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astral-automations-bot[bot]andBrent Westbrook ba65abf8ba Bump version to 0.17.3 (#29745 )

Co-authored-by: astral-automations-bot[bot] <305554984+astral-automations-bot[bot]@users.noreply.github.com>
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>

2026-10-26 20:14:27 -04:00

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Changelog

0.17.3

Released on 2026-10-26.

Preview features

[suspicious] Add shared-clock-mock (#29074)

Bug fixes

[pyupgrade] Avoid incorrect conversions to f-strings (UP032) (#25485)

Performance

Buffer stdout in ruff format (#29631)
Specialize ASCII identifier lexing (#29503)
Speed up identifier and keyword lexing (#29463)

Documentation

[flake8-bandit] Describe what the rule actually checks for httpx (S113) (#27936)

Contributors

0.17.2

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)

Contributors

0.17.1

Released on 2026-10-15.

Preview features

[pycodestyle] Don't treat None, True, or False as keywords (E271-E274) (#29322)

Bug fixes

Fix dedent with multiple leading comments (#29382)
[flake8-pyi] Detect legacy positional-only parameters in __new__ methods (PYI063) (#28502)
[flake8-pyi] Fix false positives on quoted annotations (PYI036) (#29274)
[perflint] Avoid invalid comprehension suggestions (PERF401, PERF403) (#29366)

Rule changes

Treat more collections and weakref containers as mutable (#29213)

Documentation

[flake8-import-conventions] Update default and example aliases (#29333)

Contributors

0.17.0

Released on 2026-10-09.

The executables in our macOS and Windows release archives and ruff wheels are now code-signed. macOS executables are signed with an Apple Developer ID certificate and notarized by Apple. Windows executables have timestamped Authenticode signatures from Azure Artifact Signing. This enables verification of the release publisher and binary integrity, supports publisher-based allowlisting, and should reduce security warnings and antivirus false positives.

Breaking changes

Update the default and latest Python versions for 3.15 (#28792)

Ruff now defaults to Python 3.11 instead of 3.10 when no Python version is configured through target-version or requires-python. When checking for syntax errors without a configured Python version, Ruff now defaults to Python 3.15 instead of 3.14.
Update the default rule set (#28786)

Several of the flake8-datetimez rules (DTZ001, DTZ005, DTZ006, DTZ007, DTZ011, DTZ012, and DTZ901) are no longer enabled by default, while undefined-local-with-nested-import-star-usage (F406), which corresponds to a syntax error, is now enabled by default.
Update Rust crate quick-junit to 0.8.0 (#27295)

JUnit output now uses a skipped attribute instead of disabled on <testsuite> elements and includes a skipped attribute on the root <testsuites> element.
[flake8-import-conventions] Add datetime as dt as a conventional alias (ICN001) (#28790)
Support Unicode dummy variable names (#28722)

The default lint.dummy-variable-rgx now recognizes underscore-prefixed Unicode names, such as _次, as dummy variables.
Update to Unicode 17 (#21229, #28784)

Ruff now uses Unicode 17 data for identifier normalization and named character escapes ("\N{...}").
Always show unsafe and display-only fixes in the CLI (#27810)

The default full output format now shows unsafe fixes and suggestions requiring manual review, regardless of the unsafe-fixes setting. Actually applying unsafe fixes still requires explicit opt-in.
Remove the Python dependency from conda-forge builds (conda-forge/ruff-feedstock#361)

The conda-forge build no longer depends on Python, now supports linux-riscv64, win-arm64, and linux-ppc64le platforms, and now includes shell completions. However, no longer depending on Python means that python -m ruff and import ruff will no longer work. Use ruff directly from PATH instead. PyPI installations and those from the standalone installer are unaffected.
Remove support for ruff-lsp (#28750)

Support for ruff-lsp, the legacy Python language server deprecated in Ruff v0.9.5, has been removed. The Ruff VS Code extension now always uses the native language server; ruff.nativeServer is deprecated and ignored. See the migration guide.

Stabilization

The following rules have been stabilized and are no longer in preview:

lazy-import-mismatch (TID254)
lazy-import-immediately-resolved (TID255)
os-path-commonprefix (RUF071)

The following behaviors have been stabilized:

The formatter, unsorted-imports (I001), line-too-long (E501), and doc-line-too-long (W505) now consistently ignore trailing pragma comments when computing line length. This resolved several bugs involving interactions between these rules (#27313) but may also cause existing imports to be reformatted and was thus classified as a breaking change.

Preview features

[flake8-bugbear] Report the method name and a more precise range (B005) (#27050)
[refurb] Mark fix unsafe and move to suspicious (FURB152) (#28405)
[ruff] Allow docstrings in strict mode (RUF067) (#28679)

Bug fixes

[flake8-builtins] Expand checks in class scopes (A001) (#29076)
[flake8-self] Allow private access on object.__new__(cls) instances (SLF001) (#29001)
[flake8-tidy-imports] Skip lazy-import-mismatch in stubs (TID254) (#29095)
[flake8-type-checking] Add the notion of runtime-ambiguous references (#26508)
[flake8-type-checking] Never flag annotations in function scopes (#29183)
[pyflakes] Mark the fix as unsafe when it creates a docstring (F541) (#28258)
[pylint] Preserve trailing comments in useless-return fix (PLR1711) (#29180)
[ruff] Avoid false positive when pytest.raises is used in a with statement (RUF061) (#28186)