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Disagreement with isort

isortRelated to import sortingRelated to import sorting

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#21863 In astral-sh/ruff;

· thmo opened on Dec 9, 2025

Clash between <code>FURB120</code> and <code>B905</code>

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#21855 In astral-sh/ruff;

· jamesbraza opened on Dec 9, 2025

new rule: don't use <code>typing.runtime_checkable</code>

needs-decisionAwaiting a decision from a maintainerAwaiting a decision from a maintainer

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#21841 In astral-sh/ruff;

· KotlinIsland opened on Dec 8, 2025

Update ruff_liner to use optimized version of parenthesized_ranges

Status: Open.

#21835 In astral-sh/ruff;

· denyszhak opened on Dec 8, 2025

PTH fixes should be unsafe when they change return types in compound statements

fixesRelated to suggested fixes for violationsRelated to suggested fixes for violations

previewRelated to preview mode featuresRelated to preview mode features

Status: Open.

#21794 In astral-sh/ruff;

· dscorbett opened on Dec 4, 2025

Rule for blank line at start of file

needs-decisionAwaiting a decision from a maintainerAwaiting a decision from a maintainer

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#21785 In astral-sh/ruff;

· skissane-medallia opened on Dec 4, 2025

EXE003 - allows "uv run" but errors on "uv --quiet run"

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#21753 In astral-sh/ruff;

· Jamie-BitFlight opened on Dec 2, 2025

panic: <code>internal error: entered unreachable code: IPython escape command expression is only allowed for % and !</code>

bugSomething isn't workingSomething isn't working

notebookRelated to (Jupyter) notebooksRelated to (Jupyter) notebooks

parserRelated to the parserRelated to the parser

Status: Open.

#21705 In astral-sh/ruff;

· correctmost opened on Nov 30, 2025

Rule: Recommend <code>isinstance(x, Cls)</code> over <code>issubclass(type(x), Cls)</code>

needs-decisionAwaiting a decision from a maintainerAwaiting a decision from a maintainer

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#21698 In astral-sh/ruff;

· KDruzhkin opened on Nov 29, 2025

ASYNC115 (async-zero-sleep): <code>anyio.lowlevel.checkpoint()</code> needs <code>import anyio.lowlevel</code>

bugSomething isn't workingSomething isn't working

fixesRelated to suggested fixes for violationsRelated to suggested fixes for violations

Status: Open.

#21693 In astral-sh/ruff;

· injust opened on Nov 29, 2025

PLR1714: Repeated equality comparison to the same literal value shouldn't convert to a set

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#21692 In astral-sh/ruff;

· injust opened on Nov 29, 2025

playground: Share button says Copied! before actually copying, then fails if you tab away too fast

help wantedContributions especially welcomeContributions especially welcome

playgroundA playground-specific issueA playground-specific issue

Status: Open.

#21691 In astral-sh/ruff;

· injust opened on Nov 29, 2025