After Fedora Silverbluse 42 installation (on clear SSD) custom profile images not displayed. Checked JPG, PNG, JXL, WEBP formats, many images. If choose standart image all works fine.
I didn’t see this issue, but I had something where the Appearance settings panel showed thumbnails for the previous version’s wallpapers instead of the current one.
Clearing ~/.cache helped for me, maybe it would help for this too. (Or if you want to keep the cache and maybe report it as a bug to Gnome, move everything in it to somewhere else to test).
I’ve seen this F42 GNOME, and a few random times years before. I have a few avatar pics as png and GNOME only does it with my main one, still did it after a few different GIMP converts even to jpg, but my other png avatars rendered fine.
I’m curious to find a solution too!
Edit: The problematic png on F42 renders fine as a user pic on openSUSE TW (20250418) GNOME 48 today.