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Remove duplicated options test if Options.annotate or options.annotate and friends

cleanup

Status: Open.

#7963 In cython/cython;

· matusvalo opened on Sep 3, 2026

[BUG] list[T] class attribute no longer compiles with 3.3 due to auto_pickle

Status: Open.

#7939 In cython/cython;

· QuLogic opened on Aug 26, 2026

·  

3.3.1

[BUG] -Wunused-result warnings in generated code

Status: Open.

#7934 In cython/cython;

· Flamefire opened on Aug 26, 2026

Pure Python mode: len(obj) assignment without annotations automatically becomes Py_ssize_t

Status: Open.

#7933 In cython/cython;

· dg-pb opened on Aug 25, 2026

Don't fail with mismatched Cython ABI module types

Status: Open.

#7929 In cython/cython;

· da-woods opened on Aug 25, 2026

[BUG] C++: assigning a conditional expression into a container element generates a dangling __Pyx_FakeReference temporary

Status: Open.

#7927 In cython/cython;

· krishyshah opened on Aug 24, 2026

[BUG] 3.3.0 Regression: Python String type comparisons with bytestrings fail during cythonization

defect

Type Analysis

Status: Open.

#7924 In cython/cython;

· jeremyleung521 opened on Aug 24, 2026

·  

3.3.1

[BUG] 3.3.0 fails to cythonize code with a TypeError in generate_sequence_as_array_code

Status: Open.

#7921 In cython/cython;

· behrenhoff opened on Aug 24, 2026

[BUG] 3.3.0: "'x' redeclared" for dataclass fields with defaults when the cdef class is declared in an augmenting .pxd

Status: Open.

#7920 In cython/cython;

· ldeluigi opened on Aug 24, 2026

[BUG] abi3t / freethreading-limited-api-preview: CYTHON_USE_MODULE_STATE=1 together with Py_TARGET_ABI3T fails

Code Generation

defect

Status: Open.

#7905 In cython/cython;

· paultiq opened on Aug 20, 2026

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