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Is the new release OK?

Needs ReproIssues that need a reproducible example.Issues that need a reproducible example.

Status: Open.

#5154 In pypa/setuptools;

· gwbres opened on Jan 21, 2026

[CI] Upgrade GitHub Actions to v4

Status: Open.

#5148 In pypa/setuptools;

· Divyadarshee opened on Jan 20, 2026

[FR] <code>package-dir</code>-aware <code>find:</code> directive

enhancement

Status: Open.

#5145 In pypa/setuptools;

· xdewx opened on Jan 19, 2026

[FR] Add support for building exes using C source files.

enhancement

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

Status: Open.

#5135 In pypa/setuptools;

· AraHaan opened on Jan 7, 2026

[BUG] <code>build --wheel</code> leaves unnecessary files

bug

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

Status: Open.

#5134 In pypa/setuptools;

· abitrolly opened on Jan 1, 2026

[BUG] build command copies extension sources (.c, .cpp files) to build/lib directory

bug

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

Status: Open.

#5133 In pypa/setuptools;

· rajputa-deshaw opened on Dec 24, 2025

[BUG] cygwin C compiler fails to respect source file extension casing

bug

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

Status: Open.

#5130 In pypa/setuptools;

· Morilli opened on Dec 8, 2025

[FR] Support <code>.tar.zst</code> (zstandard-compressed tarball) source distribution formats

enhancement

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

Status: Open.

#5127 In pypa/setuptools;

· lengau opened on Dec 1, 2025

[BUG] Fail to compile extensions on Windows free-threading non-MSVC

bug

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

Status: Open.

#5126 In pypa/setuptools;

· crusaderky opened on Dec 1, 2025

[BUG] C++ shared library linking fails on Ubuntu: <code>-shared</code> flag stripped in transformation block

bug

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

Status: Open.

#5123 In pypa/setuptools;

· msftsiwei opened on Nov 25, 2025

[BUG] setting install_requires=[] disables dynamic requires-dist

bug

help wanted

Status: Open.

#5120 In pypa/setuptools;

· lmondada opened on Nov 20, 2025

[FR] [Docs] Return processing of environment variables to <code>build_ext</code>

enhancement

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

Status: Open.

#5117 In pypa/setuptools;

· MikhailRyazanov opened on Nov 18, 2025