Similarly, in Gnome 3: I can't see any way of having a 2D array of virtual desktops any more, the only option I see is the 1D auto-expanding column of desktops

Similarly, in Gnome 3: I can't see any way of having a 2D array of virtual desktops any more, the only option I see is the 1D auto-expanding column of desktops. Anyone ?