GAMEPLAY
World of Trucks Contracts feature - now you able take jobs from the World of Trucks website
Tire decals coloring
Simulated tire grades based on European tire grading system (rolling resistance, wet grip, noise levels)
The paint shop was integrated into the standard truck configuration
VEHICLES
Improved truck's chassis geometry by adjusting fifth wheel position for most of 6x2, 6x4 chassis's to decrease under steering under full throttle
http://blog.scssoft.com/2015/12/ets2-update-122-available-now.html