Also for the American Truck Simulator the huge update 1.50 is now available for Linux on Steam.

Changelog

Map

California Rework – Phase 3

Vehicles

International LT S13
International LoneStar (interior) and LT (exterior & interior) rework
Lane assistant feature added
New exhausts added for Western Star 49X

UI

Substantial UI design update (Home screen redesign, persistent Status Bar, Quick Menu, new fonts, icons and more)
Settings options show information about what they do

Visual

Improvements in the rendering system
Temporal Anti-Aliasing feature added
Cascaded shadow updates
Soft particles
Lit/shadowed smoke
Far shadows
Optimized light computation
Frame rate limiter added

Sound

Brake squeaking sounds added