Ohh, so that's the bug I've been experiencing ever since Fedora 39 updated to kernel 6.7. But I only get this on restarts, so cold starts work just fine. I actually have a 7800 XT as well.
But other than that I only noticed one issue: video playback in Firefox sometimes shows visual artifacts across the screen while a game is running in the background (well, with Baldur's Gate 3 at least). Fedora 39, KDE Plasma. Kernel 6.6 or 6.7 (or 6.5 for that matter). That said I also had some suboptimal experiences with browser video playback on an AMD APU notebook under Windows (severe framedrops), so I'm not sure where to point my fingers at.
Other than that it's honestly been great. I switched from Windows + Nvidia to Linux + AMD basically January 1st of this year and only ever booted Windows twice to transfer game saves over for the few games that don't have Steam Cloud.
Turns out most of the problems I had with Linux desktop was with Nvidia. I spent more time troubleshooting than actually using software. AMD isn't perfect on Linux and with new kernel versions you're suspect to run into more issues, but AMD (and Intel) mostly work out of the box.