Bump ruff from 0.9.7 to 0.15.5

[dependabot]

Bumps ruff from 0.9.7 to 0.15.5.

Release notes

Sourced from ruff's releases.

0.15.5

Release Notes

Released on 2026-03-05.

Preview features

• Discover Markdown files by default in preview mode (#23434)
• [perflint] Extend PERF102 to comprehensions and generators (#23473)
• [refurb] Fix FURB101 and FURB103 false positives when I/O variable is used later (#23542)
• [ruff] Add fix for none-not-at-end-of-union (RUF036) (#22829)
• [ruff] Fix false positive for re.split with empty string pattern (RUF055) (#23634)

Bug fixes

• [fastapi] Handle callable class dependencies with __call__ method (FAST003) (#23553)
• [pydocstyle] Fix numpy section ordering (D420) (#23685)
• [pyflakes] Fix false positive for names shadowing re-exports (F811) (#23356)
• [pyupgrade] Avoid inserting redundant None elements in UP045 (#23459)

Documentation

• Document extension mapping for Markdown code formatting (#23574)
• Update default Python version examples (#23605)

Other changes

• Publish releases to Astral mirror (#23616)

Contributors

• @​amyreese
• @​stakeswky
• @​chirizxc
• @​anishgirianish
• @​bxff
• @​zsol
• @​charliermarsh
• @​ntBre
• @​kar-ganap

Install ruff 0.15.5

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/astral-sh/ruff/releases/download/0.15.5/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

... (truncated)

Changelog

Sourced from ruff's changelog.

0.15.5

Released on 2026-03-05.

Preview features

• Discover Markdown files by default in preview mode (#23434)
• [perflint] Extend PERF102 to comprehensions and generators (#23473)
• [refurb] Fix FURB101 and FURB103 false positives when I/O variable is used later (#23542)
• [ruff] Add fix for none-not-at-end-of-union (RUF036) (#22829)
• [ruff] Fix false positive for re.split with empty string pattern (RUF055) (#23634)

Bug fixes

• [fastapi] Handle callable class dependencies with __call__ method (FAST003) (#23553)
• [pydocstyle] Fix numpy section ordering (D420) (#23685)
• [pyflakes] Fix false positive for names shadowing re-exports (F811) (#23356)
• [pyupgrade] Avoid inserting redundant None elements in UP045 (#23459)

Documentation

• Document extension mapping for Markdown code formatting (#23574)
• Update default Python version examples (#23605)

Other changes

• Publish releases to Astral mirror (#23616)

Contributors

• @​amyreese
• @​stakeswky
• @​chirizxc
• @​anishgirianish
• @​bxff
• @​zsol
• @​charliermarsh
• @​ntBre
• @​kar-ganap

0.15.4

Released on 2026-02-26.

This is a follow-up release to 0.15.3 that resolves a panic when the new rule PLR1712 was enabled with any rule that analyzes definitions, such as many of the ANN or D rules.

Bug fixes

• Fix panic on access to definitions after analyzing definitions (#23588)
• [pyflakes] Suppress false positive in F821 for names used before del in stub files (#23550)

... (truncated)

Commits

• 5e4a3d9 Bump 0.15.5 (#23743)
• 69c23cc [ty] Render all changed diagnostics in conformance.py (#23613)
• 4926bd5 [ty] Split deferred checks out of types/infer/builder.rs (#23740)
• 9a70f5e Discover markdown files by default in preview mode (#23434)
• 3dc78b0 [ty] Use HasOptionalDefinition for except handlers (#23739)
• a6a5e8d [ty] Fix precedence of all selector in TOML configurations (#23723)
• 2a5384b [ty] Make all selector case sensitive (#23713)
• db77d7b [ty] Add a diagnostic if a TypeVar is used to specialize a ParamSpec, or ...
• db28490 [ty] Override home directory in ty tests (#23724)
• 5f0fd91 [ty] More type-variable default validation (#23639)
• Additional commits viewable in compare view

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[JiwaniZakir]

Bumping ruff from 0.9.7 to 0.15.5 in pyproject.toml is a significant version jump that likely includes new or changed lint rules. Between these versions, ruff introduced several rule changes and deprecations that could silently affect CI behavior — worth verifying that the existing ruff configuration (e.g., [tool.ruff] settings, select/ignore rule lists in pyproject.toml) is still valid against 0.15.5, since some rule codes were renamed or removed. It would also be worth confirming that pre-commit hooks referencing ruff have been tested locally, as a version mismatch between what pre-commit fetches and what's in the dev dependency group can lead to inconsistent lint results across environments. If there's a ruff.toml or inline [tool.ruff.lint] config, running ruff check --show-settings against the new version would surface any config keys that are no longer recognized.