mac4kent
mac4kent
add-ons and extension is same. add-ons doesn't have support uninstall. Only Extension because of Legacy.
 
when you put upload to Extension only support for Blender 4.2 and up
I put all checkbox turn on of all UI see below.  and 3D Viewport Font appear.
Oops miss show. take screenshot again.  Also don't forget to add ~/Library/Fonts/ too 