My additional installation steps were:1)
pci=noaer to get rid of AER (Advanced Error Reporting) errors in kernel ring buffer (dmesg);i2c_designware) i did execute the procedure described in Stijn Tintel's blog (only do once!);~/.gpg,~/.ssh,~/.config/vivaldi/Default, together with .local/share/keyrings (else all saved passwords will be lost)~/.config/Nextcloud,~/.config/xfce4/panel,~/.config/gtk-3.0/bookmarks,