Lastly, it will be better at syncing edited photos and support external storage (flash drives, SSDs, etc.) backup. This encompasses better support for the Photo Library on Apple computers, including media that is synced with iCloud.
In offering one application for consumer and business users, the company added some frequently requested features, like improved compatibility for recent Mac and Windows versions.
Update 7/12: With the rollout already under way for some users, Google today officially detailed the new Drive for desktop app on Mac and Windows.