inconsistent Steam crash after quitting game

Hi All,

Sorry to resurrect something I thought was solved, but there's definitely something funky going on whenever I play a Steam game for ~20 or more minutes and then quit. Here are my specs:

Hardware Information:
Processor: AMD Ryzen™ 5 5600X × 12
Graphics: AMD Radeon™ RX 6750 XT

Firmware Version: H.C0 (MSI Pro B550M-VC Wifi MB)
OS Name: Bazzite 41 (FROM Fedora Silverblue)
OS Build: Stable (F41.20250301)
OS Type: 64-bit
GNOME Version: 47
Windowing System: Wayland
Kernel Version: Linux 6.13.5-102.bazzite.fc41.x86_64

Whenever I quit a game (Elden Ring, MH Rise most recently), I'm unable to access the Steam store, my library, or any other part of Steam afterward. The Steam icon still appears in my system tray (I'm using GNOME), but the only thing I can do is click on it and select quit, then restart Steam. All of the other options do nothing.

But once I restart, everything works fine until I quit a game again. Managed to get a log from the terminal this time, which I've attached. I'm thinking this is the relevant bit:

(process:123904): GLib-GObject-CRITICAL **: 00:09:43.048: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
reaping pid: 123904 -- gameoverlayui


Found an Arch-related thread that suggests something is up with xdg-desktop-portal, but I have no idea what to make of it in connection with Bazzite: https://bbs.archlinux.org/viewtopic.php?id=286683

Appreciate any help y'all can provide. Thank you!
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