Your font manager.

Fonts used to be an install-and-forget thing, but many of are now updated regularly. fontman helps you keep track of the fonts you installed and updates them from GitHub.

Install with

pip install fontman

and use as

fontman install microsoft/cascadia-code rsms/inter ibm/plex==v5.1.3

Other commands are remove and update

fontman up

which updates all your installed fonts.