Is the 'Add Folder' functionality recursive?
Yes. If you specify a folder on the Add Folder screen that has other folders in it, you will add all of the photos in the folder you chose and all photos that are in folders inside that folder.
Yes. If you specify a folder on the Add Folder screen that has other folders in it, you will add all of the photos in the folder you chose and all photos that are in folders inside that folder.