I have used Linux on and off for 15 years. I consider myself a casual user and stuck to the mainstream DEs (mostly KDE, XFCE and some Cinnamon). Gnome has been a hurdle for me before and after the big version 40 changes, I couldn’t get my head around how they handled the workspaces and workflow. At some point I I tried out an extension hat changed all of it.
It moves the workspaces to a vertical panel and the programs onto a horizontal panel. In a workspace you can view the programs full screen or tile them.
Several Programs inside a Workspace. It’s basically they same way Gnome works. However for some reason it just makes sense in my brain. No idea why. (I’m looking at WMs that work in a similar way atm. Maybe I’ll take the plunge away from DEs at some point)
Has such a small change ever saved a Desktop Environment for you and is essential if you ever install it?
Tiling addons. I like having a full DE, but I also want tiling, so Pop!_Shell on GNOME and Polonium on KDE are invaluable (and yes, COSMIC looks really promising).