UPDATE: - Added new leak informations on a potential new Drive X mobile client app on the bottom of the article UPDATE: - Added new info on the matter of ' on-demand sync' feature for macOS on the bottom of the article After you update your server side, your Drive clients will start to display a warning, and until you patch the client side to the new version you might have problems. You will get a 'out-of-date' notification that will require you to update the Drive server and client apps to the new version. UPDATE: - Drive v3 is officially out of the 'beta channel'.