After overwriting, old versions may linger in memory.
Windows:
net stop FontCache
del %WinDir%\ServiceProfiles\LocalService\AppData\Local\FontCache\*.dat
net start FontCache
Then restart.
macOS:
sudo atsutil databases -remove
sudo atsutil server -shutdown
sudo atsutil server -ping
Then restart.
Linux:
fc-cache -fv && sudo systemctl restart fontconfig
The "UPD" stands for "Updated," but it is not just a minor patch. This is a comprehensive overhaul. The developer rebuilt the font file from the ground up, addressing the core complaints of the design community. hypologic free font upd
The UPD version isn't a single file; it is a small family. You now get: