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THRIFT-6430: Update macOS CI runners for macOS 14 retirement - #4019
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Replace macos-14 in the shared compiler and Python runner matrix with xcode-27, retaining macos-15-intel, macos-15, and macos-26 coverage. Co-Authored-By: OpenAI Codex (gpt-6.1-sol) <codex@openai.com>
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🔵 Needs a closer look
The replacement runner’s availability and compatibility remain insufficiently verified.
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What changed in this PR
Updates the shared macOS CI matrix ahead of macOS 14 runner retirement.
Changes:
- Replaces
macos-14withxcode-27for compiler builds and Python tests. - Retains existing macOS 15 Intel, macOS 15, and macOS 26 coverage.
| File | Description |
|---|---|
.github/workflows/build.yml |
Updates the shared macOS runner matrix. |
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fishy
approved these changes
Oct 16, 2026
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GitHub is retiring macOS 14 runners on November 2, 2026, with scheduled brownouts before removal. Replace
macos-14withxcode-27in the shared matrix used by compiler builds and Python library tests, adding macOS 27 coverage while retainingmacos-15-intel,macos-15, andmacos-26.