As much as I love to see any improvements of colour management and HDR display support in Wayland I think here is the wrong place. So please move all the discussion/communication to the Wayland mailinglist.
Really ? Wow! Can you explain why you think it is the wrong place ?
I’ll explain why I think it is critical that there be discussion about Wayland and Color Management on a forum exactly like Pixls.
As best I can tell (from the long and unsatisfactory thread I pursed on the Wayland Developers list some little time ago), the core issue with Wayland and Color is social, not technical:
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none of the key developers have the faintest idea what Color or Color Management is, and (worse):
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they have no idea why it would be at all important.
The takeaway from this is that, as and when the free software/Linux world migrates from X11 to Wayland, all the applications that get discussed on Pixls will be in trouble, because there are no tools to setup Color Management on Wayland, and no facilities for applications to employ Color Management on Wayland, and there seem to be very serous technical and social obstacles in the way of ever doing so. In order to get any traction on this, the key Wayland developers need to be convinced to revisit some of their most dearly held goals and past technical decisions. This is not going to be easy, but the very first step is to convince them that they were missing an absolutely must-have, mission critical feature from their list of goals for Wayland: support for modern Color Management. What’s needed to convince them, is all the developers and users of color critical applications telling them that Color Managemet is vitally important, and explaining why, and what the stakes are. Currently the key Wayland developers think that I’m joking when I tell them that users will be forced to stick with X11 or (gasp) even switch to MSWindows or Apple if Color Management is not possible on Wayland. Either that or they dismiss such users as “not their target audience”.
So I think it is very much worthwhile having discussions here, to first raise awareness about the looming problems for graphical applications on Linux, and then to develop some ideas about how to get Wayland developers to change their priorities, and get them focused on facilitating Color Management as a vitally important goal for their project.