Search results

calendar.IllegalMonthError docs omit IndexError base class

Status: Open.

#148663 In python/cpython;

· EoinTrial opened on Apr 17, 2026

Crash: use-after-free in OrderedDict_copy_impl

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

#148660 In python/cpython;

· kdsjZh opened on Apr 16, 2026

Export functions necessary to implement JIT compilers

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.

#148659 In python/cpython;

· DinoV opened on Apr 16, 2026

datetime.astimezone() returns DST name for negative timestamp on Windows

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

OS-windows

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

Status: Open.

#148658 In python/cpython;

· ynkdir opened on Apr 16, 2026

Crash: marshal.loads SIGSEGV on self-referencing TYPE_TUPLE with FLAG_REF

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.

#148653 In python/cpython;

· mjbommar opened on Apr 16, 2026

Leak: _zstd.ZstdDecompressor() leaks a reference on invalid option key

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.

#148651 In python/cpython;

· mjbommar opened on Apr 16, 2026

Crash: mmap access can SIGBUS after backing file is truncated

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

Status: Open.

#148650 In python/cpython;

· mjbommar opened on Apr 16, 2026

Add unicode tips for SyntaxError suggestion

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-unicode

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148649 In python/cpython;

· Locked-chess-official opened on Apr 16, 2026

Add a way to ignore JIT stencil digest

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

topic-JIT

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148646 In python/cpython;

· hroncok opened on Apr 16, 2026

PCbuild/build.bat does not propagate the PGO test run exit code

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

OS-windows

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

Status: Open.

#148644 In python/cpython;

· rdesgroppes opened on Apr 16, 2026

Implement PEP 829 - Package Startup Configuration

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

DO-NOT-MERGE

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.

#148641 In python/cpython;

· warsaw opened on Apr 16, 2026

Implement PEP 800: typing.disjoint_base

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-typing

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#148639 In python/cpython;

· JelleZijlstra opened on Apr 16, 2026