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Docs: free-threaded extension guide refers to deprecated cibuildwheel option

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-free-threading

Status: Open.

#148892 In python/cpython;

· ngoldbaum opened on Apr 22, 2026

Crash in HAMT during garbage collection

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

type-crashA hard crash of the interpreter, possibly with a core dumpA hard crash of the interpreter, possibly with a core dump

Status: Open.

#148891 In python/cpython;

· KowalskiThomas opened on Apr 22, 2026

Remove hard-coded python version in Tools/pixi-packages #148858

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148887 In python/cpython;

· isuruf opened on Apr 22, 2026

Docs: grammar in Counter dictionary methods note is slightly unclear

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#148883 In python/cpython;

· SanJJ1 opened on Apr 22, 2026

with lock: can skip __exit__ when a signal handler raises right after __enter__

3.14bugs and security fixesbugs and security fixes

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)

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

Status: Open.

#148874 In python/cpython;

· colesbury opened on Apr 22, 2026

Extend and improve LOAD_COMMON_CONSTANT

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148871 In python/cpython;

· markshannon opened on Apr 22, 2026

Add additional tests for isinf() function in cmath library

testsTests in the Lib/test dirTests in the Lib/test dir

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148868 In python/cpython;

· manoj-km24 opened on Apr 22, 2026

Add support for VISCII encoding in codecs

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

topic-unicode

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148865 In python/cpython;

· henryivesjones opened on Apr 22, 2026

REPL pasting behavior is different on Windows and unix consoles

OS-windows

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.

#148861 In python/cpython;

· GabrielvMarinho opened on Apr 22, 2026

test.support.in_systemd_nspawn_sync_suppressed() fails with permission error

testsTests in the Lib/test dirTests in the Lib/test dir

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

Status: Open.

#148853 In python/cpython;

· neek78 opened on Apr 21, 2026

Memory sanitizer generates false positives on data returned by os.getrandom()

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.

#148850 In python/cpython;

· petervanvugt opened on Apr 21, 2026

Deprecate BaseCookie.js_output() method

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148849 In python/cpython;

· sethmlarson opened on Apr 21, 2026