The passion expressed by Terraria's community has fueled our ambitions to do justice for the original PC content, and with the delivery of this update, there really has never been a better time to get into Terraria and discover its delights. And below are the full patch notes for the hefty 1.2 update.
Although dog team drivers are often referred to as  mushers , and mush is thought by many to be the standard word to get dogs moving, the word is, in fact, not often used as it is too soft for a distinctive command.
During this experience above 750 meters of altitude you will be guided by a Musher who will drive the sled dog team with you and teach you how to set up the dogs, operate the sled and the mushing commands.