I want to second Ralf's comments about both the need for this and it being easy to get.

What is required to make this happen (specifically the easy to install build chain - pip install...)? It would be good to enumerate the outstanding issues.

The current difficulty of building extensions on Windows should not be underestimated. Microsoft seem to change how their various tools work, with different updated SDKs and removing tools and changing things (even retrospectively) quite regularly.

I've wasted quite a bit of time setting up windows machines to build the various flavours (bits and python version), only to find that the same strategy doesn't for some reason beyond my comprehension doesn't work on a different machine. Throw in different windows versions and the problem is pretty insurmountable and unsustainable.

To be clear, the current situation surely cannot be worse than a MinGW situation.