build(deps): update dependency ruff to v0.15.20

[serious-scaffold]

Note: This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Change	Age	Confidence
ruff (source, changelog)	0.12.3 -> 0.15.20

---

Release Notes

astral-sh/ruff (ruff)

v0.15.20

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Released on 2026-06-25.

Preview features

• Allow human-readable names in rule selectors (#​25887)
• Emit a warning instead of an error for unknown rule selectors (#​26113)
• Match noqa shebang handling in ruff:ignore comments (#​26286)
• [ruff] Remove pytest-fixture-autouse (RUF076) (#​26240, #​26371)

Documentation

• Add versioning sections to custom crate READMEs (#​26317)
• Update ruff_python_parser README for crates.io (#​26315)
• [perflint] Clarify that PERF402 applies to any iterable (#​26242)

Contributors

• @​dhruvmanila
• @​MichaReiser
• @​ntBre
• @​trilamsr

v0.15.19

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Released on 2026-06-23.

Preview features

• Support human-readable names when hovering suppression comments and in code actions (#​26114)

Bug fixes

• Fall back to default settings when editor-only settings are invalid (#​26244)
• Fix panic when inserting text at a notebook cell boundary (#​26111)

Rule changes

• [pylint] Update fix suggestions for __floor__, __trunc__, __length_hint__, and __matmul__ variants (PLC2801) (#​26239)

Performance

• Avoid allocating when parsing single string literals (#​26200)
• Avoid reallocating singleton call arguments (#​26223)
• Lazily create source files for lint diagnostics (#​26226)
• Optimize formatter text width and indentation (#​26236)
• Reserve capacity for builtin bindings (#​26229)
• Skip repeated-key checks for singleton dictionaries (#​26228)
• Use ArrayVec for qualified name segments (#​26224)

Documentation

• [flake8-pyi] Note that PYI051 is an opinionated stylistic rule (#​26179)
• [pyupgrade] Clarify UP029 as a Python 2 compatibility rule (#​26243)

Other changes

• Publish Ruff crates to crates.io (#​26271)

Contributors

• @​MakenRosa
• @​MichaReiser
• @​trilamsr
• @​ntBre
• @​sanjibani
• @​charliermarsh

v0.15.18

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Released on 2026-06-18.

Preview features

• Handle nested ruff:ignore comments (#​25791)
• Stop displaying severity in output (#​26050)
• Use human-readable names in CLI output (#​25937)
• Use human-readable names in LSP and playground diagnostics (#​26058)
• [pydocstyle] Prevent property docstrings starting with verbs (D421) (#​23775)
• [flake8-pyi] Extend PYI033 to Python files (#​26129)

Bug fixes

• Detect equivalent numeric mapping keys (#​26009)
• Detect mapping keys equivalent to booleans (#​25982)
• Detect repeated signed and complex dictionary keys (#​26007)

Rule changes

• [flake8-pyi] Rename PYI033 to legacy-type-comment (#​26131)

Performance

• Use ThinVec for call keywords (#​25999)
• Inline parser recovery context checks (#​26038)
• Match parser keywords as bytes (#​26037)
• Move value parsing out of lexing (#​25360)

Server

• Render subdiagnostics and secondary annotations as related information (#​26011)

Documentation

• Update fix availability for always-fixable rules (#​26091)
• [flake8-tidy-imports] Add fix safety section (TID252) (#​17491)

Parser

• Reject __debug__ lambda parameters (#​26022)
• Reject _ as a match-pattern target (#​25977)
• Reject multiple starred names in sequence patterns (#​25976)
• Reject parenthesized star imports (#​26021)
• Reject starred comprehension targets (#​26023)
• Reject unparenthesized generator expressions in class bases (#​25978)
• Reject yield expressions after commas (#​26024)
• Validate function type parameter default order (#​25981)

Playground

• Make diagnostic links clickable (#​26104)
• Use diagnostic tags (#​26105)

Contributors

• @​AlexWaygood
• @​ntBre
• @​gtkacz
• @​MichaReiser
• @​charliermarsh
• @​Kalmaegi

v0.15.17

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Released on 2026-06-11.

Preview features

• Allow human-readable names in suppression comments (#​25614)
• Fix handling of ignore comments within a disable/enable pair (#​25845)
• Prioritize human-readable names in CLI output (#​25869)
• Respect diagnostic start and parent ranges and trailing comments in ruff:ignore suppressions (#​25673)
• [flake8-async] Add trio.as_safe_channel to safe decorators (ASYNC119) (#​25775)
• [flake8-pytest-style] Also check pytest_asyncio fixtures (#​25375)
• [ruff] Ban pytest autouse fixtures (RUF076) (#​25477)
• [pyupgrade] Add from __future__ import annotations automatically (UP007, UP045) (#​23259)

Bug fixes

• Fix diagnostic when ruff:enable or ruff:disable appears where ruff:ignore is expected (#​25700)
• [pyupgrade] Preserve leading empty literals to avoid syntax errors (UP032) (#​25491)

Rule changes

• [flake8-pytest-style] Clarify diagnostic message for single parameters (PT007) (#​25592)
• [numpy] Drop autofix for np.in1d (NPY201) (#​25612)
• [pylint] Exempt Python version comparisons (PLR2004) (#​25743)

Performance

• Reserve AST Vecs with correct capacity for common cases (#​25451)

Formatter

• Preserve whitespace for Quarto cell option comments (#​25641)

CLI

• Allow rule names in ruff rule (#​25640)

Other changes

• Fix playground diagnostics scrollbars (#​25642)

Contributors

• @​SuryanshSS1011
• @​anishgirianish
• @​romero-deshaw
• @​karlhillx
• @​carljm
• @​ntBre
• @​11happy
• @​Kilo59
• @​oconnor663
• @​LeonidasZhak
• @​DavisVaughan
• @​MeGaGiGaGon
• @​jonathandung
• @​MichaReiser
• @​brianmego

v0.15.16

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Released on 2026-06-04.

Preview features

• [flake8-async] Implement yield-in-context-manager-in-async-generator (ASYNC119) (#​24644)
• [pylint] Narrow diagnostic range and exclude cases without exception handlers (PLW0717) (#​25440)
• [ruff] Treat yield before break from a terminal loop as terminal (RUF075) (#​25447)

Bug fixes

• [eradicate] Avoid flagging ruff:ignore comments as code (ERA001) (#​25537)
• [eradicate] Fix ERA001/RUF100 conflict when noqa is on commented-out code (#​25414)
• [pyflakes] Avoid removing the format call when it would change behavior (F523) (#​25320)
• [pylint] Avoid syntax errors in invalid character replacements in f-strings before Python 3.12 (PLE2510, PLE2512, PLE2513, PLE2514, PLE2515) (#​25544)
• [pyupgrade] Avoid converting format calls with more kinds of side effects (UP032) (#​25484)

Rule changes

• [flake8-pytest-style] Avoid fixes for ambiguous argnames and argvalues combinations (PT006) (#​24776)

Performance

• Drop excess capacity from statement suites during parsing (#​25368)

Documentation

• [pydocstyle] Improve discoverability of rules enabled for each convention (#​24973)
• [ruff] Restore example code for Python versions before 3.15 (RUF017) (#​25439)
• Fix typo bin/active → bin/activate in tutorial (#​25473)

Other changes

• Shrink additional parser AST collections (#​25465)

Contributors

• @​Redslayer112
• @​koriyoshi2041
• @​George-Ogden
• @​TejasAmle
• @​anishgirianish
• @​ntBre
• @​MichaReiser
• @​loganrosen
• @​RafaelJohn9
• @​adityasingh2400

v0.15.15

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Released on 2026-05-28.

Preview features

• Fix Markdown closing fence handling (#​25310)
• [pyflakes] Report duplicate imports in typing.TYPE_CHECKING block (F811) (#​22560)

Bug fixes

• [pyflakes] Treat function-scope bare annotations as locals per PEP 526 (F821) (#​21540)

Performance

• Avoid redundant TokenValue drops in the lexer (#​25300)
• Reduce memory usage by dropping token-excess capacity and improve performance by approximating the initial tokens Vec size (#​25354)
• Use ThinVec in AST to shrink Stmt (#​25361)

Documentation

• Fix line-length example for --config option (#​25389)
• [flake8-comprehensions] Document RecursionError edge case in __len__ (C416) (#​25286)
• [mccabe] Improve example (C901) (#​25287)
• [pyupgrade] Clarify fix safety docs (UP007, UP045) (#​25288)
• [refurb] Document FURB192 exception change for empty sequences (#​25317)
• [ruff] Document false negative for user-defined types (RUF013) (#​25289)

Formatter

• Fix formatting of lambdas nested within f-strings (#​25398)

Server

• Return code action for codeAction/resolve requests that contain no or no valid URL (#​25365)

Other changes

• Expand semantic syntax errors for invalid walruses (#​25415)

Contributors

• @​chirizxc
• @​ntBre
• @​adityasingh2400
• @​charliermarsh
• @​fallintoplace
• @​martin-schlossarek
• @​MichaReiser
• @​Ruchir28

v0.15.14

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Released on 2026-05-21.

Preview features

• [airflow] Implement airflow-task-implicit-multiple-outputs (AIR202) (#​25152)
• [flake8-use-pathlib] Mark PTH101 fix as unsafe when first argument is a class attribute annotated as int (#​25086)
• [pylint] Implement too-many-try-statements (W0717) (#​23970)
• [ruff] Add incorrect-decorator-order (RUF074) (#​23461)
• [ruff] Add fallible-context-manager (RUF075) (#​22844)

Bug fixes

• Fix lambda formatting in interpolated string expressions (#​25144)
• Treat generic frozenset annotations as immutable (#​25251)
• [flake8-type-checking] Avoid strict behavior when future-annotations are enabled (TC001, TC002, TC003) (#​25035)
• [pylint] Avoid false positives in else clause (PLR1733) (#​25177)

Rule changes

• [flake8-comprehensions] Skip C417 for lambdas with positional-only parameters (#​25272)
• [flake8-simplify] Preserve f-string source verbatim in SIM101 fix (#​25061)

Performance

• Avoid unnecessary parser lookahead for operators (#​25290)

Documentation

• Update code example setting Neovim LSP log level (#​25284)

Other changes

• Add full PEP 798 support (#​25104)
• Add a parser recursion limit (#​24810)
• Update various ruff_python_stdlib APIs (#​25273)

Contributors

• @​ocaballeror
• @​lerebear
• @​samuelcolvin
• @​baltasarblanco
• @​aconal-com
• @​anishgirianish
• @​JelleZijlstra
• @​AlexWaygood
• @​ntBre
• @​adityasingh2400
• @​charliermarsh
• @​Dev-iL
• @​neutrinoceros
• @​shivamtiwari3
• @​Dev-X25874

v0.15.13

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Released on 2026-05-14.

Preview features

• Add a rule to flag lazy imports that are eagerly evaluated (#​25016)
• [pylint] Standardize diagnostic message (PLR0914, PLR0917) (#​24996)

Bug fixes

• Fix F811 false positive for class methods (#​24933)
• Fix setting selection for multi-folder workspace (#​24819)
• [eradicate] Fix false positive for lines with leading whitespace (ERA001) (#​25122)
• [flake8-pyi] Fix false positive for f-string debug specifier (PYI016) (#​24098)

Rule changes

• Always include panic payload in panic diagnostic message (#​24873)
• Restrict PYI034 for in-place operations to enclosing class (#​24511)
• Improve error message for parameters that are declared global (#​24902)
• Update known stdlib (#​25103)

Performance

• [isort] Avoid constructing glob::Patterns for literal known modules (#​25123)

CLI

• Add TOML examples to --config help text (#​25013)
• Colorize ruff check 'All checks passed' (#​25085)

Configuration

• Increase max allowed value of line-length setting (#​24962)

Documentation

• Add D203 to rules that conflict with the formatter (#​25044)
• Clarify COM819 and formatter interaction (#​25045)
• Clarify that NotImplemented is a value, not an exception (F901) (#​25054)
• Update number of lint rules supported (#​24942)

Other changes

• Simplify the playground's markdown template (#​24924)

Contributors

• @​MichaReiser
• @​brian-c11
• @​Andrej730
• @​denyszhak
• @​darestack
• @​sharkdp
• @​charliermarsh
• @​EkriirkE
• @​eyupcanakman
• @​Hrk84ya
• @​thernstig
• @​ntBre

v0.15.12

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Released on 2026-04-24.

Preview features

• Implement #ruff:file-ignore file-level suppressions (#​23599)
• Implement #ruff:ignore logical-line suppressions (#​23404)
• Revert preview changes to displayed diagnostic severity in LSP (#​24789)
• [airflow] Implement task-branch-as-short-circuit (AIR004) (#​23579)
• [flake8-bugbear] Fix break/continue handling in loop-iterator-mutation (B909) (#​24440)
• [pylint] Fix PLC2701 for type parameter scopes (#​24576)

Rule changes

• [pandas-vet] Suggest .array as well in PD011 (#​24805)

CLI

• Respect default Unix permissions for cache files (#​24794)

Documentation

• [pylint] Fix PLR0124 description not to claim self-comparison always returns the same value (#​24749)
• [pyupgrade] Expand docs on reusable TypeVars and scoping (UP046) (#​24153)
• Improve rules table accessibility (#​24711)

Contributors

• @​dylwil3
• @​AlexWaygood
• @​woodruffw
• @​avasis-ai
• @​Dev-iL
• @​denyszhak
• @​ShipItAndPray
• @​anishgirianish
• @​augustelalande
• @​amyreese
• @​majiayu000

v0.15.11

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Released on 2026-04-16.

Preview features

• [ruff] Ignore RUF029 when function is decorated with asynccontextmanager (#​24642)
• [airflow] Implement airflow-xcom-pull-in-template-string (AIR201) (#​23583)
• [flake8-bandit] Fix S103 false positives and negatives in mask analysis (#​24424)

Bug fixes

• [flake8-async] Omit overridden methods for ASYNC109 (#​24648)

Documentation

• [flake8-async] Add override mention to ASYNC109 docs (#​24666)
• Update Neovim config examples to use vim.lsp.config (#​24577)

Contributors

• @​augustelalande
• @​anishgirianish
• @​benberryallwood
• @​charliermarsh
• @​Dev-iL

v0.15.10

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Released on 2026-04-09.

Preview features

• [flake8-logging] Allow closures in except handlers (LOG004) (#​24464)
• [flake8-self] Make SLF diagnostics robust to non-self-named variables (#​24281)
• [flake8-simplify] Make the fix for collapsible-if safe in preview (SIM102) (#​24371)

Bug fixes

• Avoid emitting multi-line f-string elements before Python 3.12 (#​24377)
• Avoid syntax error from E502 fixes in f-strings and t-strings (#​24410)
• Strip form feeds from indent passed to dedent_to (#​24381)
• [pyupgrade] Fix panic caused by handling of octals (UP012) (#​24390)
• Reject multi-line f-string elements before Python 3.12 (#​24355)

Rule changes

• [ruff] Treat f-string interpolation as potential side effect (RUF019) (#​24426)

Server

• Add support for custom file extensions (#​24463)

Documentation

• Document adding fixes in CONTRIBUTING.md (#​24393)
• Fix JSON typo in settings example (#​24517)

Contributors

• @​charliermarsh
• @​dylwil3
• @​silverstein
• @​anishgirianish
• @​shizukushq
• @​zanieb
• @​AlexWaygood

v0.15.9

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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

v0.15.8

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Released on 2026-03-26.

Preview features

• [ruff] New rule unnecessary-if (RUF050) (#​24114)
• [ruff] New rule useless-finally (RUF072) (#​24165)
• [ruff] New rule f-string-percent-format (RUF073): warn when using % operator on an f-string (#​24162)
• [pyflakes] Recognize frozendict as a builtin for Python 3.15+ (#​24100)

Bug fixes

• [flake8-async] Use fully-qualified anyio.lowlevel import in autofix (ASYNC115) (#​24166)
• [flake8-bandit] Check tuple arguments for partial paths in S607 (#​24080)
• [pyflakes] Skip undefined-name (F821) for conditionally deleted variables (#​24088)
• E501/W505/formatter: Exclude nested pragma comments from line width calculation (#​24071)
• Fix %foo? parsing in IPython assignment expressions (#​24152)
• analyze graph: resolve string imports that reference attributes, not just modules (#​24058)

Rule changes

• [eradicate] ignore ty: ignore comments in ERA001 (#​24192)
• [flake8-bandit] Treat sys.executable as trusted input in S603 (#​24106)
• [flake8-self] Recognize Self annotation and self assignment in SLF001 (#​24144)
• [pyflakes] F507: Fix false negative for non-tuple RHS in %-formatting (#​24142)
• [refurb] Parenthesize generator arguments in FURB142 fixer (#​24200)

Performance

• Speed up diagnostic rendering (#​24146)

Server

• Warn when Markdown files are skipped due to preview being disabled (#​24150)

Documentation

• Clarify extend-ignore and extend-select settings documentation (#​24064)
• Mention AI policy in PR template (#​24198)

Other changes

• Use trusted publishing for NPM packages (#​24171)

Contributors

• @​bitloi
• @​Sim-hu
• @​mvanhorn
• @​chinar-amrutkar
• @​markjm
• @​RenzoMXD
• @​vivekkhimani
• @​seroperson
• @​moktamd
• @​charliermarsh
• @​ntBre
• @​zanieb
• @​dylwil3
• @​MichaReiser

v0.15.7

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Released on 2026-03-19.

Preview features

• Display output severity in preview (#​23845)
• Don't show noqa hover for non-Python documents (#​24040)

Rule changes

• [pycodestyle] Recognize pyrefly: as a pragma comment (E501) (#​24019)

Server

• Don't return code actions for non-Python documents (#​23905)

Documentation

• Add company AI policy to contributing guide (#​24021)
• Document editor features for Markdown code formatting (#​23924)
• [pylint] Improve phrasing (PLC0208) (#​24033)

Other changes

• Use PEP 639 license information (#​19661)

Contributors

• @​tmimmanuel
• @​DimitriPapadopoulos
• @​amyreese
• @​statxc
• @​dylwil3
• @​hunterhogan
• @​renovate

v0.15.6

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Released on 2026-03-12.

Preview features

• Add support for lazy import parsing (#​23755)
• Add support for star-unpacking of comprehensions (PEP 798) (#​23788)
• Reject semantic syntax errors for lazy imports (#​23757)
• Drop a few rules from the preview default set (#​23879)
• [airflow] Flag Variable.get() calls outside of task execution context (AIR003) (#​23584)
• [airflow] Flag runtime-varying values in DAG/task constructor arguments (AIR304) (#​23631)
• [flake8-bugbear] Implement delattr-with-constant (B043) (#​23737)
• [flake8-tidy-imports] Add TID254 to enforce lazy imports (#​23777)
• [flake8-tidy-imports] Allow users to ban lazy imports with TID254 (#​23847)
• [isort] Retain lazy keyword when sorting imports (#​23762)
• [pyupgrade] Add from __future__ import annotations automatically (UP006) (#​23260)
• [refurb] Support newline parameter in FURB101 for Python 3.13+ (#​23754)
• [ruff] Add os-path-commonprefix (RUF071) (#​23814)
• [ruff] Add unsafe fix for os-path-commonprefix (RUF071) (#​23852)
• [ruff] Limit RUF036 to typing contexts; make it unsafe for non-typing-only (#​23765)
• [ruff] Use starred unpacking for RUF017 in Python 3.15+ (#​23789)

Bug fixes

• Fix --add-noqa creating unwanted leading whitespace (#​23773)
• Fix --add-noqa breaking shebangs (#​23577)
• [formatter] Fix lambda body formatting for multiline calls and subscripts (#​23866)
• [formatter] Preserve required annotation parentheses in annotated assignments (#​23865)
• [formatter] Preserve type-expression parentheses in the formatter (#​23867)
• [flake8-annotations] Fix stack overflow in ANN401 on quoted annotations with escape sequences (#​23912)
• [pep8-naming] Check naming conventions in match pattern bindings (N806, N815, N816) (#​23899)
• [perflint] Fix comment duplication in fixes (PERF401, PERF403) (#​23729)
• [pyupgrade] Properly trigger super change in nested class (UP008) (#​22677)
• [ruff] Avoid syntax errors in RUF036 fixes (#​23764)

Rule changes

• [flake8-bandit] Flag S501 with requests.request (#​23873)
• [flake8-executable] Fix WSL detection in non-Docker containers (#​22879)
• [flake8-print] Ignore pprint calls with stream= (#​23787)

Documentation

• Update docs for Markdown code block formatting (#​23871)
• [flake8-bugbear] Fix misleading description for B904 (#​23731)

Contributors

• @​zsol
• @​carljm
• @​ntBre
• @​Bortlesboat
• @​sososonia-cyber
• @​chirizxc
• @​leandrobbraga
• @​11happy
• @​Acelogic
• @​anishgirianish
• @​amyreese
• @​xvchris
• @​charliermarsh
• @​getehen
• @​Dev-iL

v0.15.5

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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

v0.15.4

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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)

Documentation

• Clarify first-party import detection in Ruff (#​23591)
• Fix incorrect import-heading example (#​23568)

Contributors

• @​stakeswky
• @​ntBre
• @​thejcannon
• @​GeObts

v0.15.3

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Released on 2026-02-26.

Preview features

• Drop explicit support for .qmd file extension (#​23572)

  This can now be enabled instead by setting the extension option:

  # ruff.toml
  extension = { qmd = "markdown" }
  
  # pyproject.toml
  [tool.ruff]
  extension = { qmd = "markdown" }

• Include configured extensions in file discovery (#​23400)

• [flake8-bandit] Allow suspicious imports in TYPE_CHECKING blocks (S401-S415) (#​23441)

• [flake8-bugbear] Allow B901 in pytest hook wrappers (#​21931)

• [flake8-import-conventions] Add missing conventions from upstream (ICN001, ICN002) (#​21373)

• [pydocstyle] Add rule to enforce docstring section ordering (D420) (#​23537)

• [pylint] Implement swap-with-temporary-variable (PLR1712) (#​22205)

• [ruff] Add unnecessary-assign-before-yield (RUF070) (#​23300)

• [ruff] Support file-level noqa in RUF102 (#​23535)

• [ruff] Suppress diagnostic for invalid f-strings before Python 3.12 (RUF027) (#​23480)

• [flake8-bandit] Don't flag BaseLoader/CBaseLoader as unsafe (S506) (#​23510)

Bug fixes

• Avoid infinite loop between I002 and PYI025 (#​23352)
• [pyflakes] Fix false positive for @overload from lint.typing-modules (F811) (#​23357)
• [pyupgrade] Fix false positive for TypeVar default before Python 3.12 (UP046) (#​23540)
• [pyupgrade] Fix handling of \N in raw strings (UP032) (#​22149)

Rule changes

• Render sub-diagnostics in the GitHub output format (#​23455)

• [flake8-bugbear] Tag certain B007 diagnostics as unnecessary (#​23453)

• [ruff] Ignore unknown rule codes in RUF100 (#​23531)

  These are now flagged by RUF102 instead.

Documentation

• Fix missing settings links for several linters (#​23519)
• Update isort action comments heading (#​23515)
• [pydocstyle] Fix double comma in description of D404 (#​23440)

Other changes

• Update the Python module (notably find_ruff_bin) for parity with uv (#​23406)

Contributors

• @​zanieb
• @​o1x3
• @​assadyousuf
• @​kar-ganap
• @​denyszhak
• @​amyreese
• @​carljm
• @​anishgirianish
• @​Bnyro
• @​danparizher
• @​ntBre
• @​gcomneno
• @​jaap3
• @​stakeswky

v0.15.2

Compare Source

Released on 2026-06-25.

Preview features

• Allow human-readable names in rule selectors (#​25887)
• Emit a warning instead of an error for unknown rule selectors (#​26113)
• Match noqa shebang handling in ruff:ignore comments (#​26286)
• [ruff] Remove pytest-fixture-autouse (RUF076) (#​26240, #​26371)

Documentation

• Add versioning sections to custom crate READMEs (#​26317)
• Update ruff_python_parser README for crates.io (#​26315)
• [perflint] Clarify that PERF402 applies to any iterable (#​26242)

Contributors

• @​dhruvmanila
• @​MichaReiser
• @​ntBre
• @​trilamsr

v0.15.1

Compare Source

Released on 2026-06-23.

Preview features

• Support human-readable names when hovering suppression comments and in code actions (#​26114)

Bug fixes

• Fall back to default settings when editor-only settings are invalid (#​26244)
• Fix panic when inserting text at a notebook cell boundary (#​26111)

Rule changes

• [pylint] Update fix suggestions for __floor__, __trunc__, `__leng