Update dependency ruff to ~=0.15.12 #6
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This PR contains the following updates:
~=0.14.4→~=0.15.12Release Notes
astral-sh/ruff (ruff)
v0.15.12Compare Source
Released on 2026-04-24.
Preview features
#ruff:file-ignorefile-level suppressions (#23599)#ruff:ignorelogical-line suppressions (#23404)airflow] Implementtask-branch-as-short-circuit(AIR004) (#23579)flake8-bugbear] Fixbreak/continuehandling inloop-iterator-mutation(B909) (#24440)pylint] FixPLC2701for type parameter scopes (#24576)Rule changes
pandas-vet] Suggest.arrayas well inPD011(#24805)CLI
Documentation
pylint] FixPLR0124description not to claim self-comparison always returns the same value (#24749)pyupgrade] Expand docs on reusableTypeVars and scoping (UP046) (#24153)Contributors
v0.15.11Compare Source
Released on 2026-04-16.
Preview features
ruff] IgnoreRUF029when function is decorated withasynccontextmanager(#24642)airflow] Implementairflow-xcom-pull-in-template-string(AIR201) (#23583)flake8-bandit] FixS103false positives and negatives in mask analysis (#24424)Bug fixes
flake8-async] Omit overridden methods forASYNC109(#24648)Documentation
flake8-async] Add override mention toASYNC109docs (#24666)vim.lsp.config(#24577)Contributors
v0.15.10Compare Source
Released on 2026-04-09.
Preview features
flake8-logging] Allow closures in except handlers (LOG004) (#24464)flake8-self] MakeSLFdiagnostics robust to non-self-named variables (#24281)flake8-simplify] Make the fix forcollapsible-ifsafe inpreview(SIM102) (#24371)Bug fixes
E502fixes in f-strings and t-strings (#24410)dedent_to(#24381)pyupgrade] Fix panic caused by handling of octals (UP012) (#24390)Rule changes
ruff] Treat f-string interpolation as potential side effect (RUF019) (#24426)Server
Documentation
Contributors
v0.15.9Compare Source
Released on 2026-04-02.
Preview features
pyflakes] Flag annotated variable redeclarations asF811in preview mode (#24244)ruff] Allow dunder-named assignments in non-strict mode forRUF067(#24089)Bug fixes
flake8-errmsg] Avoid shadowing existingmsgin fix forEM101(#24363)flake8-simplify] Ignore pre-initialization references inSIM113(#24235)pycodestyle] FixW391fixes for consecutive empty notebook cells (#24236)pyupgrade] FixUP008nested class matching (#24273)pyupgrade] Ignore strings with string-only escapes (UP012) (#16058)ruff]RUF072: skip formfeeds on dedent (#24308)ruff] Avoid re-using symbol inRUF024fix (#24316)ruff] Parenthesize expression inRUF050fix (#24234)Rule changes
flake8-simplify] SuppressSIM105forexcept*before Python 3.12 (#23869)pyflakes] ExtendF507to flag%-format strings with zero placeholders (#24215)pyupgrade]UP018should detect more unnecessarily wrapped literals (UP018) (#24093)pyupgrade] FixUP008callable scope handling to support lambdas (#24274)ruff]RUF010: Mark fix as unsafe when it deletes a comment (#24270)Formatter
nested-string-quote-styleformatting option (#24312)Documentation
flake8-bugbear] Clarify RUF071 fix safety for non-path string comparisons (#24149)flake8-type-checking] Clarify import cycle wording forTC001/TC002/TC003(#24322)Other changes
|(#24343)Contributors
v0.15.8Compare Source
Released on 2026-03-26.
Preview features
ruff] New ruleunnecessary-if(RUF050) (#24114)ruff] New ruleuseless-finally(RUF072) (#24165)ruff] New rulef-string-percent-format(RUF073): warn when using%operator on an f-string (#24162)pyflakes] Recognizefrozendictas a builtin for Python 3.15+ (#24100)Bug fixes
flake8-async] Use fully-qualifiedanyio.lowlevelimport in autofix (ASYNC115) (#24166)flake8-bandit] Check tuple arguments for partial paths inS607(#24080)pyflakes] Skipundefined-name(F821) for conditionally deleted variables (#24088)E501/W505/formatter: Exclude nested pragma comments from line width calculation (#24071)%foo?parsing in IPython assignment expressions (#24152)analyze graph: resolve string imports that reference attributes, not just modules (#24058)Rule changes
eradicate] ignorety: ignorecomments inERA001(#24192)flake8-bandit] Treatsys.executableas trusted input inS603(#24106)flake8-self] RecognizeSelfannotation andselfassignment inSLF001(#24144)pyflakes]F507: Fix false negative for non-tuple RHS in%-formatting (#24142)refurb] Parenthesize generator arguments inFURB142fixer (#24200)Performance
Server
Documentation
extend-ignoreandextend-selectsettings documentation (#24064)Other changes
Contributors
v0.15.7Compare Source
Released on 2026-03-19.
Preview features
noqahover for non-Python documents (#24040)Rule changes
pycodestyle] Recognizepyrefly:as a pragma comment (E501) (#24019)Server
Documentation
pylint] Improve phrasing (PLC0208) (#24033)Other changes
Contributors
v0.15.6Compare Source
Released on 2026-03-12.
Preview features
lazyimport parsing (#23755)airflow] FlagVariable.get()calls outside of task execution context (AIR003) (#23584)airflow] Flag runtime-varying values in DAG/task constructor arguments (AIR304) (#23631)flake8-bugbear] Implementdelattr-with-constant(B043) (#23737)flake8-tidy-imports] AddTID254to enforce lazy imports (#23777)flake8-tidy-imports] Allow users to ban lazy imports withTID254(#23847)isort] Retainlazykeyword when sorting imports (#23762)pyupgrade] Addfrom __future__ import annotationsautomatically (UP006) (#23260)refurb] Supportnewlineparameter inFURB101for Python 3.13+ (#23754)ruff] Addos-path-commonprefix(RUF071) (#23814)ruff] Add unsafe fix for os-path-commonprefix (RUF071) (#23852)ruff] LimitRUF036to typing contexts; make it unsafe for non-typing-only (#23765)ruff] Use starred unpacking forRUF017in Python 3.15+ (#23789)Bug fixes
--add-noqacreating unwanted leading whitespace (#23773)--add-noqabreaking shebangs (#23577)flake8-annotations] Fix stack overflow inANN401on quoted annotations with escape sequences (#23912)pep8-naming] Check naming conventions inmatchpattern bindings (N806,N815,N816) (#23899)perflint] Fix comment duplication in fixes (PERF401,PERF403) (#23729)pyupgrade] Properly triggersuperchange in nested class (UP008) (#22677)ruff] Avoid syntax errors inRUF036fixes (#23764)Rule changes
flake8-bandit] FlagS501withrequests.request(#23873)flake8-executable] Fix WSL detection in non-Docker containers (#22879)flake8-print] Ignorepprintcalls withstream=(#23787)Documentation
flake8-bugbear] Fix misleading description forB904(#23731)Contributors
v0.15.5Compare Source
Released on 2026-03-05.
Preview features
perflint] ExtendPERF102to comprehensions and generators (#23473)refurb] FixFURB101andFURB103false positives when I/O variable is used later (#23542)ruff] Add fix fornone-not-at-end-of-union(RUF036) (#22829)ruff] Fix false positive forre.splitwith 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 redundantNoneelements inUP045(#23459)Documentation
Other changes
Contributors
v0.15.4Compare Source
Released on 2026-02-26.
This is a follow-up release to 0.15.3 that resolves a panic when the new rule
PLR1712was enabled with any rule that analyzes definitions, such as many of theANNorDrules.Bug fixes
pyflakes] Suppress false positive inF821for names used beforedelin stub files (#23550)Documentation
import-headingexample (#23568)Contributors
v0.15.3Compare Source
Released on 2026-02-26.
Preview features
Drop explicit support for
.qmdfile extension (#23572)This can now be enabled instead by setting the
extensionoption:Include configured extensions in file discovery (#23400)
[
flake8-bandit] Allow suspicious imports inTYPE_CHECKINGblocks (S401-S415) (#23441)[
flake8-bugbear] AllowB901in 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] Implementswap-with-temporary-variable(PLR1712) (#22205)[
ruff] Addunnecessary-assign-before-yield(RUF070) (#23300)[
ruff] Support file-level noqa inRUF102(#23535)[
ruff] Suppress diagnostic for invalid f-strings before Python 3.12 (RUF027) (#23480)[
flake8-bandit] Don't flagBaseLoader/CBaseLoaderas unsafe (S506) (#23510)Bug fixes
I002andPYI025(#23352)pyflakes] Fix false positive for@overloadfromlint.typing-modules(F811) (#23357)pyupgrade] Fix false positive forTypeVardefault before Python 3.12 (UP046) (#23540)pyupgrade] Fix handling of\Nin raw strings (UP032) (#22149)Rule changes
Render sub-diagnostics in the GitHub output format (#23455)
[
flake8-bugbear] Tag certainB007diagnostics as unnecessary (#23453)[
ruff] Ignore unknown rule codes inRUF100(#23531)These are now flagged by
RUF102instead.Documentation
pydocstyle] Fix double comma in description ofD404(#23440)Other changes
find_ruff_bin) for parity with uv (#23406)Contributors
v0.15.2Compare Source
Released on 2026-02-19.
Preview features
Expand the default rule set (#23385)
In preview, Ruff now enables a significantly expanded default rule set of 412
rules, up from the stable default set of 59 rules. The new rules are mostly a
superset of the stable defaults, with the exception of these rules, which are
removed from the preview defaults:
multiple-imports-on-one-line(E401)module-import-not-at-top-of-file(E402)module-import-not-at-top-of-file(E701)multiple-statements-on-one-line-semicolon(E702)useless-semicolon(E703)none-comparison(E711)true-false-comparison(E712)not-in-test(E713)not-is-test(E714)type-comparison(E721)lambda-assignment(E731)ambiguous-variable-name(E741)ambiguous-class-name(E742)ambiguous-function-name(E743)undefined-local-with-import-star(F403)undefined-local-with-import-star-usage(F405)undefined-local-with-nested-import-star-usage(F406)forward-annotation-syntax-error(F722)If you use preview and prefer the old defaults, you can restore them with
configuration like:
If you do give them a try, feel free to share your feedback in the GitHub
discussion!
[
flake8-pyi] Also check string annotations (PYI041) (#19023)Bug fixes
flake8-async] Fixin_async_contextlogic (#23426)ruff] Fix forRUF102should delete entire comment (#23380)ruff] Suppress diagnostic for strings with backslashes in interpolations before Python 3.12 (RUF027) (#21069)flake8-bugbear] FixB023false positive for immediately-invoked lambdas (#23294)Rule changes
flake8-executable] Allow global flags in uv shebangs (EXE003) (#22582)pyupgrade] Fix handling oftyping.{io,re}(UP035) (#23131)ruff] DetectPLC0207on chainedstr.split()calls (#23275)CLI
noqawarning (#23270)Configuration
Documentation
Q004to the list of conflicting rules (#23340)ruff] Expandlint.externaldocs and add sub-diagnostic (RUF100,RUF102) (#23268)Contributors
v0.15.1Compare Source
Released on 2026-04-24.
Preview features
#ruff:file-ignorefile-level suppressions (#23599)#ruff:ignorelogical-line suppressions (#23404)airflow] Implementtask-branch-as-short-circuit(AIR004) (#23579)flake8-bugbear] Fixbreak/continuehandling inloop-iterator-mutation(B909) (#24440)pylint] FixPLC2701for type parameter scopes (#24576)Rule changes
pandas-vet] Suggest.arrayas well inPD011(#24805)CLI
Documentation
pylint] FixPLR0124description not to claim self-comparison always returns the same value (#24749)pyupgrade] Expand docs on reusableTypeVars and scoping (UP046) (#24153)Contributors
v0.15.0Compare Source
Released on 2026-02-03.
Check out the blog post for a migration
guide and overview of the changes!
Breaking changes
Ruff now formats your code according to the 2026 style guide. See the formatter section below or in the blog post for a detailed list of changes.
The linter now supports block suppression comments. For example, to suppress
N803for all parameters in this function:See the documentation for more details.
The
ruff:alpineDocker image is now based on Alpine 3.23 (up from 3.21).The
ruff:debianandruff:debian-slimDocker images are now based on Debian 13 "Trixie" instead of Debian 12 "Bookworm."Binaries for the
ppc64(64-bit big-endian PowerPC) architecture are no longer included in our releases. It should still be possible to build Ruff manually for this platform, if needed.Ruff now resolves all
extended configuration files before falling back on a default Python version.Stabilization
The following rules have been stabilized and are no longer in preview:
blocking-http-call-httpx-in-async-function(
ASYNC212)blocking-path-method-in-async-function(
ASYNC240)blocking-input-in-async-function(
ASYNC250)map-without-explicit-strict(
B912)if-exp-instead-of-or-operator(
FURB110)single-item-membership-test(
FURB171)missing-maxsplit-arg(PLC0207)unnecessary-lambda(PLW0108)unnecessary-empty-iterable-within-deque-call(
RUF037)in-empty-collection(RUF060)legacy-form-pytest-raises(
RUF061)non-octal-permissions(RUF064)invalid-rule-code(RUF102)invalid-suppression-comment(
RUF103)unmatched-suppression-comment(
RUF104)replace-str-enum(UP042)The following behaviors have been stabilized:
--output-formatflag is now respected when running Ruff in--watchmode, and thefulloutput format is now used by default, matching the regular CLI output.builtin-attribute-shadowing(A003) now detects the use of shadowed built-in names in additional contexts like decorators, default arguments, and other attribute definitions.duplicate-union-member(PYI016) now considerstyping.Optionalwhen searching for duplicate union members.split-static-string(SIM905) now offers an autofix when themaxsplitargument is provided, even without asepargument.dict-get-with-none-default(SIM910) now applies to more types of key expressions.super-call-with-parameters(UP008) now has a safe fix when it will not delete comments.unnecessary-default-type-args(UP043) now applies to stub (.pyi) files on Python versions before 3.13.Formatter
This release introduces the new 2026 style guide, with the following changes:
them break across multiple lines (#21385)
exceptclauses will now be removed on Python 3.14 andlater (#20768)
ascaptures inmatchstatements (#21176)Preview features
Apply formatting to Markdown code blocks (#22470, #22990, #22996)
See the documentation for more details.
Bug fixes
Rule changes
fix_titlesub-diagnostic appears (#23044)FastAPI] Add sub-diagnostic explaining why a fix was unavailable (FAST002) (#22565)flake8-annotations] Don't suggestNoReturnfor functions raisingNotImplementedError(ANN201,ANN202,ANN205,ANN206) (#21311)pyupgrade] Make fix unsafe if it deletes comments (UP017) (#22873)pyupgrade] Make fix unsafe if it deletes comments (UP020) (#22872)pyupgrade] Make fix unsafe if it deletes comments (UP033) (#22871)refurb] Do not addabc.ABCif already present (FURB180) (#22234)refurb] Make fix unsafe if it deletes comments (FURB110) (#22768)ruff] Add sub-diagnostics with permissions (RUF064) (#22972)Server
didOpeninstead of.ipynbfile extension (#22810)CLI
--colorCLI option to force colored output (#22806)Documentation
-stdin convention in CLI help text (#22817)refurb] Change example tore.searchwith^anchor (FURB167) (#22984)pydocstyle] Clarify which quote styles are allowed (D300) (#22825)flake8-bugbear] Improve docs forno-explicit-stacklevel(B028) (#22538)Other changes
Contributors
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