"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
AirPods and AirPower: Everything We Know
MobileMe Online, Mac OS X Updater Available
Today, the MobileMe updater appears to have returned to Software Update as version 1.1:
The Mac OS X Update For MobileMe is recommended for users running Mac OS X Leopard 10.5.4 and includes general system fixes that enhance your Mac for MobileMe.The web-based service replaces .Mac and offers web-based email, calendar, addressbook, online storage as well as "push" sync services.
We've opened a MobileMe forum to handle questions and discussion about this new Apple service.