Andreas SchneiderAre you a Linux Gamer? Do you have a HDR screen but run it in Eco (sRGB) mode for your daily work? Do you want to turn HDR on for games (or other stuff)?
I have the solution for you (for KDE Plasma):
Aris Adamantiadis 
💲Paid@cryptomilk interesting! I don't even know how to turn HDR on gnome/X11