HDR is currently experimental. Red Hat is working on getting it integrated, and Valve have it in their display manager. https://wiki.archlinux.org/title/HDR_m

HDR is currently experimental. Red Hat is working on getting it integrated, and Valve have it in their display manager. https://wiki.archlinux.org/title/HDR_monitor_support https://wiki.archlinux.org/title/HDR_monitor_support But for general users, out of the box, no.