I originally posted this after sitting in the chat support queue for 3 hours and half an hour of that at the top of the queue.  Today I got a response in 10 minutes!  After another 3 hours of the support tech trying changes to various settings and no progress to resolution he said: "Really apologize for this inconvenience. We were getting certain issues with PSE 15 which we had taken care of this this version, however, it still is doing such things and slightly worse. We will be checking it and get back to you." He hoped to have an update on Monday. ... View more

Thanks Michael.  According to SysInternals ProcessExplorer both the Organizer and the Editor are 'Per-monitor Aware' in terms of 'DPI Awareness'.  The font size in Organizer is ok for me.  The problem is the aberrant UI display, e.g. malformed menus, invisible buttons.  The second grab in my post was the top RH corner of the window, i.e. all buttons were invisible but clicking where the close button should be closes the app.  I've done a video screen grab (2MB) demonstrating how it looks and behaves compared to PSE Editor (640kB). The advantage of a HiDPI screen for me is I travel a lot and appreciate the light weight of an ultrabook (Dell XPS 13). ... View more