NumPy 2.4.2 Release Notes

The NumPy 2.4.2 is a patch release that fixes bugs discovered after the
2.4.1 release. Highlights are:

• Fixes memory leaks
• Updates OpenBLAS to fix hangs

This release supports Python versions 3.11-3.14

Contributors

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

• Charles Harris
• Daniel Tang +
• Joren Hammudoglu
• Kumar Aditya
• Matti Picus
• Nathan Goldbaum
• Ralf Gommers
• Sebastian Berg
• Vikram Kumar +

Pull requests merged

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

• #30629: MAINT: Prepare 2.4.x for further development
• #30636: TYP: arange: accept datetime strings
• #30657: MAINT: avoid possible race condition by not touching os.environ...
• #30700: BUG: validate contraction axes in tensordot (#30521)
• #30701: DOC: __array_namespace__info__: set_module not __module__ (#30679)
• #30702: BUG: fix free-threaded PyObject layout in replace_scalar_type_names...
• #30703: TST: fix limited API example in tests for latest Cython
• #30709: BUG: Fix some bugs found via valgrind (#30680)
• #30712: MAINT: replace ob_type access with Py_TYPE in PyArray_CheckExact
• #30713: BUG: Fixup the quantile promotion fixup
• #30736: BUG: fix thread safety of array_getbuffer (#30667)
• #30737: backport scipy-openblas version change