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Ruff 0.17.2 download

An extremely fast Python linter, written in Rust.

Astral Languages & SDKs #42 Languages & SDKs
This is the current version. · Released:

Installer files 0.17.2

ArchitectureTypeScopeFile sizeDownloadSHA256
64-bit ZIP → Portable — — github.com VirusTotal
ARM64 ZIP → Portable — — github.com VirusTotal
32-bit ZIP → Portable — — github.com VirusTotal

Link and SHA256 come from the Windows Package Manager community manifest. Compare the hash of the downloaded file before running it.

Release notes

Released on 2026-10-22.

Preview features
- [complexity] Add `unnecessary-regular-expression-compile` (#25533)

Bug fixes
- Avoid syntax errors for type variables with starred constraints (UP040, UP046, UP047, RUF053) (#28362)
- [pydocstyle] Treat backslash-escaped `*args` and `**kwargs` as documented (D417) (#29536)
- [pylint] Avoid false positive on starred elements (PLE0643) (#29483)
- [pylint] Mark fixes unsafe when deleting comments (PLR5501, PLW0120) (#29414)
- [pyupgrade] Mark fix unsafe when deleting comments (UP035) (#29413)

Performance
- Avoid intermediate names in lint name resolution (#29506)
- Prefilter bidirectional Unicode checks by UTF-8 leading bytes (#29561)
- Share postfix parsing and reduce expression copies (#29480)

Configuration
- [pylint] Add a configurable allowlist for `magic-value-comparison` (PLR2004) (#18961)

Documentation
- Clarify documentation and correct stale guidance (#29374)
- [pyupgrade] Remove mentions of variance related to fix safety (UP040, UP047) (#29592)

https://github.com/astral-sh/ruff/releases/tag/0.17.2

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