Lightroom export settings for a round trip
Two things matter in the Lightroom export dialog: export to the BookProofs Return Folder, and leave Rename To unchecked. A renamed export still reaches BookProofs, but as a new photo in the library rather than back into the placeholder it left.
Starts at 7:33 in the 1.3.9 release videoWatch on YouTube
More in Editing photos on canvas
See all 20Zoom and pan a photo inside its frame30:14Flip a photo horizontally to mirror it0:06Rotate a photo or straighten a horizon30:50Reset zoom, pan and rotation31:23Adjust exposure on canvas31:41Convert a single photo to black and white31:56Rounded corners on images and color fills1:14Rotate an image in small, precise steps1:37Round every corner in the project at once1:05Put individually rounded corners back on the project setting1:20Make an album photo match your Lightroom black and whites1:50Edit in Photoshop and round trip back4:04Point BookProofs at Photoshop or another editor1:01:23Where edited photos are saved4:42Edit in Lightroom and round trip back7:04Round trip a group of photos at once8:52Fit a whole photo inside a placeholder (contain)55:09Subject and face detection (beta)56:48Show the file name when you hover on canvas56:30