework-dSYM-debug.tar.gz
+          cp $HERMES_WS_DIR/dSYM/Release/hermes.framework.dSYM  ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-framework-dSYM-release.tar.gz
+      - name: Use Node.js 18
+        uses: actions/setup-node@v4.0.0
+        with:
+          node-version: 18
+          cache: 'yarn'
+      - name: Install dependencies
+        run: yarn install --non-interactive
+      - name: Build packages
+        run: yarn build
+      # Continue with publish steps
+      - name: Set npm credentials
+        if: needs.set_release_type.outputs.RELEASE_TYPE == 'release' ||
+            needs.set_release_type.outputs.RELEASE_TYPE == 'nightly'
+        run: echo "//registry.npmjs.org/:_authToken=${{ secrets.CIRCLE_NPM_TOKEN }}" > ~/.npmrc
+      - name: Publish NPM
+        shell: bash
+        run: |
+          echo "GRADLE_OPTS = $GRADLE_OPTS"
+          # We can't have a separate step because each command is executed in a separate shell
+          # so variables exported in a command are not visible in another.
+          if [[ "${{ needs.set_release_type.outputs.RELEASE_TYPE }}" == "dry-run" ]]; then
+            export ORG_GRADLE_PROJECT_reactNativeArchitectures="arm64-v8a"
+          else
+            export ORG_GRADLE_PROJECT_reactNativeArchitectures="armeabi-v7a,arm64-v8a,x86,x86_64"
+          fi
+          node ./scripts/releases-ci/publish-npm.js -t ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
+      - name: Zip Maven Artifacts from /tmp/maven-local
+        working-directory: /tmp
+        run: zip -r maven-local.zip maven-local
+      - name: Upload Maven Artifacts
+        uses: actions/upload-artifact@v4.3.1
+        with:
+          name: maven-local
+          path: /tmp/maven-local.zip
+      - name: Upload npm logs
+        uses: actions/upload-artifact@v4.3.1
+        with:
+          name: npm-logs
+          path: ~/.npm/_logs
+      - name: Build release package as a job artifact
+        if: needs.set_release_type.outputs.RELEASE_TYPE == 'dry-run'
+        run: |
+          mkdir -p build
+
+          FILENAME=$(cd packages/react-native; npm pack | tail -1)
+          mv packages/react-native/$FILENAME build/
+
+          echo $FILENAME > build/react-native-package-version
+      - name: Upload release package
+        uses: actions/upload-artifact@v4.3.1
+        if: needs.set_release_type.outputs.RELEASE_TYPE == 'dry-run'
+        with:
+          name: react-native-package
+          path: build
+      - name: Update rn-diff-purge to generate upgrade-support diff
+        if: needs.set_release_type.outputs.RELEASE_TYPE == 'release'
+        run: |
+          curl -X POST https://api.github.com/repos/react-native-community/rn-diff-purge/dispatches \
+            -H "Accept: application/vnd.github.v3+json" \
+            -H "Authorization: Bearer $REACT_NATIVE_BOT_GITHUB_TOKEN" \
+            -d "{\"event_type\": \"publish\", \"client_payload\": { \"version\": \"${{ github.ref_name }}\" }}"
+  test_android_template:
+    runs-on: ubuntu-latest
+    needs: [prepare_hermes_workspace, build_npm_package]
+    container:
+      image: reactnativecommunity/react-native-android:latest
+    env:
+      PROJECT_NAME: AndroidTemplateProject
+      YARN_ENABLE_IMMUTABLE_INSTALLS: false
+      TERM: "dumb"
+      GRADLE_OPTS: '-Dorg.gradle.daemon=false'
+      ORG_GRADLE_PROJECT_reactNativeArchitectures: "arm64-v8a"
+    continue-on-error: true
+    strategy:
+      fail-fast: false
+      matrix:
+        flavor: [Debug, Release]
+        architecture: [ NewArch, OldArch ]
+        jsengine: [Hermes, JSC]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.1.1
+      - name: Cache setup
+        id: cache_setup
+        uses: ./.github/actions/cache_setup
+        with:
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+      - name: Download npm package artifact
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: react-native-package
+          path: build
+      - name: Run yarn
+        shell: bash
+        run: yarn install --non-interactive
+      - name: Download maven-local artifact
+        uses: actions/download-artifact@v4.1.3
+        with:
+          name: maven-local
+          path: /tmp
+      - name: Unzip maven-local
+        working-directory: /tmp
+        run: unzip -q maven-local.zip
+      - name: Create Android template project
+        run: |
+          node ./scripts/releases/update-template-package.js "{\"react-native\":\"file:$GITHUB_WORKSPACE/build/$(cat build/react-native-package-version)\"}"
+          node ./scripts/e2e/init-template-e2e.js --projectName $PROJECT_NAME --templatePath "$GITHUB_WORKSPACE/packages/react-native" --directory "/tmp/$PROJECT_NAME" --verbose
+      - name: Setup gradle
+        uses: gradle/actions/setup-gradle@v3
+        with:
+          gradle-version: 8.6
+      - name: Yarn install in template project
+        run: |
+          cd /tmp/$PROJECT_NAME
+          yarn install --non-interactive
+      - name: Build the template application for ${{ matrix.flavor }} with Architecture set to ${{ matrix.architecture }}, and using the ${{ matrix.jsengine }} JS engine.
+        shell: bash
+        run: |
+          sudo chmod +x /tmp/$PROJECT_NAME/node_modules/react-native/sdks/hermesc/linux64-bin/hermesc
+          cd /tmp/$PROJECT_NAME/android/
+          if [[ ${{ matrix.architecture }} == "NewArch" ]]; then
+            export ORG_GRADLE_PROJECT_newArchEnabled=true
+          else
+            export ORG_GRADLE_PROJECT_newArchEnabled=false
+          fi
+          if [[ ${{ matrix.jsengine }} == "Hermes" ]]; then
+            export ORG_GRADLE_PROJECT_hermesEnabled=true
+          else
+            export ORG_GRADLE_PROJECT_hermesEnabled=false
+          fi
+          ./gradlew assemble${{ matrix.flavor }} -Preact.internal.mavenLocalRepo=/tmp/maven-local
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4.3.1
+        with:
+          name: template-apk-${{ matrix.flavor }}-${{ matrix.architecture }}-${{ matrix.jsengine }}
+          path: /tmp/AndroidTemplateProject/android/app/build/outputs/apk/
+  test_ios_template_with_ruby_3_2_0:
+    runs-on: macos-13
+    needs: [prepare_hermes_workspace, build_npm_package]
+    env:
+      PROJECT_NAME: iOSTemplateProject
+      HERMES_WS_DIR: /tmp/hermes
+      YARN_ENABLE_IMMUTABLE_INSTALLS: false
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.1.1
+      - uses: ./.github/actions/test_ios_template
+        with:
+          ruby-version: 3.2.0
+          architecture: NewArch
+          flavor: Debug
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+  test_ios_template:
+    runs-on: macos-13
+    needs: [prepare_hermes_workspace, build_npm_package]
+    strategy:
+      matrix:
+        flavor: [Debug, Release]
+        jsengine: [Hermes, JSC]
+        use_frameworks: [StaticLibraries, DynamicFrameworks]
+        exclude:
+          # This config is tested with Ruby 3.2.0. Let's not double test it.
+          - flavor: Debug
+            jsengine: Hermes
+            use_frameworks: StaticLibraries
+    env:
+      PROJECT_NAME: iOSTemplateProject
+      HERMES_WS_DIR: /tmp/hermes
+      YARN_ENABLE_IMMUTABLE_INSTALLS: false
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.1.1
+      - uses: ./.github/actions/test_ios_template
+        with:
+          flavor: ${{ matrix.flavor }}
+          jsengine: ${{ matrix.jsengine }}
+          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 }}