NumPy 2.3.1 Release Notes

The NumPy 2.3.1 release is a patch release with several bug fixes, annotation improvements, and better support for OpenBSD. Highlights are:

Fix bug in matmul for non-contiguous out kwarg parameter
Fix for Accelerate runtime warnings on M4 hardware
Fix new in NumPy 2.3.0 np.vectorize casting errors
Improved support of cpu features for FreeBSD and OpenBSD

This release supports Python versions 3.11-3.13, Python 3.14 will be supported when it is released.

Contributors

A total of 9 people contributed to this release. People with a "+" by their names contributed a patch for the first time.

Brad Smith +
Charles Harris
Developer-Ecosystem-Engineering
François Rozet
Joren Hammudoglu
Matti Picus
Mugundan Selvanayagam
Nathan Goldbaum
Sebastian Berg

Pull requests merged

A total of 12 pull requests were merged for this release.

#29140: MAINT: Prepare 2.3.x for further development

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