Getting it to actually work with games is still a crapshoot, though.
Plasma 6.5 has broken tonemapping both with gamescope and proton wayland (which breaks a bunch of other things to boot). The fix was merged just a couple of weeks ago.
To be fair, HDR gaming is pretty bad on Windows, too. (Unless - so I heard - you use RTX HDR, which is still a workaround AND you need a new-dish NVIDIA card, which I don’t have.)
Kde has good hdr with Wayland but a lot DEs still are very much a crapshoot, yes
Getting it to actually work with games is still a crapshoot, though.
Plasma 6.5 has broken tonemapping both with gamescope and proton wayland (which breaks a bunch of other things to boot). The fix was merged just a couple of weeks ago.
To be fair, HDR gaming is pretty bad on Windows, too. (Unless - so I heard - you use RTX HDR, which is still a workaround AND you need a new-dish NVIDIA card, which I don’t have.)
Niri has HDR too