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Pull request overview
Promotes the “latest” Xcode/CLT version mappings on macOS to Xcode 26.3, aligning Homebrew’s guidance (doctor messages, requirement checks, CI expectations) with the newer Xcode release.
Changes:
- Update the latest Xcode version for macOS 26 and 15 to 26.3.
- Update the fallback Xcode version inferred from unknown clang versions to 26.3.
- Update the latest Apple clang build version for macOS 26 and 15 to 1700.6.4.2.
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ZhongRuoyu
approved these changes
Mar 10, 2026
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Will be on our CI once the current maintenance period ends.