The **default rule sets** have changed in ruff 0.16, see the new dedicated [Default Rules](https://docs.astral.sh/ruff/default-rules/#default-rules) page. I think `B`, `I`, `UP` rules need not be selected any more if using `extend-select` (or not using `select`): https://github.com/scientific-python/cookie/blob/a930c462a56e16decd5ddde8cb37e2c57b3f5ae5/src/sp_repo_review/checks/ruff.py#L153-L171
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henryiii commentedon Aug 6, 2026
Review of #843 welcome. :)