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CALL_LIST_APPEND specialization can make no progress

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.

#141367 In python/cpython;

·Fidget-Spinner openedon Nov 10, 2025

Make <code>get_externals</code> tarball extraction handle platform-specific binaries

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

infraCI, GitHub Actions, buildbots, Dependabot, etc.CI, GitHub Actions, buildbots, Dependabot, etc.

topic-JIT

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#141362 In python/cpython;

·savannahostrowski openedon Nov 10, 2025

Refactor <code>test_decimal.py</code>

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

type-featureA feature request or enhancementA feature request or enhancement

type-refactorCode refactoring (with no changes in behavior)Code refactoring (with no changes in behavior)

Status: Open.

#141360 In python/cpython;

·efimov-mikhail openedon Nov 10, 2025

Assertion failure in Objects/unicodeobject.c <code>_PyUnicode_DecodeUnicodeEscapeInternal2: Assertion 'end - s &lt;= writer.size - writer.pos' failed</code>

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

topic-unicode

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

Status: Open.

#141336 In python/cpython;

·YuanchengJiang openedon Nov 10, 2025

Move <code>collections.deque</code> to a growable ring buffer for fast random access

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#141335 In python/cpython;

·matthiasgoergens openedon Nov 10, 2025

Assertion failure in Modules/_io/textio.c <code>_io_TextIOWrapper_tell_impl: Assertion 'skip_back &lt;= PyBytes_GET_SIZE(next_input)' failed</code>

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

topic-IO

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

Status: Open.

#141314 In python/cpython;

·YuanchengJiang openedon Nov 9, 2025

Assertion failure in Objects/rangeobject.c <code>compute_range_length: Assertion PyLong_Check(start)' failed</code>

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.

#141312 In python/cpython;

·YuanchengJiang openedon Nov 9, 2025

Assertion failure in Modules/_io/bytesio.c <code>_io_BytesIO_readinto_impl: Assertion 'self-&gt;pos + len &lt; PY_SSIZE_T_MAX' failed.</code>

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

topic-IO

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

Status: Open.

#141311 In python/cpython;

·YuanchengJiang openedon Nov 9, 2025

Provide <code>PyExpat_CheckCompatibility</code> to check C API compatibility

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

topic-C-API

topic-XML

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#141297 In python/cpython;

·picnixz openedon Nov 9, 2025

Save <code>pdb</code> Line History Between Runs

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.

#141295 In python/cpython;

·George-Ogden openedon Nov 9, 2025

Syntax warnings are duplicated in zipimport

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

topic-importlib

Status: Open.

#141276 In python/cpython;

·serhiy-storchaka openedon Nov 9, 2025

certain f/t-string expressions not copied correctly to debug str or interpolations

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)

topic-parser

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

Status: Open.

#141271 In python/cpython;

·tom-pytel openedon Nov 8, 2025