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[BUG] Cython >= 3.1.0 regression on PyPy3.11 7.3.20, affecting httptools

Status: Open.

#7202 In cython/cython;

· mgorny opened on Oct 10, 2025

Use of <code>_PyDict_NewPresized()</code> is not optimal

Status: Open.

#7201 In cython/cython;

· methane opened on Oct 10, 2025

[BUG] _PyObject_GetDictPtr used by cython is not safe in free-threading

Status: Open.

#7200 In cython/cython;

· kumaraditya303 opened on Oct 10, 2025

[BUG] from-import code is redundant

Code Generation

defect

Status: Open.

#7199 In cython/cython;

· scoder opened on Oct 10, 2025

[BUG] Compiler crash on generator closure

defect

Type Analysis

Status: Open.

#7196 In cython/cython;

· refack opened on Oct 8, 2025

MSVC raises <code>warning C4551: function call missing argument list</code>

Status: Open.

#7194 In cython/cython;

· leofang opened on Oct 5, 2025

[BUG] Fails to preprocess an array of struct inside another struct

defect

Type Analysis

Status: Open.

#7191 In cython/cython;

· pulkin opened on Oct 4, 2025

What if <code>Py_LIMITED_API</code> is larger than <code>PY_VERSION_HEX</code>?

Status: Open.

#7185 In cython/cython;

· dalcinl opened on Oct 2, 2025

<code>PyType_FromModuleAndSpec</code> and the Stable ABI

Status: Open.

#7181 In cython/cython;

· dalcinl opened on Oct 1, 2025

[BUG] Using @functools.singledispatchmethod over @classmethod fails

Status: Open.

#7172 In cython/cython;

· roastduck opened on Sep 26, 2025

[BUG] "test_coroutines_pep492" extremely slow on macos

defect

Testing

Status: Open.

#7171 In cython/cython;

· scoder opened on Sep 26, 2025

wrong architecture errors on Mac?

Status: Open.

#7165 In cython/cython;

· da-woods opened on Sep 19, 2025