cross-posted from: https://discuss.tchncs.de/post/17906935

Part one: https://zamundaaa.github.io/wayland/2023/05/18/hdr-and-color-management-in-kwin.html

Part two: https://zamundaaa.github.io/wayland/2023/12/18/update-on-hdr-and-colormanagement-in-plasma.html