No win32 wheel for Python 3.10

[domdfcoding]

The current scipy release on PyPI lacks win32 (32 bit Windows) wheels for Python 3.10. There are win32 wheels for Python 3.9 and 3.8, along with win_amd64 wheels for all three Python versions.

Is this a deliberate decision? I looked through the changelog and other issues and couldn't see anything to suggest it was.

[ilayn]

Yes 32-bit wheels are going to be dropped 1.8.0 onwards and Python 3.10.

[tupui]

I believe we can close this. We have some extensive discussions on the wheels repo and it's something we will not forget to discuss moving forward.

[tylerjereddy]

I think I recently saw Chuck confirm that such wheels would be possible to generate here: MacPython/numpy-wheels#157 (comment)

Not sure we'd want to spend energy on that though.

[rgommers]

I'm about to post a write-up about 32-bit Windows binaries going forward. We may want to drop these indeed, but it needs to be decided for the ecosystem as a whole.

[rgommers]

Related: there is currently no 32-bit compiler toolchain to build wheels with for Meson. Could be fixed, but is a lot of work. Dropping wheels would make sense. It doesn't preclude stragglers using MSVC + Intel Fortran to build SciPy for 32-bit. That's just not something we can do for official wheels.

[rgommers]

Also to point out where you can find 32-bit Windows binaries:

• https://www.lfd.uci.edu/~gohlke/pythonlibs/#scipy has wheels
• The Anaconda distribution has a 32-bit flavor: https://www.anaconda.com/products/distribution