Edit in Photoshop and round trip back
Right-click a photo on the canvas or in the library and choose Edit in Photoshop. Save in Photoshop and the edit comes straight back into the same placeholder. Since 1.3.9 the editor gets a copy by default, so your original file is never changed.
Starts at 4:04 in the 1.3.9 release videoWatch on YouTube
More in Editing photos on canvas
See all 22Zoom and pan a photo inside its frame30:14Pinch to zoom a photo inside its placeholder1:10Flip a photo horizontally to mirror it0:06Rotate a photo or straighten a horizon30:50Keep the frame filled when you rotate a photoGuideReset 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 whites1:50Point BookProofs at Photoshop or another editor1:01:23Where edited photos are saved4:42Edit in Lightroom and round trip back7:04Lightroom export settings for a round trip7:33Round trip a group of photos at once8:52Fit a whole photo inside a placeholder (contain)55:09Subject and face detection (beta, being retired)56:48Show the file name when you hover on canvas56:30