Am 14.10.2016 um 08:30 schrieb racoon:
Could you please give it a try and report if this fixes http://www.lyx.org/trac/ticket/10017Awesome. Yes, now I can actually open menus with the primary mouse button and open more than one sub menu.
Many thanks for testing. So this new installer version will become the one for LyX 2.2.2.