Search results

The asyncio REPL does not manage the event loop properly

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

Status: Open.

#142784 In python/cpython;

· johnslavik opened on Dec 16, 2025

Use-after-free in <code>zoneinfo.get_weak_cache</code> via weak DECREF assumption

Status: Open.

#142783 In python/cpython;

· jackfromeast opened on Dec 16, 2025

Use-after-free in <code>zone_from_strong_cache</code> via re-entrant <code>ZoneInfo.clear_cache()</code> from key <code>__eq__</code>

Status: Open.

#142782 In python/cpython;

· jackfromeast opened on Dec 16, 2025

Type confusion in <code>zoneinfo_ZoneInfo_impl</code> via overridden cache <code>setdefault()</code>

Status: Open.

#142781 In python/cpython;

· jackfromeast opened on Dec 16, 2025

Python/perf_jit_trampoline.c: Header.reserved field uninitialized

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

Status: Open.

#142779 In python/cpython;

· stratakis opened on Dec 16, 2025

Leaked file descriptor in Python/import.c

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

Status: Open.

#142776 In python/cpython;

· stratakis opened on Dec 16, 2025

<code>generator.close()</code> doesn't clear frame on newly created generators

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.

#142766 In python/cpython;

· colesbury opened on Dec 15, 2025

Interaction of refcount elimination and constant propagation is complex to handle

topic-JIT

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#142764 In python/cpython;

· Fidget-Spinner opened on Dec 15, 2025

thread-safety issue in pure-Python <code>zoneinfo</code> cache on 3.13t

3.13bugs and security fixesbugs and security fixes

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

topic-free-threading

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

Status: Open.

#142763 In python/cpython;

· ariebovenberg opened on Dec 15, 2025

Build Windows debug extensions without debug Python

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

OS-windows

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#142760 In python/cpython;

· Andrej730 opened on Dec 15, 2025

Regression due to removal of quadratic behavior in node ID cache clearing (GH-142145)

release-blocker

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.

#142754 In python/cpython;

· stefanor opened on Dec 15, 2025

Thread safety of Mock and ThreadingMock

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.

#142752 In python/cpython;

· kumaraditya303 opened on Dec 15, 2025