I admit that I only played with this for an hour or so. Maybe I didn't do some of the necessary configs to get a good experience, I just followed the Arch wiki instructions.
I hope it's better on Ubuntu.
TBH Archlinux and NixOS have the easiest Nvidia experience because IIRC I think Ubuntu still defaults to Nouveau?
I used Arch for 2 years and Fedora for about a year. I just can't handle Linux as a daily driver anymore, I don't really want to deal with all the little annoyances anymore. Every couple of months I come back to see if things are improving.
I have zero issues with Windows. I don't do much dev work on this machine and when I do a VM is good enough for me.
I'm running EndevourOS (Arch), KDE Plasma 6 on X11 and rarely have issues. Wayland isn't nice to me though. And as long as XScreenSaver doesn't work on it I likely won't switch. The same for AutoKey, although Hawck seems to be an alternative (https://github.com/snyball/Hawck).
It's pretty rare to have a machine now days without integrated graphics so it's easy enough to just use the integrated GPU for the desktop environment and only use the dedicated/Nvidia GPU for games/CUDA stuff.
Zoom in Chrome sent my CPU usage to 100%, screen sharing was annoying and some of the options in that portal selection dialog weren't working.. Video playback in Firefox was freezing.
Switched back to X11 after an hour and things started working normally again.
And let's not pretend that Wayland implementations are without bugs. But it feels closer than I believed possible.