fix hermes param handling in test-e2e-local.js

2025-11-01 09:14:26 +00:00 · 2024-12-03 16:42:57 +01:00
2156 changed files with 113925 additions and 157542 deletions
@@ -0,0 +1,4 @@
+# Circle CI
+
+This directory was home to the Circle CI configuration files.
+In July 2024 we moved to GitHub Actions, and week this folder for backward compatibility, as we want to keep on using Circle CI for the release of React Native <= 0.74.
@@ -0,0 +1,13 @@
+version: 2.1
+workflows:
+  version: 2
+  stub:
+    jobs:
+      - circleci-stub
+
+jobs:
+  circleci-stub:
+    docker:
+      - image: debian:bullseye
+    steps:
+      - run: echo "There is nothing here, just an empty job. Everything has been moved to GitHub Action"
@@ -3,8 +3,6 @@
 docs/generatedComponentApiDocs.js
 packages/react-native/flow/
 packages/react-native/sdks/
-packages/react-native/types_generated/
-packages/react-native/ReactAndroid/build
 packages/react-native/ReactAndroid/hermes-engine/build/
 packages/react-native/Libraries/Renderer/*
 packages/react-native/Libraries/vendor/**/*
@@ -35,16 +35,6 @@ module.exports = {
        'no-undef': 0,
      },
    },
-    {
-      files: [
-        './packages/react-native/**/*.{js,flow}',
-        './packages/assets/registry.js',
-      ],
-      parser: 'hermes-eslint',
-      rules: {
-        'lint/no-commonjs-exports': 1,
-      },
-    },
    {
      files: ['package.json'],
      parser: 'jsonc-eslint-parser',
@@ -44,6 +44,7 @@ packages/react-native/flow/

 [options]
 enums=true
+as_const=true
 casting_syntax=both

 emoji=true
@@ -95,4 +96,4 @@ untyped-import
 untyped-type-import

 [version]
-^0.260.0
+^0.255.0
@@ -16,7 +16,7 @@ runs:
    - name: Setup node.js
      uses: ./.github/actions/setup-node
    - name: Install node dependencies
-      uses: ./.github/actions/yarn-install
+      uses: ./.github/actions/yarn-install-with-cache
    - name: Set React Native Version
      shell: bash
      run: node ./scripts/releases/set-rn-artifacts-version.js --build-type ${{ inputs.release-type }}
@@ -47,7 +47,7 @@ runs:
        fi
    - name: Yarn- Install Dependencies
      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: ./.github/actions/yarn-install
+      uses: ./.github/actions/yarn-install-with-cache
    - name: Slice cache macosx
      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
      uses: actions/download-artifact@v4
@@ -43,6 +43,9 @@ runs:
      shell: powershell
      run: |
        if (-not(Test-Path -Path $Env:HERMES_WS_DIR\win64-bin\hermesc.exe)) {
+          choco install --no-progress cmake --version 3.14.7 --allow-downgrade
+          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 [...]
@@ -103,7 +103,7 @@ runs:
    - name: Setup gradle
      uses: ./.github/actions/setup-gradle
    - name: Install dependencies
-      uses: ./.github/actions/yarn-install
+      uses: ./.github/actions/yarn-install-with-cache
    - name: Build packages
      shell: bash
      run: yarn build
@@ -15,7 +15,7 @@ runs:
  using: composite
  steps:
    - name: Yarn install
-      uses: ./.github/actions/yarn-install
+      uses: ./.github/actions/yarn-install-with-cache
    - name: Configure Git
      shell: bash
      run: |
@@ -15,8 +15,9 @@ runs:
      uses: ./.github/actions/setup-node
      with:
        node-version: ${{ inputs.node-version }}
-    - name: Run yarn install
-      uses: ./.github/actions/yarn-install
+    - name: Yarn install
+      shell: bash
+      run: yarn install --non-interactive --frozen-lockfile
    - name: Run linters against modified files (analysis-bot)
      shell: bash
      run: yarn lint-ci
@@ -25,13 +26,10 @@ runs:
        GITHUB_PR_NUMBER: ${{ github.event.number }}
    - name: Lint code
      shell: bash
-      run: ./.github/workflow-scripts/exec_swallow_error.sh yarn lint --format junit -o ./reports/junit/eslint/results.xml
+      run: ./scripts/circleci/exec_swallow_error.sh yarn lint --format junit -o ./reports/junit/eslint/results.xml
    - name: Lint java
      shell: bash
-      run: ./.github/workflow-scripts/exec_swallow_error.sh yarn lint-java --check
-    - name: Verify not committing repo after running build
-      shell: bash
-      run: yarn run build --check
+      run: ./scripts/circleci/exec_swallow_error.sh yarn lint-java --check
    - name: Run flowcheck
      shell: bash
      run: yarn flow-check
@@ -40,7 +38,7 @@ runs:
      run: yarn test-typescript
    - name: Check license
      shell: bash
-      run: ./.github/workflow-scripts/check_license.sh
+      run: ./scripts/circleci/check_license.sh
    - name: Check formatting
      shell: bash
      run: yarn run format-check
@@ -25,17 +25,13 @@ inputs:
    required: false
    default: "."
    description: The directory from which metro should be started
-  architecture:
-    required: false
-    default: "NewArch"
-    description: The react native architecture to test

 runs:
  using: composite
  steps:
    - name: Installing Maestro
      shell: bash
-      run: export MAESTRO_VERSION=1.39.7; curl -Ls "https://get.maestro.mobile.dev" | bash
+      run: export MAESTRO_VERSION=1.36.0; curl -Ls "https://get.maestro.mobile.dev" | bash
    - name: Set up JDK 17
      if: ${{ inputs.install-java == 'true' }}
      uses: actions/setup-java@v4
@@ -56,15 +52,12 @@ runs:
      if: ${{ inputs.flavor == 'debug' }}
      run: ./packages/react-native-codegen/scripts/oss/build.sh
    - name: Run e2e tests
-      id: run-tests
      uses: reactivecircus/android-emulator-runner@v2
      with:
        api-level: 24
        arch: x86
-        ram-size: '8192M'
-        heap-size: '4096M'
+        ram-size: '4096M'
        disk-size: '10G'
-        cores: '4'
        disable-animations: false
        avd-name: e2e_emulator
        script: node .github/workflow-scripts/maestro-android.js ${{ inputs.app-path }} ${{ inputs.app-id }} ${{ inputs.maestro-flow }} ${{ inputs.flavor }} ${{ inputs.working-directory }}
@@ -76,16 +69,16 @@ runs:
        NORM_APP_ID=$(echo "${{ inputs.app-id }}" | tr '.' '-')
        echo "app-id=$NORM_APP_ID" >> $GITHUB_OUTPUT
    - name: Store tests result
-      uses: actions/upload-artifact@v4.3.4
+      uses: actions/upload-artifact@v3
      if: always()
      with:
-        name: e2e_android_${{ steps.normalize-app-id.outputs.app-id }}_report_${{ inputs.jsengine }}_${{ inputs.flavor }}_${{ inputs.architecture }}
+        name: e2e_android_${{ steps.normalize-app-id.outputs.app-id }}_report_${{ inputs.jsengine }}_${{ inputs.flavor }}
        path: |
          report.xml
          screen.mp4
    - name: Store Logs
-      if: steps.run-tests.outcome == 'failure'
+      if: failure() && steps.run-tests.outcome == 'failure'
      uses: actions/upload-artifact@v4.3.4
      with:
-        name: maestro-logs-android-${{ steps.normalize-app-id.outputs.app-id }}-${{ inputs.jsengine }}-${{ inputs.flavor }}-${{ inputs.architecture }}
+        name: maestro-logs-android-${{ steps.normalize-app-id.outputs.app-id }}-${{ inputs.jsengine }}-${{ inputs.flavor }}
        path: /tmp/MaestroLogs
@@ -21,36 +21,27 @@ inputs:
    required: false
    default: "."
    description: The directory from which metro should be started
-  architecture:
-    required: false
-    default: "NewArch"
-    description: The react native architecture to test

 runs:
  using: composite
  steps:
    - name: Installing Maestro
      shell: bash
-      run: export MAESTRO_VERSION=1.39.7; curl -Ls "https://get.maestro.mobile.dev" | bash
+      run: export MAESTRO_VERSION=1.36.0; curl -Ls "https://get.maestro.mobile.dev" | bash
    - name: Installing Maestro dependencies
      shell: bash
      run: |
        brew tap facebook/fb
-        brew install facebook/fb/idb-companion
+        brew install facebook/fb/idb-companion jq
    - name: Set up JDK 11
      uses: actions/setup-java@v2
      with:
        java-version: '17'
        distribution: 'zulu'
-    - name: Run yarn install
-      uses: ./.github/actions/yarn-install
    - name: Start Metro in Debug
      shell: bash
      if: ${{ inputs.flavor == 'Debug' }}
      run: |
-        # build codegen or we will see a redbox
-        ./packages/react-native-codegen/scripts/oss/build.sh
-
        cd ${{ inputs.working-directory }}
        yarn start &
        sleep 5 # to give metro time to load
@@ -62,28 +53,69 @@ runs:
        # Maestro can fail in case of flakyness, we have some retry logic.
        set +e

-        node .github/workflow-scripts/maestro-ios.js \
-          "${{ inputs.app-path }}" \
-          "${{ inputs.app-id }}" \
-          "${{ inputs.maestro-flow }}" \
-          "${{ inputs.jsengine }}" \
-          "${{ inputs.flavor }}" \
-          "${{ inputs.working-directory }}"
+        echo "Launching iOS Simulator: iPhone 15 Pro"
+        xcrun simctl boot "iPhone 15 Pro"
+
+        echo "Installing app on Simulator"
+        xcrun simctl install booted "${{ inputs.app-path }}"
+
+        echo "Retrieving device UDID"
+        UDID=$(xcrun simctl list devices booted -j | jq -r '[.devices[]] | add | first | .udid')
+        echo "UDID is $UDID"
+
+        echo "Bring simulator in foreground"
+        open -a simulator
+
+        echo "Launch the app"
+        xcrun simctl launch $UDID ${{ inputs.app-id }}
+
+        if [[ ${{ inputs.flavor }} == 'Debug' ]]; then
+          # To give the app time to warm the metro's cache
+          sleep 20
+        fi
+
+        echo "Running tests with Maestro"
+        export MAESTRO_DRIVER_STARTUP_TIMEOUT=1500000 # 25 min. CI is extremely slow
+
+        # Add retries for flakyness
+        MAX_ATTEMPTS=5
+        CURR_ATTEMPT=0
+        RESULT=1
+
+        while [[ $CURR_ATTEMPT -lt $MAX_ATTEMPTS ]] && [[ $RESULT -ne 0 ]]; do
+          CURR_ATTEMPT=$((CURR_ATTEMPT+1))
+          echo "Attempt number $CURR_ATTEMPT"
+
+
+
+          echo "Start video record using pid: video_record_${{ inputs.jsengine }}_$CURR_ATTEMPT.pid"
+          xcrun simctl io booted recordVideo video_record_$CURR_ATTEMPT.mov & echo $! > video_record_${{ inputs.jsengine }}_$CURR_ATTEMPT.pid
+
+          echo '$HOME/.maestro/bin/maestro --udid=$UDID test ${{ inputs.maestro-flow }} --format junit -e APP_ID=${{ inputs.app-id }}'
+          $HOME/.maestro/bin/maestro --udid=$UDID test ${{ inputs.maestro-flow }} --format junit -e APP_ID=${{ inputs.app-id }} --debug-output /tmp/MaestroLogs
+
+          RESULT=$?
+
+          # Stop video
+          kill -SIGINT $(cat video_record_${{ inputs.jsengine }}_$CURR_ATTEMPT.pid)
+        done
+
+        exit $RESULT
    - name: Store video record
      if: always()
      uses: actions/upload-artifact@v4.3.4
      with:
-        name: e2e_ios_${{ inputs.app-id }}_report_${{ inputs.jsengine }}_${{ inputs.flavor }}_${{ inputs.architecture }}
+        name: e2e_ios_${{ inputs.app-id }}_report_${{ inputs.jsengine }}_${{ inputs.flavor }}
        path: |
-          video_record_${{ inputs.jsengine }}_1.mov
-          video_record_${{ inputs.jsengine }}_2.mov
-          video_record_${{ inputs.jsengine }}_3.mov
-          video_record_${{ inputs.jsengine }}_4.mov
-          video_record_${{ inputs.jsengine }}_5.mov
+          video_record_1.mov
+          video_record_2.mov
+          video_record_3.mov
+          video_record_4.mov
+          video_record_5.mov
          report.xml
    - name: Store Logs
      if: failure() && steps.run-tests.outcome == 'failure'
      uses: actions/upload-artifact@v4.3.4
      with:
-        name: maestro-logs-${{ inputs.app-id }}-${{ inputs.jsengine }}-${{ inputs.flavor }}-${{ inputs.architecture }}
+        name: maestro-logs-${{ inputs.app-id }}-${{ inputs.jsengine }}-${{ inputs.flavor }}
        path: /tmp/MaestroLogs
@@ -69,7 +69,7 @@ runs:

    - name: Yarn- Install Dependencies
      if: ${{ steps.meaningful-cache.outputs.HERMES_CACHED != 'true' }}
-      uses: ./.github/actions/yarn-install
+      uses: ./.github/actions/yarn-install-with-cache

    - name: Download Hermes tarball
      if: ${{ steps.meaningful-cache.outputs.HERMES_CACHED != 'true' }}
@@ -12,4 +12,3 @@ runs:
      uses: actions/setup-node@v4
      with:
        node-version: ${{ inputs.node-version }}
-        cache: yarn
@@ -41,7 +41,7 @@ runs:
      shell: bash
      run: ls -lR "$HERMES_WS_DIR"
    - name: Run yarn
-      uses: ./.github/actions/yarn-install
+      uses: ./.github/actions/yarn-install-with-cache
    - name: Setup ruby
      uses: ruby/setup-ruby@v1.170.0
      with:
@@ -41,7 +41,7 @@ runs:
    - name: Setup node.js
      uses: ./.github/actions/setup-node
    - name: Run yarn
-      uses: ./.github/actions/yarn-install
+      uses: ./.github/actions/yarn-install-with-cache
    - name: Download Hermes
      uses: actions/download-artifact@v4
      with:
@@ -109,8 +109,8 @@ runs:
          export USE_FRAMEWORKS=dynamic
        fi

-        if [[ ${{ inputs.architecture }} == "OldArch" ]]; then
-          export RCT_NEW_ARCH_ENABLED=0
+        if [[ ${{ inputs.architecture }} == "NewArch" ]]; then
+          export RCT_NEW_ARCH_ENABLED=1
        fi

        cd packages/rn-tester
@@ -118,7 +118,16 @@ runs:
        bundle install
        bundle exec pod install
    - name: Build RNTester
+      if: ${{ inputs.run-unit-tests != 'true' && inputs.run-e2e-tests == 'false' }}
      shell: bash
+      run: |
+        xcodebuild build \
+          -workspace packages/rn-tester/RNTesterPods.xcworkspace \
+          -scheme RNTester \
+          -sdk iphonesimulator
+    - name: Build RNTester (E2E Tests)
+      shell: bash
+      if: ${{ inputs.run-e2e-tests == 'true' }}
      run: |
        xcodebuild \
          -scheme "RNTester" \
@@ -129,10 +138,7 @@ runs:
          -derivedDataPath "/tmp/RNTesterBuild"

          echo "Print path to *.app file"
-          APP_PATH=$(find "/tmp/RNTesterBuild" -type d -name "*.app")
-
-          echo "App found at $APP_PATH"
-          echo "app-path=$APP_PATH" >> $GITHUB_ENV
+          find "/tmp/RNTesterBuild" -type d -name "*.app"
    - name: "Run Tests: iOS Unit and Integration Tests"
      if: ${{ inputs.run-unit-tests == 'true' }}
      shell: bash
@@ -152,12 +158,6 @@ runs:
      with:
        name: xcresults
        path: /Users/distiller/Library/Developer/Xcode/xcresults.tar.gz
-    - name: Upload RNTester App
-      if: ${{ inputs.use-frameworks == 'StaticLibraries' && inputs.ruby-version == '2.6.10' }} # This is needed to avoid conflicts with the artifacts
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: RNTesterApp-${{ inputs.architecture }}-${{ inputs.jsengine }}-${{ inputs.flavor }}
-        path: ${{ env.app-path }}
    - name: Store test results
      if: ${{ inputs.run-unit-tests == 'true' }}
      uses: actions/upload-artifact@v4.3.4
@@ -13,7 +13,7 @@ runs:
      with:
        node-version: ${{ inputs.node-version }}
    - name: Yarn install
-      uses: ./.github/actions/yarn-install
+      uses: ./.github/actions/yarn-install-with-cache
    - name: Run Tests - JavaScript Tests
      shell: bash
      run: node ./scripts/run-ci-javascript-tests.js --maxWorkers 2
@@ -0,0 +1,28 @@
+name: yarn-install-with-cache
+inputs:
+  update-cache:
+    description: Update the cache, only do this if you are update-node-modules-cache.yml
+    default: "false"
+description: Only update node_modules if on main
+runs:
+  using: composite
+  steps:
+    - name: Load node_modules from cache
+      # Restore for all branches, but save for 'main'.
+      uses: actions/cache/restore@v4
+      with:
+        path: node_modules/
+        key: node-modules-${{ hashFiles('package.json') }}
+    - name: Install dependencies
+      shell: bash
+      run: yarn install --non-interactive
+    - name: Save node_modules to the cache
+      if: github.ref == 'refs/heads/main' && inputs.update-cache == 'true'
+      uses: actions/cache/save@v4
+      with:
+        path: node_modules/
+        # We're assuming that variations on branches will slightly vary from main,
+        # so it's always important to run yarn install --non-interactive after this
+        # cache is restored.
+        key: node-modules-v1-${{ hashFiles('package.json') }}
+        enableCrossOsArchive: true
@@ -1,20 +0,0 @@
-name: yarn-install
-runs:
-  using: composite
-  steps:
-    - name: Install dependencies
-      shell: bash
-      run: |
-        MAX_ATTEMPTS=2
-        ATTEMPT=0
-        WAIT_TIME=20
-        while [ $ATTEMPT -lt $MAX_ATTEMPTS ]; do
-            yarn install --non-interactive --frozen-lockfile && break
-            echo "yarn install failed. Retrying in $WAIT_TIME seconds..."
-            sleep $WAIT_TIME
-            ATTEMPT=$((ATTEMPT + 1))
-        done
-        if [ $ATTEMPT -eq $MAX_ATTEMPTS ]; then
-            echo "All attempts to invoke yarn install failed - Aborting the workflow"
-            exit 1
-        fi
@@ -15,14 +15,12 @@ const {
 const mockRun = jest.fn();
 const mockSleep = jest.fn();
 const mockGetNpmPackageInfo = jest.fn();
-const mockVerifyPublishedPackage = jest.fn();
 const silence = () => {};

 jest.mock('../utils.js', () => ({
  log: silence,
  run: mockRun,
  sleep: mockSleep,
-  verifyPublishedPackage: mockVerifyPublishedPackage,
  getNpmPackageInfo: mockGetNpmPackageInfo,
 }));

@@ -84,43 +82,77 @@ describe('#verifyPublishedTemplate', () => {

  it("waits on npm updating for version and not 'latest'", async () => {
    const NOT_LATEST = false;
-    const version = '0.77.0';
+    mockGetNpmPackageInfo
+      // template@<version>
+      .mockReturnValueOnce(Promise.reject('mock http/404'))
+      .mockReturnValueOnce(Promise.resolve());
+    mockSleep.mockReturnValueOnce(Promise.resolve()).mockImplementation(() => {
+      throw new Error('Should not be called again!');
+    });

+    const version = '0.77.0';
    await verifyPublishedTemplate(version, NOT_LATEST);

-    expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
+    expect(mockGetNpmPackageInfo).toHaveBeenLastCalledWith(
      '@react-native-community/template',
      version,
-      null,
-      18,
    );
  });

  it('waits on npm updating version and latest tag', async () => {
    const IS_LATEST = true;
    const version = '0.77.0';
+    mockGetNpmPackageInfo
+      // template@latest → unknown tag
+      .mockReturnValueOnce(Promise.reject('mock http/404'))
+      // template@latest != version → old tag
+      .mockReturnValueOnce(Promise.resolve({version: '0.76.5'}))
+      // template@latest == version → correct tag
+      .mockReturnValueOnce(Promise.resolve({version}));
+    mockSleep
+      .mockReturnValueOnce(Promise.resolve())
+      .mockReturnValueOnce(Promise.resolve())
+      .mockImplementation(() => {
+        throw new Error('Should not be called again!');
+      });

    await verifyPublishedTemplate(version, IS_LATEST);

-    expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
+    expect(mockGetNpmPackageInfo).toHaveBeenCalledWith(
      '@react-native-community/template',
-      version,
      'latest',
-      18,
    );
  });

-  describe('retries', () => {
+  describe('timeouts', () => {
+    let mockProcess;
+    beforeEach(() => {
+      mockProcess = jest.spyOn(process, 'exit').mockImplementation(code => {
+        throw new Error(`process.exit(${code}) called!`);
+      });
+    });
+    afterEach(() => mockProcess.mockRestore());
    it('will timeout if npm does not update package version after a set number of retries', async () => {
      const RETRIES = 2;
+      mockGetNpmPackageInfo.mockReturnValue(Promise.reject('mock http/404'));
+      mockSleep.mockReturnValue(Promise.resolve());
+      await expect(() =>
+        verifyPublishedTemplate('0.77.0', true, RETRIES),
+      ).rejects.toThrowError('process.exit(1) called!');
+      expect(mockGetNpmPackageInfo).toHaveBeenCalledTimes(RETRIES);
+    });

-      await verifyPublishedTemplate('0.77.0', true, RETRIES),
-        expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
-          '@react-native-community/template',
-          '0.77.0',
-          'latest',
-          2,
-        );
+    it('will timeout if npm does not update latest tag after a set number of retries', async () => {
+      const RETRIES = 7;
+      const IS_LATEST = true;
+      mockGetNpmPackageInfo.mockReturnValue(
+        Promise.resolve({version: '0.76.5'}),
+      );
+      mockSleep.mockReturnValue(Promise.resolve());
+      await expect(async () => {
+        await verifyPublishedTemplate('0.77.0', IS_LATEST, RETRIES);
+      }).rejects.toThrowError('process.exit(1) called!');
+      expect(mockGetNpmPackageInfo).toHaveBeenCalledTimes(RETRIES);
    });
  });
 });
@@ -1,135 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-const {verifyPublishedPackage} = require('../verifyPublishedPackage');
-
-const mockRun = jest.fn();
-const mockSleep = jest.fn();
-const mockGetNpmPackageInfo = jest.fn();
-const silence = () => {};
-
-const REACT_NATIVE_PACKAGE = 'react-native';
-
-jest.mock('../utils.js', () => ({
-  log: silence,
-  run: mockRun,
-  sleep: mockSleep,
-  getNpmPackageInfo: mockGetNpmPackageInfo,
-}));
-
-describe('#verifyPublishedPackage', () => {
-  beforeEach(jest.clearAllMocks);
-
-  it("waits on npm updating for version and not 'latest'", async () => {
-    mockGetNpmPackageInfo
-      // template@<version>
-      .mockReturnValueOnce(Promise.reject('mock http/404'))
-      .mockReturnValueOnce(Promise.resolve());
-    mockSleep.mockReturnValueOnce(Promise.resolve()).mockImplementation(() => {
-      throw new Error('Should not be called again!');
-    });
-
-    const version = '0.78.0';
-    await verifyPublishedPackage(REACT_NATIVE_PACKAGE, version, null);
-
-    expect(mockGetNpmPackageInfo).toHaveBeenLastCalledWith(
-      REACT_NATIVE_PACKAGE,
-      version,
-    );
-  });
-
-  it('waits on npm updating version and latest tag', async () => {
-    const version = '0.78.0';
-    mockGetNpmPackageInfo
-      // template@latest → unknown tag
-      .mockReturnValueOnce(Promise.reject('mock http/404'))
-      // template@latest != version → old tag
-      .mockReturnValueOnce(Promise.resolve({version: '0.76.5'}))
-      // template@latest == version → correct tag
-      .mockReturnValueOnce(Promise.resolve({version}));
-    mockSleep
-      .mockReturnValueOnce(Promise.resolve())
-      .mockReturnValueOnce(Promise.resolve())
-      .mockImplementation(() => {
-        throw new Error('Should not be called again!');
-      });
-
-    await verifyPublishedPackage(REACT_NATIVE_PACKAGE, version, 'latest');
-
-    expect(mockGetNpmPackageInfo).toHaveBeenCalledWith(
-      REACT_NATIVE_PACKAGE,
-      'latest',
-    );
-  });
-
-  it('waits on npm updating version and next tag', async () => {
-    const version = '0.78.0-rc.0';
-    mockGetNpmPackageInfo
-      // template@latest → unknown tag
-      .mockReturnValueOnce(Promise.reject('mock http/404'))
-      // template@latest != version → old tag
-      .mockReturnValueOnce(Promise.resolve({version: '0.76.5'}))
-      // template@latest == version → correct tag
-      .mockReturnValueOnce(Promise.resolve({version}));
-    mockSleep
-      .mockReturnValueOnce(Promise.resolve())
-      .mockReturnValueOnce(Promise.resolve())
-      .mockImplementation(() => {
-        throw new Error('Should not be called again!');
-      });
-    await verifyPublishedPackage(REACT_NATIVE_PACKAGE, version, 'next');
-
-    expect(mockGetNpmPackageInfo).toHaveBeenCalledWith(
-      REACT_NATIVE_PACKAGE,
-      'next',
-    );
-  });
-
-  describe('timeouts', () => {
-    let mockProcess;
-    beforeEach(() => {
-      mockProcess = jest.spyOn(process, 'exit').mockImplementation(code => {
-        throw new Error(`process.exit(${code}) called!`);
-      });
-    });
-    afterEach(() => mockProcess.mockRestore());
-    it('will timeout if npm does not update package version after a set number of retries', async () => {
-      const RETRIES = 2;
-      mockGetNpmPackageInfo.mockReturnValue(Promise.reject('mock http/404'));
-      mockSleep.mockReturnValue(Promise.resolve());
-      await expect(() =>
-        verifyPublishedPackage(
-          REACT_NATIVE_PACKAGE,
-          '0.77.0',
-          'latest',
-          RETRIES,
-        ),
-      ).rejects.toThrowError('process.exit(1) called!');
-      expect(mockGetNpmPackageInfo).toHaveBeenCalledTimes(RETRIES);
-    });
-
-    it('will timeout if npm does not update latest tag after a set number of retries', async () => {
-      const RETRIES = 7;
-      const IS_LATEST = true;
-      mockGetNpmPackageInfo.mockReturnValue(
-        Promise.resolve({version: '0.76.5'}),
-      );
-      mockSleep.mockReturnValue(Promise.resolve());
-      await expect(async () => {
-        await verifyPublishedPackage(
-          REACT_NATIVE_PACKAGE,
-          '0.77.0',
-          'latest',
-          RETRIES,
-        );
-      }).rejects.toThrowError('process.exit(1) called!');
-      expect(mockGetNpmPackageInfo).toHaveBeenCalledTimes(RETRIES);
-    });
-  });
-});
@@ -1,104 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-const {verifyReleaseOnNpm} = require('../verifyReleaseOnNpm');
-
-const mockVerifyPublishedPackage = jest.fn();
-const silence = () => {};
-
-jest.mock('../utils.js', () => ({
-  verifyPublishedPackage: mockVerifyPublishedPackage,
-}));
-
-describe('#verifyReleaseOnNPM', () => {
-  beforeEach(jest.clearAllMocks);
-
-  it("waits on npm updating for version and not 'latest'", async () => {
-    const NOT_LATEST = false;
-    const version = '0.78.0';
-    await verifyReleaseOnNpm(version, NOT_LATEST);
-
-    expect(mockVerifyPublishedPackage).toHaveBeenLastCalledWith(
-      'react-native',
-      version,
-      null,
-      18,
-    );
-  });
-
-  it('waits on npm updating version and latest tag', async () => {
-    const IS_LATEST = true;
-    const version = '0.78.0';
-
-    await verifyReleaseOnNpm(version, IS_LATEST);
-
-    expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
-      'react-native',
-      version,
-      'latest',
-      18,
-    );
-  });
-
-  it('waits on npm updating version, not latest and next tag', async () => {
-    const IS_LATEST = false;
-    const version = '0.78.0-rc.0';
-
-    await verifyReleaseOnNpm(version, IS_LATEST);
-
-    expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
-      'react-native',
-      version,
-      'next',
-      18,
-    );
-  });
-
-  it('waits on npm updating version, latest and next tag', async () => {
-    const IS_LATEST = true;
-    const version = '0.78.0-rc.0';
-
-    await verifyReleaseOnNpm(version, IS_LATEST);
-
-    expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
-      'react-native',
-      version,
-      'next',
-      18,
-    );
-  });
-
-  describe('timeouts', () => {
-    it('will timeout if npm does not update package version after a set number of retries', async () => {
-      const RETRIES = 2;
-
-      await verifyReleaseOnNpm('0.77.0', true, RETRIES),
-        expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
-          'react-native',
-          '0.77.0',
-          'latest',
-          2,
-        );
-    });
-
-    it('will timeout if npm does not update latest tag after a set number of retries', async () => {
-      const RETRIES = 7;
-      const IS_LATEST = true;
-
-      await verifyReleaseOnNpm('0.77.0', IS_LATEST, RETRIES);
-
-      expect(mockVerifyPublishedPackage).toHaveBeenCalledWith(
-        'react-native',
-        '0.77.0',
-        'latest',
-        7,
-      );
-    });
-  });
-});
@@ -1,25 +0,0 @@
-#!/bin/bash
-# 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.
-
-GITHUB_OWNER=-facebook
-GITHUB_REPO=-react-native
-export GITHUB_OWNER
-export GITHUB_REPO
-
-if [ -x "$(command -v shellcheck)" ]; then
-  IFS=$'\n'
-
-  find . \
-    -type f \
-    -not -path "*node_modules*" \
-    -not -path "*third-party*" \
-    -name '*.sh' \
-    -exec sh -c 'shellcheck "$1"' -- {} \;
-
-else
-  echo 'shellcheck is not installed. See https://github.com/facebook/react-native/wiki/Development-Dependencies#shellcheck for instructions.'
-  exit 1
-fi
@@ -8,7 +8,6 @@
 */

 const childProcess = require('child_process');
-const fs = require('fs');

 const usage = `
 === Usage ===
@@ -34,38 +33,6 @@ const MAESTRO_FLOW = args[2];
 const IS_DEBUG = args[3] === 'debug';
 const WORKING_DIRECTORY = args[4];

-const MAX_ATTEMPTS = 3;
-
-async function executeFlowWithRetries(flow, currentAttempt) {
-  try {
-    console.info(`Executing flow: ${flow}`);
-    const timeout = 1000 * 60 * 10; // 10 minutes
-    childProcess.execSync(
-      `MAESTRO_DRIVER_STARTUP_TIMEOUT=120000 $HOME/.maestro/bin/maestro test ${flow} --format junit -e APP_ID=${APP_ID} --debug-output /tmp/MaestroLogs`,
-      {stdio: 'inherit', timeout},
-    );
-  } catch (err) {
-    if (currentAttempt < MAX_ATTEMPTS) {
-      console.info(`Retrying...`);
-      await executeFlowWithRetries(flow, currentAttempt + 1);
-    } else {
-      throw err;
-    }
-  }
-}
-
-async function executeFlowInFolder(flowFolder) {
-  const files = fs.readdirSync(flowFolder);
-  for (const file of files) {
-    const filePath = `${flowFolder}/${file}`;
-    if (fs.lstatSync(filePath).isDirectory()) {
-      await executeFlowInFolder(filePath);
-    } else {
-      await executeFlowWithRetries(filePath, 0);
-    }
-  }
-}
-
 async function main() {
  console.info('\n==============================');
  console.info('Running tests for Android with the following parameters:');
@@ -88,21 +55,15 @@ async function main() {
      stdio: 'ignore',
      detached: true,
    });
-    metroProcess.unref();
    console.info(`- Metro PID: ${metroProcess.pid}`);
-
-    console.info('Wait For Metro to Start');
-    await sleep(5000);
  }

+  console.info('Wait For Metro to Start');
+  await sleep(5000);
+
  console.info('Start the app');
  childProcess.execSync(`adb shell monkey -p ${APP_ID} 1`, {stdio: 'ignore'});

-  if (IS_DEBUG) {
-    console.info('Wait For App to warm from Metro');
-    await sleep(10000);
-  }
-
  console.info('Start recording to /sdcard/screen.mp4');
  childProcess
    .exec('adb shell screenrecord /sdcard/screen.mp4', {
@@ -114,15 +75,10 @@ async function main() {
  console.info(`Start testing ${MAESTRO_FLOW}`);
  let error = null;
  try {
-    //check if MAESTRO_FLOW is a folder
-    if (
-      fs.existsSync(MAESTRO_FLOW) &&
-      fs.lstatSync(MAESTRO_FLOW).isDirectory()
-    ) {
-      await executeFlowInFolder(MAESTRO_FLOW);
-    } else {
-      await executeFlowWithRetries(MAESTRO_FLOW, 0);
-    }
+    childProcess.execSync(
+      `MAESTRO_DRIVER_STARTUP_TIMEOUT=120000 $HOME/.maestro/bin/maestro test ${MAESTRO_FLOW} --format junit -e APP_ID=${APP_ID} --debug-output /tmp/MaestroLogs`,
+      {stdio: 'inherit'},
+    );
  } catch (err) {
    error = err;
  } finally {
@@ -132,15 +88,15 @@ async function main() {
    if (IS_DEBUG && metroProcess != null) {
      const pid = metroProcess.pid;
      console.info(`Kill Metro. PID: ${pid}`);
-      process.kill(pid);
+      process.kill(-pid);
      console.info(`Metro Killed`);
+      process.exit();
    }
  }

  if (error) {
    throw error;
  }
-  process.exit();
 }

 function sleep(ms) {
@@ -1,176 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-const childProcess = require('child_process');
-const fs = require('fs');
-
-const usage = `
-=== Usage ===
-node maestro-android.js <path to app> <app_id> <maestro_flow> <flavor> <working_directory>
-
-@param {string} appPath - Path to the app APK
-@param {string} appId - App ID that needs to be launched
-@param {string} maestroFlow - Path to the maestro flow to be executed
-@param {string} jsengine - The JSEngine to use for the test
-@param {string} flavor - Flavor of the app to be launched. Can be 'Release' or 'Debug'
-@param {string} workingDirectory - Working directory from where to run Metro
-==============
-`;
-
-const args = process.argv.slice(2);
-
-if (args.length !== 6) {
-  throw new Error(`Invalid number of arguments.\n${usage}`);
-}
-
-const APP_PATH = args[0];
-const APP_ID = args[1];
-const MAESTRO_FLOW = args[2];
-const JS_ENGINE = args[3];
-const IS_DEBUG = args[4] === 'Debug';
-const WORKING_DIRECTORY = args[5];
-
-const MAX_ATTEMPTS = 5;
-
-function launchSimulator(simulatorName) {
-  console.log(`Launching simulator ${simulatorName}`);
-  try {
-    childProcess.execSync(`xcrun simctl boot "${simulatorName}"`);
-  } catch (error) {
-    if (
-      !error.message.includes('Unable to boot device in current state: Booted')
-    ) {
-      throw error;
-    }
-  }
-}
-
-function installAppOnSimulator(appPath) {
-  console.log(`Installing app at path ${appPath}`);
-  childProcess.execSync(`xcrun simctl install booted "${appPath}"`);
-}
-
-function extractSimulatorUDID() {
-  console.log('Retrieving device UDID');
-  const command = `xcrun simctl list devices booted -j | jq -r '[.devices[]] | add | first | .udid'`;
-  const udid = String(childProcess.execSync(command)).trim();
-  console.log(`UDID is ${udid}`);
-  return udid;
-}
-
-function bringSimulatorInForeground() {
-  console.log('Bringing simulator in foreground');
-  childProcess.execSync('open -a simulator');
-}
-
-function sleep(ms) {
-  return new Promise(resolve => {
-    setTimeout(resolve, ms);
-  });
-}
-
-async function launchAppOnSimulator(appId, udid, isDebug) {
-  console.log('Launch the app');
-  childProcess.execSync(`xcrun simctl launch "${udid}" "${appId}"`);
-
-  if (isDebug) {
-    console.log('Wait for metro to warm');
-    await sleep(20 * 1000);
-  }
-}
-
-function startVideoRecording(jsengine, currentAttempt) {
-  console.log(
-    `Start video record using pid: video_record_${jsengine}_${currentAttempt}.pid`,
-  );
-
-  const recordingArgs =
-    `simctl io booted recordVideo video_record_${jsengine}_${currentAttempt}.mov`.split(
-      ' ',
-    );
-  const recordingProcess = childProcess.spawn('xcrun', recordingArgs, {
-    detached: true,
-    stdio: 'ignore',
-  });
-
-  return recordingProcess;
-}
-
-function stopVideoRecording(recordingProcess) {
-  if (!recordingProcess) {
-    console.log("Passed a null recording process. Can't kill it");
-    return;
-  }
-
-  console.log(`Stop video record using pid: ${recordingProcess.pid}`);
-
-  recordingProcess.kill('SIGINT');
-}
-
-function executeTestsWithRetries(
-  appId,
-  udid,
-  maestroFlow,
-  jsengine,
-  currentAttempt,
-) {
-  const recProcess = startVideoRecording(jsengine, currentAttempt);
-  try {
-    const timeout = 1000 * 60 * 10; // 10 minutes
-    const command = `$HOME/.maestro/bin/maestro --udid="${udid}" test "${maestroFlow}" --format junit -e APP_ID="${appId}"`;
-    console.log(command);
-    childProcess.execSync(`MAESTRO_DRIVER_STARTUP_TIMEOUT=1500000 ${command}`, {
-      stdio: 'inherit',
-      timeout,
-    });
-
-    stopVideoRecording(recProcess);
-  } catch (error) {
-    // Can't put this in the finally block because it will be executed after the
-    // recursive call of executeTestsWithRetries
-    stopVideoRecording(recProcess);
-
-    if (currentAttempt < MAX_ATTEMPTS) {
-      executeTestsWithRetries(
-        appId,
-        udid,
-        maestroFlow,
-        jsengine,
-        currentAttempt + 1,
-      );
-    } else {
-      console.error(`Failed to execute flow after ${MAX_ATTEMPTS} attempts.`);
-      throw error;
-    }
-  }
-}
-
-async function main() {
-  console.info('\n==============================');
-  console.info('Running tests for iOS with the following parameters:');
-  console.info(`APP_PATH: ${APP_PATH}`);
-  console.info(`APP_ID: ${APP_ID}`);
-  console.info(`MAESTRO_FLOW: ${MAESTRO_FLOW}`);
-  console.info(`JS_ENGINE: ${JS_ENGINE}`);
-  console.info(`IS_DEBUG: ${IS_DEBUG}`);
-  console.info(`WORKING_DIRECTORY: ${WORKING_DIRECTORY}`);
-  console.info('==============================\n');
-
-  const simulatorName = 'iPhone 15 Pro';
-  launchSimulator(simulatorName);
-  installAppOnSimulator(APP_PATH);
-  const udid = extractSimulatorUDID();
-  bringSimulatorInForeground();
-  await launchAppOnSimulator(APP_ID, udid, IS_DEBUG);
-  executeTestsWithRetries(APP_ID, udid, MAESTRO_FLOW, JS_ENGINE, 1);
-  console.log('Test finished');
-  process.exit(0);
-}
-
-main();
@@ -7,7 +7,7 @@
 * @format
 */

-const {run, sleep, log, verifyPublishedPackage} = require('./utils.js');
+const {run, sleep, getNpmPackageInfo, log} = require('./utils.js');

 const TAG_AS_LATEST_REGEX = /#publish-packages-to-npm&latest/;

@@ -53,7 +53,8 @@ module.exports.publishTemplate = async (github, version, dryRun = true) => {
  });
 };

-const MAX_RETRIES = 3 * 6; // 18 attempts. Waiting between attempt: 10 s. Total time: 3 mins.
+const SLEEP_S = 10;
+const MAX_RETRIES = 3 * 6; // 3 minutes
 const TEMPLATE_NPM_PKG = '@react-native-community/template';

 /**
@@ -67,15 +68,36 @@ module.exports.verifyPublishedTemplate = async (
  latest = false,
  retries = MAX_RETRIES,
 ) => {
-  try {
-    await verifyPublishedPackage(
-      TEMPLATE_NPM_PKG,
-      version,
-      latest ? 'latest' : null,
-      retries,
-    );
-  } catch (e) {
-    console.error(e.message);
-    process.exit(1);
+  log(`🔍 Is ${TEMPLATE_NPM_PKG}@${version} on npm?`);
+
+  let count = retries;
+  while (count-- > 0) {
+    try {
+      const json = await getNpmPackageInfo(
+        TEMPLATE_NPM_PKG,
+        latest ? 'latest' : version,
+      );
+      log(`🎉 Found ${TEMPLATE_NPM_PKG}@${version} on npm`);
+      if (!latest) {
+        return;
+      }
+      if (json.version === version) {
+        log(`🎉 ${TEMPLATE_NPM_PKG}@latest → ${version} on npm`);
+        return;
+      }
+      log(
+        `🐌 ${TEMPLATE_NPM_PKG}@latest → ${pkg.version} on npm and not ${version} as expected, retrying...`,
+      );
+    } catch (e) {
+      log(`Nope, fetch failed: ${e.message}`);
+    }
+    await sleep(SLEEP_S);
  }
+
+  let msg = `🚨 Timed out when trying to verify ${TEMPLATE_NPM_PKG}@${version} on npm`;
+  if (latest) {
+    msg += ' and latest tag points to this version.';
+  }
+  log(msg);
+  process.exit(1);
 };
@@ -12,22 +12,18 @@ const {execSync} = require('child_process');
 function run(cmd) {
  return execSync(cmd, 'utf8').toString().trim();
 }
+module.exports.run = run;

 async function sleep(seconds) {
  return new Promise(resolve => setTimeout(resolve, seconds * 1000));
 }
+module.exports.sleep = sleep;

 async function getNpmPackageInfo(pkg, versionOrTag) {
  return fetch(`https://registry.npmjs.org/${pkg}/${versionOrTag}`).then(resp =>
    resp.json(),
  );
 }
+module.exports.getNpmPackageInfo = getNpmPackageInfo;

-const log = (...args) => console.log(...args);
-
-module.exports = {
-  log,
-  getNpmPackageInfo,
-  sleep,
-  run,
-};
+module.exports.log = (...args) => console.log(...args);
@@ -1,63 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-const {log, getNpmPackageInfo, sleep} = require('./utils');
-
-const SLEEP_S = 10;
-const MAX_RETRIES = 3 * 6; // 18 attempts. Waiting between attempt: 10 s. Total time: 3 mins.
-
-async function verifyPublishedPackage(
-  packageName,
-  version,
-  tag = null,
-  retries = MAX_RETRIES,
-) {
-  log(`🔍 Is ${packageName}@${version} on npm?`);
-
-  let count = retries;
-  while (count-- > 0) {
-    try {
-      const json = await getNpmPackageInfo(packageName, tag ? tag : version);
-      log(`🎉 Found ${packageName}@${version} on npm`);
-      if (!tag) {
-        return;
-      }
-
-      // check for next tag
-      if (tag === 'next' && json.version === version) {
-        log(`🎉 ${packageName}@next → ${version} on npm`);
-        return;
-      }
-
-      // Check for latest tag
-      if (tag === 'latest' && json.version === version) {
-        log(`🎉 ${packageName}@latest → ${version} on npm`);
-        return;
-      }
-
-      log(
-        `🐌 ${packageName}@${tag} → ${pkg.version} on npm and not ${version} as expected, retrying...`,
-      );
-    } catch (e) {
-      log(`Nope, fetch failed: ${e.message}`);
-    }
-    await sleep(SLEEP_S);
-  }
-
-  let msg = `🚨 Timed out when trying to verify ${packageName}@${version} on npm`;
-  if (tag) {
-    msg += ` and ${tag} tag points to this version.`;
-  }
-  log(msg);
-  process.exit(1);
-}
-
-module.exports = {
-  verifyPublishedPackage,
-};
@@ -1,26 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-const {run, sleep, log, verifyPublishedPackage} = require('./utils.js');
-const REACT_NATIVE_NPM_PKG = 'react-native';
-const MAX_RETRIES = 3 * 6; // 18 attempts. Waiting between attempt: 10 s. Total time: 3 mins.
-/**
- * Will verify that @latest, @next and the @<version> have been published.
- *
- * NOTE: This will infinitely query each step until successful, make sure the
- *       calling job has a timeout.
- */
-module.exports.verifyReleaseOnNpm = async (
-  version,
-  latest = false,
-  retries = MAX_RETRIES,
-) => {
-  const tag = version.includes('-rc.') ? 'next' : latest ? 'latest' : null;
-  await verifyPublishedPackage(REACT_NATIVE_NPM_PKG, version, tag, retries);
-};
@@ -18,8 +18,9 @@ jobs:
    if: github.repository == 'facebook/react-native'
    steps:
      - uses: actions/checkout@v4
-      - name: Run yarn install
-        uses: ./.github/actions/yarn-install
+      - name: Run Yarn Install on Root
+        run: yarn install
+        working-directory: .
      - name: Danger
        run: yarn danger ci --use-github-checks --failOnErrors
        working-directory: packages/react-native-bots
@@ -1,27 +0,0 @@
-name: Monitor React Native New Issues
-
-on:
-  schedule:
-    - cron: "0 */6 * * *"
-  workflow_dispatch:
-
-jobs:
-  monitor-issues:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-      - name: Monitor New Issues
-        uses: react-native-community/repo-monitor@v1.0.0
-        with:
-          task: "monitor-issues"
-          git_secret: ${{ secrets.GITHUB_TOKEN }}
-          notifier: "discord"
-          fetch_data_interval: 6
-          repo_owner: "facebook"
-          repo_name: "react-native"
-          discord_webhook_url: "${{ secrets.DISCORD_WEBHOOK_URL }}"
-          discord_id_type: "role"
-          discord_ids: "1339243367841927228"
@@ -170,7 +170,7 @@ jobs:
      env:
        TERM: "dumb"
        GRADLE_OPTS: "-Dorg.gradle.daemon=false"
-        # By default we only build ARM64 to save time/resources. For release/nightlies, we override this value to build all archs.
+        # 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"
    env:
      HERMES_WS_DIR: /tmp/hermes
@@ -17,7 +17,7 @@ jobs:
      - name: Setup node.js
        uses: ./.github/actions/setup-node
      - name: Run Yarn Install
-        uses: ./.github/actions/yarn-install
+        uses: ./.github/actions/yarn-install-with-cache
      - name: Build packages
        run: yarn build
      - name: Set NPM auth token
@@ -167,7 +167,7 @@ jobs:
      env:
        TERM: "dumb"
        GRADLE_OPTS: "-Dorg.gradle.daemon=false"
-        # By default we only build ARM64 to save time/resources. For release/nightlies, we override this value to build all archs.
+        # 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"
    env:
      HERMES_WS_DIR: /tmp/hermes
@@ -214,13 +214,3 @@ jobs:
            -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 }}\" }}"
-      - name: Verify Release is on NPM
-        timeout-minutes: 3
-        uses: actions/github-script@v6
-        with:
-          github-token: ${{ secrets.REACT_NATIVE_BOT_GITHUB_TOKEN }}
-          script: |
-            const {verifyReleaseOnNpm} = require('./.github/workflow-scripts/verifyReleaseOnNpm.js');
-            const {isLatest()} = require('./.github/workflow-scripts/publishTemplate.js');
-            const version = "${{ github.ref_name }}";
-            await verifyReleaseOnNpm(version, isLatest());
@@ -157,7 +157,7 @@ jobs:
          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}

  test_ios_rntester:
-    runs-on: macos-13-large
+    runs-on: macos-13
    needs:
      [build_apple_slices_hermes, prepare_hermes_workspace, build_hermes_macos]
    env:
@@ -169,14 +169,6 @@ jobs:
      matrix:
        jsengine: [Hermes, JSC]
        architecture: [NewArch, OldArch]
-        flavor: [Debug, Release]
-        exclude: # We don't want to test the Old Arch in Release for E2E
-          - jsengine: Hermes
-            architecture: OldArch
-            flavor: Release
-          - jsengine: JSC
-            architecture: OldArch
-            flavor: Release
    steps:
      - name: Checkout
        uses: actions/checkout@v4
@@ -189,13 +181,12 @@ jobs:
          use-frameworks: StaticLibraries
          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:
    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
    runs-on: macos-13-large
    needs:
-      [test_ios_rntester]
+      [build_apple_slices_hermes, prepare_hermes_workspace, build_hermes_macos]
    env:
      HERMES_WS_DIR: /tmp/hermes
      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
@@ -209,17 +200,21 @@ jobs:
    steps:
      - name: Checkout
        uses: actions/checkout@v4
-      - name: Download App
-        uses: actions/download-artifact@v4
+      - name: Run it
+        uses: ./.github/actions/test-ios-rntester
        with:
-          name: RNTesterApp-${{ matrix.architecture }}-${{ matrix.jsengine }}-${{ matrix.flavor }}
-          path: /tmp/RNTesterBuild/RNTester.app
-      - name: Check downloaded folder content
-        run: ls -lR /tmp/RNTesterBuild
+          jsengine: ${{ matrix.jsengine }}
+          architecture: ${{ matrix.architecture }}
+          run-unit-tests: "false"
+          use-frameworks: StaticLibraries
+          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
+          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+          run-e2e-tests: "true"
+          flavor: ${{ matrix.flavor }}
      - name: Run E2E Tests
        uses: ./.github/actions/maestro-ios
        with:
-          app-path: "/tmp/RNTesterBuild/RNTester.app"
+          app-path: "/tmp/RNTesterBuild/Build/Products/${{ matrix.flavor }}-iphonesimulator/RNTester.app"
          app-id: com.meta.RNTester.localDevelopment
          jsengine: ${{ matrix.jsengine }}
          maestro-flow: ./packages/rn-tester/.maestro/
@@ -238,7 +233,6 @@ jobs:
      matrix:
        jsengine: [Hermes, JSC]
        flavor: [Debug, Release]
-        architecture: [OldArch, NewArch]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
@@ -247,7 +241,7 @@ jobs:
      - name: Setup node.js
        uses: ./.github/actions/setup-node
      - name: Run yarn
-        uses: ./.github/actions/yarn-install
+        uses: ./.github/actions/yarn-install-with-cache
      - name: Setup ruby
        uses: ruby/setup-ruby@v1.170.0
        with:
@@ -283,12 +277,7 @@ jobs:

          cd /tmp/RNTestProject/ios
          bundle install
-          NEW_ARCH_ENABLED=1
-          if [[ ${{ matrix.architecture }} == "OldArch" ]]; then
-            echo "Disable the New Architecture"
-            NEW_ARCH_ENABLED=0
-          fi
-          HERMES_ENGINE_TARBALL_PATH=$HERMES_PATH RCT_NEW_ARCH_ENABLED=$NEW_ARCH_ENABLED bundle exec pod install
+          HERMES_ENGINE_TARBALL_PATH=$HERMES_PATH bundle exec pod install

          xcodebuild \
            -scheme "RNTestProject" \
@@ -306,7 +295,6 @@ jobs:
          maestro-flow: ./scripts/e2e/.maestro/
          flavor: ${{ matrix.flavor }}
          working-directory: /tmp/RNTestProject
-          architecture: ${{ matrix.architecture }}

  test_e2e_android_templateapp:
    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
@@ -318,14 +306,13 @@ jobs:
      matrix:
        jsengine: [Hermes, JSC]
        flavor: [debug, release]
-        architecture: [OldArch, NewArch]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup node.js
        uses: ./.github/actions/setup-node
      - name: Run yarn
-        uses: ./.github/actions/yarn-install
+        uses: ./.github/actions/yarn-install-with-cache
      - name: Set up JDK 17
        uses: actions/setup-java@v2
        with:
@@ -364,16 +351,6 @@ jobs:
          cd /tmp/RNTestProject
          echo "react.internal.mavenLocalRepo=$MAVEN_LOCAL" >> android/gradle.properties

-          if [[ ${{matrix.architecture}} == "OldArch" ]]; then
-            echo "Disabling the New Architecture"
-            sed -i 's/newArchEnabled=true/newArchEnabled=false/' android/gradle.properties
-          fi
-
-          if [[ ${{matrix.jsengine}} == "JSC" ]]; then
-            echo "Using JSC instead of Hermes"
-            sed -i 's/hermesEnabled=true/hermesEnabled=false/' android/gradle.properties
-          fi
-
          # Build
          cd android
          CAPITALIZED_FLAVOR=$(echo "${{ matrix.flavor }}" | awk '{print toupper(substr($0, 1, 1)) substr($0, 2)}')
@@ -381,7 +358,6 @@ jobs:

      - name: Run E2E Tests
        uses: ./.github/actions/maestro-android
-        timeout-minutes: 60
        with:
          app-path: /tmp/RNTestProject/android/app/build/outputs/apk/${{ matrix.flavor }}/app-${{ matrix.flavor }}.apk
          app-id: com.rntestproject
@@ -390,7 +366,6 @@ jobs:
          install-java: 'false'
          flavor: ${{ matrix.flavor }}
          working-directory: /tmp/RNTestProject
-          architecture: ${{ matrix.architecture }}

  build_hermesc_linux:
    runs-on: ubuntu-latest
@@ -446,8 +421,10 @@ jobs:
          run-e2e-tests: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}

  test_e2e_android_rntester:
-    if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
-    runs-on: 4-core-ubuntu
+    # Temporarily disable RNTester tests on Android as they are quite flaky and they make CI always red
+    # if: ${{ github.ref == 'refs/heads/main' || contains(github.ref,  'stable') || inputs.run-e2e-tests }}
+    if: ${{ contains(github.ref,  'stable') || inputs.run-e2e-tests }}
+    runs-on: ubuntu-latest
    needs: [build_android]
    strategy:
      fail-fast: false
@@ -460,7 +437,7 @@ jobs:
      - name: Setup node.js
        uses: ./.github/actions/setup-node
      - name: Install node dependencies
-        uses: ./.github/actions/yarn-install
+        uses: ./.github/actions/yarn-install-with-cache
      - name: Download APK
        uses: actions/download-artifact@v4
        with:
@@ -470,7 +447,6 @@ jobs:
        run: ls -lR ./packages/rn-tester/android/app/build/outputs/apk/${{ matrix.jsengine }}/${{ matrix.flavor }}/
      - name: Run E2E Tests
        uses: ./.github/actions/maestro-android
-        timeout-minutes: 60
        with:
          app-path: ./packages/rn-tester/android/app/build/outputs/apk/${{ matrix.jsengine }}/${{ matrix.flavor }}/app-${{ matrix.jsengine }}-x86-${{ matrix.flavor }}.apk
          app-id: com.facebook.react.uiapp
@@ -543,7 +519,7 @@ jobs:
      - name: Setup gradle
        uses: ./.github/actions/setup-gradle
      - name: Run yarn install
-        uses: ./.github/actions/yarn-install
+        uses: ./.github/actions/yarn-install-with-cache
      - name: Prepare the Helloworld application
        shell: bash
        run: node ./scripts/e2e/init-project-e2e.js --useHelloWorld --pathToLocalReactNative "$GITHUB_WORKSPACE/build/$(cat build/react-native-package-version)"
@@ -0,0 +1,45 @@
+name: Trigger E2E Tests on Comment
+# This workflow is used to automatically trigger E2E tests when a comment is made
+# containing the text "/run-e2e-tests".
+
+on:
+  issue_comment:
+    types: [created]
+permissions:
+  contents: read
+jobs:
+  trigger-e2e-tests:
+    name: Trigger E2E Tests
+    runs-on: ubuntu-latest
+    if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/test-e2e')
+    steps:
+      # This is needed because of https://github.com/actions/runner-images/issues/6283
+      # TL;DR: brew is not in the PATH anymore.
+      - name: Setup Homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+      - name: Install jq
+        run: brew install jq
+      - name: Run E2E Tests
+        run: |
+          # Github does not provide the branch of a PR when a comment on a PR is made
+          # So, given the issue number, which is the PR number, we can retrieve the branch with
+          # a quick API call
+          echo "Retrieving branch"
+          BRANCH=$(curl -L \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer $GITHUB_TOKEN" \
+            -H "X-GitHub-Api-Version: 2022-11-28" \
+            https://api.github.com/repos/facebook/react-native/pulls/$PR_NUMBER | jq -r '.head.ref')
+
+          echo "Trigger Test All workflow for branch $BRANCH"
+          curl -L \
+            -X POST \
+            -H "Accept: application/vnd.github+json" \
+            -H "Authorization: Bearer $GITHUB_TOKEN" \
+            -H "X-GitHub-Api-Version: 2022-11-28" \
+            https://api.github.com/repos/facebook/react-native/actions/workflows/test-all.yml/dispatches \
+            -d "{\"ref\": \"$BRANCH\", \"inputs\": {\"run-e2e-tests\": \"true\"}}"
+
+        env:
+          GITHUB_TOKEN: ${{ secrets.REACT_NATIVE_BOT_GITHUB_TOKEN }}
+          PR_NUMBER: ${{ github.event.issue.number }}
@@ -0,0 +1,18 @@
+name: Update node modules cache
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+  update_node_modules_cache:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install yarn dependencies and update cache
+        uses: ./.github/actions/yarn-install-with-cache
+        with:
+          update-cache: "true"
@@ -68,7 +68,6 @@ local.properties
 *.iml
 /packages/react-native/android/*
 !/packages/react-native/android/README.md
-.kotlin/

 # Node
 node_modules
@@ -154,8 +153,8 @@ vendor/
 # Temporary files created by Metro to check the health of the file watcher
 .metro-health-check*

-# Jest Integration
-/packages/react-native-fantom/build/
+# CircleCI
+.circleci/generated_config.yml

-# [Experimental] Generated TS type definitions
-/packages/react-native/types_generated/
+# Jest Integration
+/jest/integration/build/
@@ -7,6 +7,5 @@

 packages/*/dist
 vendor
-packages/react-native/types_generated/

 packages/react-native-codegen/e2e/__test_fixtures__/modules/NativeEnumTurboModule.js
@@ -6,10 +6,3 @@ ruby ">= 2.6.10"
 gem 'cocoapods', '~> 1.13', '!= 1.15.0', '!= 1.15.1'
 gem 'activesupport', '>= 6.1.7.5', '< 7.1.0'
 gem 'xcodeproj', '< 1.26.0'
-gem 'concurrent-ruby', '<= 1.3.4'
-
-# Ruby 3.4.0 has removed some libraries from the standard library.
-gem 'bigdecimal'
-gem 'logger'
-gem 'benchmark'
-gem 'mutex_m'
@@ -14,8 +14,6 @@ GEM
      httpclient (~> 2.8, >= 2.8.3)
      json (>= 1.5.1)
    atomos (0.1.3)
-    benchmark (0.4.0)
-    bigdecimal (3.1.9)
    claide (1.1.0)
    cocoapods (1.14.2)
      addressable (~> 2.8)
@@ -67,10 +65,8 @@ GEM
    i18n (1.14.1)
      concurrent-ruby (~> 1.0)
    json (2.6.3)
-    logger (1.6.5)
    minitest (5.20.0)
    molinillo (0.8.0)
-    mutex_m (0.3.0)
    nanaimo (0.3.0)
    nap (1.1.0)
    netrc (0.11.0)
@@ -94,13 +90,7 @@ PLATFORMS

 DEPENDENCIES
  activesupport (>= 6.1.7.5, < 7.1.0)
-  benchmark
-  bigdecimal
  cocoapods (~> 1.13, != 1.15.1, != 1.15.0)
-  concurrent-ruby (<= 1.3.4)
-  logger
-  mutex_m
-  xcodeproj (< 1.26.0)

 RUBY VERSION
   ruby 3.2.0p0
@@ -0,0 +1,393 @@
+Attribution 4.0 International
+
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+     Rights (but not its individual contents) is Adapted Material; and
+
+  c. You must comply with the conditions in Section 3(a) if You Share
+     all or a substantial portion of the contents of the database.
+
+For the avoidance of doubt, this Section 4 supplements and does not
+replace Your obligations under this Public License where the Licensed
+Rights include other Copyright and Similar Rights.
+
+
+Section 5 -- Disclaimer of Warranties and Limitation of Liability.
+
+  a. UNLESS OTHERWISE SEPARATELY UNDERTAKEN BY THE LICENSOR, TO THE
+     EXTENT POSSIBLE, THE LICENSOR OFFERS THE LICENSED MATERIAL AS-IS
+     AND AS-AVAILABLE, AND MAKES NO REPRESENTATIONS OR WARRANTIES OF
+     ANY KIND CONCERNING THE LICENSED MATERIAL, WHETHER EXPRESS,
+     IMPLIED, STATUTORY, OR OTHER. THIS INCLUDES, WITHOUT LIMITATION,
+     WARRANTIES OF TITLE, MERCHANTABILITY, FITNESS FOR A PARTICULAR
+     PURPOSE, NON-INFRINGEMENT, ABSENCE OF LATENT OR OTHER DEFECTS,
+     ACCURACY, OR THE PRESENCE OR ABSENCE OF ERRORS, WHETHER OR NOT
+     KNOWN OR DISCOVERABLE. WHERE DISCLAIMERS OF WARRANTIES ARE NOT
+     ALLOWED IN FULL OR IN PART, THIS DISCLAIMER MAY NOT APPLY TO YOU.
+
+  b. TO THE EXTENT POSSIBLE, IN NO EVENT WILL THE LICENSOR BE LIABLE
+     TO YOU ON ANY LEGAL THEORY (INCLUDING, WITHOUT LIMITATION,
+     NEGLIGENCE) OR OTHERWISE FOR ANY DIRECT, SPECIAL, INDIRECT,
+     INCIDENTAL, CONSEQUENTIAL, PUNITIVE, EXEMPLARY, OR OTHER LOSSES,
+     COSTS, EXPENSES, OR DAMAGES ARISING OUT OF THIS PUBLIC LICENSE OR
+     USE OF THE LICENSED MATERIAL, EVEN IF THE LICENSOR HAS BEEN
+     ADVISED OF THE POSSIBILITY OF SUCH LOSSES, COSTS, EXPENSES, OR
+     DAMAGES. WHERE A LIMITATION OF LIABILITY IS NOT ALLOWED IN FULL OR
+     IN PART, THIS LIMITATION MAY NOT APPLY TO YOU.
+
+  c. The disclaimer of warranties and limitation of liability provided
+     above shall be interpreted in a manner that, to the extent
+     possible, most closely approximates an absolute disclaimer and
+     waiver of all liability.
+
+
+Section 6 -- Term and Termination.
+
+  a. This Public License applies for the term of the Copyright and
+     Similar Rights licensed here. However, if You fail to comply with
+     this Public License, then Your rights under this Public License
+     terminate automatically.
+
+  b. Where Your right to use the Licensed Material has terminated under
+     Section 6(a), it reinstates:
+
+       1. automatically as of the date the violation is cured, provided
+          it is cured within 30 days of Your discovery of the
+          violation; or
+
+       2. upon express reinstatement by the Licensor.
+
+     For the avoidance of doubt, this Section 6(b) does not affect any
+     right the Licensor may have to seek remedies for Your violations
+     of this Public License.
+
+  c. For the avoidance of doubt, the Licensor may also offer the
+     Licensed Material under separate terms or conditions or stop
+     distributing the Licensed Material at any time; however, doing so
+     will not terminate this Public License.
+
+  d. Sections 1, 5, 6, 7, and 8 survive termination of this Public
+     License.
+
+
+Section 7 -- Other Terms and Conditions.
+
+  a. The Licensor shall not be bound by any additional or different
+     terms or conditions communicated by You unless expressly agreed.
+
+  b. Any arrangements, understandings, or agreements regarding the
+     Licensed Material not stated herein are separate from and
+     independent of the terms and conditions of this Public License.
+
+
+Section 8 -- Interpretation.
+
+  a. For the avoidance of doubt, this Public License does not, and
+     shall not be interpreted to, reduce, limit, restrict, or impose
+     conditions on any use of the Licensed Material that could lawfully
+     be made without permission under this Public License.
+
+  b. To the extent possible, if any provision of this Public License is
+     deemed unenforceable, it shall be automatically reformed to the
+     minimum extent necessary to make it enforceable. If the provision
+     cannot be reformed, it shall be severed from this Public License
+     without affecting the enforceability of the remaining terms and
+     conditions.
+
+  c. No term or condition of this Public License will be waived and no
+     failure to comply consented to unless expressly agreed to by the
+     Licensor.
+
+  d. Nothing in this Public License constitutes or may be interpreted
+     as a limitation upon, or waiver of, any privileges and immunities
+     that apply to the Licensor or You, including from the legal
+     processes of any jurisdiction or authority.
+
+
+=======================================================================
+
+Creative Commons is not a party to its public licenses.
+Notwithstanding, Creative Commons may elect to apply one of its public
+licenses to material it publishes and in those instances will be
+considered the "Licensor." Except for the limited purpose of indicating
+that material is shared under a Creative Commons public license or as
+otherwise permitted by the Creative Commons policies published at
+creativecommons.org/policies, Creative Commons does not authorize the
+use of the trademark "Creative Commons" or any other trademark or logo
+of Creative Commons without its prior written consent including,
+without limitation, in connection with any unauthorized modifications
+to any of its public licenses or any other arrangements,
+understandings, or agreements concerning use of licensed material. For
+the avoidance of doubt, this paragraph does not form part of the public
+licenses.
+
+Creative Commons may be contacted at creativecommons.org.
@@ -13,6 +13,9 @@
  <a href="https://github.com/facebook/react-native/blob/HEAD/LICENSE">
    <img src="https://img.shields.io/badge/license-MIT-blue.svg" alt="React Native is released under the MIT license." />
  </a>
+  <a href="https://circleci.com/gh/facebook/react-native">
+    <img src="https://circleci.com/gh/facebook/react-native.svg?style=shield" alt="Current CircleCI build status." />
+  </a>
  <a href="https://www.npmjs.org/package/react-native">
    <img src="https://img.shields.io/npm/v/react-native?color=brightgreen&label=npm%20package" alt="Current npm package version." />
  </a>
@@ -64,7 +67,7 @@ React Native is developed and supported by many companies and individual core co

 ## 📋 Requirements

-React Native apps may target iOS 15.1 and Android 7.0 (API 24) or newer. You may use Windows, macOS, or Linux as your development operating system, though building and running iOS apps is limited to macOS. Tools like [Expo](https://expo.dev) can be used to work around this.
+React Native apps may target iOS 13.4 and Android 6.0 (API 23) or newer. You may use Windows, macOS, or Linux as your development operating system, though building and running iOS apps is limited to macOS. Tools like [Expo](https://expo.dev) can be used to work around this.

 ## 🎉 Building your first React Native app

@@ -92,7 +92,7 @@ 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.
+  // We don't publish the external-artifacts to Maven Local as CircleCI is using it via workspace.
  dependsOn(
      ":packages:react-native:ReactAndroid:hermes-engine:publishAllPublicationsToMavenTempLocalRepository")
 }
@@ -12,9 +12,5 @@
 // https://www.npmjs.com/package/debug

 declare module 'debug' {
-  declare module.exports: {
-    (namespace: string): (...Array<mixed>) => void,
-    enable(match: string): void,
-    disable(): void,
-  };
+  declare module.exports: (namespace: string) => (...Array<mixed>) => void;
 }
@@ -1,32 +0,0 @@
-/**
- * (c) Meta Platforms, Inc. and affiliates. Confidential and proprietary.
- *
- * @flow strict
- * @format
- */
-
-// Built to match the API @ 5.0.0
-declare module 'ini' {
-  export type Options = {
-    whitespace?: boolean,
-    align?: boolean,
-    section?: string,
-    sort?: boolean,
-    newline?: boolean,
-    platform?: 'win32' | 'linux' | 'darwin',
-    bracketedArrays?: boolean,
-  };
-
-  declare type Ini = {
-    parse: <T>(string: string, options?: Options) => T,
-    decode: <T>(string: string) => T,
-    stringify: (
-      object: {[key: string]: string, ...},
-      section: string,
-    ) => string,
-    safe: (string: string) => string,
-    unsafe: (string: string) => string,
-  };
-
-  declare module.exports: Ini;
-}
@@ -1,77 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict
- * @format
- * @oncall react_native
- */
-
-declare module 'jest-snapshot' {
-  type SnapshotFormat = {...};
-
-  type UpdateSnapshot = 'all' | 'new' | 'none';
-
-  type ProjectConfig = {
-    rootDir: string,
-    prettierPath: string,
-    snapshotFormat: SnapshotFormat,
-    ...
-  };
-
-  type SnapshotResolver = {
-    /** Resolves from `testPath` to snapshot path. */
-    resolveSnapshotPath(testPath: string, snapshotExtension?: string): string,
-    /** Resolves from `snapshotPath` to test path. */
-    resolveTestPath(snapshotPath: string, snapshotExtension?: string): string,
-    /** Example test path, used for preflight consistency check of the implementation above. */
-    testPathForConsistencyCheck: string,
-  };
-
-  declare export var EXTENSION: 'snap';
-
-  declare export function isSnapshotPath(path: string): boolean;
-
-  type LocalRequire = (module: string) => mixed;
-
-  declare export function buildSnapshotResolver(
-    config: ProjectConfig,
-    localRequire?: Promise<LocalRequire> | LocalRequire,
-  ): Promise<SnapshotResolver>;
-
-  type SnapshotStateOptions = {
-    updateSnapshot: UpdateSnapshot,
-    prettierPath?: string | null,
-    expand?: boolean,
-    snapshotFormat: SnapshotFormat,
-    rootDir: string,
-  };
-
-  type SnapshotData = Record<string, string>;
-
-  type SaveStatus = {
-    deleted: boolean,
-    saved: boolean,
-  };
-
-  declare export class SnapshotState {
-    _dirty: boolean;
-    _updateSnapshot: UpdateSnapshot;
-    _snapshotData: SnapshotData;
-    _initialData: SnapshotData;
-    _uncheckedKeys: Set<string>;
-
-    added: number;
-    expand: boolean;
-    matched: number;
-    unmatched: number;
-    updated: number;
-    constructor(testPath: string, options: SnapshotStateOptions): void;
-    save(): SaveStatus;
-    getUncheckedCount(): number;
-    getUncheckedKeys(): Array<string>;
-    removeUncheckedKeys(): void;
-  }
-}
@@ -1,28 +1,29 @@
-declare module 'react-dom' {
-  import type {Component} from 'react';
+// flow-typed signature: e556c06e721548417501c08b01fec911
+// flow-typed version: ad3adf2de8/react-dom_v17.x.x/flow_>=v0.127.x

+declare module 'react-dom' {
  declare var version: string;

  declare function findDOMNode(
-    componentOrElement: Element | ?Component<any, any>
+    componentOrElement: Element | ?React$Component<any, any>
  ): null | Element | Text;

-  declare function render<ElementType: React.ElementType>(
-    element: ExactReactElement_DEPRECATED<ElementType>,
+  declare function render<ElementType: React$ElementType>(
+    element: React$Element<ElementType>,
    container: Element,
    callback?: () => void
-  ): React.ElementRef<ElementType>;
+  ): React$ElementRef<ElementType>;

-  declare function hydrate<ElementType: React.ElementType>(
-    element: ExactReactElement_DEPRECATED<ElementType>,
+  declare function hydrate<ElementType: React$ElementType>(
+    element: React$Element<ElementType>,
    container: Element,
    callback?: () => void
-  ): React.ElementRef<ElementType>;
+  ): React$ElementRef<ElementType>;

  declare function createPortal(
-    node: React.Node,
+    node: React$Node,
    container: Element
-  ): React.Portal;
+  ): React$Portal;

  declare function unmountComponentAtNode(container: any): boolean;

@@ -36,32 +37,30 @@ declare module 'react-dom' {
  ): void;

  declare function unstable_renderSubtreeIntoContainer<
-    ElementType: React.ElementType
+    ElementType: React$ElementType
  >(
-    parentComponent: Component<any, any>,
-    nextElement: ExactReactElement_DEPRECATED<ElementType>,
+    parentComponent: React$Component<any, any>,
+    nextElement: React$Element<ElementType>,
    container: any,
    callback?: () => void
-  ): React.ElementRef<ElementType>;
+  ): React$ElementRef<ElementType>;
 }

 declare module 'react-dom/server' {
  declare var version: string;

-  declare function renderToString(element: React.Node): string;
+  declare function renderToString(element: React$Node): string;

-  declare function renderToStaticMarkup(element: React.Node): string;
+  declare function renderToStaticMarkup(element: React$Node): string;

-  declare function renderToNodeStream(element: React.Node): stream$Readable;
+  declare function renderToNodeStream(element: React$Node): stream$Readable;

  declare function renderToStaticNodeStream(
-    element: React.Node
+    element: React$Node
  ): stream$Readable;
 }

 declare module 'react-dom/test-utils' {
-  import type {Component} from 'react';
-
  declare interface Thenable {
    then(resolve: () => mixed, reject?: () => mixed): mixed,
  }
@@ -75,66 +74,66 @@ declare module 'react-dom/test-utils' {
  };

  declare function renderIntoDocument(
-    instance: React.MixedElement
-  ): Component<any, any>;
+    instance: React$Element<any>
+  ): React$Component<any, any>;

  declare function mockComponent(
-    componentClass: React.ElementType,
+    componentClass: React$ElementType,
    mockTagName?: string
  ): { [key: string]: mixed, ... };

-  declare function isElement(element: React.MixedElement): boolean;
+  declare function isElement(element: React$Element<any>): boolean;

  declare function isElementOfType(
-    element: React.MixedElement,
-    componentClass: React.ElementType
+    element: React$Element<any>,
+    componentClass: React$ElementType
  ): boolean;

  declare function isDOMComponent(instance: any): boolean;

  declare function isCompositeComponent(
-    instance: Component<any, any>
+    instance: React$Component<any, any>
  ): boolean;

  declare function isCompositeComponentWithType(
-    instance: Component<any, any>,
-    componentClass: React.ElementType
+    instance: React$Component<any, any>,
+    componentClass: React$ElementType
  ): boolean;

  declare function findAllInRenderedTree(
-    tree: Component<any, any>,
-    test: (child: Component<any, any>) => boolean
-  ): Array<Component<any, any>>;
+    tree: React$Component<any, any>,
+    test: (child: React$Component<any, any>) => boolean
+  ): Array<React$Component<any, any>>;

  declare function scryRenderedDOMComponentsWithClass(
-    tree: Component<any, any>,
+    tree: React$Component<any, any>,
    className: string
  ): Array<Element>;

  declare function findRenderedDOMComponentWithClass(
-    tree: Component<any, any>,
+    tree: React$Component<any, any>,
    className: string
  ): ?Element;

  declare function scryRenderedDOMComponentsWithTag(
-    tree: Component<any, any>,
+    tree: React$Component<any, any>,
    tagName: string
  ): Array<Element>;

  declare function findRenderedDOMComponentWithTag(
-    tree: Component<any, any>,
+    tree: React$Component<any, any>,
    tagName: string
  ): ?Element;

  declare function scryRenderedComponentsWithType(
-    tree: Component<any, any>,
-    componentClass: React.ElementType
-  ): Array<Component<any, any>>;
+    tree: React$Component<any, any>,
+    componentClass: React$ElementType
+  ): Array<React$Component<any, any>>;

  declare function findRenderedComponentWithType(
-    tree: Component<any, any>,
-    componentClass: React.ElementType
-  ): ?Component<any, any>;
+    tree: React$Component<any, any>,
+    componentClass: React$ElementType
+  ): ?React$Component<any, any>;

  declare function act(callback: () => void | Thenable): Thenable;
 }
@@ -1,52 +1,50 @@
 // Type definitions for react-test-renderer 16.x.x
 // Ported from: https://github.com/DefinitelyTyped/DefinitelyTyped/blob/master/types/react-test-renderer

+type ReactComponentInstance = React$Component<any>;
+
+type ReactTestRendererJSON = {
+  type: string,
+  props: { [propName: string]: any, ... },
+  children: null | ReactTestRendererJSON[],
+  ...
+};
+
+type ReactTestRendererTree = ReactTestRendererJSON & {
+  nodeType: "component" | "host",
+  instance: ?ReactComponentInstance,
+  rendered: null | ReactTestRendererTree,
+  ...
+};
+
+type ReactTestInstance = {
+  instance: ?ReactComponentInstance,
+  type: string,
+  props: { [propName: string]: any, ... },
+  parent: null | ReactTestInstance,
+  children: Array<ReactTestInstance | string>,
+  find(predicate: (node: ReactTestInstance) => boolean): ReactTestInstance,
+  findByType(type: React$ElementType): ReactTestInstance,
+  findByProps(props: { [propName: string]: any, ... }): ReactTestInstance,
+  findAll(
+    predicate: (node: ReactTestInstance) => boolean,
+    options?: { deep: boolean, ... }
+  ): ReactTestInstance[],
+  findAllByType(
+    type: React$ElementType,
+    options?: { deep: boolean, ... }
+  ): ReactTestInstance[],
+  findAllByProps(
+    props: { [propName: string]: any, ... },
+    options?: { deep: boolean, ... }
+  ): ReactTestInstance[],
+  ...
+};
+
 type TestRendererOptions = { createNodeMock(element: React.MixedElement): any, ... };

 declare module "react-test-renderer" {
-  import type {Component as ReactComponent} from 'react';
-
-  type ReactComponentInstance = ReactComponent<any>;
-
-  export type ReactTestRendererJSON = {
-    type: string,
-    props: { [propName: string]: any, ... },
-    children: null | ReactTestRendererJSON[],
-    ...
-  };
-
-  export type ReactTestRendererTree = ReactTestRendererJSON & {
-    nodeType: "component" | "host",
-    instance: ?ReactComponentInstance,
-    rendered: null | ReactTestRendererTree,
-    ...
-  };
-
-  export type ReactTestInstance = {
-    instance: ?ReactComponentInstance,
-    type: string,
-    props: { [propName: string]: any, ... },
-    parent: null | ReactTestInstance,
-    children: Array<ReactTestInstance | string>,
-    find(predicate: (node: ReactTestInstance) => boolean): ReactTestInstance,
-    findByType(type: React.ElementType): ReactTestInstance,
-    findByProps(props: { [propName: string]: any, ... }): ReactTestInstance,
-    findAll(
-      predicate: (node: ReactTestInstance) => boolean,
-      options?: { deep: boolean, ... }
-    ): ReactTestInstance[],
-    findAllByType(
-      type: React.ElementType,
-      options?: { deep: boolean, ... }
-    ): ReactTestInstance[],
-    findAllByProps(
-      props: { [propName: string]: any, ... },
-      options?: { deep: boolean, ... }
-    ): ReactTestInstance[],
-    ...
-  };
-
-  export type ReactTestRenderer = {
+  declare export type ReactTestRenderer = {
    toJSON(): null | ReactTestRendererJSON,
    toTree(): null | ReactTestRendererTree,
    unmount(nextElement?: React.MixedElement): void,
@@ -67,8 +65,6 @@ declare module "react-test-renderer" {
 }

 declare module "react-test-renderer/shallow" {
-  import type {ReactTestInstance} from 'react-test-renderer';
-
  declare export default class ShallowRenderer {
    static createRenderer(): ShallowRenderer;
    getMountedInstance(): ReactTestInstance;
@@ -1,121 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict
- * @format
- * @oncall react_native
- */
-
-declare module 'tinybench' {
-  declare export class Task extends EventTarget {
-    name: string;
-    result: void | $ReadOnly<TaskResult>;
-    runs: number;
-
-    reset(): void;
-    run(): Promise<Task>;
-    runSync(): Task;
-    warmup(): Promise<void>;
-  }
-
-  export type Hook = (
-    task: Task,
-    mode: 'run' | 'warmup',
-  ) => Promise<void> | void;
-
-  export type BenchOptions = {
-    iterations?: number,
-    name?: string,
-    now?: () => number,
-    setup?: Hook,
-    signal?: AbortSignal,
-    teardown?: Hook,
-    throws?: boolean,
-    time?: number,
-    warmup?: boolean,
-    warmupIterations?: number,
-    warmupTime?: number,
-  };
-
-  export interface Statistics {
-    aad: void | number;
-    critical: number;
-    df: number;
-    mad: void | number;
-    max: number;
-    mean: number;
-    min: number;
-    moe: number;
-    p50: void | number;
-    p75: void | number;
-    p99: void | number;
-    p995: void | number;
-    p999: void | number;
-    rme: number;
-    samples: number[];
-    sd: number;
-    sem: number;
-    variance: number;
-  }
-
-  export interface TaskResult {
-    critical: number;
-    df: number;
-    error?: Error;
-    hz: number;
-    latency: Statistics;
-    max: number;
-    mean: number;
-    min: number;
-    moe: number;
-    p75: number;
-    p99: number;
-    p995: number;
-    p999: number;
-    period: number;
-    rme: number;
-    samples: number[];
-    sd: number;
-    sem: number;
-    throughput: Statistics;
-    totalTime: number;
-    variance: number;
-  }
-
-  export type FnOptions = {
-    afterAll?: (this: Task) => void | Promise<void>,
-    afterEach?: (this: Task) => void | Promise<void>,
-    beforeAll?: (this: Task) => void | Promise<void>,
-    beforeEach?: (this: Task) => void | Promise<void>,
-  };
-
-  export type Fn = () => Promise<mixed> | mixed;
-
-  declare export class Bench extends EventTarget {
-    concurrency: null | 'task' | 'bench';
-    name?: string;
-    opts: $ReadOnly<BenchOptions>;
-    threshold: number;
-
-    constructor(options?: BenchOptions): this;
-
-    // $FlowExpectedError[unsafe-getters-setters]
-    get results(): Array<$ReadOnly<TaskResult>>;
-
-    // $FlowExpectedError[unsafe-getters-setters]
-    get tasks(): Array<Task>;
-
-    add(name: string, fn: Fn, fnOpts?: FnOptions): this;
-    getTask(name: string): void | Task;
-    remove(name: string): this;
-    reset(): void;
-    run(): Promise<Array<Task>>;
-    runSync(): Array<Task>;
-    table(
-      convert?: (task: Task) => Record<string, void | string | number>,
-    ): void | Array<Record<string, void | string | number>>;
-  }
-}
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-all.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
@@ -86,7 +86,8 @@ done
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
 # Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
-APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit

 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -37,6 +37,7 @@ module.exports = {
    '/node_modules/',
    '<rootDir>/packages/react-native/sdks',
    '<rootDir>/packages/react-native/Libraries/Renderer',
+    '<rootDir>/packages/react-native-test-renderer/src',
    '<rootDir>/packages/react-native/sdks/hermes/',
    ...PODS_LOCATIONS,
  ],
@@ -12,26 +12,18 @@
 const baseConfig = require('../../../jest.config');
 const path = require('path');

-const isCI = Boolean(process.env.SANDCASTLE || process.env.GITHUB_ACTIONS);
-
 module.exports = {
  rootDir: path.resolve(__dirname, '../../..'),
  roots: [
    '<rootDir>/packages/react-native',
-    '<rootDir>/packages/react-native-fantom',
-    '<rootDir>/packages/polyfills',
+    '<rootDir>/jest/integration/runtime',
  ],
  moduleFileExtensions: [...baseConfig.moduleFileExtensions, 'cpp', 'h'],
  // This allows running Meta-internal tests with the `-test.fb.js` suffix.
  testRegex: '/__tests__/.*-itest(\\.fb)?\\.js$',
  testPathIgnorePatterns: baseConfig.testPathIgnorePatterns,
  transformIgnorePatterns: ['.*'],
-  testRunner: '<rootDir>/packages/react-native-fantom/runner/index.js',
-  watchPathIgnorePatterns: ['<rootDir>/packages/react-native-fantom/build/'],
-
-  // In CI, we want to prewarm the caches/builds before running the tests so
-  // that time isn't attributed to the first test that runs.
-  globalSetup: isCI
-    ? '<rootDir>/packages/react-native-fantom/runner/warmup/index.js'
-    : null,
+  testRunner: './jest/integration/runner/index.js',
+  watchPathIgnorePatterns: ['<rootDir>/jest/integration/build/'],
+  globalSetup: './jest/integration/runner/warmup/index.js',
 };
@@ -9,5 +9,5 @@

 'use strict';

-require('../../../scripts/babel-register').registerForMonorepo();
+require('../../../scripts/build/babel-register').registerForMonorepo();
 module.exports = require('@react-native/metro-babel-transformer');
@@ -20,7 +20,6 @@ const rnTesterConfig = getDefaultConfig(
 const JS_DIR = process.env.JS_DIR
  ? path.resolve(process.cwd(), process.env.JS_DIR)
  : null;
-const NODE_MODULES = path.sep + 'node_modules' + path.sep;

 const config = {
  projectRoot: path.resolve(__dirname, '../../..'),
@@ -29,22 +28,12 @@ const config = {
  },
  resolver: {
    blockList: /\/RendererProxy\.fb\.js$/, // Disable dependency injection for the renderer
+    disableHierarchicalLookup: !!JS_DIR,
    sourceExts: ['fb.js', ...rnTesterConfig.resolver.sourceExts],
    nodeModulesPaths: JS_DIR
      ? [path.join(JS_DIR, 'public', 'node_modules')]
      : [],
    hasteImplModulePath: path.resolve(__dirname, 'hasteImpl.js'),
-    resolveRequest: JS_DIR
-      ? (ctx, dep, platform) =>
-          ctx.originModulePath.includes(NODE_MODULES)
-            ? ctx.resolveRequest(ctx, dep, platform)
-            : // Disable hierarchical node_modules lookup from 1P code.
-              ctx.resolveRequest(
-                {...ctx, disableHierarchicalLookup: true},
-                dep,
-                platform,
-              )
-      : null,
  },
  transformer: {
    // We need to wrap the default transformer so we can run it from source
@@ -54,7 +43,8 @@ const config = {
  watchFolders: JS_DIR
    ? [
        path.join(JS_DIR, 'RKJSModules', 'vendor', 'react'),
-        path.join(JS_DIR, 'tools', 'metro', 'packages', 'metro-runtime'),
+        path.join(JS_DIR, 'tools', 'metro'),
+        path.join(JS_DIR, 'node_modules'),
        path.join(JS_DIR, 'public', 'node_modules'),
      ]
    : [],
@@ -9,30 +9,27 @@
 * @oncall react_native
 */

-const signedsource = require('signedsource');
-
-function translatedModuleTemplate({
-  source,
-  originalFileName,
+module.exports = function entrypointTemplate({
+  testPath,
+  setupModulePath,
 }: {
-  source: string,
-  originalFileName: string,
+  testPath: string,
+  setupModulePath: string,
 }): string {
-  return signedsource.signFile(
-    `/**
+  return `/**
 * 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.
 *
- * ${signedsource.getSigningToken()}
- *
- * This file was translated from Flow by scripts/build/build-types.js.
- * Original file: ${originalFileName}
+ * ${'@'}generated
+ * @noformat
+ * @noflow
+ * @oncall react_native
 */
-${source}
-`,
-  );
-}

-module.exports = translatedModuleTemplate;
+import {registerTest} from '${setupModulePath}';
+
+registerTest(() => require('${testPath}'));
+`;
+};
@@ -8,6 +8,6 @@
 * @oncall react_native
 */

-require('../../../scripts/babel-register').registerForMonorepo();
+require('../../../scripts/build/babel-register').registerForMonorepo();

 module.exports = require('./runner');
@@ -0,0 +1,229 @@
+/**
+ * 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
+ * @oncall react_native
+ */
+
+import type {TestSuiteResult} from '../runtime/setup';
+
+import entrypointTemplate from './entrypoint-template';
+import {
+  getBuckModeForPlatform,
+  getDebugInfoFromCommandResult,
+  getFantomTestConfig,
+  getShortHash,
+  runBuck2,
+  symbolicateStackTrace,
+} from './utils';
+import fs from 'fs';
+// $FlowExpectedError[untyped-import]
+import {formatResultsErrors} from 'jest-message-util';
+import Metro from 'metro';
+import nullthrows from 'nullthrows';
+import path from 'path';
+
+const BUILD_OUTPUT_PATH = path.resolve(__dirname, '..', 'build');
+
+const PRINT_FANTOM_OUTPUT: false = false;
+
+function parseRNTesterCommandResult(result: ReturnType<typeof runBuck2>): {
+  logs: string,
+  testResult: TestSuiteResult,
+} {
+  const stdout = result.stdout.toString();
+
+  const outputArray = stdout
+    .trim()
+    .split('\n')
+    .filter(log => !log.startsWith('Running "')); // remove AppRegistry logs.
+
+  // The last line should be the test output in JSON format
+  const testResultJSON = outputArray.pop();
+
+  let testResult;
+  try {
+    testResult = JSON.parse(nullthrows(testResultJSON));
+  } catch (error) {
+    throw new Error(
+      'Failed to parse test results from RN tester binary result.\n' +
+        getDebugInfoFromCommandResult(result),
+    );
+  }
+
+  return {logs: outputArray.join('\n'), testResult};
+}
+
+function generateBytecodeBundle({
+  sourcePath,
+  bytecodePath,
+  isOptimizedMode,
+}: {
+  sourcePath: string,
+  bytecodePath: string,
+  isOptimizedMode: boolean,
+}): void {
+  const hermesCompilerCommandResult = runBuck2([
+    'run',
+    getBuckModeForPlatform(isOptimizedMode),
+    '//xplat/hermes/tools/hermesc:hermesc',
+    '--',
+    '-emit-binary',
+    '-O',
+    '-max-diagnostic-width',
+    '80',
+    '-out',
+    bytecodePath,
+    sourcePath,
+  ]);
+
+  if (hermesCompilerCommandResult.status !== 0) {
+    throw new Error(getDebugInfoFromCommandResult(hermesCompilerCommandResult));
+  }
+}
+
+module.exports = async function runTest(
+  globalConfig: {...},
+  config: {...},
+  environment: {...},
+  runtime: {...},
+  testPath: string,
+): mixed {
+  const startTime = Date.now();
+
+  const testConfig = getFantomTestConfig(testPath);
+
+  const isOptimizedMode = testConfig.mode === 'opt';
+
+  const metroConfig = await Metro.loadConfig({
+    config: path.resolve(__dirname, '..', 'config', 'metro.config.js'),
+  });
+
+  const setupModulePath = path.resolve(__dirname, '../runtime/setup.js');
+
+  const entrypointContents = entrypointTemplate({
+    testPath: `${path.relative(BUILD_OUTPUT_PATH, testPath)}`,
+    setupModulePath: `${path.relative(BUILD_OUTPUT_PATH, setupModulePath)}`,
+  });
+
+  const entrypointPath = path.join(
+    BUILD_OUTPUT_PATH,
+    `${getShortHash(entrypointContents)}-${path.basename(testPath)}`,
+  );
+  const testBundlePath = entrypointPath + '.bundle';
+  const testJSBundlePath = testBundlePath + '.js';
+  const testBytecodeBundlePath = testJSBundlePath + '.hbc';
+
+  fs.mkdirSync(path.dirname(entrypointPath), {recursive: true});
+  fs.writeFileSync(entrypointPath, entrypointContents, 'utf8');
+
+  const sourceMapPath = path.join(
+    path.dirname(testJSBundlePath),
+    path.basename(testJSBundlePath, '.js') + '.map',
+  );
+
+  await Metro.runBuild(metroConfig, {
+    entry: entrypointPath,
+    out: testJSBundlePath,
+    platform: 'android',
+    minify: isOptimizedMode,
+    dev: !isOptimizedMode,
+    sourceMap: true,
+    sourceMapUrl: sourceMapPath,
+  });
+
+  if (isOptimizedMode) {
+    generateBytecodeBundle({
+      sourcePath: testJSBundlePath,
+      bytecodePath: testBytecodeBundlePath,
+      isOptimizedMode,
+    });
+  }
+
+  const rnTesterCommandResult = runBuck2([
+    'run',
+    getBuckModeForPlatform(isOptimizedMode),
+    '//xplat/ReactNative/react-native-cxx/samples/tester:tester',
+    '--',
+    '--bundlePath',
+    testBundlePath,
+  ]);
+
+  if (rnTesterCommandResult.status !== 0) {
+    throw new Error(getDebugInfoFromCommandResult(rnTesterCommandResult));
+  }
+
+  if (PRINT_FANTOM_OUTPUT) {
+    console.log(getDebugInfoFromCommandResult(rnTesterCommandResult));
+  }
+
+  const rnTesterParsedOutput = parseRNTesterCommandResult(
+    rnTesterCommandResult,
+  );
+
+  const testResultError = rnTesterParsedOutput.testResult.error;
+  if (testResultError) {
+    const error = new Error(testResultError.message);
+    error.stack = symbolicateStackTrace(sourceMapPath, testResultError.stack);
+    throw error;
+  }
+
+  const endTime = Date.now();
+
+  if (process.env.SANDCASTLE == null) {
+    console.log(rnTesterParsedOutput.logs);
+  }
+
+  const testResults =
+    nullthrows(rnTesterParsedOutput.testResult.testResults).map(testResult => ({
+      ancestorTitles: [] as Array<string>,
+      failureDetails: [] as Array<string>,
+      testFilePath: testPath,
+      ...testResult,
+      failureMessages: testResult.failureMessages.map(maybeStackTrace =>
+        symbolicateStackTrace(sourceMapPath, maybeStackTrace),
+      ),
+    })) ?? [];
+
+  return {
+    testFilePath: testPath,
+    failureMessage: formatResultsErrors(
+      testResults,
+      config,
+      globalConfig,
+      testPath,
+    ),
+    leaks: false,
+    openHandles: [],
+    perfStats: {
+      start: startTime,
+      end: endTime,
+      duration: endTime - startTime,
+      runtime: endTime - startTime,
+      slow: false,
+    },
+    snapshot: {
+      added: 0,
+      fileDeleted: false,
+      matched: 0,
+      unchecked: 0,
+      uncheckedKeys: [],
+      unmatched: 0,
+      updated: 0,
+    },
+    numTotalTests: testResults.length,
+    numPassingTests: testResults.filter(test => test.status === 'passed')
+      .length,
+    numFailingTests: testResults.filter(test => test.status === 'failed')
+      .length,
+    numPendingTests: testResults.filter(test => test.status === 'pending')
+      .length,
+    numTodoTests: 0,
+    skipped: false,
+    testResults,
+  };
+};
@@ -0,0 +1,158 @@
+/**
+ * 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
+ * @oncall react_native
+ */
+
+import {spawnSync} from 'child_process';
+import crypto from 'crypto';
+import fs from 'fs';
+// $FlowExpectedError[untyped-import]
+import {extract, parse} from 'jest-docblock';
+import os from 'os';
+// $FlowExpectedError[untyped-import]
+import {SourceMapConsumer} from 'source-map';
+
+type DocblockPragmas = {[key: string]: string | string[]};
+type FantomTestMode = 'dev' | 'opt';
+type FantomTestConfig = {
+  mode: FantomTestMode,
+};
+
+const DEFAULT_MODE: FantomTestMode = 'dev';
+
+/**
+ * Extracts the Fantom configuration from the test file, specified as part of
+ * the docblock comment. E.g.:
+ *
+ * ```
+ * /**
+ *  * @flow strict-local
+ *  * @fantom mode:opt
+ *  *
+ * ```
+ *
+ * So far the only supported option is `mode`, which can be 'dev' or 'opt'.
+ */
+export function getFantomTestConfig(testPath: string): FantomTestConfig {
+  const docblock = extract(fs.readFileSync(testPath, 'utf8'));
+  const pragmas = parse(docblock) as DocblockPragmas;
+
+  const config = {
+    mode: DEFAULT_MODE,
+  };
+
+  const maybeMode = pragmas.fantom_mode;
+
+  if (maybeMode != null) {
+    if (Array.isArray(maybeMode)) {
+      throw new Error('Expected a single value for @fantom_mode');
+    }
+
+    const mode = maybeMode;
+
+    if (mode === 'dev' || mode === 'opt') {
+      config.mode = mode;
+    } else {
+      throw new Error(`Invalid Fantom mode: ${mode}`);
+    }
+  }
+
+  return config;
+}
+
+export function getBuckModeForPlatform(enableRelease: boolean = false): string {
+  const mode = enableRelease ? 'opt' : 'dev';
+
+  switch (os.platform()) {
+    case 'linux':
+      return `@//arvr/mode/linux/${mode}`;
+    case 'darwin':
+      return os.arch() === 'arm64'
+        ? `@//arvr/mode/mac-arm/${mode}`
+        : `@//arvr/mode/mac/${mode}`;
+    case 'win32':
+      return `@//arvr/mode/win/${mode}`;
+    default:
+      throw new Error(`Unsupported platform: ${os.platform()}`);
+  }
+}
+
+type SpawnResultWithOriginalCommand = {
+  ...ReturnType<typeof spawnSync>,
+  originalCommand: string,
+  ...
+};
+
+export function runBuck2(args: Array<string>): SpawnResultWithOriginalCommand {
+  const result = spawnSync('buck2', args, {
+    encoding: 'utf8',
+    env: {
+      ...process.env,
+      PATH: `/usr/local/bin:${process.env.PATH ?? ''}`,
+    },
+  });
+
+  return {
+    ...result,
+    originalCommand: `buck2 ${args.join(' ')}`,
+  };
+}
+
+export function getDebugInfoFromCommandResult(
+  commandResult: SpawnResultWithOriginalCommand,
+): string {
+  const logLines = [
+    `Command ${commandResult.status === 0 ? 'succeeded' : 'failed'}: ${commandResult.originalCommand}`,
+    '',
+    'stdout:',
+    commandResult.stdout,
+    '',
+    'stderr:',
+    commandResult.stderr,
+  ];
+
+  if (commandResult.error) {
+    logLines.push('', 'error:', String(commandResult.error));
+  }
+
+  return logLines.join('\n');
+}
+
+export function getShortHash(contents: string): string {
+  return crypto.createHash('md5').update(contents).digest('hex').slice(0, 8);
+}
+
+export function symbolicateStackTrace(
+  sourceMapPath: string,
+  stackTrace: string,
+): string {
+  const sourceMapData = JSON.parse(fs.readFileSync(sourceMapPath, 'utf8'));
+  const consumer = new SourceMapConsumer(sourceMapData);
+
+  return stackTrace
+    .split('\n')
+    .map(line => {
+      const match = line.match(/at (.*) \((.*):(\d+):(\d+)\)/);
+      if (match) {
+        const functionName = match[1];
+        // const fileName = match[2];
+        const lineNumber = parseInt(match[3], 10);
+        const columnNumber = parseInt(match[4], 10);
+        // Get the original position
+        const originalPosition = consumer.originalPositionFor({
+          line: lineNumber,
+          column: columnNumber,
+        });
+        return `at ${originalPosition.name ?? functionName} (${originalPosition.source}:${originalPosition.line}:${originalPosition.column})`;
+      } else {
+        return line;
+      }
+    })
+    .join('\n');
+}
@@ -8,6 +8,6 @@
 * @oncall react_native
 */

-require('../../../../scripts/babel-register').registerForMonorepo();
+require('../../../../scripts/build/babel-register').registerForMonorepo();

 module.exports = require('./warmup');
@@ -10,9 +10,9 @@
 */

 import {
-  getBuckModesForPlatform,
+  getBuckModeForPlatform,
  getDebugInfoFromCommandResult,
-  runBuck2Sync,
+  runBuck2,
 } from '../utils';
 // $FlowExpectedError[untyped-import]
 import fs from 'fs';
@@ -20,49 +20,26 @@ import Metro from 'metro';
 import os from 'os';
 import path from 'path';

-async function tryOrLog(
-  fn: () => void | Promise<void>,
-  message: string,
+export default async function warmUp(
+  globalConfig: {...},
+  projectConfig: {...},
 ): Promise<void> {
  try {
-    await fn();
+    warmUpHermesCompiler();
+    warmUpRNTesterCLI();
+    await warmUpMetro();
  } catch (e) {
    // Sandcastle fails to parse the test output if we log stuff to stdout/stderr.
    if ((process.env.SANDCASTLE ?? '') !== '') {
      console.error(
        'Global warmup failed. Tests will continue to run but will likely fail. Details:\n',
-        message,
        e,
      );
    }
  }
 }

-export default async function warmUp(
-  globalConfig: {...},
-  projectConfig: {...},
-): Promise<void> {
-  await tryOrLog(
-    () => warmUpHermesCompiler(false),
-    'Error warming up Hermes compiler (dev)',
-  );
-  await tryOrLog(
-    () => warmUpHermesCompiler(true),
-    'Error warming up Hermes compiler (opt)',
-  );
-  await tryOrLog(
-    () => warmUpRNTesterCLI(false),
-    'Error warming up RN Tester CLI (dev)',
-  );
-  await tryOrLog(
-    () => warmUpRNTesterCLI(true),
-    'Error warming up RN Tester CLI (opt)',
-  );
-  await tryOrLog(() => warmUpMetro(false), 'Error warming up Metro (dev)');
-  await tryOrLog(() => warmUpMetro(true), 'Error warming up Metro (opt)');
-}
-
-async function warmUpMetro(isOptimizedMode: boolean): Promise<void> {
+async function warmUpMetro(): Promise<void> {
  const metroConfig = await Metro.loadConfig({
    config: path.resolve(__dirname, '..', '..', 'config', 'metro.config.js'),
  });
@@ -84,8 +61,8 @@ async function warmUpMetro(isOptimizedMode: boolean): Promise<void> {
    entry: entrypointPath,
    out: bundlePath,
    platform: 'android',
-    minify: isOptimizedMode,
-    dev: !isOptimizedMode,
+    minify: false,
+    dev: true,
  });

  try {
@@ -93,10 +70,10 @@ async function warmUpMetro(isOptimizedMode: boolean): Promise<void> {
  } catch {}
 }

-function warmUpHermesCompiler(isOptimizedMode: boolean): void {
-  const buildHermesCompilerCommandResult = runBuck2Sync([
+function warmUpHermesCompiler(): void {
+  const buildHermesCompilerCommandResult = runBuck2([
    'build',
-    ...getBuckModesForPlatform(isOptimizedMode),
+    getBuckModeForPlatform(),
    '//xplat/hermes/tools/hermesc:hermesc',
  ]);

@@ -107,10 +84,10 @@ function warmUpHermesCompiler(isOptimizedMode: boolean): void {
  }
 }

-function warmUpRNTesterCLI(isOptimizedMode: boolean): void {
-  const buildRNTesterCommandResult = runBuck2Sync([
+function warmUpRNTesterCLI(): void {
+  const buildRNTesterCommandResult = runBuck2([
    'build',
-    ...getBuckModesForPlatform(isOptimizedMode),
+    getBuckModeForPlatform(),
    '//xplat/ReactNative/react-native-cxx/samples/tester:tester',
  ]);

@@ -4,7 +4,6 @@
 * 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
 * @oncall react_native
 */
@@ -14,5 +13,5 @@
 */

 import 'react-native/Libraries/Core/InitializeCore.js';
-import '@react-native/fantom/src/__tests__/Fantom-itest';
+import 'react-native/src/private/__tests__/ReactNativeTester';
 import './setup';
@@ -0,0 +1,451 @@
+/**
+ * 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
+ * @oncall react_native
+ */
+
+import deepEqual from 'deep-equal';
+import nullthrows from 'nullthrows';
+
+export type TestCaseResult = {
+  ancestorTitles: Array<string>,
+  title: string,
+  fullName: string,
+  status: 'passed' | 'failed' | 'pending',
+  duration: number,
+  failureMessages: Array<string>,
+  numPassingAsserts: number,
+  // location: string,
+};
+
+export type TestSuiteResult =
+  | {
+      testResults: Array<TestCaseResult>,
+    }
+  | {
+      error: {
+        message: string,
+        stack: string,
+      },
+    };
+
+const tests: Array<{
+  title: string,
+  ancestorTitles: Array<string>,
+  implementation: () => mixed,
+  isFocused: boolean,
+  isSkipped: boolean,
+  result?: TestCaseResult,
+}> = [];
+
+const ancestorTitles: Array<string> = [];
+
+const globalModifiers: Array<'focused' | 'skipped'> = [];
+
+const globalDescribe = (global.describe = (
+  title: string,
+  implementation: () => mixed,
+) => {
+  ancestorTitles.push(title);
+  implementation();
+  ancestorTitles.pop();
+});
+
+const globalIt =
+  (global.it =
+  global.test =
+    (title: string, implementation: () => mixed) =>
+      tests.push({
+        title,
+        implementation,
+        ancestorTitles: ancestorTitles.slice(),
+        isFocused:
+          globalModifiers.length > 0 &&
+          globalModifiers[globalModifiers.length - 1] === 'focused',
+        isSkipped:
+          globalModifiers.length > 0 &&
+          globalModifiers[globalModifiers.length - 1] === 'skipped',
+      }));
+
+// $FlowExpectedError[prop-missing]
+global.fdescribe = global.describe.only = (
+  title: string,
+  implementation: () => mixed,
+) => {
+  globalModifiers.push('focused');
+  globalDescribe(title, implementation);
+  globalModifiers.pop();
+};
+
+// $FlowExpectedError[prop-missing]
+global.it.only =
+  global.fit =
+  // $FlowExpectedError[prop-missing]
+  global.test.only =
+    (title: string, implementation: () => mixed) => {
+      globalModifiers.push('focused');
+      globalIt(title, implementation);
+      globalModifiers.pop();
+    };
+
+// $FlowExpectedError[prop-missing]
+global.xdescribe = global.describe.skip = (
+  title: string,
+  implementation: () => mixed,
+) => {
+  globalModifiers.push('skipped');
+  globalDescribe(title, implementation);
+  globalModifiers.pop();
+};
+
+// $FlowExpectedError[prop-missing]
+global.it.skip =
+  global.xit =
+  // $FlowExpectedError[prop-missing]
+  global.test.skip =
+  global.xtest =
+    (title: string, implementation: () => mixed) => {
+      globalModifiers.push('skipped');
+      globalIt(title, implementation);
+      globalModifiers.pop();
+    };
+
+global.jest = {
+  fn: createMockFunction,
+};
+
+const MOCK_FN_TAG = Symbol('mock function');
+
+function createMockFunction<TArgs: $ReadOnlyArray<mixed>, TReturn>(
+  initialImplementation?: (...TArgs) => TReturn,
+): JestMockFn<TArgs, TReturn> {
+  let implementation: ?(...TArgs) => TReturn = initialImplementation;
+
+  const mock: JestMockFn<TArgs, TReturn>['mock'] = {
+    calls: [],
+    // $FlowExpectedError[incompatible-type]
+    lastCall: undefined,
+    instances: [],
+    contexts: [],
+    results: [],
+  };
+
+  const mockFunction = function (this: mixed, ...args: TArgs): TReturn {
+    let result: JestMockFn<TArgs, TReturn>['mock']['results'][number] = {
+      isThrow: false,
+      // $FlowExpectedError[incompatible-type]
+      value: undefined,
+    };
+
+    if (implementation != null) {
+      try {
+        result.value = implementation.apply(this, args);
+      } catch (error) {
+        result.isThrow = true;
+        result.value = error;
+      }
+    }
+
+    mock.calls.push(args);
+    mock.lastCall = args;
+    // $FlowExpectedError[incompatible-call]
+    mock.instances.push(new.target ? this : undefined);
+    mock.contexts.push(this);
+    mock.results.push(result);
+
+    if (result.isThrow) {
+      throw result.value;
+    }
+
+    return result.value;
+  };
+
+  mockFunction.mock = mock;
+  // $FlowExpectedError[invalid-computed-prop]
+  mockFunction[MOCK_FN_TAG] = true;
+
+  // $FlowExpectedError[prop-missing]
+  return mockFunction;
+}
+
+// flowlint unsafe-getters-setters:off
+
+class ErrorWithCustomBlame extends Error {
+  // Initially 5 to ignore all the frames from Babel helpers to instantiate this
+  // custom error class.
+  #ignoredFrameCount: number = 5;
+  #cachedProcessedStack: ?string;
+
+  blameToPreviousFrame(): this {
+    this.#ignoredFrameCount++;
+    return this;
+  }
+
+  get stack(): string {
+    if (this.#cachedProcessedStack == null) {
+      const originalStack = super.stack;
+
+      if (originalStack == null) {
+        this.#cachedProcessedStack = originalStack;
+      } else {
+        const lines = originalStack.split('\n');
+        const index = lines.findIndex(line =>
+          /at (.*) \((.*):(\d+):(\d+)\)/.test(line),
+        );
+        lines.splice(index > -1 ? index : 1, this.#ignoredFrameCount);
+        this.#cachedProcessedStack = lines.join('\n');
+      }
+    }
+
+    return this.#cachedProcessedStack;
+  }
+
+  set stack(value: string) {
+    // no-op
+  }
+}
+
+class Expect {
+  #received: mixed;
+  #isNot: boolean = false;
+
+  constructor(received: mixed) {
+    this.#received = received;
+  }
+
+  get not(): this {
+    this.#isNot = !this.#isNot;
+    return this;
+  }
+
+  toEqual(expected: mixed): void {
+    const pass = deepEqual(this.#received, expected, {strict: true});
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected${this.#maybeNotLabel()} to equal ${String(expected)} but received ${String(this.#received)}.`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toBe(expected: mixed): void {
+    const pass = this.#received === expected;
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected${this.#maybeNotLabel()} ${String(expected)} but received ${String(this.#received)}.`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toBeInstanceOf(expected: Class<mixed>): void {
+    const pass = this.#received instanceof expected;
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `expected ${String(this.#received)}${this.#maybeNotLabel()} to be an instance of ${String(expected)}`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toBeCloseTo(expected: number, precision: number = 2): void {
+    const pass =
+      Math.abs(expected - Number(this.#received)) < Math.pow(10, -precision);
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)}${this.#maybeNotLabel()} to be close to ${expected}`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toBeNull(): void {
+    const pass = this.#received == null;
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)}${this.#maybeNotLabel()} to be null`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toThrow(expected?: string): void {
+    if (expected != null && typeof expected !== 'string') {
+      throw new ErrorWithCustomBlame(
+        'toThrow() implementation only accepts strings as arguments.',
+      ).blameToPreviousFrame();
+    }
+
+    let pass = false;
+    try {
+      // $FlowExpectedError[not-a-function]
+      this.#received();
+    } catch (error) {
+      pass = expected != null ? error.message === expected : true;
+    }
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)}${this.#maybeNotLabel()} to throw`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toHaveBeenCalled(): void {
+    const mock = this.#requireMock();
+    const pass = mock.calls.length > 0;
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)}${this.#maybeNotLabel()} to have been called, but it was${this.#isNot ? '' : "n't"}`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toHaveBeenCalledTimes(times: number): void {
+    const mock = this.#requireMock();
+    const pass = mock.calls.length === times;
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)}${this.#maybeNotLabel()} to have been called ${times} times, but it was called ${mock.calls.length} times`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toBeGreaterThanOrEqual(expected: number): void {
+    if (typeof this.#received !== 'number') {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)} to be a number but it was a ${typeof this.#received}`,
+      ).blameToPreviousFrame();
+    }
+
+    if (typeof expected !== 'number') {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(expected)} to be a number but it was a ${typeof expected}`,
+      ).blameToPreviousFrame();
+    }
+
+    const pass = this.#received >= expected;
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)}${this.#maybeNotLabel()} to be greater than or equal to ${expected}`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  toBeLessThanOrEqual(expected: number): void {
+    if (typeof this.#received !== 'number') {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)} to be a number but it was a ${typeof this.#received}`,
+      ).blameToPreviousFrame();
+    }
+
+    if (typeof expected !== 'number') {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(expected)} to be a number but it was a ${typeof expected}`,
+      ).blameToPreviousFrame();
+    }
+
+    const pass = this.#received <= expected;
+    if (!this.#isExpectedResult(pass)) {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)}${this.#maybeNotLabel()} to be less than or equal to ${expected}`,
+      ).blameToPreviousFrame();
+    }
+  }
+
+  #isExpectedResult(pass: boolean): boolean {
+    return this.#isNot ? !pass : pass;
+  }
+
+  #maybeNotLabel(): string {
+    return this.#isNot ? ' not' : '';
+  }
+
+  #requireMock(): JestMockFn<$ReadOnlyArray<mixed>, mixed>['mock'] {
+    // $FlowExpectedError[incompatible-use]
+    if (!this.#received?.[MOCK_FN_TAG]) {
+      throw new ErrorWithCustomBlame(
+        `Expected ${String(this.#received)} to be a mock function, but it wasn't`,
+      )
+        .blameToPreviousFrame()
+        .blameToPreviousFrame();
+    }
+
+    // $FlowExpectedError[incompatible-use]
+    return this.#received.mock;
+  }
+}
+
+global.expect = (received: mixed) => new Expect(received);
+
+function runWithGuard(fn: () => void) {
+  try {
+    fn();
+  } catch (error) {
+    let reportedError =
+      error instanceof Error ? error : new Error(String(error));
+    reportTestSuiteResult({
+      error: {
+        message: reportedError.message,
+        stack: reportedError.stack,
+      },
+    });
+  }
+}
+
+function executeTests() {
+  const hasFocusedTests = tests.some(test => test.isFocused);
+
+  for (const test of tests) {
+    const result: TestCaseResult = {
+      title: test.title,
+      fullName: [...test.ancestorTitles, test.title].join(' '),
+      ancestorTitles: test.ancestorTitles,
+      status: 'pending',
+      duration: 0,
+      failureMessages: [],
+      numPassingAsserts: 0,
+    };
+
+    test.result = result;
+
+    if (!test.isSkipped && (!hasFocusedTests || test.isFocused)) {
+      let status;
+      let error;
+
+      const start = Date.now();
+
+      try {
+        test.implementation();
+        status = 'passed';
+      } catch (e) {
+        error = e;
+        status = 'failed';
+      }
+
+      result.status = status;
+      result.duration = Date.now() - start;
+      result.failureMessages =
+        status === 'failed' && error
+          ? [error.stack ?? error.message ?? String(error)]
+          : [];
+    }
+  }
+
+  reportTestSuiteResult({
+    testResults: tests.map(test => nullthrows(test.result)),
+  });
+}
+
+function reportTestSuiteResult(testSuiteResult: TestSuiteResult): void {
+  console.log(JSON.stringify(testSuiteResult));
+}
+
+global.$$RunTests$$ = () => {
+  executeTests();
+};
+
+export function registerTest(setUpTest: () => void) {
+  runWithGuard(() => {
+    setUpTest();
+  });
+}
@@ -32,7 +32,7 @@ if (process.env.FBSOURCE_ENV === '1') {
  require('@fb-tools/babel-register');
 } else {
  // Register Babel to allow local packages to be loaded from source
-  require('../scripts/babel-register').registerForMonorepo();
+  require('../scripts/build/babel-register').registerForMonorepo();
 }

 const transformer = require('@react-native/metro-babel-transformer');
@@ -8,7 +8,6 @@
    "android": "cd packages/rn-tester && npm run android",
    "build-android": "./gradlew :packages:react-native:ReactAndroid:build",
    "build": "node ./scripts/build/build.js",
-    "build-types": "node ./scripts/build/build-types.js",
    "clang-format": "clang-format -i --glob=*/**/*.{h,cpp,m,mm}",
    "clean": "node ./scripts/build/clean.js",
    "flow-check": "flow check",
@@ -16,12 +15,12 @@
    "format-check": "prettier --list-different \"./**/*.{js,md,yml,ts,tsx}\"",
    "format": "npm run prettier && npm run clang-format",
    "featureflags": "cd packages/react-native && yarn featureflags",
-    "lint-ci": "./.github/workflow-scripts/analyze_code.sh && yarn shellcheck",
+    "lint-ci": "./scripts/circleci/analyze_code.sh && yarn shellcheck",
    "lint-java": "node ./scripts/lint-java.js",
    "lint": "eslint .",
    "prettier": "prettier --write \"./**/*.{js,md,yml,ts,tsx}\"",
    "print-packages": "node ./scripts/monorepo/print",
-    "shellcheck": "./.github/workflow-scripts/analyze_scripts.sh",
+    "shellcheck": "./scripts/circleci/analyze_scripts.sh",
    "start": "cd packages/rn-tester && npm run start",
    "set-version": "node ./scripts/releases/set-version.js",
    "test-android": "./gradlew :packages:react-native:ReactAndroid:test",
@@ -32,7 +31,6 @@
    "test-typescript-offline": "dtslint --localTs node_modules/typescript/lib  packages/react-native/types",
    "test-typescript": "dtslint packages/react-native/types",
    "test": "jest",
-    "fantom": "JS_DIR='..' yarn jest --config packages/react-native-fantom/config/jest.config.js",
    "trigger-react-native-release": "node ./scripts/releases-local/trigger-react-native-release.js",
    "update-lock": "npx yarn-deduplicate"
  },
@@ -49,11 +47,11 @@
    "@babel/preset-env": "^7.25.3",
    "@babel/preset-flow": "^7.24.7",
    "@definitelytyped/dtslint": "^0.0.127",
-    "@jest/create-cache-key-function": "^29.7.0",
-    "@react-native/metro-babel-transformer": "0.79.0-main",
-    "@react-native/metro-config": "0.79.0-main",
+    "@jest/create-cache-key-function": "^29.6.3",
+    "@react-native/metro-babel-transformer": "0.77.0-main",
+    "@react-native/metro-config": "0.77.0-main",
    "@tsconfig/node18": "1.0.1",
-    "@types/react": "^19.0.0",
+    "@types/react": "^18.2.6",
    "@typescript-eslint/parser": "^7.1.1",
    "ansi-styles": "^4.2.1",
    "babel-plugin-minify-dead-code-elimination": "^0.5.2",
@@ -63,7 +61,6 @@
    "chalk": "^4.0.0",
    "clang-format": "^1.8.0",
    "connect": "^3.6.5",
-    "debug": "^2.2.0",
    "deep-equal": "1.1.1",
    "eslint": "^8.57.0",
    "eslint-config-prettier": "^8.5.0",
@@ -73,21 +70,21 @@
    "eslint-plugin-jest": "^27.9.0",
    "eslint-plugin-jsx-a11y": "^6.6.0",
    "eslint-plugin-lint": "^1.0.0",
+    "eslint-plugin-prettier": "^4.2.1",
    "eslint-plugin-react": "^7.30.1",
    "eslint-plugin-react-hooks": "^4.6.0",
    "eslint-plugin-react-native": "^4.0.0",
    "eslint-plugin-redundant-undefined": "^0.4.0",
    "eslint-plugin-relay": "^1.8.3",
    "flow-api-translator": "0.25.1",
-    "flow-bin": "^0.260.0",
+    "flow-bin": "^0.255.0",
    "glob": "^7.1.1",
    "hermes-eslint": "0.25.1",
    "hermes-transform": "0.25.1",
    "inquirer": "^7.1.0",
-    "jest": "^29.7.0",
+    "jest": "^29.6.3",
    "jest-diff": "^29.7.0",
    "jest-junit": "^10.0.0",
-    "jest-snapshot": "^29.7.0",
    "jscodeshift": "^0.14.0",
    "metro-babel-register": "^0.81.0",
    "metro-memory-fs": "^0.81.0",
@@ -97,17 +94,16 @@
    "nullthrows": "^1.1.1",
    "prettier": "2.8.8",
    "prettier-plugin-hermes-parser": "0.25.1",
-    "react": "19.0.0",
-    "react-test-renderer": "19.0.0",
+    "react": "18.3.1",
+    "react-test-renderer": "18.3.1",
    "rimraf": "^3.0.2",
    "shelljs": "^0.8.5",
    "signedsource": "^1.0.0",
    "supports-color": "^7.1.0",
-    "tinybench": "^3.1.0",
    "typescript": "5.0.4",
    "ws": "^6.2.3"
  },
  "resolutions": {
-    "react-is": "19.0.0"
+    "react-is": "18.3.1"
  }
 }
@@ -1,6 +1,6 @@
 {
  "name": "@react-native/assets-registry",
-  "version": "0.79.0-main",
+  "version": "0.77.0-main",
  "description": "Asset support code for React Native.",
  "license": "MIT",
  "repository": {
@@ -4,13 +4,13 @@
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
- * @flow strict
 * @format
+ * @flow strict
 */

 'use strict';

-/*:: import type {PackagerAsset} from './registry.js'; */
+import type {PackagerAsset} from './registry.js';

 const androidScaleSuffix = {
  '0.75': 'ldpi',
@@ -27,7 +27,7 @@ const ANDROID_BASE_DENSITY = 160;
 * FIXME: using number to represent discrete scale numbers is fragile in essence because of
 * floating point numbers imprecision.
 */
-function getAndroidAssetSuffix(scale /*: number */) /*: string */ {
+function getAndroidAssetSuffix(scale: number): string {
  if (scale.toString() in androidScaleSuffix) {
    // $FlowFixMe[invalid-computed-prop]
    return androidScaleSuffix[scale.toString()];
@@ -53,9 +53,9 @@ const drawableFileTypes = new Set([
 ]);

 function getAndroidResourceFolderName(
-  asset /*: PackagerAsset */,
-  scale /*: number */,
-) /*: string */ {
+  asset: PackagerAsset,
+  scale: number,
+): string {
  if (!drawableFileTypes.has(asset.type)) {
    return 'raw';
  }
@@ -73,9 +73,7 @@ function getAndroidResourceFolderName(
  return 'drawable-' + suffix;
 }

-function getAndroidResourceIdentifier(
-  asset /*: PackagerAsset */,
-) /*: string */ {
+function getAndroidResourceIdentifier(asset: PackagerAsset): string {
  return (getBasePath(asset) + '/' + asset.name)
    .toLowerCase()
    .replace(/\//g, '_') // Encode folder structure in file name
@@ -83,7 +81,7 @@ function getAndroidResourceIdentifier(
    .replace(/^(?:assets|assetsunstable_path)_/, ''); // Remove "assets_" or "assetsunstable_path_" prefix
 }

-function getBasePath(asset /*: PackagerAsset */) /*: string */ {
+function getBasePath(asset: PackagerAsset): string {
  const basePath = asset.httpServerLocation;
  return basePath.startsWith('/') ? basePath.slice(1) : basePath;
 }
@@ -10,7 +10,6 @@

 'use strict';

-/*::
 export type AssetDestPathResolver = 'android' | 'generic';

 export type PackagerAsset = {
@@ -26,17 +25,16 @@ export type PackagerAsset = {
  +resolver?: AssetDestPathResolver,
  ...
 };
-*/

-const assets /*: Array<PackagerAsset> */ = [];
+const assets: Array<PackagerAsset> = [];

-function registerAsset(asset /*: PackagerAsset */) /*: number */ {
+function registerAsset(asset: PackagerAsset): number {
  // `push` returns new array length, so the first asset will
  // get id 1 (not 0) to make the value truthy
  return assets.push(asset);
 }

-function getAssetByID(assetId /*: number */) /*: PackagerAsset */ {
+function getAssetByID(assetId: number): PackagerAsset {
  return assets[assetId - 1];
 }

@@ -1,6 +1,6 @@
 {
  "name": "@react-native/babel-plugin-codegen",
-  "version": "0.79.0-main",
+  "version": "0.77.0-main",
  "description": "Babel plugin to generate native module and view manager code for React Native.",
  "license": "MIT",
  "repository": {
@@ -26,7 +26,7 @@
  ],
  "dependencies": {
    "@babel/traverse": "^7.25.3",
-    "@react-native/codegen": "0.79.0-main"
+    "@react-native/codegen": "0.77.0-main"
  },
  "devDependencies": {
    "@babel/core": "^7.25.2"
@@ -1,6 +1,6 @@
 {
  "name": "@react-native/community-cli-plugin",
-  "version": "0.79.0-main",
+  "version": "0.77.0-main",
  "description": "Core CLI commands for React Native",
  "keywords": [
    "react-native",
@@ -22,8 +22,8 @@
    "dist"
  ],
  "dependencies": {
-    "@react-native/dev-middleware": "0.79.0-main",
-    "@react-native/metro-babel-transformer": "0.79.0-main",
+    "@react-native/dev-middleware": "0.77.0-main",
+    "@react-native/metro-babel-transformer": "0.77.0-main",
    "chalk": "^4.0.0",
    "debug": "^2.2.0",
    "invariant": "^2.2.4",
@@ -54,11 +54,8 @@ export default class OpenDebuggerKeyboardHandler {
        'Failed to open debugger for %s (%s): %s',
        target.title,
        target.description,
-        'Network error',
+        e.message,
      );
-      if (e.cause != null) {
-        this.#log('error', 'Cause: %s', e.cause);
-      }
      this.#clearTerminalMenu();
    }
  }
@@ -9,7 +9,7 @@
 * @oncall react_native
 */

-import type {Server} from 'connect';
+import type {NextHandleFunction, Server} from 'connect';
 import type {TerminalReportableEvent} from 'metro/src/lib/TerminalReporter';

 const debug = require('debug')('ReactNative:CommunityCliPlugin');
@@ -30,6 +30,10 @@ type MiddlewareReturn = {
  ...
 };

+const noopNextHandle: NextHandleFunction = (req, res, next) => {
+  next();
+};
+
 // $FlowFixMe
 const unusedStubWSServer: ws$WebSocketServer = {};
 // $FlowFixMe
@@ -41,12 +45,6 @@ const communityMiddlewareFallback = {
    port: number,
    watchFolders: $ReadOnlyArray<string>,
  }): MiddlewareReturn => ({
-    // FIXME: Several features will break without community middleware and
-    // should be migrated into core.
-    // e.g. used by Libraries/Core/Devtools:
-    // - /open-stack-frame
-    // - /open-url
-    // - /symbolicate
    middleware: unusedMiddlewareStub,
    websocketEndpoints: {},
    messageSocketEndpoint: {
@@ -61,12 +59,15 @@ const communityMiddlewareFallback = {
      reportEvent: (event: TerminalReportableEvent) => {},
    },
  }),
+  indexPageMiddleware: noopNextHandle,
 };

 // Attempt to use the community middleware if it exists, but fallback to
 // the stubs if it doesn't.
 try {
  const community = require('@react-native-community/cli-server-api');
+  communityMiddlewareFallback.indexPageMiddleware =
+    community.indexPageMiddleware;
  communityMiddlewareFallback.createDevServerMiddleware =
    community.createDevServerMiddleware;
 } catch {
@@ -76,3 +77,5 @@ Starting the server without the community middleware.`);

 export const createDevServerMiddleware =
  communityMiddlewareFallback.createDevServerMiddleware;
+export const indexPageMiddleware =
+  communityMiddlewareFallback.indexPageMiddleware;
@@ -19,7 +19,7 @@ import isDevServerRunning from '../../utils/isDevServerRunning';
 import loadMetroConfig from '../../utils/loadMetroConfig';
 import * as version from '../../utils/version';
 import attachKeyHandlers from './attachKeyHandlers';
-import {createDevServerMiddleware} from './middleware';
+import {createDevServerMiddleware, indexPageMiddleware} from './middleware';
 import {createDevMiddleware} from '@react-native/dev-middleware';
 import chalk from 'chalk';
 import Metro from 'metro';
@@ -146,7 +146,11 @@ async function runServer(
    secure: args.https,
    secureCert: args.cert,
    secureKey: args.key,
-    unstable_extraMiddleware: [communityMiddleware, middleware],
+    unstable_extraMiddleware: [
+      communityMiddleware,
+      indexPageMiddleware,
+      middleware,
+    ],
    websocketEndpoints: {
      ...communityWebsocketEndpoints,
      ...websocketEndpoints,
@@ -14,7 +14,7 @@ export type * from './index.flow';
 */

 if (!process.env.BUILD_EXCLUDE_BABEL_REGISTER) {
-  require('../../../scripts/babel-register').registerForMonorepo();
+  require('../../../scripts/build/babel-register').registerForMonorepo();
 }

 module.exports = require('./index.flow');
@@ -1,6 +1,6 @@
 {
  "name": "@react-native/core-cli-utils",
-  "version": "0.79.0-main",
+  "version": "0.77.0-main",
  "description": "React Native CLI library for Frameworks to build on",
  "license": "MIT",
  "main": "./src/index.flow.js",
@@ -14,7 +14,7 @@ export type * from './index.flow';
 */

 if (process.env.BUILD_EXCLUDE_BABEL_REGISTER == null) {
-  require('../../../scripts/babel-register').registerForMonorepo();
+  require('../../../scripts/build/babel-register').registerForMonorepo();
 }

 module.exports = require('./index.flow');
@@ -71,14 +71,7 @@ function checkPodfileInSyncWithManifest(

 const FIRST = 1,
  SECOND = 2,
-  THIRD = 3,
-  FOURTH = 4,
-  FIFTH = 5;
-
-function getNodePackagePath(packageName: string): string {
-  // $FlowIgnore[prop-missing] type definition is incomplete
-  return require.resolve(packageName, {cwd: [process.cwd(), ...module.paths]});
-}
+  THIRD = 3;

 /* eslint sort-keys: "off" */
 export const tasks = {
@@ -86,51 +79,26 @@ export const tasks = {
  bootstrap: (
    options: AppleBootstrapOption,
  ): {
-    cleanupBuildFolder: Task<void>,
-    runCodegen: Task<void>,
    validate: Task<void>,
    installRubyGems: Task<ExecaPromise>,
    installDependencies: Task<ExecaPromise>,
  } => ({
-    cleanupBuildFolder: task(FIRST, 'Cleanup build folder', () => {
-      execa.sync('rm', ['-rf', 'build'], {
-        cwd: options.cwd,
-      });
-    }),
-    runCodegen: task(SECOND, 'Run codegen', () => {
-      const reactNativePath = path.dirname(getNodePackagePath('react-native'));
-      const codegenScript = path.join(
-        reactNativePath,
-        'scripts',
-        'generate-codegen-artifacts.js',
-      );
-      execa.sync('node', [
-        codegenScript,
-        '-p',
-        process.cwd(),
-        '-o',
-        options.cwd,
-        '-t',
-        'ios',
-      ]);
-    }),
-    validate: task(THIRD, 'Check Cocoapods and bundle are available', () => {
+    validate: task(FIRST, 'Check Cocoapods and bundle are available', () => {
      assertDependencies(
        isOnPath('pod', 'CocoaPods'),
        isOnPath('bundle', "Bundler to manage Ruby's gems"),
      );
    }),
-    installRubyGems: task(FOURTH, 'Install Ruby Gems', () =>
+    installRubyGems: task(SECOND, 'Install Ruby Gems', () =>
      execa('bundle', ['install'], {
        cwd: options.cwd,
      }),
    ),
-    installDependencies: task(FIFTH, 'Install CocoaPods dependencies', () => {
+    installDependencies: task(THIRD, 'Install CocoaPods dependencies', () => {
      const env = {
        RCT_NEW_ARCH_ENABLED: options.newArchitecture ? '1' : '0',
        USE_FRAMEWORKS: options.frameworks,
        USE_HERMES: options.hermes ? '1' : '0',
-        RCT_IGNORE_PODS_DEPRECATION: '1',
      };
      if (options.frameworks == null) {
        delete env.USE_FRAMEWORKS;
@@ -14,7 +14,7 @@ export type * from './version.flow';
 */

 if (process.env.BUILD_EXCLUDE_BABEL_REGISTER == null) {
-  require('../../../../scripts/babel-register').registerForMonorepo();
+  require('../../../../scripts/build/babel-register').registerForMonorepo();
 }

 module.exports = require('./version.flow');
@@ -1,5 +1,5 @@
-@generated SignedSource<<b51c1f03d2e1bf82b4b2829c06a3672a>>
-Git revision: 3adf51aa915c2deb26f5d373751a15b4d0c8f259
+@generated SignedSource<<cecad43da3fd917e15322ee3efbed875>>
+Git revision: 486803f6bf272e0629297265dee8048a2f1269dd
 Built with --nohooks: false
 Is local checkout: false
 Remote URL: https://github.com/facebookexperimental/rn-chrome-devtools-frontend
@@ -99,7 +99,6 @@ style.setProperty('--image-file-database', 'url(\"' + new URL(new URL('database.
 style.setProperty('--image-file-deployed', 'url(\"' + new URL(new URL('deployed.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-device-fold', 'url(\"' + new URL(new URL('device-fold.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-devices', 'url(\"' + new URL(new URL('devices.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-devtools', 'url(\"' + new URL(new URL('devtools.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-dock-bottom', 'url(\"' + new URL(new URL('dock-bottom.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-dock-left', 'url(\"' + new URL(new URL('dock-left.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-dock-right', 'url(\"' + new URL(new URL('dock-right.svg', import.meta.url).href, import.meta.url).toString() + '\")');
@@ -152,7 +151,6 @@ style.setProperty('--image-file-help', 'url(\"' + new URL(new URL('help.svg', im
 style.setProperty('--image-file-iframe-crossed', 'url(\"' + new URL(new URL('iframe-crossed.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-iframe', 'url(\"' + new URL(new URL('iframe.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-import', 'url(\"' + new URL(new URL('import.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-indeterminate-question-box', 'url(\"' + new URL(new URL('indeterminate-question-box.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-info-filled', 'url(\"' + new URL(new URL('info-filled.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-info', 'url(\"' + new URL(new URL('info.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-issue-cross-filled', 'url(\"' + new URL(new URL('issue-cross-filled.svg', import.meta.url).href, import.meta.url).toString() + '\")');
@@ -169,9 +167,7 @@ style.setProperty('--image-file-justify-items-center', 'url(\"' + new URL(new UR
 style.setProperty('--image-file-justify-items-end', 'url(\"' + new URL(new URL('justify-items-end.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-justify-items-start', 'url(\"' + new URL(new URL('justify-items-start.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-justify-items-stretch', 'url(\"' + new URL(new URL('justify-items-stretch.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-keyboard-arrow-right', 'url(\"' + new URL(new URL('keyboard-arrow-right.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-keyboard-pen', 'url(\"' + new URL(new URL('keyboard-pen.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-keyboard', 'url(\"' + new URL(new URL('keyboard.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-large-arrow-right-filled', 'url(\"' + new URL(new URL('large-arrow-right-filled.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-layers-filled', 'url(\"' + new URL(new URL('layers-filled.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-layers', 'url(\"' + new URL(new URL('layers.svg', import.meta.url).href, import.meta.url).toString() + '\")');
@@ -180,9 +176,6 @@ style.setProperty('--image-file-left-panel-open', 'url(\"' + new URL(new URL('le
 style.setProperty('--image-file-lightbulb-spark', 'url(\"' + new URL(new URL('lightbulb-spark.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-lighthouse_logo', 'url(\"' + new URL(new URL('lighthouse_logo.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-list', 'url(\"' + new URL(new URL('list.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-location-on', 'url(\"' + new URL(new URL('location-on.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-lock', 'url(\"' + new URL(new URL('lock.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-match-case', 'url(\"' + new URL(new URL('match-case.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-match-whole-word', 'url(\"' + new URL(new URL('match-whole-word.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-memory', 'url(\"' + new URL(new URL('memory.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-minus', 'url(\"' + new URL(new URL('minus.svg', import.meta.url).href, import.meta.url).toString() + '\")');
@@ -202,10 +195,8 @@ style.setProperty('--image-file-record-start', 'url(\"' + new URL(new URL('recor
 style.setProperty('--image-file-record-stop', 'url(\"' + new URL(new URL('record-stop.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-redo', 'url(\"' + new URL(new URL('redo.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-refresh', 'url(\"' + new URL(new URL('refresh.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-regular-expression', 'url(\"' + new URL(new URL('regular-expression.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-replace', 'url(\"' + new URL(new URL('replace.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-replay', 'url(\"' + new URL(new URL('replay.svg', import.meta.url).href, import.meta.url).toString() + '\")');
-style.setProperty('--image-file-report', 'url(\"' + new URL(new URL('report.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-resizeDiagonal', 'url(\"' + new URL(new URL('resizeDiagonal.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-resizeHorizontal', 'url(\"' + new URL(new URL('resizeHorizontal.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-resizeVertical', 'url(\"' + new URL(new URL('resizeVertical.svg', import.meta.url).href, import.meta.url).toString() + '\")');
@@ -216,6 +207,7 @@ style.setProperty('--image-file-right-panel-open', 'url(\"' + new URL(new URL('r
 style.setProperty('--image-file-scissors', 'url(\"' + new URL(new URL('scissors.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-screen-rotation', 'url(\"' + new URL(new URL('screen-rotation.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-search', 'url(\"' + new URL(new URL('search.svg', import.meta.url).href, import.meta.url).toString() + '\")');
+style.setProperty('--image-file-securityIcons', 'url(\"' + new URL(new URL('securityIcons.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-select-element', 'url(\"' + new URL(new URL('select-element.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-send', 'url(\"' + new URL(new URL('send.svg', import.meta.url).href, import.meta.url).toString() + '\")');
 style.setProperty('--image-file-shadow', 'url(\"' + new URL(new URL('shadow.svg', import.meta.url).href, import.meta.url).toString() + '\")');
@@ -1 +0,0 @@
-<svg width="20" height="21" fill="none" xmlns="http://www.w3.org/2000/svg"><mask id="a" style="mask-type:alpha" maskUnits="userSpaceOnUse" x="0" y="0" width="20" height="21"><circle cx="10" cy="10.167" r="10" fill="#C4C4C4"/></mask><g mask="url(#a)"><circle cx="10" cy="10.167" r="10" fill="#1A73E8"/><path d="M10 18.061a7.894 7.894 0 1 0 0-15.789 7.894 7.894 0 0 0 0 15.79Z" stroke="#fff" stroke-width="1.042"/><path d="M9.966 13.643a3.613 3.613 0 1 0 0-7.226 3.613 3.613 0 0 0 0 7.226ZM13.114 11.795l-3.505 6.069M6.833 11.824l-3.504-6.07M10.003 6.417h7.009" stroke="#fff" stroke-width=".833"/></g></svg>
@@ -1 +0,0 @@
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@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="20" viewBox="0 -960 960 960" width="20"><path d="M522-480 333-669l51-51 240 240-240 240-51-51 189-189Z"/></svg>
@@ -1 +0,0 @@
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@@ -1 +0,0 @@
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@@ -1 +0,0 @@
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@@ -1 +1 @@
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+<svg width="20" height="20" fill="none" xmlns="http://www.w3.org/2000/svg"><path fill="#000" d="M10 18.332c-1.61 0-2.984-.566-4.125-1.707-1.14-1.14-1.707-2.516-1.707-4.125v-5c0-1.61.566-2.984 1.707-4.125C7.015 2.235 8.391 1.668 10 1.668c1.61 0 2.984.566 4.125 1.707 1.14 1.14 1.707 2.516 1.707 4.125v5c0 1.61-.566 2.984-1.707 4.125-1.14 1.14-2.516 1.707-4.125 1.707ZM10.832 7.5h3.336c0-1-.316-1.883-.95-2.645-.632-.765-1.425-1.246-2.386-1.437Zm-5 0h3.336V3.418c-.961.191-1.754.672-2.387 1.437A4.019 4.019 0 0 0 5.832 7.5ZM10 16.668c1.152 0 2.137-.406 2.95-1.219.812-.812 1.218-1.797 1.218-2.949V9.168H5.832V12.5c0 1.152.406 2.137 1.219 2.95.812.812 1.797 1.218 2.949 1.218Zm0-7.5Zm.832-1.668Zm-1.664 0ZM10 9.168Zm0 0"/></svg>
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@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24" fill="#041E49"><path d="M480-280q17 0 28.5-11.5T520-320q0-17-11.5-28.5T480-360q-17 0-28.5 11.5T440-320q0 17 11.5 28.5T480-280Zm-40-160h80v-240h-80v240ZM330-120 120-330v-300l210-210h300l210 210v300L630-120H330Zm34-80h232l164-164v-232L596-760H364L200-596v232l164 164Zm116-280Z"/></svg>
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="80" height="32"><g style="fill:none;stroke:none"><path d="M2 3.732A1.73 1.73 0 0 1 3.726 2h9.548C14.227 2 15 2.769 15 3.732v8.536A1.73 1.73 0 0 1 13.274 14H3.726A1.725 1.725 0 0 1 2 12.268V3.732zM8 6h1V5H8v1zm0 5h1V7H8v4z" transform="translate(48 16)" style="fill:#000"/><path d="M64 32V16h16v16z"/><path d="M67.719 18c-.952 0-1.719.762-1.719 1.719v8.562c0 .963.765 1.719 1.719 1.719h9.562c.952 0 1.719-.762 1.719-1.719V19.72c0-.963-.765-1.719-1.719-1.719H67.72zm4.781 2a2 2 0 0 1 2 2c0 .44-.184.84-.469 1.125l-.437.469c-.36.365-.594.656-.594 1.406h-1v-.25a2 2 0 0 1 .594-1.406l.625-.625A.998.998 0 0 0 73.5 22c0-.55-.45-1-1-1s-1 .45-1 1h-1a2 2 0 0 1 2-2zm-.5 6h1v1h-1v-1z" style="fill:#000"/><g transform="translate(0 16)"><path style="opacity:.2" d="M0 0h16v16H0z"/><rect style="fill:#000" rx="1" height="8" width="8" y="4" x="4"/></g><g transform="translate(16 16)"><path style="opacity:.2" d="M0 0h16v16H0z"/><rect style="fill:#000" rx="4" height="8" width="8" y="4" x="4"/></g><path style="opacity:.2" d="M0 0h16v16H0z" transform="translate(32 16)"/><path style="fill:#000" d="m3 12 5-9 5 9z" transform="translate(32 16)"/><path style="opacity:.2" d="M0 0h16v16H0z" transform="translate(32)"/><path style="fill:#000" d="M.5 14h15L8 1 .5 14zM9 12H7v-2h2v2zm0-3H7V6h2v3z" transform="translate(32)"/><path d="M32 0v16H16V0z"/><path style="fill:#000" d="M8 1C4.136 1 1 4.136 1 8s3.136 7 7 7 7-3.136 7-7-3.136-7-7-7zM2.5 8c0-3.032 2.468-5.5 5.5-5.5s5.5 2.468 5.5 5.5-2.468 5.5-5.5 5.5A5.507 5.507 0 0 1 2.5 8zM9 12V7H7v5h2zM7 6h2V4H7v2z" transform="translate(16)"/><path d="M16 0v16H0V0z"/><path style="fill:#000" d="M10.5 6.5v-1A2.5 2.5 0 0 0 8 3c-1.38.01-2.5 1.12-2.5 2.5v1H5c-.55 0-1 .45-1 .996V12.5c0 .55.45 1 1 1h6c.55 0 1-.45 1-1v-5c0-.528-.45-1-1-1h-.5zm-4 .01V5.5C6.5 4.67 7.17 4 8 4s1.5.67 1.5 1.5v1.01h-3z"/><path d="M160-32V0h-32v-32z"/><path style="opacity:.2" d="M0 0h32v32H0z" transform="translate(0 -32)"/><path style="opacity:.2" d="M0 0h32v32H0z" transform="translate(32 -32)"/><path style="opacity:.2" d="M0 0h32v32H0z" transform="translate(64 -32)"/><path style="opacity:.2" d="M0 0h32v32H0z" transform="translate(64 -64)"/><path d="M64-64v32H32v-32zM32-64v32H0v-32z"/></g></svg>
@@ -942,7 +942,7 @@

    function step1() {
      testPreset(
-          MobileThrottling.networkPresets[3],
+          MobileThrottling.networkPresets[2],
          [
            'offline event: online = false', 'connection change event: type = none; downlinkMax = 0; effectiveType = 4g'
          ],
@@ -951,7 +951,7 @@

    function step2() {
      testPreset(
-          MobileThrottling.networkPresets[2],
+          MobileThrottling.networkPresets[1],
          [
            'online event: online = true',
            'connection change event: type = cellular; downlinkMax = 0.3814697265625; effectiveType = 2g'
@@ -960,15 +960,9 @@
    }

    function step3() {
-      testPreset(
-          MobileThrottling.networkPresets[1],
-          ['connection change event: type = cellular; downlinkMax = 1.373291015625; effectiveType = 3g'], step4);
-    }
-
-    function step4() {
      testPreset(
          MobileThrottling.networkPresets[0],
-          ['connection change event: type = cellular; downlinkMax = 7.724761962890625; effectiveType = 4g'],
+          ['connection change event: type = cellular; downlinkMax = 1.373291015625; effectiveType = 3g'],
          test.releaseControl.bind(test));
    }
  };
--- a/Show More
+++ b/Show More
				`@@ -1 +0,0 @@`
				<svg width="20" height="21" fill="none" xmlns="http://www.w3.org/2000/svg"><mask id="a" style="mask-type:alpha" maskUnits="userSpaceOnUse" x="0" y="0" width="20" height="21"><circle cx="10" cy="10.167" r="10" fill="#C4C4C4"/></mask><g mask="url(#a)"><circle cx="10" cy="10.167" r="10" fill="#1A73E8"/><path d="M10 18.061a7.894 7.894 0 1 0 0-15.789 7.894 7.894 0 0 0 0 15.79Z" stroke="#fff" stroke-width="1.042"/><path d="M9.966 13.643a3.613 3.613 0 1 0 0-7.226 3.613 3.613 0 0 0 0 7.226ZM13.114 11.795l-3.505 6.069M6.833 11.824l-3.504-6.07M10.003 6.417h7.009" stroke="#fff" stroke-width=".833"/></g></svg>
				`@@ -1 +0,0 @@`
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				`@@ -1 +0,0 @@`
				`<svg xmlns="http://www.w3.org/2000/svg" height="20" viewBox="0 -960 960 960" width="20"><path d="M522-480 333-669l51-51 240 240-240 240-51-51 189-189Z"/></svg>`
				`@@ -0,0 +1 @@`
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