All issues

Search results

Optimise plain Python object creation in CPython

Status: Open.

#7886 In cython/cython;

· scoder opened on Aug 5, 2026

Refactor call nodes

cleanup

Status: Open.

#7885 In cython/cython;

· scoder opened on Aug 4, 2026

[ENH] Infer the result type of python functions

enhancement

Type Analysis

Status: Open.

#7882 In cython/cython;

· matusvalo opened on Aug 1, 2026

[BUG] Shared utility module fails in coverage analysis

Build System

defect

Status: Open.

#7872 In cython/cython;

· scoder opened on Jul 30, 2026

[ENH] cpython.weakref: Add PyWeakref_IsDead (and backport to Python < 3.14)

enhancement

Library

Status: Open.

#7869 In cython/cython;

· mkoeppe opened on Jul 30, 2026

[BUG] Py 3.12+ Segfault in __Pyx_AddTraceback → PyTraceBack_Here when an error path is reached with no exception set

Status: Open.

#7857 In cython/cython;

· Dreamsorcerer opened on Jul 26, 2026

[ENH] Specialization of __getitem__/__setitem__ for object types

Status: Open.

#7851 In cython/cython;

· dg-pb opened on Jul 23, 2026

[BUG] cygdb can't break in Python code

Status: Open.

#7836 In cython/cython;

· clayote opened on Jul 18, 2026

[ENH] Create "implicit" fused types by function call usage

Cython Language Feature

feature

Status: Open.

#7834 In cython/cython;

· scoder opened on Jul 18, 2026

[ENH] Add "cython.error_return" as explicit return type

Cython Language Feature

Status: Open.

#7829 In cython/cython;

· scoder opened on Jul 17, 2026

[BUG] Explicit fused function exception specifications fail with "cannot coerce to type that isn't specialized"

Status: Open.

#7819 In cython/cython;

· da-woods opened on Jul 13, 2026

Use sub-commands in cython CLI

Build System

feature

Status: Open.

#7802 In cython/cython;

· scoder opened on Jul 7, 2026