"Hey Siri" support and possibly wireless charging case alongside AirPower charging mat.
AirPods and AirPower: Everything We Know
Apple Store Down Ahead of iPad Mini Pre-Orders
Customers can begin pre-ordering all models of iPad mini and all models of the fourth generation iPad on Friday, October 26 through the Apple Online Store in the US, Australia, Austria, Belgium, Canada, Czech Republic, Denmark, Finland, France, Germany, Hong Kong, Ireland, Italy, Japan, Korea, Luxembourg, Netherlands, New Zealand, Norway, Poland, Portugal, Singapore, Spain, Sweden, Switzerland and the UK.iPad mini with Wi-Fi models will be available for purchase in retail stores on Friday, November 2, with pre-orders beginning to arrive that same day. iPad mini with Cellular models will begin shipping a few weeks after the Wi-Fi models, first in the U.S. on AT&T, Sprint and Verizon with other countries following later.
Fourth generation iPad preorders begin tonight as well, with similar availability to the iPad mini.