After upgrade app keeps crashing and won't even open, also how can I not lose my configuration , which directory do i backup

[yang (Yang.Y)]

I've reproduced crash problem, install the latest version of Core Helper should fix that issue:

Core Helper

Core Helper is not required for Core Shell (Setapp) In order to work with local terminal, authentication agent, system configurations and other advanced features, you must install Core Helper. How to install? Download Core Helper Installer application using the link below: Core Shell / Tunnel >= 3.6: Download Core Helper 6.6 Installer Core Shell / Tunnel == 3.5.1: Download Core Helper 6.4 Installer When the download is complete, launch Core Helper Installer by dou…

Sorry again for this version check oversight.