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GitHub Actions: Ubuntu 22.04 is now generally available on GitHub-hosted runners

Ubuntu 22.04 is now generally available on GitHub-hosted runners. To use it now, simply add runs-on: ubuntu-22.04 in your workflow file. Otherwise, our recommendation is to use ubuntu-latest, which currently utilizes Ubuntu 20.04 but will begin running on Ubuntu 22.04 in the near future. This will ensure your workflows are always using a recent OS and removes the need to constantly update workflow files with image versions.

jobs:
  build:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-dotnet@v1
      - name: Build
        run: dotnet build
      - name: Run tests
        run: dotnet test

The Ubuntu 22.04 runner image has different tools and tool versions than Ubuntu 20.04.

Read more on available runner images and beta images terms of use in our documentation.

GitHub Actions: The Ubuntu 18.04 Actions runner image is being deprecated and will be removed by 12/1/22

The Ubuntu 18.04 Actions runner image started our deprecation process on 8/8/22 and will be fully unsupported by 12/1/22. To raise awareness of the upcoming removal, jobs using Ubuntu 18.04 will temporarily fail during scheduled time periods defined below:

  • October 3, 12:00 UTC – October 3, 14:00 UTC
  • October 18, 14:00 UTC – October 18, 16:00 UTC
  • November 15, 18:00 UTC – November 15, 20:00 UTC
  • November 30, 20:00 UTC – November 30, 22:00 UTC
  • December 15, 20:00 UTC – December 16 00:00 UTC
  • January 5, 10.00 UTC – January 5, 14.00 UTC
  • January 13, 12.00 UTC – January 13, 16.00 UTC
  • January 18, 14.00 UTC – January 18, 18.00 UTC
  • January 24, 16.00 UTC – January 24, 20.00 UTC
  • February 7, 16.00 UTC – February 7, 22.00 UTC
  • February 21, 10.00 UTC – February 21, 22.00 UTC
  • March 6, 00.00 UTC – March 7, 00.00 UTC
  • March 13, 00.00 UTC – March 14, 00.00 UTC
  • March 21, 00.00 UTC – March 22, 00.00 UTC
  • March 28, 00.00 UTC – March 29, 00.00 UTC

What you need to do

Workflows using the ubuntu-18.04 YAML workflow label should be updated to ubuntu-20.04, ubuntu-22.04, or ubuntu-latest. You can always get up-to-date information on our tools by reading about the software in GitHub Actions virtual environments. Please contact GitHub Support.

*update: we extended the deprecation schedule until April 2023 with updated dates for brownouts.

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GitHub Actions: Self-hosted runners now support Apple M1 hardware

Actions runner support for Apple silicon hardware, such as the M1 chip, is now generally available. This provides teams with the capability to run self-hosted macOS workflows in a macOS ARM64 runtime. Now the Actions runner supports M1 and the ARM64 runtime meaning developers can run it on their own M1 or M2 hardware.

Based on initial testing, there are currently two issues to be aware of:

  • macOS ARM64 does not support node12. Therefore, the runner will automatically use node16 to execute any javascript Action written for node12.
  • All actions provided by GitHub are compatible with the runner except for a known issue with setup-python. The fix for that can be tracked here.

For additional information on how to set up a self-hosted macOS ARM64 runner, please refer to our documentation. If you have any feedback or questions for Actions self-hosted Apple silicon support, you can submit an issue in the runner repository.

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