Update dependency ruff to v0.15.22

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
ruff (source, changelog)	0.15.12 → 0.15.22

---

Release Notes

astral-sh/ruff (ruff)

v0.15.22

Compare Source

Release Notes

Released on 2026-07-16.

Preview features

• [pycodestyle] Add an autofix for E402 (#​22212)
• [refurb] Allow subclassing builtins in stub files (FURB189) (#​26812)
• [ruff] Add rule to replace noqa comments with ruff:ignore (RUF105) (#​26423)
• [ruff] Add rule to use human-readable names in ruff:ignore comments (RUF106) (#​26682)
• [ruff] Add rule to use human-readable names in configuration selectors (RUF201) (#​26772)

Bug fixes

• [flake8-pyi] Fix false positive in __all__ (PYI053) (#​26872)

Rule changes

• [pylint] Ignore mutable type updates in redefined-loop-name (PLW2901) (#​25733)

Performance

• Avoid redundant lexer token bookkeeping (#​26765)
• Avoid redundant pending-indentation writes (#​26774)
• Avoid unnecessary identifier lookahead (#​26525)
• Reuse parser scratch buffers (#​26798)

Documentation

• Document argfile support (#​26803)
• [flake8-datetimez] Clarify naming guidance for datetime.today (DTZ002) (#​26658)
• [pycodestyle] Document E731 fix safety (#​26847)
• [ruff] Clarify intentional async contexts for unused-async (RUF029) (#​26641)

Contributors

• @​dwego
• @​MichaReiser
• @​Joosboy
• @​KaufmanDmitriy
• @​PeterJCLaw
• @​ntBre
• @​charliermarsh

Install ruff 0.15.22

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://releases.astral.sh/github/ruff/releases/download/0.15.22/ruff-installer.sh | sh

Install prebuilt binaries via powershell script

powershell -ExecutionPolicy Bypass -c "irm https://releases.astral.sh/github/ruff/releases/download/0.15.22/ruff-installer.ps1 | iex"

Download ruff 0.15.22

File	Platform	Checksum
ruff-aarch64-apple-darwin.tar.gz	Apple Silicon macOS	checksum
ruff-x86_64-apple-darwin.tar.gz	Intel macOS	checksum
ruff-aarch64-pc-windows-msvc.zip	ARM64 Windows	checksum
ruff-i686-pc-windows-msvc.zip	x86 Windows	checksum
ruff-x86_64-pc-windows-msvc.zip	x64 Windows	checksum
ruff-aarch64-unknown-linux-gnu.tar.gz	ARM64 Linux	checksum
ruff-i686-unknown-linux-gnu.tar.gz	x86 Linux	checksum
ruff-powerpc64-unknown-linux-gnu.tar.gz	PPC64 Linux	checksum
ruff-powerpc64le-unknown-linux-gnu.tar.gz	PPC64LE Linux	checksum
ruff-riscv64gc-unknown-linux-gnu.tar.gz	RISCV Linux	checksum
ruff-s390x-unknown-linux-gnu.tar.gz	S390x Linux	checksum
ruff-x86_64-unknown-linux-gnu.tar.gz	x64 Linux	checksum
ruff-armv7-unknown-linux-gnueabihf.tar.gz	ARMv7 Linux	checksum
ruff-aarch64-unknown-linux-musl.tar.gz	ARM64 MUSL Linux	checksum
ruff-i686-unknown-linux-musl.tar.gz	x86 MUSL Linux	checksum
ruff-x86_64-unknown-linux-musl.tar.gz	x64 MUSL Linux	checksum
ruff-arm-unknown-linux-musleabihf.tar.gz	ARMv6 MUSL Linux (Hardfloat)	checksum
ruff-armv7-unknown-linux-musleabihf.tar.gz	ARMv7 MUSL Linux	checksum

Verifying GitHub Artifact Attestations

The artifacts in this release have attestations generated with GitHub Artifact Attestations. These can be verified by using the GitHub CLI:

gh attestation verify <file-path of downloaded artifact> --repo astral-sh/ruff

You can also download the attestation from GitHub and verify against that directly:

gh attestation verify <file-path of downloaded artifact> --bundle <file-path of downloaded attestation>

v0.15.21

Compare Source

Released on 2026-07-09.

Preview features

• Add --add-ignore for adding ruff:ignore comments (#​26346)
• [flake8-comprehensions] Drop C409 tuple comprehension preview behavior (#​25707)
• Avoid whitespace normalization when formatting comments (#​26455)
• [pyupgrade] Lint and fix use of deprecated abc decorators (UP051) (#​26417)

Bug fixes

• Refine non-empty f-string detection (#​26526)
• Detect syntax errors in individual notebook cells (#​26419)
• [flake8-implicit-str-concat] Fix ISC003 autofix incorrectly stripping + from comments (#​26554)

Rule changes

• [flake8-executable] Mark EXE004 fix as unsafe (#​26033)
• [flake8-pyi] Mark PYI061 fixes as unsafe in Python files (#​26533)
• [pydocstyle] Skip overload-with-docstring in stub files (D418) (#​26318)

Performance

• Avoid per-token source index visitor calls (#​26506)
• Cache parenthesized expression boundaries in the formatter (#​26344)
• Improve performance of rendering edits in preview mode (#​26565)
• Inline fits_element in formatter (#​26429)
• Inline formatter printing hot paths (#​26504)
• Lazily create builtin bindings (#​26510)
• Skip empty trivia scans in the source indexer (#​26507)
• Use ICF for macOS release builds (#​25780)

Formatter

• Add --extend-exclude to ruff format (#​26372)

Documentation

• Add "How does Ruff's import sorting compare to isort?" link to README (#​26530)
• Fix Mozilla Firefox repository link in README (#​26537)
• [flake8-bandit] Fix misleading docstring for mako-templates (S702) (#​26432)
• [ruff] Fix non-triggering example for if-key-in-dict-del (RUF051) (#​26433)

Contributors

• @​EkriirkE
• @​tingerrr
• @​s-rigaud
• @​nikolauspschuetz
• @​Avasam
• @​ntBre
• @​omar-y-abdi
• @​AlexWaygood
• @​sylvestre
• @​shaanmajid
• @​lerebear
• @​baltasarblanco
• @​Sanjays2402
• @​ZedThree
• @​servusdei2018
• @​charliermarsh
• @​jesco-absolute
• @​velikodniy
• @​zaniebot
• @​epage

v0.15.20

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

v0.15.19

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__, __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

Compare Source

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

Compare Source

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

Compare Source

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

Compare Source

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

Compare Source

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

Compare Source

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

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