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ci: upgrade macos-14 runners to macos-15 - #2080
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elramen
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Oct 5, 2026
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Summary
macos-14GitHub Actions runners (andmacos-14-large/macos-14-xlarge) tomacos-15in.github/macos-15, drop themacos-14entry instead of duplicating itWhy
GitHub is retiring the macOS 14 runner images. Deprecation began July 6, 2026 and the
images are fully unsupported on November 2, 2026, after which jobs using these labels
are terminated with an error.
Before that, GitHub runs brownouts that deliberately fail
macos-14jobs, the firston October 5 (14:00-00:00 UTC), with more through October 30. See
actions/runner-images#13518.
Review notes
macos-15ships different Xcode and simulator versions thanmacos-14. If a job pins anXcode or iOS simulator version, or pinned
macos-14on purpose to get an older one, checkthat it still works on
macos-15.Generated by
macos-15.