The AI traffic could finally handle double and triple trailers realistically. Overtaking became more challenging, and merging onto highways required genuine caution.
Steam will automatically download the files and revert your game. Finding "Hot" Mods for 1.31 american truck simulator 131 download hot
However, if you want multiplayer, current map DLCs, or convoy mode, you must update to 1.46 or later. Report: American Truck Simulator — Update 1