weekly changelog digest

Python changelog digest

Oct 19 - Oct 25, 2026. Useful releases, risky migrations, and noisy updates from the Python channel.

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CodeQL changes for macOS 27, Xcode 27, and Swift 6.4

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CodeQL changes for macOS 27, Xcode 27, and Swift 6.4

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Python updates in 2026-w43

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GitHub·Oct 19, 2026, 10:29 AMChangeMay break your integration

CodeQL changes for macOS 27, Xcode 27, and Swift 6.4

Summary

Apple removed Intel (x86_64) code from system binaries in macOS 27, Xcode 27, and Swift 6.4, breaking CodeQL's build tracing that relied on those binaries.

breaking

Official source