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2.3.5 (Nov 16, 2025)

NumPy 2.3.5 Release Notes

The NumPy 2.3.5 release is a patch release split between a number of maintenance updates and bug fixes. This release supports Python versions 3.11-3.14.

Contributors

A total of 10 people contributed to this release. People with a "+" by their names contributed a patch for the first time.

• Aaron Kollasch +
• Charles Harris
• Joren Hammudoglu
• Matti Picus
• Nathan Goldbaum
• Rafael Laboissière +
• Sayed Awad
• Sebastian Berg
• Warren Weckesser
• Yasir Ashfaq +

Pull requests merged

A total of 16 pull requests were merged for this release.

• #29979: MAINT: Prepare 2.3.x for further development
• #30026: SIMD, BLD: Backport FPMATH mode on x86-32 and filter successor...
• #30029: MAINT: Backport write_release.py
• #30041: TYP: Various typing updates
• #30059: BUG: Fix np.strings.slice if stop=None or start and stop >= len...
• #30063: BUG: Fix np.strings.slice if start > stop
• #30076: BUG: avoid negating INT_MIN in PyArray_Round implementation (#30071)
• #30090: BUG: Fix resize when it contains references (#29970)
• #30129: BLD: update scipy-openblas, use -Dpkg_config_path (#30049)
• #30130: BUG: Avoid compilation error of wrapper file generated with SWIG...
• #30157: BLD: use scipy-openblas 0.3.30.7 (#30132)
• #30158: DOC: Remove nonexistent order parameter docs of ma.asanyarray...
• #30185: BUG: Fix check of PyMem_Calloc return value. (#30176)
• #30217: DOC: fix links for newly rebuilt numpy-tutorials site
• #30218: BUG: Fix build on s390x with clang (#30214)
• #30237: ENH: Make FPE blas check a runtime check for all apple arm systems

• c3d60fc Merge pull request #30238 from charris/prepare-2.3.5
• 11451fa REL: Prepare for the NumPy 2.3.5 release
• eab5bd4 Merge pull request #30237 from charris/backport-30102
• 7cea31a Fixup merge of multiarraymodule.c
• b898173 Update numpy/_core/src/common/blas_utils.h
• f755483 Report FPE ignoring in matmul in show_runtime()
• c47116f Move test to Python
• bd7b93f ooops, needs to be a calloc of course.
• 83a1517 Guard for HAVE_CBLAS and always compile the helpers
• ab680ef ENH: Make FPE blas check a runtime check for all arm systems
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