This PR contains the following updates:

Package	Type	Update	Change	Age	Confidence
astral-sh/ruff-pre-commit	repository	patch	v0.15.8 → v0.15.9
ruff (source, changelog)	dependency-groups	patch	==0.15.8 → ==0.15.9

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Release Notes

astral-sh/ruff-pre-commit (astral-sh/ruff-pre-commit)

v0.15.9

Compare Source

See: https://github.com/astral-sh/ruff/releases/tag/0.15.9

astral-sh/ruff (ruff)

v0.15.9

Compare Source

Released on 2026-04-02.

Preview features

• [pyflakes] Flag annotated variable redeclarations as F811 in preview mode (#​24244)
• [ruff] Allow dunder-named assignments in non-strict mode for RUF067 (#​24089)

Bug fixes

• [flake8-errmsg] Avoid shadowing existing msg in fix for EM101 (#​24363)
• [flake8-simplify] Ignore pre-initialization references in SIM113 (#​24235)
• [pycodestyle] Fix W391 fixes for consecutive empty notebook cells (#​24236)
• [pyupgrade] Fix UP008 nested class matching (#​24273)
• [pyupgrade] Ignore strings with string-only escapes (UP012) (#​16058)
• [ruff] RUF072: skip formfeeds on dedent (#​24308)
• [ruff] Avoid re-using symbol in RUF024 fix (#​24316)
• [ruff] Parenthesize expression in RUF050 fix (#​24234)
• Disallow starred expressions as values of starred expressions (#​24280)

Rule changes

• [flake8-simplify] Suppress SIM105 for except* before Python 3.12 (#​23869)
• [pyflakes] Extend F507 to flag %-format strings with zero placeholders (#​24215)
• [pyupgrade] UP018 should detect more unnecessarily wrapped literals (UP018) (#​24093)
• [pyupgrade] Fix UP008 callable scope handling to support lambdas (#​24274)
• [ruff] RUF010: Mark fix as unsafe when it deletes a comment (#​24270)

Formatter

• Add nested-string-quote-style formatting option (#​24312)

Documentation

• [flake8-bugbear] Clarify RUF071 fix safety for non-path string comparisons (#​24149)
• [flake8-type-checking] Clarify import cycle wording for TC001/TC002/TC003 (#​24322)

Other changes

• Avoid rendering fix lines with trailing whitespace after | (#​24343)

Contributors

• @​charliermarsh
• @​MichaReiser
• @​tranhoangtu-it
• @​dylwil3
• @​zsol
• @​renovate
• @​bitloi
• @​danparizher
• @​chinar-amrutkar
• @​second-ed
• @​getehen
• @​Redovo1
• @​matthewlloyd
• @​zanieb
• @​InSyncWithFoo
• @​RenzoMXD

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