numpy changelog & breaking changes

v2.5.0

2026-06-21

⚠ Potential breaking changes

marking the end of distutils, and expires a large number of deprecations made
Distutils has been removed,
Many expired deprecations, see below,
Many new deprecations, see below,
Deprecations
numpy.char.chararray` is deprecated. Use an `ndarray` with a string or bytes dtype instead.
out=out` under the same-kind rule. A `DeprecationWarning` is given now
could be cast to the result (the wrong direction). This deprecation also
The `numpy.char.[as]array` functions are deprecated. Use an
Setting the dtype attribute is deprecated because mutating an array is unsafe

2026-06-02

⚠ Potential breaking changes

marking the end of distutils, and expires a large number of deprecations made
Distutils has been removed,
Many expired deprecations, see below,
Many new deprecations, see below,
Deprecations
numpy.char.chararray` is deprecated. Use an `ndarray` with a string or bytes dtype instead.
out=out` under the same-kind rule. A `DeprecationWarning` is given now
could be cast to the result (the wrong direction). This deprecation also
The `numpy.char.[as]array` functions are deprecated. Use an
Setting the dtype attribute is deprecated because mutating an array is unsafe

2026-05-19

No breaking-change keywords detected in release notes.

2026-05-15

⚠ Potential breaking changes

[#31211](https://github.com/numpy/numpy/pull/31211): DEP: Undo deprecation for np.dtype() signature used by old pickles\...
[#31383](https://github.com/numpy/numpy/pull/31383): CI: remove Cirrus CI FreeBSD job (#31380)

2026-03-29

⚠ Potential breaking changes

[#31084](https://github.com/numpy/numpy/pull/31084): MAINT: numpy.i: Replace deprecated `sprintf` with `snprintf`\...

2026-03-09

No breaking-change keywords detected in release notes.

2026-02-01

No breaking-change keywords detected in release notes.

2026-01-10

No breaking-change keywords detected in release notes.