For the American Truck Simulator the huge update 1.58 is now available for Linux on Steam.

Changelog: Gameplay Driving Academy - Double Trailer Handling Vehicles Vehicle Behaviour Physics & Collisions Update Map Route 66 Rework Project Map Changes In Preparations for Road Trip New Truck Garages UI Tutorial Redesign & Contextual Hints Route Advisor Redesign Quick Info Feature Management Screen Improvements Truck Configurator Improvements