One of the few apps that still provide too small icons for gnome-shell overview is wine. For example, I now notice it with folder-wine.png icon :/ I have seen Fedora is handling the installation of the icons in a different way to try to always install the biggest one from wine's sources. Maybe that could be done in our case too :/ https://src.fedoraproject.org/cgit/rpms/wine.git/tree/wine.spec The "magic" starts at this line: https://src.fedoraproject.org/cgit/rpms/wine.git/tree/wine.spec#n770 And the desktop files are provided in the parent dir: https://src.fedoraproject.org/cgit/rpms/wine.git/tree/ Thanks a lot!
Updated links: https://src.fedoraproject.org/rpms/wine/blob/rawhide/f/wine.spec#_875