this post was submitted on 10 Oct 2023
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It's not great on Nvidia. KDE's dev team have announced a big Plasma update, specifically focused on Wayland support to be released around February.
I have a 3090 and some stuff works, some stuff doesn't. I am forced to use it because X will lock refresh rates to the rate of the lowest monitor, so my 165hz screens were not being used to their fullest until I swapped over to Wayland which supports multiple monitor refresh rates.
Often I will find system components freezing up. The task bar, for example, will often stop being useable and freeze up. I have had the digital clock widget freeze up on me, which requires a relog to fix. It also doesn't totally work on transparent themes, rendering them without the translucency.
Thankfully this has been tracked down, and will be fixed for Plasma 6. If you run into it, you can hit Alt+F2 and run
kwin_wayland --replace
which will restart the shell.If you go into edit mode, and edit the task bar widget that shows your running applications, disable the option that shows window previews upon hovering over the application. Apparently that is the thing that causes the renderer to fail on non Intel GPU systems. Here's the bug report that goes over the whole history if you're interested.
Definitely feel you on the overall Nvidia Wayland KDE issues. I really wish I was in a position to be able to pickup an AMD GPU.
Awesome, thanks!
There's still weird bugs with Plasma Wayland unrelated to GPUs too. For whatever reason, dragging a file from a notification (e.g. Spectacle when a screenshot is saved) to Discord will make the shell just quit and restart...