this post was submitted on 08 Feb 2026
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Plasma uses Wayland, doesn't it?
Existing versions support both X11 and Wayland. Future versions will only support Wayland.
https://blogs.kde.org/2025/11/26/going-all-in-on-a-wayland-future/
But X support is through Wayland, at just that was my impression. I mean it's not using X11 directly, or is it?
It is, up untill Plasma 6.8 (estimated release early 2027) Plasma can do both direct to X11, or direct wayland with xwayland support for legacy apps.
oh shit, it does hahah. I guess it's not a wayland issue then. :s
The issue is that full screen games wouldn't hold onto the mouse? Are these games running through proton (windows games being launched through steam)? If so, I know there's an option in protontricks to tweak this behavior per game. "Automatically capture the mouse in full screen windows" in winecfg.
Alternatively, you can try tweaking your steam launch params to use gamescope. Ex.
Where the params denote the resolution and refresh rate of the window. You may need to install gamescope from your package manager.
When using gamescope, there's also
--force-grab-cursor: https://wiki.archlinux.org/title/Gamescope#Cursor_doesn't_behave_properlyIt (Wayland) is the default session, but supports both for now. OP mentioned they chose the X11 session because games lose mouse lock, which is why GNOME wasn't an option since it doesnt support X11.
It supports both, but X is going through Wayland, not a direct support. At least that's how I understand it.
no. i believe you're talking about how existing x11 programs can run under wayland through xwayland. kde plasma as of now can still operate as an X11 DE.
To clarify: KDE Plasma has both an X11 and Wayland session, on the Wayland session X11 apps run using the provided Xwayland server.
The difference is that there are some restrictions for X11 apps, like on many distros X11 apps can't detect all keypresses when not focused or steal mouse focus.
Ah, ok, makes sense.
KDE is following GNOME in dropping x11 support in early 2027. The only solution if you want to still use x11 going forward is to get a LTS like ubuntu and bunker up for the next 10 years.