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ci: run the macOS jobs on macos-15 - #38

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mahdi-shafiei merged 1 commit into
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ci/macos-15
Oct 31, 2026
Merged

mahdi-shafiei merged 1 commit into
mainfrom
ci/macos-15

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@mahdi-shafiei mahdi-shafiei commented Oct 31, 2026 •

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Summary

 .github/workflows/build-verification.yml | 4 ++--
 CHANGELOG.md                             | 3 +++

GitHub retires the macos-14 image on 2026-11-02 (actions/runner-images#13518), as substrax #75, artifex #53 and mahdi-shafiei/seismifex#8 already handled.

Evidence

  • Before: the brownouts already cancel macos-14 jobs with "This job failed because of a scheduled macOS 14 runner image brownout" (seismifex CI run 41219492123 on 2026-10-31). On main, 1 workflow line named macos-14.
  • After: no workflow names macos-14. The tests that read the workflows (tests/test_ci_concurrency.py tests/test_ci_coverage.py tests/test_ci_shards.py) pass, and every pre-commit hook passes on the changed files.

Merge Danger

Door: two-way

Blast Radius: CI only

No source or test change. macos-15 has the same Apple Silicon arm64 architecture as macos-14.

GitHub retires the macos-14 image on 2026-11-02, and its scheduled brownouts
already cancel jobs that ask for it ("This job failed because of a scheduled
macOS 14 runner image brownout"). The macOS matrix in build-verification.yml moves to
macos-15, the CHANGELOG records it under Unreleased, and the comment above each matrix names the macOS
runners without a version.
@mahdi-shafiei
mahdi-shafiei marked this pull request as ready for review October 31, 2026 17:17
@mahdi-shafiei
mahdi-shafiei merged commit 16f9254 into main Oct 31, 2026
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@mahdi-shafiei
mahdi-shafiei deleted the ci/macos-15 branch October 31, 2026 17:18
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