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Support of mutually exclusive groups in the argparse help is very limited

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

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#142346 In python/cpython;

· serhiy-storchaka opened on Dec 6, 2025

Incorrect use of assembler constraints causes SIGILL on m68k

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.

#142342 In python/cpython;

· glaubitz opened on Dec 6, 2025

argparse does not strip the outer [] in a group in color mode

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.

#142332 In python/cpython;

· serhiy-storchaka opened on Dec 6, 2025

Sampling profiler fails to display user-defined function in IDLE when started with the run command

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

topic-profiling

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

Status: Open.

#142325 In python/cpython;

· smontanaro opened on Dec 5, 2025

Setting resource.RLIMIT_STACK not working on MacOS

OS-mac

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.

#142317 In python/cpython;

· boomanaiden154 opened on Dec 5, 2025

Pdb doesn't handle anonymous pipe symlinks

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

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.

#142315 In python/cpython;

· johnslavik opened on Dec 5, 2025

imaplib 3.14 regression: IMAP4.file became read-only property, breaking subclass overrides (affects imapclient IMAP4_TLS)

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

topic-email

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

Status: Open.

#142307 In python/cpython;

· seanthegeek opened on Dec 5, 2025

Improve error message for Element.remove()

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

topic-XML

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#142306 In python/cpython;

· serhiy-storchaka opened on Dec 5, 2025

JIT: Deduplicating GOT symbols in the trace

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.

#142305 In python/cpython;

· diegorusso opened on Dec 5, 2025

Tempfile.mkstemp file descriptor issue

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#142302 In python/cpython;

· QuiteAFoxtrot opened on Dec 5, 2025

Framework Info.plist on macOS version number formats do not follow Apple guideline

OS-mac

topic-installation

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

Status: Open.

#142295 In python/cpython;

· codeskipper opened on Dec 5, 2025

core dump in python -i from emacs

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

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

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

Status: Open.

#142284 In python/cpython;

· Oscar65 opened on Dec 5, 2025