NotedPlan is to first update all packages in 22.04 + use latest hwe kernel + latest available nvidia driver and then upgrade. Will take backup of os via timeshift.
Also read instructions for upgrade.
I think I'll go with upgrade, fresh install will have me do the setup/configure againBackup your data, update / upgrade apps drivers & kernel.
Install release upgrader core and then a simple release upgrade should sort the rest out, unless you really want to do a clean install.