On the previous iPad Pro keyboard page, they had this text: "The Smart Connector transfers both data and power between iPad Pro and the Smart Keyboard Folio — n

On the previous iPad Pro keyboard page, they had this text: "The Smart Connector transfers both data and power between iPad Pro and the Smart Keyboard Folio — no batteries or charging required" It's the same connector since the new one is backwards compatible with the old iPad Pro. If you google "iPad Smart Connector pinout" you find previous discussion/speculation on the protocol edit: the announcement specifically says the stand supports "pass-through charging, keeping the USB-C port on iPad Pro free for accessories including external drives and displays". So the pogo pins only have to have enough data bandwidth to send keystrokes, the stand won't give you USB 3 data