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Add colours to argparse interpolated values in <code>--help</code>

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#141939 In python/cpython;

· alexprengere opened on Nov 25, 2025

http.client: CannotSendRequest after TimeoutError

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

Status: Open.

#141938 In python/cpython;

· 7cff opened on Nov 25, 2025

Python my abort if unable to completely write a .pyc file in one go

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

topic-importlib

topic-IO

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

Status: Open.

#141930 In python/cpython;

· stefanor opened on Nov 25, 2025

Support PGO in cross-compiles when transparent emulation is available

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#141926 In python/cpython;

· zanieb opened on Nov 24, 2025

Two unrelated ideas mixed in one paragraph of the tutorial (<code>sys.path</code> section)

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#141924 In python/cpython;

· dluschan opened on Nov 24, 2025

Some constants aren't listed as part of Limited API

docsDocumentation in the Doc dirDocumentation in the Doc dir

topic-C-API

Status: Open.

#141909 In python/cpython;

· encukou opened on Nov 24, 2025

Incremental GC double-counts work done during the marking phase

3.14bugs and security fixesbugs and security fixes

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

#141890 In python/cpython;

· brandtbucher opened on Nov 24, 2025

Code in top-level file loses access to variables in Interactive (REPL) session

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

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.

#141870 In python/cpython;

· palswim opened on Nov 23, 2025

JIT: invalid memory read in _PyEval_EvalFrameDefault

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.

#141861 In python/cpython;

· devdanzin opened on Nov 22, 2025

Optionally allow exceptions from multiprocessing forkserver preload imports to be raised

topic-multiprocessing

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#141860 In python/cpython;

· gpshead opened on Nov 22, 2025

Why doesn't Cpython have a fast path when a list is compared to itself?

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#141858 In python/cpython;

· dima179-fuse opened on Nov 22, 2025

IDLE crashes when Ctrl+S is pressed multiple times

OS-windows

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

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

topic-IDLE

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

Status: Open.

#141821 In python/cpython;

· stuffbymax opened on Nov 21, 2025