GitHub Actions: macOS 12 for GitHub-hosted runners is now generally available

The macOS 12 Actions runner image is now generally available. Start using GitHub Actions to build and publish apps for the Apple ecosystem with the latest version of Xcode by updating your jobs to include runs-on: macos-12

jobs:
  build:
    runs-on: macos-12
     steps:
      - uses: actions/checkout@v2
      - name: Build
        run: swift build
      - name: Run tests
        run: swift test

jobs:
  build:
    runs-on: macos-12
     steps:
      - uses: actions/checkout@v2
      - name: Build
        run: swift build
      - name: Run tests
        run: swift test

The macOS 12 Actions runner image has different tools and tool versions than macOS 11. See the full list of changed software.

If you spot any issues with your workflows when using the image, please let us know by creating an issue in the virtual-environments repository.