I am pretty sure that all of the shifts on most cars are handled by the computer. They still use the sequential gearboxes, just computer actuated. There are a couple of drivers whose teams haven't got the details worked out just yet as they showed some this past weekend downshifting with the paddle. The big news this year is two way telemetry. Engineers can now change parameters on the car during the race. Teams have already invested huge amounts to make sure that others teams don't hack in and send false information to another car. Pretty crazy stuff!
