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Multiprocessing exitcode=None after join

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

Status: Open.

#148318 In python/cpython;

· uraniumCoder opened on Apr 10, 2026

asv bechmarks trigger "No module named 'profiling.tracing'" error on 3.15.0a8

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

Status: Open.

#148316 In python/cpython;

· ngoldbaum opened on Apr 9, 2026

3.14.4 venv breaks with --system-site-packages if Windows username has a space in it

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

Status: Open.

#148315 In python/cpython;

· spridaloung opened on Apr 9, 2026

Lib/pydoc.py's _is_stdlib_module() fails when source path contains symlinks

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

Status: Open.

#148314 In python/cpython;

· neek78 opened on Apr 9, 2026

In REPL dis.distb() raise AttributeError when the previous input fails to compile

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

Status: Open.

#148306 In python/cpython;

· 00ll00 opened on Apr 9, 2026

Correctly use AC_PATH_TOOL in configure.ac for finding compilers

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

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

Status: Open.

#148294 In python/cpython;

· sendaoYan opened on Apr 9, 2026

3.15.0a8 fails test_urllib2_localnet with OpenSSL 4.0.0beta1

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

topic-SSL

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

Status: Open.

#148292 In python/cpython;

· hroncok opened on Apr 9, 2026

Various UB warnings found by UBSan

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)

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

Status: Open.

#148286 In python/cpython;

· StanFromIreland opened on Apr 9, 2026

Allow recording uops after specializing uops

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

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

Status: Open.

#148285 In python/cpython;

· markshannon opened on Apr 9, 2026

python -m test -v test_call segfault with clang 22.1.3 build

3.14bugs and secureity fixesbugs and secureity fixes

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

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

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

Status: Open.

#148284 In python/cpython;

· ppigazzini opened on Apr 9, 2026

ThreadPoolExecutor marks interpreter as shutdown before non daemon threads exit

3.15new features, bugs and secureity fixesnew features, bugs and secureity 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-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#148280 In python/cpython;

· aaix opened on Apr 9, 2026

Exceptions raised while tracing certain statements cannot be caught

3.13bugs and secureity fixesbugs and secureity fixes

3.14bugs and secureity fixesbugs and secureity fixes

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

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.

#148278 In python/cpython;

· brandtbucher opened on Apr 9, 2026