Contributors ============ A total of 11 people contributed to this release. People with a "+" by their names contributed a patch for the first time. * Bas van Beek * Charles Harris * Ganesh Kathiresan * Gregory R. Lee * Hugo Defois + * Kevin Sheppard * Matti Picus * Ralf Gommers * Sayed Adel * Sebastian Berg * Thomas J. Fan Pull requests merged ==================== A total of 26 pull requests were merged for this release. * `#19311 `__: REV,BUG: Replace ``NotImplemented`` with ``typing.Any`` * `#19324 `__: MAINT: Fixed the return-dtype of ``ndarray.real`` and ``imag`` * `#19330 `__: MAINT: Replace ``"dtype[Any]"`` with ``dtype`` in the definiton of... * `#19342 `__: DOC: Fix some docstrings that crash pdf generation. * `#19343 `__: MAINT: bump scipy-mathjax * `#19347 `__: BUG: Fix arr.flat.index for large arrays and big-endian machines * `#19348 `__: ENH: add ``numpy.f2py.get_include`` function * `#19349 `__: BUG: Fix reference count leak in ufunc dtype handling * `#19350 `__: MAINT: Annotate missing attributes of ``np.number`` subclasses * `#19351 `__: BUG: Fix cast safety and comparisons for zero sized voids * `#19352 `__: BUG: Correct Cython declaration in random * `#19353 `__: BUG: protect against accessing base attribute of a NULL subarray * `#19365 `__: BUG, SIMD: Fix detecting AVX512 features on Darwin * `#19366 `__: MAINT: remove ``print()``'s in distutils template handling * `#19390 `__: ENH: SIMD architectures to show_config * `#19391 `__: BUG: Do not raise deprecation warning for all nans in unique... * `#19392 `__: BUG: Fix NULL special case in object-to-any cast code * `#19430 `__: MAINT: Use arm64-graviton2 for testing on travis * `#19495 `__: BUILD: update OpenBLAS to v0.3.17 * `#19496 `__: MAINT: Avoid unicode characters in division SIMD code comments * `#19499 `__: BUG, SIMD: Fix infinite loop during count non-zero on GCC-11 * `#19500 `__: BUG: fix a numpy.npiter leak in npyiter_multi_index_set * `#19501 `__: TST: Fix a ``GenericAlias`` test failure for python 3.9.0 * `#19502 `__: MAINT: Start testing with Python 3.10.0b3. * `#19503 `__: MAINT: Add missing dtype overloads for object- and ctypes-based... * `#19510 `__: REL: Prepare for NumPy 1.21.1 release.