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Improve debugging of Expat handlers return value

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146563 In python/cpython;

· picnixz opened on Mar 28, 2026

JIT optimize dict access with consts with known hash

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

performancePerformance or resource usagePerformance or resource usage

topic-JIT

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146558 In python/cpython;

· kumaraditya303 opened on Mar 28, 2026

annotationlib.get_annotations() infinite loop on __wrapped__ cycle (eval_str=True)

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

topic-typing

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

Status: Open.

#146556 In python/cpython;

· raminfp opened on Mar 28, 2026

Infinite Loop in typing.get_type_hints() via Circular __wrapped__

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

topic-typing

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

Status: Open.

#146553 In python/cpython;

· raminfp opened on Mar 28, 2026

Improve ctypes startup time

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

performancePerformance or resource usagePerformance or resource usage

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

topic-ctypes

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146547 In python/cpython;

· jonathandung opened on Mar 28, 2026

Android testbed fails to build for 32-bit targets

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

Status: Open.

#146541 In python/cpython;

· robertkirkman opened on Mar 28, 2026

PyMutex re-entrancy not documented, confusing existing doc

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#146536 In python/cpython;

· rogerbinns opened on Mar 27, 2026

test_wm_iconbitmap() timeout after 10 min on "macOS / build and test (macos-26-intel)" CI

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

topic-tkinter

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

Status: Open.

#146531 In python/cpython;

· vstinner opened on Mar 27, 2026

Add a module for monitoring GC statistics

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.

#146527 In python/cpython;

· sergey-miryanov opened on Mar 27, 2026

Add ndim validation to PyBuffer_ToContiguous for defense-in-depth

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

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

topic-C-API

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146525 In python/cpython;

· l3tchupkt opened on Mar 27, 2026

Segfault at exit when calling sys.activate_stack_trampoline("perf") after loading a native library

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.

#146522 In python/cpython;

· GuillaumeLagrange opened on Mar 27, 2026

Consider specialized syntax error for && and ||

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

topic-parser

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#146495 In python/cpython;

· brianschubert opened on Mar 26, 2026