[SciPy-Dev] NumPy 1.21.2 released

[Charles R Harris]

Hi All,

On behalf of the NumPy team I am pleased to announce the release of NumPy
1.21.2. NumPy 1.21.2 is a maintenance release that fixes bugs discovered
after 1.21.1. It also provides 64 bit manylinux Python 3.10.0rc1 wheels for
downstream testing. Note that Python 3.10 is not yet final. There is also
preliminary support for Windows on ARM64 builds, but there is no OpenBLAS
for that platform and no wheels are available.

The Python versions supported for this release are 3.7-3.9. The 1.21.2
release is compatible with Python 3.10.0rc1 and Python 3.10 will be
officially supported after it is released. The previous problems with
gcc-11.1 have been fixed by gcc-11.2, check your version if you are using
gcc-11. Wheels can be downloaded from PyPI
<https://pypi.org/project/numpy/1.21.2/>; source archives, release notes,
and wheel hashes are available on Github
<https://github.com/numpy/numpy/releases/tag/v1.21.2>. Linux users will
need pip >= 0.19.3 in order to install manylinux2010 and manylinux2014
wheels.

*Contributors*

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


   - Bas van Beek
   - Carl Johnsen +
   - Charles Harris
   - Gwyn Ciesla +
   - Matthieu Dartiailh
   - Matti Picus
   - Niyas Sait +
   - Ralf Gommers
   - Sayed Adel
   - Sebastian Berg



*Pull requests merged*

A total of 18 pull requests were merged for this release.


   - #19497: MAINT: set Python version for 1.21.x to ``<3.11``
   - #19533: BUG: Fix an issue wherein importing ``numpy.typing`` could
   raise
   - #19646: MAINT: Update Cython version for Python 3.10.
   - #19648: TST: Bump the python 3.10 test version from beta4 to rc1
   - #19651: TST: avoid distutils.sysconfig in runtests.py
   - #19652: MAINT: add missing dunder method to nditer type hints
   - #19656: BLD, SIMD: Fix testing extra checks when ``-Werror`` isn't
   applicable...
   - #19657: BUG: Remove logical object ufuncs with bool output
   - #19658: MAINT: Include .coveragerc in source distributions to
   support...
   - #19659: BUG: Fix bad write in masked iterator output copy paths
   - #19660: ENH: Add support for windows on arm targets
   - #19661: BUG: add base to templated arguments for platlib
   - #19662: BUG,DEP: Non-default UFunc signature/dtype usage should be
   deprecated
   - #19666: MAINT: Add Python 3.10 to supported versions.
   - #19668: TST,BUG: Sanitize path-separators when running ``runtest.py``
   - #19671: BLD: load extra flags when checking for libflame
   - #19676: BLD: update circleCI docker image
   - #19677: REL: Prepare for 1.21.2 release.

Cheers

Charles Harris
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