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Cannot use lazy translation proxies in argparse help

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.

#148468 In python/cpython;

· edgarrmondragon opened on Apr 12, 2026

TextIOBase class should be under the I/O Base Classes section

docsDocumentation in the Doc dirDocumentation in the Doc dir

easy

topic-IO

Status: Open.

#148467 In python/cpython;

· habib-source opened on Apr 12, 2026

__ctype_{be,le}__ attributes missing for ctypes.c_*_complex types

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

Status: Open.

#148464 In python/cpython;

· jorenham opened on Apr 12, 2026

CYGWIN: warning on missing secure randomness function

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.

#148461 In python/cpython;

· carlo-bramini opened on Apr 12, 2026

abc.register changes tp_flags without updating type_version

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.

#148450 In python/cpython;

· cocolato opened on Apr 12, 2026

BTPROTO_L2CAP not exposed on Windows despite Winsock supporting it

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

OS-windows

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148449 In python/cpython;

· Leclowndu93150 opened on Apr 12, 2026

xml.sax expatreader: entity stack not cleaned up after error in external_entity_ref()

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

topic-XML

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

Status: Open.

#148448 In python/cpython;

· WYSIATI opened on Apr 12, 2026

Use "zero of any numeric type" instead of "numeric zero of all types" in "Truth Value Testing" section

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#148444 In python/cpython;

· siliconforks opened on Apr 12, 2026

Recursive _testcapi.pyobject_vectorcall() aborts with fatal stack overflow instead of raising RecursionError in a small-stack thread

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

Status: Open.

#148443 In python/cpython;

· ashm-dev opened on Apr 12, 2026

list's rich comparison has a race condition for non-trivial __eq__ and may return an incorrect result

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.

#148442 In python/cpython;

· KowalskiThomas opened on Apr 12, 2026

Heap Buffer Overflow in pyexpat Character Data Buffering

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

topic-XML

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

Status: Open.

#148441 In python/cpython;

· scovetta opened on Apr 12, 2026

JIT: _Py_uop_sym_set_recorded_type may receive a non-type at trace optimization time.

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

topic-JIT

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

Status: Open.

#148439 In python/cpython;

· Fidget-Spinner opened on Apr 12, 2026