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Extract common bytecode retrieval logic from <code>_PyFrame_GetBytecode</code> and <code>_PyFrame_SafeGetLasti</code>

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

type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)

Status: Open.

#142929 In python/cpython;

· nybblista opened on Dec 18, 2025

argparse.HelpFormatter color argument removed in 3.15.0a3 without deprecation

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

Status: Open.

#142928 In python/cpython;

· hroncok opened on Dec 18, 2025

Improve Tachyon UX

Status: Open.

#142927 In python/cpython;

· pablogsal opened on Dec 18, 2025

Context.items/keys/values docstrings claim lists but return iterators

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#142918 In python/cpython;

· hyongtao-code opened on Dec 18, 2025

memory leak <code>WARNING: invalid path to external symbolizer</code>

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

Status: Open.

#142917 In python/cpython;

· YuanchengJiang opened on Dec 18, 2025

<code>pathlib.Path.mkdir()</code> raises <code>FileExistsError</code> for non-existent path due to TOCTOU race condition

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

topic-pathlib

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

Status: Open.

#142916 In python/cpython;

· adriancaruana opened on Dec 18, 2025

Explore SIMD-accelerated parsing architecture for the standard json module

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#142915 In python/cpython;

· ErwinCell opened on Dec 18, 2025

Add test coverage for interpreter loop generator overridden insts

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

Status: Open.

#142913 In python/cpython;

· DinoV opened on Dec 18, 2025

Interpreter uses <code>DK_IS_UNICODE</code> where it should use <code>dk_kind == DICT_KEYS_UNICODE</code>

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

Status: Open.

#142908 In python/cpython;

· colesbury opened on Dec 17, 2025

Include conda-forge copyright/license in Tools/pixi-packages/default/recipe.yaml

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#142903 In python/cpython;

· isuruf opened on Dec 17, 2025

pixi definitions fail with <code>pypi-dependencies</code>

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

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

Status: Open.

#142897 In python/cpython;

· crusaderky opened on Dec 17, 2025

<code>shlex.join</code>'s docstring isn't sufficiently clear

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#142895 In python/cpython;

· BenFrantzDale opened on Dec 17, 2025