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_csv: _set_str() missing NULL check after PyUnicode_DecodeASCII()

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.

#145978 In python/cpython;

· raminfp opened on Mar 15, 2026

Clean up unused files from Misc/

triagedThe issue has been accepted as valid by a triager.The issue has been accepted as valid by a triager.

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145976 In python/cpython;

· StanFromIreland opened on Mar 15, 2026

Remote debugger should be checked only if interpreter paused on STW

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.

#145970 In python/cpython;

· sergey-miryanov opened on Mar 15, 2026

base64.b64decode error raised on valid input

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

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

Status: Open.

#145968 In python/cpython;

· mayeut opened on Mar 15, 2026

_csv: DIALECT_GETATTR macro silently masks non-AttributeError exceptions

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.

#145966 In python/cpython;

· raminfp opened on Mar 15, 2026

Enhance asyncio.staggered.staggered_race as promised

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

topic-asyncio

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145963 In python/cpython;

· jonathandung opened on Mar 15, 2026

SharedMemory object implement non-uniform size behaviors.

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

topic-multiprocessing

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145954 In python/cpython;

· chaddnn9 opened on Mar 14, 2026

Segmentation fault in test_call.py (c_recurse) on Linux with Clang (LTO+PGO)

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.

#145953 In python/cpython;

· ashm-dev opened on Mar 14, 2026

hmac_digest race condition with openssl 3.0.19 and Python 3.14t

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

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

topic-free-threading

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

Status: Open.

#145933 In python/cpython;

· lunixbochs opened on Mar 14, 2026

build.bat --tail-call-interp and errors/warnings in socketmodule

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

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

OS-windows

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

Status: Open.

#145929 In python/cpython;

· hunterhogan opened on Mar 13, 2026

Add _DuringGC functions for tp_traverse

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

topic-C-API

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145921 In python/cpython;

· encukou opened on Mar 13, 2026

Add MIME types for TTC and Haptics formats

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.

#145917 In python/cpython;

· clin1234 opened on Mar 13, 2026