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Can dataclass ordering avoid tuple wrappers for singe field comparisons?

Status: Open.

#144191 In python/cpython;

· rhettinger opened on Jan 23, 2026

<code>get_type_hints</code> fails for <code>dataclass</code> in 3.14

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

Status: Open.

#144190 In python/cpython;

· bfrandeen opened on Jan 23, 2026

Add value recording to the trace recording JIT front-end

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

performancePerformance or resource usagePerformance or resource usage

topic-JIT

Status: Open.

#144179 In python/cpython;

· markshannon opened on Jan 23, 2026

Add public PyArg_ParseTupleAndKeywords API equivalent for METH_FASTCALL

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

topic-C-API

type-featureA feature request or enhancementA feature request or enhancement

Status: Open.

#144175 In python/cpython;

· rdb opened on Jan 23, 2026

test_complex.test_truediv can fail

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

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

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

Status: Open.

#144173 In python/cpython;

· encukou opened on Jan 23, 2026

tracemalloc: Heap-use-after-free in _Py_IsImmortal when destroying subinterpreters while tracing

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

topic-subinterpreters

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

Status: Open.

#144172 In python/cpython;

· YuanchengJiang opened on Jan 23, 2026

ast: Segfault in node constructor when passing non-string keyword arguments

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

topic-parser

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

Status: Open.

#144169 In python/cpython;

· YuanchengJiang opened on Jan 23, 2026

Function args sometimes not decref:ed after return

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

Status: Open.

#144165 In python/cpython;

· mandolaerik opened on Jan 22, 2026

Segfault in _testinternalcapi.assemble_code_object with LOAD_CLOSURE

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

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

Status: Open.

#144163 In python/cpython;

· YuanchengJiang opened on Jan 22, 2026

Inconsistent documentation: are interned strings immortal or not?

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#144161 In python/cpython;

· Prometheus3375 opened on Jan 22, 2026

Missing 'linear-white-space' between encoded-word in RFC2047 header

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.

#144156 In python/cpython;

· guewen opened on Jan 22, 2026

Soft deprecate urllib.parse.urlparse()

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

docsDocumentation in the Doc dirDocumentation in the Doc dir

Status: Open.

#144148 In python/cpython;

· serhiy-storchaka opened on Jan 22, 2026