[Python-announce] NumPy 2.4.3 Release

Hi All,

On behalf of the NumPy team, I'm pleased to announce the release of NumPy
2.4.3. The NumPy 2.4.3 is a patch release that fixes bugs discovered after
the 2.4.2 release. The most user visible fix may be a threading fix for
OpenBLAS on ARM, closing issue #30816.

This release supports Python versions 3.11-3.14. Wheels can be downloaded
from PyPI <https://pypi.org/project/numpy/2.4.3>; release notes and the
changelog are available on Github
<https://github.com/numpy/numpy/releases/tag/v2.4.3>.


*Contributors*

A total of 11 people contributed to this release. People with a "+" by
their names contributed a patch for the first time.

   - Antareep Sarkar +
   - Charles Harris
   - Joren Hammudoglu
   - Matthieu Darbois
   - Matti Picus
   - Nathan Goldbaum
   - Peter Hawkins
   - Pieter Eendebak
   - Sebastian Berg
   - Warren Weckesser
   - stratakis +


*Pull requests merged*

A total of 14 pull requests were merged for this release.

   - #30759: MAINT: Prepare 2.4.x for further development
   - #30827: BUG: Fix some leaks found via LeakSanitizer (#30756)
   - #30841: MAINT: Synchronize 2.4.x submodules with main
   - #30849: TYP: matlib: missing extended precision imports
   - #30850: BUG: Fix weak hash function in np.isin(). (#30840)
   - #30921: BUG: fix infinite recursion in
   np.ma.flatten_structured_array...
   - #30922: BUG: Fix buffer overrun in CPU baseline validation (#30877)
   - #30923: BUG: Fix busdaycalendar's handling of a bool array weekmask...
   - #30924: BUG: Fix reference leaks and NULL pointer dereferences (#30908)
   - #30925: MAINT: fix two minor issues noticed when touching the C API
   setup
   - #30955: ENH: Test .kind not .char in np.testing.assert_equal (#30879)
   - #30957: BUG: fix type issues in uses if PyDataType macros
   - #30958: MAINT: Don't use vulture 2.15, it has false positives
   - #30973: MAINT: update openblas (#30961)


Cheers,

Charles Harris
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