When launching Sonic Colors Ultimate in a flatpak'd environment, the game either launches into a black screen with GNOME complaining the app is not responding or into a black screen with an orange-ish mouse cursor.
Here's the log for the game, run with PROTON_LOG=1: steam-2055290.log
There is a related issue on flatpak'd Heroic Games Launcher, as seen here.
Game information
Sonic Colors Ultimate
Distribution name and version where applicable
Fedora 39 Silverblue/Kinoite
Flatpak info
flatpak --version=> Flatpak 1.15.6flatpak --gl-drivers=> default, hostProblem description
When launching Sonic Colors Ultimate in a flatpak'd environment, the game either launches into a black screen with GNOME complaining the app is not responding or into a black screen with an orange-ish mouse cursor. Here's the log for the game, run with PROTON_LOG=1: steam-2055290.log There is a related issue on flatpak'd Heroic Games Launcher, as seen here.
Does this issue reproduce with native Steam
No, at least when run on a Steam Deck.