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gh-116738: Make syslog module thread-safe

awaiting merge

topic-free-threading

Status: Open (in progress).

python/cpythonnumber 136760

#136760 In python/cpython;

·yoney openedon Jul 18, 2025

<code>test_free_threading.test_monitoring</code> flaky (occasional reference leak)

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

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

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

topic-free-threading

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

Status: Open.

#136692 In python/cpython;

·colesbury openedon Jul 15, 2025

GH-116738: document thread-safety of bisect

awaiting core review

docsDocumentation in the Doc dirDocumentation in the Doc dir

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

topic-free-threading

Status: Open (in progress).

python/cpythonnumber 136555

#136555 In python/cpython;

·nascheme openedon Jul 11, 2025

[3.13] GH-133136: Revise QSBR to reduce excess memory held (gh-135473)

awaiting core review

topic-free-threading

Status: Open (in progress).

python/cpythonnumber 136480

#136480 In python/cpython;

·nascheme openedon Jul 9, 2025

gh-134043: use <code>_Py_dict_lookup_unicode_threadsafe_stackref</code> for dict lookup in <code>_PyObject_GetMethodStackRef</code>

awaiting core review

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topic-free-threading

Status: Open (in progress).

python/cpythonnumber 136412

#136412 In python/cpython;

·kumaraditya303 openedon Jul 8, 2025

gh-133296: Publicly expose critical section API that accepts PyMutex

awaiting merge

topic-free-threading

Status: Open (in progress).

python/cpythonnumber 135899

#135899 In python/cpython;

·ngoldbaum openedon Jun 24, 2025

Increased memory usage with free-threaded build

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

performancePerformance or resource usagePerformance or resource usage

topic-free-threading

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

Status: Open.

#135898 In python/cpython;

·nascheme openedon Jun 24, 2025

Non-blocking <code>_PyMutex_LockTimed</code> spins and may fail unnecessarily in no-GIL builds

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

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

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

topic-free-threading

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

Status: Open.

#135871 In python/cpython;

·jtibbertsma openedon Jun 24, 2025

Implement Py_DECREF specializations for Py_GIL_DISABLED build

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

performancePerformance or resource usagePerformance or resource usage

topic-free-threading

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#135832 In python/cpython;

·alex-semenyuk openedon Jun 23, 2025

Potential thread unsafety in test_free_threading.test_monitoring

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

topic-free-threading

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

Status: Open.

#135633 In python/cpython;

·emmatyping openedon Jun 17, 2025

Segfault from calling <code>StringIO</code> methods in threads on free-threading debug build

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

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

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

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.

#135410 In python/cpython;

·devdanzin openedon Jun 11, 2025

Automatically defer heavily shared objects in free-threading.

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

performancePerformance or resource usagePerformance or resource usage

topic-free-threading

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#134821 In python/cpython;

·Fidget-Spinner openedon May 28, 2025