"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
Apple Standard and ProCare Packages
The new 'Standard' and 'ProCare' packages reportedly replace the previous 'Mac Pac' service.
'Standard' (Free) packages simply include setup services for all CPU purchases, while 'ProCare' ($99) for Rapid Repair services, "advanced Genius Bar reservations', possible discounts and more.
The new packages will start on April 1st.