Warning: Python 3.9 dropped the support for Windows 7.
So we first need to drop ourselves the Windows 7 support before doing that upgrade (edit: done with NXDRIVE-2482).
Prevent upgrading from Windows 7
Windows 64 bits
Upgrade Python from 3.8.6 to 3.8.7
[macOS] Apple Silicon support
PR for master: #2350
PR for master: #2475