HDR and Colour Management in KDE

Sorry. My XOrg/KDE system has been working so well, and all I see on the forum is that Wayland has problems. For example:

I know one cannot reasonably expect 100% working solutions, especially if there is no one testing them; I’m just worried that some, who are eager to push development forward, may force something on me that breaks what I currently have. I just own a full-HD, SDR display. For movies and games, HDR may be important even now, but colour fidelity is often not considered crucial. It’s not exactly ‘crucial’ for my needs, either, but it’s certainly ‘nice to have’.