Plasma developer David Edmundson demonstrates how a desktop using Wayland, Qt6 and KWin can recover from a catastrophic crash as if nothing had happened.
http://blog.davidedmundson.co.uk/blog/qt6_wayland_robustness/
You will lose no data, the video you were watching will not skip a frame, and the contents of your clipboard will remain intact.
The same principles can be applied to jumping from one desktop environment to another, for example, from #Plasma to #Gnome…
https://tube.kockatoo.org/w/gT1rKp7QWu7S4GYsKtw87x
… And can provide a way to save the state of an application to disk, stopping the app in its tracks and removing it from memory, so that later you can restore it just where you left off.
https://tube.kockatoo.org/w/3Sb8KKCmdQcPgoQsyK24YE