Update triggered with the tool mintupgrade “sudo mintupgrade check”, if not present “apt install mintupgrade”
Was a bit scared when the Fonts were upgraded and the app names got crypted, but that was fixed during the update. You need to have a system snapshot with timeshift in order to perform the update. Update was performed on an AMD System 5950x with a RTX 3080 with encrypted disk. Took half an hour, but thats fine.
I think there will be an official guide in the next few days, but for me was smooth enough without the exception that my cable network needed to be added manually after the upgrade and howdy does not work anymore.