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Range suppression diagnostics not being surfaced

bugSomething isn't workingSomething isn't working

suppressionRelated to supression of violations e.g. noqaRelated to supression of violations e.g. noqa

Status: Open.

#23235 In astral-sh/ruff;

· amyreese opened on Feb 11, 2026

F821 false positive: <code>from .foo import Bar</code> doesn't mark <code>foo</code> as defined.

bugSomething isn't workingSomething isn't working

Status: Open.

#23233 In astral-sh/ruff;

· alona-em opened on Feb 11, 2026

False negative on RET503 when using <code>match</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#23206 In astral-sh/ruff;

· lihu-zhong opened on Feb 10, 2026

Better extension mapping for markdown files

formatterRelated to the formatterRelated to the formatter

Status: Open.

#23204 In astral-sh/ruff;

· amyreese opened on Feb 10, 2026

Panic: <code>entered unreachable code: t-string: unexpected token FStringMiddle</code>

bugSomething isn't workingSomething isn't working

parserRelated to the parserRelated to the parser

Status: Open.

#23198 In astral-sh/ruff;

· samuelcolvin opened on Feb 10, 2026

RUF029 is unsafe when using <code>ContextVar</code>

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#23196 In astral-sh/ruff;

· dosisod opened on Feb 10, 2026

Unable to in-line suppress RUF102

bugSomething isn't workingSomething isn't working

suppressionRelated to supression of violations e.g. noqaRelated to supression of violations e.g. noqa

Status: Open.

#23191 In astral-sh/ruff;

· nth10sd opened on Feb 9, 2026

<code>lint.future-annotations = true</code> causes <code>TC001</code>/<code>TC002</code>/<code>TC003</code> to act like <code>lint.flake8-type-checking.strict</code>

bugSomething isn't workingSomething isn't working

help wantedContributions especially welcomeContributions especially welcome

Status: Open.

#23185 In astral-sh/ruff;

· Avasam opened on Feb 9, 2026

BLE001 should be allowed if function returns NoReturn

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

type-inferenceRequires more advanced type inference.Requires more advanced type inference.

Status: Open.

#23150 In astral-sh/ruff;

· rodrigoscc opened on Feb 8, 2026

Improve PYI051 docs to indicate that it is an opinionated stylistic rule

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#23134 In astral-sh/ruff;

· puc9 opened on Feb 7, 2026

#![no_std] support?

questionAsking for support or clarificationAsking for support or clarification

Status: Open.

#23133 In astral-sh/ruff;

· Masterchef365 opened on Feb 6, 2026

WASM GitHub release artifacts are from non-deterministic build target

releaseRelated to the release processRelated to the release process

Status: Open.

#23127 In astral-sh/ruff;

· shaanmajid opened on Feb 6, 2026