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Invalid SHELL in Makefile for AIX builds?

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

OS-unsupported

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

Status: Open.

#149021 In python/cpython;

· sideeffect42 opened on Apr 26, 2026

[security] Insufficient entropy in pyexpat with protection against hash flooding

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

topic-XML

type-securityA security issueA security issue

Status: Open.

#149018 In python/cpython;

· hartwork opened on Apr 26, 2026

[security] Please upgrade bundled Expat to 2.8.0 (e.g. for the fix to CVE-2026-41080)

3.10only security fixesonly security fixes

3.11only security fixesonly security fixes

3.12only security fixesonly security fixes

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-XML

type-securityA security issueA security issue

Status: Open.

#149017 In python/cpython;

· hartwork opened on Apr 26, 2026

bdb.clear_all_file_breaks skips breakpoints when multiple breakpoints share a line

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.

#149015 In python/cpython;

· kioscos365olav-debug opened on Apr 26, 2026

test_lazy_import: add coverage for reload() and sys.modules deletion after reification

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

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

topic-lazy-imports

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149013 In python/cpython;

· XiaoWan-zi opened on Apr 26, 2026

[3.15] Uninstaller fails with infinite Error 5 loop on non-C: drive — orphaned registry entries across 5 locations

OS-windows

topic-installation

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

Status: Open.

#149012 In python/cpython;

· yadiki opened on Apr 26, 2026

Improve inspect module CLI handling of non-source modules

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

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#149010 In python/cpython;

· ncoghlan opened on Apr 26, 2026

_remote_debugging: binary reader does not enforce thread_count

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.

#149009 In python/cpython;

· maurycy opened on Apr 26, 2026

arraymodule, _decimal: possible lazy import caches reference leaks in free-threaded builds

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

Status: Open.

#149006 In python/cpython;

· maurycy opened on Apr 26, 2026

Race in pickle.dumps/loads per-interpreter cache leaks references

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

topic-subinterpreters

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

Status: Open.

#149000 In python/cpython;

· CharlieKerfoot opened on Apr 26, 2026

Replace/remove links to Python wiki in the docs

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#148998 In python/cpython;

· StanFromIreland opened on Apr 25, 2026

Add colour to tokenize CLI output

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.

#148991 In python/cpython;

· hugovk opened on Apr 25, 2026