Coding Tools
CodeQL drops macOS 27 and Swift 6.4 support
GitHub Changeloghigh confidence
Why it matters
- →CodeQL traced extraction fails on macOS 27/Xcode 27 due to missing Intel binaries.
- →Swift 6.4 is unsupported across all platforms until a fix is released.
- →Developers must pin CI runners or switch build modes to maintain security scanning.
GitHub has announced that CodeQL will no longer support traced scans on macOS 27 and Xcode 27 due to Apple removing Intel (x86_64) code from system binaries. Consequently, traced extraction is unavailable for C/C++, C#, Go, Java, Kotlin, and Swift on these versions, and Swift 6.4 is unsupported across all platforms. Users are advised to pin GitHub Actions runners to macOS 26 or earlier, or switch to build mode none for affected languages. Additionally, support for Intel-based Macs will be deprecated in mid-December 2026.
Read originalThe story around this
Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.
How we got here
- 1llama.cpp b10059 Release Expands Platform Support
llama.cpp Releases · July 21, 2026 · Background
- 2llama.cpp b11020 adds DeepSeek V3.2/V4 parser support
llama.cpp Releases · September 18, 2026 · Background
- 3GitHub Deprecates All-Platform CodeQL Bundle
GitHub Changelog · September 22, 2026 · Related
- 4CodeQL 2.27.2 updates analysis and breaks macOS 27 support
GitHub Changelog · October 9, 2026 · Same story
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