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Inconsistency handling of immortal objects in gc

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137110 In python/cpython;

· sergey-miryanov opened on Jul 25, 2025

multi-threading + fork warning when threads are stopped before fork

extension-modulesC modules in the Modules dirC modules in the Modules dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137109 In python/cpython;

· P403n1x87 opened on Jul 25, 2025

[3.14] gh-134698: Hold a lock when the thread state is detached in <code>ssl</code> (GH-134724)

awaiting merge

needs backport to 3.13bugs and security fixesbugs and security fixes

topic-SSL

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open (in progress).

python/cpythonnumber 137107

#137107 In python/cpython;

· gpshead opened on Jul 25, 2025

The keyword typo error messages work inconsistently when executed over files

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-parser

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137078 In python/cpython;

· pablogsal opened on Jul 24, 2025

Merge 'types.UnionType' with <code>typing._UnionGenericAlias</code>, not <code>typing.Union</code>

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

release-blocker

topic-typing

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137065 In python/cpython;

· serhiy-storchaka opened on Jul 24, 2025

<code>url2pathname()</code> mishandles URL with Windows drive in netloc

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137059 In python/cpython;

· barneygale opened on Jul 23, 2025

DTrace Build Fails on NetBSD

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

buildThe build process and cross-buildThe build process and cross-build

OS-netbsd

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137056 In python/cpython;

· furkanonder opened on Jul 23, 2025

resource library (getrlimit, setrlimit) interprets resource limits as signed integers instead of unsigned

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137044 In python/cpython;

· ArturBieniek4 opened on Jul 23, 2025

Unable to attach pdb remote debugger on MacOS

OS-mac

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137033 In python/cpython;

· anze3db opened on Jul 23, 2025

Embedded Python creates a large number of memory leaks when trying to load a non-existent module

performancePerformance or resource usagePerformance or resource usage

topic-C-API

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#137005 In python/cpython;

· GShabanov opened on Jul 22, 2025

Python <code>io.open</code> intermittently throw <code>PermissionError</code> on windows

OS-windows

topic-IO

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#136965 In python/cpython;

· googlyrahman opened on Jul 22, 2025

Unable to use <code>logging.NOTSET</code> with <code>assertLogs</code> or <code>assertNoLogs</code>

stdlibPython modules in the Lib dirPython modules in the Lib dir

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#136958 In python/cpython;

· MadLittleMods opened on Jul 22, 2025