macOS Catalina (10.15), Big Sur (11.x) and Monterey (12.x)
Only the latest versions of Connect Fonts Desktop (previously Suitcase Fusion) version 22.x and higher are compatible with the latest versions of macOS Big Sur, Catalina and Monterey.
Additional Information:
Please use the following links for current System Requirements, OS Compatibility (by OS version) and Creative application compatibility:
Connect Fonts Desktop (previously Suitcase Fusion) Download and Support Page:
https://www.extensis.com/support/connect-fonts
System Requirements:
https://www.extensis.com/support/connect-fonts/system-requirements/?hsLang=en
Compatibility Chart:
https://www.extensis.com/support/connect-fonts-compatibility/?hsLang=en