Wayland. It comes up a lot: “Bug X fixed in the Plasma Wayland session.” “The Plasma Wayland session has now gained support for feature Y.” And it’s in the news quite …
In display settings check the box to allow x11 apps to scale themselves instead of the compositor. Your cursor will still be blurry but the app content itself will be fine. A few apps like steam won’t scale without some kind of launch flag though.
I don’t see this option. I didn’t even see the option to set fractional scaling without enabling experimental flag from command line.