Noticed the same thing since the last upgrade. Before the upgrade, I normally just hit the icon in the tray and EN would open in it's last state/note. Now when I hit the icon, I only get a chime audio response. I then hit the icon again and the EN window opens. When it opens, the window is much smaller than when I left it and no note or notebook are open (No matching notes found). When I close EN I always use File/Exit. The problem seems to be that it no longer remembers the last state when exiting.