My guess would also be that this is somehow related to gtk's new client-side window approach. Can someone try if invoking firefox from the command line as "GDK_NATIVE_WINDOWS=1 firefox" fixes the issue?
My guess would also be that this is somehow related to gtk's new client-side window approach. Can someone try if invoking firefox from the command line as "GDK_NATIVE_ WINDOWS= 1 firefox" fixes the issue?