Open Snapshot, choose save to DIsk, check one or both of the boxes Interface or HUD.
Open the Map or mini-Map
Do a save to confirm that the snapshot contains Map or Minimap,
close Snaphot.
enter CTRL-` the shortcut to take a snapshot without showing a dialog.
check resulting picturte, no Interface components are shown.
Open snapshot, the checkboxes are still ticked.
While I cannot claim this is a critical problem, it is a serious bug when you need to take a series of photos, with Maps included, as when sailing /flying, for example.
I am told, but have not personally verfiied, that it worked as expected in pre-PBR viewer version.