There's a lot of talk about HDR and Chrome here. I'm interested in neither but me and other professionals (in photography and graphic design) that do color critical work need to be able to create color profiles with spectrophotometer hardware and https://displaycal.net/ and use those profiles. It's a well known fact that this is currently impossible with Wayland but possible in X. Developers of darktable, Rawtherapee, Krita and other open source applications hang out out on pixls.us. Here's a thread:

https://discuss.pixls.us/t/wayland-color-management/10804