This is a backport PR for branch 44-x-y
claude[bot]

#54276: ci: do macOS builds with host_cpu set to arm64

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Created: Sep 23, 2026, 6:05:52 PM
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Target: 44-x-y

Requested by David Sanders · Slack thread

Description of Change

Backport of #54226

See that PR for details.

Conflicts resolved: the fix-sync header list keeps this branch's reclient item, drops the typescript-go/hermetic-Python items this branch never had, and is renumbered. "typescript-go" was also dropped from the example lists in the fix-sync and build.yml comments, since this branch has no typescript-go dep. The macos-ubsan-schedule.yml change was dropped because that workflow doesn't exist on 44-x-y. The branch-only "Fix rollup" / "Sync native rollup libs" steps were kept, because rollup_libs is a ${platform}-templated CIPD package that the Linux sync host still resolves to linux-amd64, so it still has to be swapped on the macOS runner (just like esbuild); main's removal of the typescript-go step does not apply to this branch.

Checklist

🤖 Generated with Claude Code

https://claude.ai/code/session_01SQQs2e7fgA11Nh4bpMjPhW

Release Notes

Notes: none


Generated by Claude Code

Backport Information

Original PR Author
dsanders11
Original PR Status
Merged
Original PR Merged At
Sep 23, 2026, 5:31:29 PM
Original PR Link
GitHubView on GitHub

Semver Impact

Major
Breaking changes
Minor
New features
Patch
Bug fixes
None
Docs, tests, etc.

Semantic Versioning helps users understand the impact of updates:

  • Major (X.y.z): Breaking changes that may require code modifications
  • Minor (x.Y.z): New features that maintain backward compatibility
  • Patch (x.y.Z): Bug fixes that don't change the API
  • None: Changes that don't affect using facing parts of Electron