Hi @GuruGurra and welcome to the forum.
Is it possible that you have set the update check to follow the “Stable” channel? In that case we are still lagging a bit behind on getting an actual stable release out.
It is generally safe to update, and the process is meant to be seamless with no manual steps required. This update is slightly special in that it adds a mandatory API password. If you are not using Duplicati with the TrayIcon launcher, you need to set up a password (if you have not already).
In case you need to downgrade, the process is described here: