Interesting! I have the problem with wxmaxima, but not with Lyx before installing indicator-applet-appmenu, and then after installing indicator-applet-appmenu, Lyx doesn't work, but wxmaxima does.
Interesting! I have the problem with wxmaxima, but not with Lyx before installing indicator- applet- appmenu, and then after installing indicator- applet- appmenu, Lyx doesn't work, but wxmaxima does.