I'm also seeing this on Fedora 41 with the RPM version of Steam. It's been happening for at least a week for me.
It seems to have resolved for me. Haven't seen the issue in over a week when it was previously happening constantly.
I also have the same issue. I'm on Nobara 40. Additionally to the fact that I've to exit steam almost every time I'm done playing a game, I also have sometimes the issue that I've constant popups saying either "You want to uninstall the game?" or the friends list and remote play together pops up until I kill steam, cause I can't play then.
I am also having the same issue, I have to kill steam to reopen my library, it's super annoying
I am using arch linux
I'm having this issue as well on nixos + gnome.
I'm on Nobara 40 which is a modified version that used Fedora Workstation packages.
_Originally posted by @lilwat1 in https://github.com/ValveSoftware/steam-for-linux/issues/11222#issuecomment-2323338687_