David Thompson has figured out a problem with the auto-update. Panorama X comes in a zip file. When you expand the zip file, you get the PanoramaX.app file (many of you will have your browser set to do this automatically, so you may not be aware of that step). If PanoramaX.app stays in the same folder where the .zip file was, auto-update won’t work. When you try to update, you get a message that there is an update error, and that Panorama X can’t be updated when it is on a read only volume. At that point, if you simply quit Panorama and move it to a different folder, the next time you try to update it will work.
For most people, the solution is simple – don’t leave PanoramaX.app in the Downloads folder. Most of you have probably moved it to the Applications folder, so everything worked fine.
But there is a catch – if you moved the .zip file to the Applications folder, and expanded it there, updates won’t work. So make sure you expand the .zip file before moving PanoramaX.app to the Applications folder.