Thanks for asking! Lots can be done to improve Ubuntu and many important items have been mentioned already. Here’s a few that would really make a big difference IMO:
Fix Firefox so that I never see this error message in Firefox again (it seems to be an Ubuntu issue as I haven’t seen it happen on any other OS or distribution):
“Oops we updated your Firefox, please restart Firefox to continue”
There’s multiple software applications which make it really confusing. Some of them share the same logo as well, a grey version and a purple version but one goes to software settings and one goes to software updates. Very confusing. There’s also Ubuntu software. Gnome’s Software application is much nicer. Why isn’t that being used?