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Docs: error on page "1. Command line and environment"

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#149470 In python/cpython;

· KingSupernova31 opened on May 6, 2026

Add option to validate ElementTree during serialization

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

topic-XML

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149468 In python/cpython;

· serhiy-storchaka opened on May 6, 2026

Add Hook For Import-Related Events

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

topic-importlib

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149466 In python/cpython;

· ericsnowcurrently opened on May 6, 2026

Add os.pidfd_getfd(pidfd, targetfd, flags=0) syscall

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149464 In python/cpython;

· maurycy opened on May 6, 2026

JIT: segfault from _PyObject_LookupSpecialMethod

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

topic-JIT

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

Status: Open.

#149459 In python/cpython;

· devdanzin opened on May 6, 2026

Python 3.14 webbrowser regression when launching vscode:// URI on macOS

3.14bugs and security fixesbugs and security fixes

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

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.

#149454 In python/cpython;

· skissane-medallia opened on May 6, 2026

os.process_cpu_count() should take cgroups CPU limitations into account (on Linux)

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149452 In python/cpython;

· itamarst opened on May 6, 2026

Deleting unicodedata from sys.modules can cause pointer use-after-free

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

topic-unicode

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

Status: Open.

#149449 In python/cpython;

· stestagg opened on May 6, 2026

[BUILD] ensurepip: pip wheel paths install outside staged --root

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

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

topic-ensurepip

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

Status: Open.

#149444 In python/cpython;

· sulincix opened on May 6, 2026

Speed up inspect.getattr_static for the common-metaclass case

performancePerformance or resource usagePerformance or resource usage

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

topic-typing

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149436 In python/cpython;

· eendebakpt opened on May 5, 2026

profiling.sampling visualisation outputs have edge-case failures

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

topic-profiling

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

Status: Open.

#149430 In python/cpython;

· lkollar opened on May 5, 2026

Improve performance of re.compile() for patterns with character ranges

performancePerformance or resource usagePerformance or resource usage

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

topic-regex

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149427 In python/cpython;

· eendebakpt opened on May 5, 2026