My DD1 is now acting strange, no settings have been changed but all cars now turn much easier left than right. It's like "NASCAR Mode" has been engaged, right turns take a huge amount of effort, left is ultra easy.
Some people have commented that changing USB-ports from 2.0 to 3.0 or 2.0 to 3.0 has helped, this is (unfortunately) quite usual to have something strange with updates and USB ports.