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Stabilize <code>PLR0917</code>

previewRelated to preview mode featuresRelated to preview mode features

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#16867 In astral-sh/ruff;

· flying-sheep opened on Mar 20, 2025

Stabilize <code>format --check</code> output formats

diagnosticsRelated to reporting of diagnostics.Related to reporting of diagnostics.

formatterRelated to the formatterRelated to the formatter

Status: Open.

#20755 In astral-sh/ruff;

· ntBre opened on Oct 7, 2025

F822 Undefined name in __all__ does not work in __init__.py - again

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#19740 In astral-sh/ruff;

· netrix opened on Aug 4, 2025

Check Watch does not show output format error message from clearing too late

bugSomething isn't workingSomething isn't working

cliRelated to the command-line interfaceRelated to the command-line interface

Status: Open.

#19552 In astral-sh/ruff;

· MeGaGiGaGon opened on Jul 25, 2025

Identical/duplicate rules: compare-with-tuple (SIM109) and repeated-equality-comparison (PLR1714)

breakingBreaking API changeBreaking API change

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#22328 In astral-sh/ruff;

· GideonBear opened on Jan 1, 2026

fix: target-version fallback with extend

breakingBreaking API changeBreaking API change

configurationRelated to settings and configurationRelated to settings and configuration

Status: Open (in progress).

astral-sh/ruffnumber 21980

#21980 In astral-sh/ruff;

· denyszhak opened on Dec 14, 2025

2026 Ruff Formatter Style

breakingBreaking API changeBreaking API change

do-not-mergeDo not merge this pull requestDo not merge this pull request

formatterRelated to the formatterRelated to the formatter

Status: Open (in progress).

astral-sh/ruffnumber 22735

#22735 In astral-sh/ruff;

· dylwil3 opened on Jan 19, 2026

Consider <code>UP042</code> for stabilization

previewRelated to preview mode featuresRelated to preview mode features

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open.

#22816 In astral-sh/ruff;

· Else00 opened on Jan 22, 2026

Ruff 0.15

breakingBreaking API changeBreaking API change

releaseRelated to the release processRelated to the release process

Status: Draft (not ready).

astral-sh/ruffnumber 22875

#22875 In astral-sh/ruff;

· ntBre opened on Jan 26, 2026

Stabilize <code>--output-format</code> in <code>--watch</code> mode

cliRelated to the command-line interfaceRelated to the command-line interface

Status: Open (in progress).

astral-sh/ruffnumber 22908

#22908 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>ASYNC240</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22909

#22909 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>B912</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22910

#22910 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>ASYNC250</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22911

#22911 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>ASYNC212</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22914

#22914 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>RUF064</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22915

#22915 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>RUF061</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22917

#22917 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>PLC0207</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22918

#22918 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>RUF060</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22919

#22919 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>RUF102</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22922

#22922 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>RUF037</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22923

#22923 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>UP042</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22924

#22924 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>FURB110</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22926

#22926 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>PLW0108</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22927

#22927 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026

Stabilize <code>FURB171</code>

ruleImplementing or modifying a lint ruleImplementing or modifying a lint rule

Status: Open (in progress).

astral-sh/ruffnumber 22928

#22928 In astral-sh/ruff;

· ntBre opened on Jan 28, 2026