> So, what makes the gnome-shell desktop different to Unity and KDE? The X server, GTK etc are all the same.
The difference is in technical details of the window manager. The issue also only happens if you are grabbing the scroll events to do something with those, it might be that gnome-shell doesn't do that (while unity uses scrolling over the launcher to cycle through applications for example)
> So, what makes the gnome-shell desktop different to Unity and KDE? The X server, GTK etc are all the same.
The difference is in technical details of the window manager. The issue also only happens if you are grabbing the scroll events to do something with those, it might be that gnome-shell doesn't do that (while unity uses scrolling over the launcher to cycle through applications for example)