I have found the snap user experience to be quite poor. Popups telling me I need to upgrade. The most annoying being Firefox, where it wants me to to not be running Firefox to upgrade, but fails to notice on reboot that now would be a good time to do that. Consequently even after multiple reboots it persists on the old version and complains about it.

I have the option of manually triggering the snap upgrade when I reboot, or to close everything and either manually trigger or leave the laptop not running anything in the hope will decide to update.

Am now fetching Firefox from packages.mozilla.org which helps that aspect a lot, but I'd rather not have to go through fixing the user experience each time I install.

Also, upgrade messages that seem to imply that there are security fixes being withheld because you do not have Ubuntu Pro are noxious.