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[3.15] profiling.sampling may cause assertssertion `!(has_gil && gil_requested)' failed.

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-profiling

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

Status: Open.

#142207 In python/cpython;

· yihong0618 opened on Dec 3, 2025

#138473 backports to 3.13 & 3.14 break running programs on Python version upgrade

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-multiprocessing

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

Status: Open.

#142206 In python/cpython;

· mgorny opened on Dec 3, 2025

Remove the <code>debug_override</code> parameter from <code>packaging.util.cache_from_source</code>

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

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-importlib

Status: Open.

#142203 In python/cpython;

· brettcannon opened on Dec 2, 2025

import.metadata overview missing import statement

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-importlib

Status: Open.

#142197 In python/cpython;

· lubianat opened on Dec 2, 2025

Popen.communicate loops forever under deterministic emulated time

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

OS-linux

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-subprocessSubprocess issues.Subprocess issues.

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

Status: Open.

#142195 In python/cpython;

· sporksmith opened on Dec 2, 2025

<code>csv.Sniffer</code> fails on CR (<code>\r</code>) line endings due to hardcoded <code>split('\n')</code>

pendingThe issue will be closed if no feedback is providedThe issue will be closed if no feedback is provided

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

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

Status: Open.

#142188 In python/cpython;

· ChuheLin opened on Dec 2, 2025

Make the <code>PY_UNWIND</code> monitoring event local

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#142186 In python/cpython;

· P403n1x87 opened on Dec 2, 2025

Calls across stack chunks perform badly.

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

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

performancePerformance or resource usagePerformance or resource usage

Status: Open.

#142183 In python/cpython;

· markshannon opened on Dec 2, 2025

ctypes: Remove misleading comment about tuple support in _as_parameter_ and add regression test

docsDocumentation in the Doc dirDocumentation in the Doc dir

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

topic-ctypes

Status: Open.

#142174 In python/cpython;

· CodeMaverick-143 opened on Dec 2, 2025

Include pymanager in issue template menu

infraCI, GitHub Actions, buildbots, Dependabot, etc.CI, GitHub Actions, buildbots, Dependabot, etc.

Status: Open.

#142170 In python/cpython;

· johnslavik opened on Dec 2, 2025

_testembed.c warning: Programs/_testembed.gcda profile count data file not found

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

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.

#142169 In python/cpython;

· utkonos opened on Dec 2, 2025

A multi-byte character in new PyREPL requires two backspaces to delete

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-replRelated to the interactive shellRelated to the interactive shell

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

Status: Open.

#142162 In python/cpython;

· grayjk opened on Dec 1, 2025