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.. currentmodule:: numpy

==========================
NumPy 1.21.5 Release Notes
==========================

NumPy 1.21.5 is a maintenance release that fixes a few bugs discovered after
the 1.21.4 release and does some maintenance to extend the 1.21.x lifetime.
The Python versions supported in this release are 3.7-3.10. If you want to
compile your own version using gcc-11, you will need to use gcc-11.2+ to avoid
problems.

Contributors
============

A total of 7 people contributed to this release.  People with a "+" by their
names contributed a patch for the first time.

* Bas van Beek
* Charles Harris
* Matti Picus
* Rohit Goswami
* Ross Barnowski
* Sayed Adel
* Sebastian Berg

Pull requests merged
====================

A total of 11 pull requests were merged for this release.

* `#20357 <https://github.com/numpy/numpy/pull/20357>`__: MAINT: Do not forward ``__(deep)copy__`` calls of ``_GenericAlias``...
* `#20462 <https://github.com/numpy/numpy/pull/20462>`__: BUG: Fix float16 einsum fastpaths using wrong tempvar
* `#20463 <https://github.com/numpy/numpy/pull/20463>`__: BUG, DIST: Print os error message when the executable not exist
* `#20464 <https://github.com/numpy/numpy/pull/20464>`__: BLD: Verify the ability to compile C++ sources before initiating...
* `#20465 <https://github.com/numpy/numpy/pull/20465>`__: BUG: Force ``npymath` ` to respect ``npy_longdouble``
* `#20466 <https://github.com/numpy/numpy/pull/20466>`__: BUG: Fix failure to create aligned, empty structured dtype
* `#20467 <https://github.com/numpy/numpy/pull/20467>`__: ENH: provide a convenience function to replace npy_load_module
* `#20495 <https://github.com/numpy/numpy/pull/20495>`__: MAINT: update wheel to version that supports python3.10
* `#20497 <https://github.com/numpy/numpy/pull/20497>`__: BUG: Clear errors correctly in F2PY conversions
* `#20613 <https://github.com/numpy/numpy/pull/20613>`__: DEV: add a warningfilter to fix pytest workflow.
* `#20618 <https://github.com/numpy/numpy/pull/20618>`__: MAINT: Help boost::python libraries at least not crash