Check out the blog post for a migration guide and overview of the changes!
Changes
Breaking changes
- The
NURSERYselector cannot be used anymore - Legacy selection of nursery rules by exact codes is no longer allowed without preview enabled
See also, the "Remapped rules" section which may result in disabled rules.
Deprecations
The following rules are now deprecated:
missing-type-self(ANN101)missing-type-cls(ANN102)
The following command line options are now deprecated:
--show-source; use--output-format fullinstead--no-show-source; use--output-format conciseinstead--output-format text; usefullorconciseinstead
The following settings have moved and the previous name is deprecated:
ruff.allowed-confusables→ruff.lint.allowed-confusablesruff.dummy-variable-rgx→ruff.lint.dummy-variable-rgxruff.explicit-preview-rules→ruff.lint.explicit-preview-rulesruff.extend-fixable→ruff.lint.extend-fixableruff.extend-ignore→ruff.lint.extend-ignoreruff.extend-per-file-ignores→ruff.lint.extend-per-file-ignoresruff.extend-safe-fixes→ruff.lint.extend-safe-fixesruff.extend-select→ruff.lint.extend-selectruff.extend-unfixable→ruff.lint.extend-unfixableruff.extend-unsafe-fixes→ruff.lint.extend-unsafe-fixesruff.external→ruff.lint.externalruff.fixable→ruff.lint.fixableruff.flake8-annotations→ruff.lint.flake8-annotationsruff.flake8-bandit→ruff.lint.flake8-banditruff.flake8-bugbear→ruff.lint.flake8-bugbearruff.flake8-builtins→ruff.lint.flake8-builtinsruff.flake8-comprehensions→ruff.lint.flake8-comprehensionsruff.flake8-copyright→ruff.lint.flake8-copyrightruff.flake8-errmsg→ruff.lint.flake8-errmsgruff.flake8-gettext→ruff.lint.flake8-gettextruff.flake8-implicit-str-concat→ruff.lint.flake8-implicit-str-concatruff.flake8-import-conventions→ruff.lint.flake8-import-conventionsruff.flake8-pytest-style→ruff.lint.flake8-pytest-styleruff.flake8-quotes→ruff.lint.flake8-quotesruff.flake8-self→ruff.lint.flake8-selfruff.flake8-tidy-imports→ruff.lint.flake8-tidy-importsruff.flake8-type-checking→ruff.lint.flake8-type-checkingruff.flake8-unused-arguments→ruff.lint.flake8-unused-argumentsruff.ignore→ruff.lint.ignoreruff.ignore-init-module-imports→ruff.lint.ignore-init-module-importsruff.isort→ruff.lint.isortruff.logger-objects→ruff.lint.logger-objectsruff.mccabe→ruff.lint.mccaberuff.pep8-naming→ruff.lint.pep8-namingruff.per-file-ignores→ruff.lint.per-file-ignoresruff.pycodestyle→ruff.lint.pycodestyleruff.pydocstyle→ruff.lint.pydocstyleruff.pyflakes→ruff.lint.pyflakesruff.pylint→ruff.lint.pylintruff.pyupgrade→ruff.lint.pyupgraderuff.select→ruff.lint.selectruff.task-tags→ruff.lint.task-tagsruff.typing-modules→ruff.lint.typing-modulesruff.unfixable→ruff.lint.unfixable
Remapped rules
The following rules have been remapped to new codes:
raise-without-from-inside-except:TRY200toB904suspicious-eval-usage:PGH001toS307logging-warn:PGH002toG010static-key-dict-comprehension:RUF011toB035runtime-string-union:TCH006toTCH010
Stabilizations
The following rules have been stabilized and are no longer in preview:
trio-timeout-without-await(TRIO100)trio-sync-call(TRIO105)trio-async-function-with-timeout(TRIO109)trio-unneeded-sleep(TRIO110)trio-zero-sleep-call(TRIO115)unnecessary-escaped-quote(Q004)enumerate-for-loop(SIM113)zip-dict-keys-and-values(SIM911)timeout-error-alias(UP041)flask-debug-true(S201)tarfile-unsafe-members(S202)ssl-insecure-version(S502)ssl-with-bad-defaults(S503)ssl-with-no-version(S504)weak-cryptographic-key(S505)ssh-no-host-key-verification(S507)django-raw-sql(S611)mako-templates(S702)generator-return-from-iter-method(PYI058)runtime-string-union(TCH006)numpy2-deprecation(NPY201)quadratic-list-summation(RUF017)assignment-in-assert(RUF018)unnecessary-key-check(RUF019)never-union(RUF020)direct-logger-instantiation(LOG001)invalid-get-logger-argument(LOG002)exception-without-exc-info(LOG007)undocumented-warn(LOG009)
Fixes for the following rules have been stabilized and are now available without preview:
triple-single-quotes(D300)non-pep604-annotation(UP007)dict-get-with-none-default(SIM910)in-dict-keys(SIM118)collapsible-else-if(PLR5501)if-with-same-arms(SIM114)useless-else-on-loop(PLW0120)unnecessary-literal-union(PYI030)unnecessary-spread(PIE800)error-instead-of-exception(TRY400)redefined-while-unused(F811)duplicate-value(B033)multiple-imports-on-one-line(E401)non-pep585-annotation(UP006)
Fixes for the following rules have been promoted from unsafe to safe:
unaliased-collections-abc-set-import(PYI025)
The following behaviors have been stabilized:
module-import-not-at-top-of-file(E402) allowssys.pathmodifications between importsreimplemented-container-builtin(PIE807) includes lambdas that can be replaced withdictunnecessary-placeholder(PIE790) applies to unnecessary ellipses (...)if-else-block-instead-of-dict-get(SIM401) applies toif-elseexpressions
Preview features
- [
refurb] Implementmetaclass_abcmeta(FURB180) (#9658) - Implement
blank_line_after_nested_stub_classpreview style (#9155) - The preview rule
and-or-ternary(PLR1706) was removed
Bug fixes
- [
flake8-async] Takepathlib.Pathinto account when analyzing async functions (#9703) - [
flake8-return] - fix indentation syntax error (RET505) (#9705) - Detect multi-statement lines in else removal (#9748)
RUF022,RUF023: never add two trailing commas to the end of a sequence (#9698)RUF023: Don't sort__match_args__, only__slots__(#9724)- [
flake8-simplify] - Fix syntax error in autofix (SIM114) (#9704) - [
pylint] Show verbatim constant inmagic-value-comparison(PLR2004) (#9694) - Removing trailing whitespace inside multiline strings is unsafe (#9744)
- Support
IfExpwith dual string arms ininvalid-envvar-default(#9734) - [
pylint] Add__mro_entries__to known dunder methods (PLW3201) (#9706)
Documentation
- Removed rules are now retained in the documentation (#9691)
- Deprecated rules are now indicated in the documentation (#9689)