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Xcode 26 support? #20669

@coop-gareth

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@coop-gareth

Hi team.

Does CodeQL 2.23.3 support Swift projects built with Xcode 26? Everything I've tried so far has failed with:

CodeQL detected code written in Swift but could not process any of it. For more information, review our troubleshooting guide at https://gh.io/troubleshooting-code-scanning/no-source-code-seen-during-build.

The same command succeeds using Xcode 16 instead of Xcode 26.

Here are the logs from a successful Xcode 16 run and a failed Xcode 26 run:

xcode16 logs.zip
xcode26 logs.zip

Thanks!

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