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[FR] Support for metadata 2.6 via PEP 808

enhancement

Needs TriageIssues that need to be evaluated for severity and status.

Status: Open.

#5304 In pypa/setuptools;

· Houbein opened

on Aug 18, 2026

[BUG] 84.0.0: Extension is unhashable (dataclass conversion sets __hash__ = None) — breaks setup scripts using sets of extensions

Status: Open.

#5303 In pypa/setuptools;

· MohammedAlkindi opened

on Aug 15, 2026

[BUG] setuptools 84.0.0 no longer preserves executable bit on  package_data  files in wheels

bug

Needs TriageIssues that need to be evaluated for severity and status.

Status: Open.

#5296 In pypa/setuptools;

· berland opened

on Aug 10, 2026

84.0.0: compilers obtained via setuptools._distutils.ccompiler raise a CompileError that setuptools.errors.CompileError no longer matches

breaking-change-feedbackFeedback, impact reports, or requests about breaking changes with related release notes.

dependenciesDependency-related issues, or pull requests that update a dependency

distutils deprecationissues stemming from #4137

upstream

Status: Open.

#5294 In pypa/setuptools;

· thellert opened

on Aug 9, 2026

test_apply_pyproject_equivalent_to_setuptcfg is flaky

Status: Open.

#5284 In pypa/setuptools;

· jaraco opened

on Jul 31, 2026

[BUG] setuptools.msvc.EnvironmentInfo MSBuild property result incorrect on VS2017+

bug

Needs TriageIssues that need to be evaluated for severity and status.

Status: Open.

#5275 In pypa/setuptools;

· swt2c opened

on Jul 19, 2026

Stand up standalone compilers.C distribution

Status: Open.

#5274 In pypa/setuptools;

· jaraco opened

on Jul 18, 2026

·

 

Deprecate and remove direct usage of distutils

Retire the distutils hack (remove top-level distutils injection)

Status: Open.

#5273 In pypa/setuptools;

· jaraco opened

on Jul 18, 2026

·

 

Deprecate and remove direct usage of distutils

Fill migration-guide gaps for ccompiler / new_compiler / get_platform

Status: Open.

#5272 In pypa/setuptools;

· jaraco opened

on Jul 18, 2026

·

 

Deprecate and remove direct usage of distutils

Public API for compilers.C

Status: Open.

#5271 In pypa/setuptools;

· jaraco opened

on Jul 18, 2026

·

 

Deprecate and remove direct usage of distutils

[debt] Remove distutils hack

Status: Open.

#5264 In pypa/setuptools;

· jaraco opened

on Jul 17, 2026

·

 

Deprecate and remove direct usage of distutils

[BUG] Running pip 26.1.2 failed after installing legacy versions of setuptools

bug

Needs TriageIssues that need to be evaluated for severity and status.

Status: Open.

#5263 In pypa/setuptools;

· Chao-Freeman opened

on Jul 16, 2026