The new netcode looks smoth, but I got 2 crashes caused to lag. I was 5 meters behind a friend (60ms constant) and suddenly we went airborn. Later going door to door I got pushed a bit sideways, this lag just pushed me to the grass so it wans't that bad.
Anyways, it is a lot better than before. And the new UI in the server (chat window, times, etc) is very cool.