Xcode 27 runner image now runs on macOS 27

PreviewSep 10, 2026VerifiedAdded Sep 22, 2026

You can now validate your Apple apps against macOS 27 using the Xcode 27 runner image for GitHub-hosted macOS runners, available in public preview. The image previously ran on macOS 26. How you target the image stays the same.

Observability

Read GitHub's release notes

https://github.blog/changelog/2026-09-10-xcode-27-runner-image-now-runs-on-macos-27

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

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