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Sometimes, on Linux, tests jobs from Actions fail in 'install dependencies' entry.

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

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

Status: Open.

#149417 In python/cpython;

· YvesDup opened on May 5, 2026

Replace typing._LazyAnnotationLib with lazy import

topic-typing

type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)

Status: Open.

#149415 In python/cpython;

· sobolevn opened on May 5, 2026

3.14.x crashes with tail call interpreter and CFLAGS="-O2 -march=znver2"

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

Status: Open.

#149414 In python/cpython;

· thesamesam opened on May 5, 2026

typing.NoDefault is not tested to be final

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

topic-typing

Status: Open.

#149410 In python/cpython;

· sobolevn opened on May 5, 2026

Meta issue: improve documentation for implementation of the PEP 3118 in Python

docsDocumentation in the Doc dirDocumentation in the Doc dir

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

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

Status: Open.

#149402 In python/cpython;

· skirpichev opened on May 5, 2026

Expose Barrier in the multiprocessing.synchronize module.

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

Status: Open.

#149400 In python/cpython;

· YvesDup opened on May 5, 2026

Modify the __repr__ method of multiprocessing.[Barrier|Event] to be consistent with the other synchronization primitives.

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

Status: Open.

#149399 In python/cpython;

· YvesDup opened on May 5, 2026

atexit functions are not called when os.exec*() is called

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#149394 In python/cpython;

· gucci-on-fleek opened on May 5, 2026

Add 'Open Input in Editor' support to PyREPL

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

topic-replRelated to the interactive shellRelated to the interactive shell

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149392 In python/cpython;

· tanloong opened on May 5, 2026

asyncio: _ProactorBasePipeTransport._call_connection_lost leaks OSError [WinError 6] from PipeHandle.close() on Windows

OS-windows

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

topic-asyncio

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

Status: Open.

#149388 In python/cpython;

· mxschmitt opened on May 4, 2026

Optimize robotparser for long list of rules

performancePerformance or resource usagePerformance or resource usage

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.

#149381 In python/cpython;

· serhiy-storchaka opened on May 4, 2026

JIT: make recorder layouts stable across opcode families

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

topic-JIT

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149358 In python/cpython;

· cocolato opened on May 4, 2026