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BUG: np.rot90 treats any non-integer float k as k=-1 (clockwise 90°) except for a few exact integer values in version 2.0.2

00 - Bug

Status: Open.

#31342 In numpy/numpy;

· xiaochen123-Tiara opened on Apr 27, 2026

chebyshev derivative

Status: Open.

#31340 In numpy/numpy;

· unalmis opened on Apr 27, 2026

BUG: Failed to build numpy 2.4.4 on Windows using intel compiler

00 - Bug

Status: Open.

#31337 In numpy/numpy;

· yojeep opened on Apr 26, 2026

Query: extremely large single field size dtype support

33 - QuestionQuestion about NumPy usage or developmentQuestion about NumPy usage or development

Status: Open.

#31308 In numpy/numpy;

· tylerjereddy opened on Apr 22, 2026

ENH: Simplify/allow stable ABI use for user DTypes

Status: Open.

#31301 In numpy/numpy;

· seberg opened on Apr 22, 2026

DOC: histogram2d behaves ambigiously on specific cases on bins

04 - Documentation

Status: Open.

#31296 In numpy/numpy;

· JosephMehdiyev opened on Apr 21, 2026

BUG: recarray doesn't have a proper _set_dtype method ?

00 - Bug

Status: Open.

#31295 In numpy/numpy;

· neutrinoceros opened on Apr 21, 2026

ENH: memory-efficient np.cov for n_samples >> n_features

Status: Open.

#31292 In numpy/numpy;

· bruAristimunha opened on Apr 21, 2026

BUG, DOC: dtype_to_descr and descr_to_dtype do not round-trip top-level subarray dtypes

00 - Bug

04 - Documentation

Status: Open.

#31280 In numpy/numpy;

· wuxian08 opened on Apr 20, 2026

ENH: NUMPY_MADVISE_HUGEPAGE is not honored for memmap objects

Status: Open.

#31279 In numpy/numpy;

· aadya940 opened on Apr 20, 2026

TYP: should array.__array__ accept npt.DTypeLike?

41 - Static typing

Status: Open.

#31269 In numpy/numpy;

· MarcoGorelli opened on Apr 17, 2026

DOC: Add documentation about how to use NumPy with the Python limited API

04 - Documentation

39 - free-threadingPRs and issues related to support for free-threading CPython (a.k.a. no-GIL, PEP 703)PRs and issues related to support for free-threading CPython (a.k.a. no-GIL, PEP 703)

Status: Open.

#31259 In numpy/numpy;

· ngoldbaum opened on Apr 16, 2026