Ever want to rotate an image instantly,
without even opening the Web editor? [Whoops, the rotation shortcut works only in the editor right now. Stay tuned.] Open the image on Google Photos Web, then press Shift-R. Want to Auto Enhance a photo in the editor? Just press A. Per the team page:
New keyboard shortcuts
Use keyboard shortcuts to quickly edit, enhance, delete, download, search, and more. Press Shift + ? to see them all.
Upload to albums
Save time by uploading photos from your computer directly into an album. Yes, even in shared albums.
The latter has been a godsend for me & my Nepal team. I just drag images directly from my desktop into our shared album & goodness ensues.