Newey's new showpiece: what can we expect from the RB17?

Adrian Newey built seven different Red Bull cars that were good for a Formula 1 world title, but the top designer is involved in much more than just the premier class of motorsport. The engineer is leaving the Austrian team, but he will remain involved in the development of the RB17 until the last moment. It is Newey's latest showpiece, but what can we expect from it?