Early adopters are free to update to Catalina with the latest ARCHICAD 22 and BIMcloud 2019.4 updates and with ARCHICAD 23. Although, clients on business-critical projects are advised to keep working on macOS 10.14 for the time being.
Holger Kreienbrink Director Product Intelligence Munich, Germany Archicad since Version 5.... If I sound too harsh, please forgive me: I am German.