(In reply to Arianne Brink from comment #29)
> My Vega 56 is showing the same problems. However, I noticed that by
> disabling xfsettingsd in XFCE and kscreen in Plasma it solved the problem.

Disabling those probably just means nothing listens to the spurious hotplug
events, thereby avoiding the problem. Just another workaround, not a proper
solution.