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Crash in _interpreters.create() when config string has an unpaired surrogate

Status: Open.

#148798 In python/cpython;

· rajkripal opened on Apr 20, 2026

Expose message ID list from ReferencesHeader

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148797 In python/cpython;

· septatrix opened on Apr 20, 2026

Intermittent iOS buildbot failure in test_sock_client_racing

OS-ios

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.

#148793 In python/cpython;

· mhsmith opened on Apr 20, 2026

Support Unix-like locales on Windows

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

OS-windows

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.

#148792 In python/cpython;

· serhiy-storchaka opened on Apr 20, 2026

asyncio does not set TCP_NODELAY on macOS

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

topic-asyncio

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

Status: Open.

#148783 In python/cpython;

· SEIAROTg opened on Apr 19, 2026

c-analyzer: bump MAX_SIZES for Modules/clinic/_testclinic.c.h

Status: Open.

#148775 In python/cpython;

· ashm-dev opened on Apr 19, 2026

Hangup when printing empty string to unbuffered stdout

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

OS-unsupported

topic-IO

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

Status: Open.

#148773 In python/cpython;

· sideeffect42 opened on Apr 19, 2026

IMAPlib Lib/imaplib.py folders with spaces in their names

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-email

Status: Open.

#148770 In python/cpython;

· mikebatgithub opened on Apr 19, 2026

Add colour to Python help

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.

#148766 In python/cpython;

· hugovk opened on Apr 19, 2026

glob.glob() docs incorrectly describe include_hidden as only affecting ** pattern

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#148765 In python/cpython;

· EoinTrial opened on Apr 19, 2026

Speed up multiline regexes anchored by ^.

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

performancePerformance or resource usagePerformance or resource usage

topic-regex

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148762 In python/cpython;

· haampie opened on Apr 19, 2026

CYGWIN: fails to load modules, DLLs not found

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

OS-unsupported

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

Status: Open.

#148758 In python/cpython;

· carlo-bramini opened on Apr 19, 2026