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Wikis now support math and Mermaid diagrams

Earlier this year, GitHub added support for LaTeX style mathematical expressions and Mermaid diagrams in Markdown. However, until now, GitHub wikis were missing this support. You can now use these formatting features in GitHub wikis.

For more information about using mathematical expressions and Mermaid with GitHub, see creating diagrams and writing mathematical expressions in the GitHub documentation.

The GitHub Advisory Database now includes curated security advisories for vulnerabilities on GitHub Actions. This brings the Advisory Database to ten supported ecosystems, including: Composer, Go, Hex, Maven, npm, NuGet, pip, RubyGems and Rust.

If you have a dependency on any vulnerable GitHub Actions, GitHub will send Dependabot alerts over the coming days.

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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.

    runs-on: ubuntu-22.04
      - 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.

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