@jorgec -- The kind of behavior they want to happen introduces problems for the third level navigation. If the L2 gets cleared as soon as they hover out of L1, the L3 links will never be accessible, and also presents issues rendering L2 itself, since accidentally moving the mouse may also mean L2 disappears immediately. Also, relying on hover events presents it’s own set of problems because it’s not a standard feature on all devices since that requires a mouse or pointer, while a majority of devices that can render the full menu don’t have that (phones on landscape, tablets, and phablets come to mind). I would urge that they reconsider pushing for this change as it will be detrimental to the user experience. As suggested, I may be able to provide some sort of visual cue (perhaps an underline) under L1 to indicate which menu item is active.