Maybe I will give it another look. The issue I was having is cut, copy, paste of cells would only work with text, or numbers, nothing else. I do a lot of copy and paste of some large ranges of cells the results were horrifying.

I use the full Wayland option on 15.0.
There are some problems with it, but maybe they come from running current for over a year before the 15.0 release and config residue in my ~. I wasn't bothered enough to post them here or try with a fresh user, or switch the session type.
- sometimes (maybe 50/50) after unlocking the screen it is black and I have to switch vt back and forth to see something on vt8 again
- lack of wl-copy as mralk3 mentioned
- gimp doesn't show an icon in the task bar

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Would have been to be expected, because the NVIDIA hardware never worked well with Wayland neither with Plasma5 or Gnome3, or Gnome4.

The reason is its proprietary crap, which has no support for the GBM used by anyone else. Only with the latest drivers and Mesa they got some kind of compatibility.

BUT, this does not means that Ubuntu switched fully to Xorg sessions. Because Ubuntu has advanced techniques of auto-configuration, and they will offer the Xorg sessions as default only on particular cases of The Blob worshipers.

Man, I strongly recommend you to use the standard Wayland sessions instead of Full Wayland!

I tell you this as the one who brought the standard and full Wayland sessions in the Slackware, borrowing them from openSUSE.

From my understanding, the Full Wayland sessions aren't for regular users, but for those who want to test the Wayland support on various KDE and GTK/Gnome applications. They are for debugging, not for daily usage of the regular users.

In the standard (mixed) Wayland session, an application may chose which graphical system it uses: Wayland or X11 (via XWayland) and an application usually would be instructed by its developers to choose X11 because it's not yet fully ported to Wayland.

Unless you have interests on testing the Wayland integration of KDE or GTK applications, the Full Wayland sessions does NOT gives you any advantages.

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