Search results

Suggest a future feature name in from __future__ import

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145868 In python/cpython;

· Locked-chess-official opened on Mar 12, 2026

Convert more uops to leave their inputs on the stack to be cleaned up by _POP_TOP

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)

performancePerformance or resource usagePerformance or resource usage

topic-JIT

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145866 In python/cpython;

· markshannon opened on Mar 12, 2026

trace.CoverageResults.__init__ does not copy the counts dict

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

Status: Open.

#145865 In python/cpython;

· stefanzetzsche opened on Mar 12, 2026

[3.15] sys.set_lazy_imports_filter(...): Relative imports indistinguishable from absolute imports

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

Status: Open.

#145864 In python/cpython;

· USSX-Hares opened on Mar 12, 2026

BUILD_INTERPOLATION and BUILD_TEMPLATE perform unnecessary refcount operations

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145860 In python/cpython;

· markshannon opened on Mar 12, 2026

Remove DELETE_DEREF bytecode instruction

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145858 In python/cpython;

· markshannon opened on Mar 12, 2026

Remove DELETE_GLOBAL bytecode instruction

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

performancePerformance or resource usagePerformance or resource usage

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145857 In python/cpython;

· markshannon opened on Mar 12, 2026

plistlib.dumps() raises TypeError when skipkeys=True and dict has mixed key types

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.

#145856 In python/cpython;

· stefanzetzsche opened on Mar 12, 2026

Remove DELETE_ATTR bytecode instruction

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-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145855 In python/cpython;

· markshannon opened on Mar 12, 2026

Remove DELETE_NAME instruction

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-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145854 In python/cpython;

· markshannon opened on Mar 12, 2026

Change some implementation details in struct.Struct

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

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

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#145850 In python/cpython;

· serhiy-storchaka opened on Mar 12, 2026

_lsprof: Memory leak in clearEntries() context chain not fully freed

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.

#145846 In python/cpython;

· raminfp opened on Mar 12, 2026