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docsDocumentation in the Doc dirDocumentation in the Doc dir

infraCI, GitHub Actions, buildbots, Dependabot, etc.CI, GitHub Actions, buildbots, Dependabot, etc.

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145000 In python/cpython;

·encukou openedon Feb 19, 2026

Optimize memoryview comparison: a memoryview is equal to itself

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#144995 In python/cpython;

·vstinner openedon Feb 19, 2026

<code>test_sys</code> fails with <code>PYTHON_JIT_STRESS=1</code>

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

topic-JIT

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

Status: Open.

#144991 In python/cpython;

·markshannon openedon Feb 19, 2026

Expose special method lookup at Python level

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.

#144989 In python/cpython;

·tanloong openedon Feb 19, 2026

Memory leak in <code>atexit.register()</code>: missing <code>Py_DECREF</code> for <code>func_args</code> tuple

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

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

Status: Open.

#144986 In python/cpython;

·ashm-dev openedon Feb 19, 2026

NULL deref + Double Py_DECREF in pyexpat ExternalEntityParserCreate()

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

topic-XML

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

Status: Open.

#144984 In python/cpython;

·raminfp openedon Feb 19, 2026

PyUnstable_Code_SetExtra and PyUnstable_Code_GetExtra are not thread-safe in free-threaded builds

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.

#144981 In python/cpython;

·yoney openedon Feb 18, 2026

wave: setframerate() accepts invalid frame rate values that round to zero

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.

#144975 In python/cpython;

·mbeijen openedon Feb 18, 2026

<code>dict_traverse</code> crash during PGO training on Windows with JIT enabled

OS-windows

topic-JIT

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

Status: Open.

#144970 In python/cpython;

·savannahostrowski openedon Feb 18, 2026

the usage of threshold1 for the GC is not correctly explained

docsDocumentation in the Doc dirDocumentation in the Doc dir

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

Status: Open.

#144960 In python/cpython;

·arnaudlegout openedon Feb 18, 2026

-m asyncio -c 'await foo'

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.

#144958 In python/cpython;

·chrysn openedon Feb 18, 2026

PEP810 lazy from imports ignore module <code>__getattr__</code> when reifying

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.

#144957 In python/cpython;

·DavidCEllis openedon Feb 18, 2026