The star of the V1.40 show is undoubtedly the introduction of the new lighting system. SCS Software has completely rewritten the rendering code for how light interacts with the game world.
If you purchased the game directly from the SCS Software shop: American Truck Simulator V1.40 Download
SCS Software has done it again. With the release of American Truck Simulator V1.40, the iconic trucking simulator isn’t just adding new roads or cargo—it’s reinventing how you see the game. This update marks a major leap forward in graphics and immersion, making every long-haul delivery feel more lifelike than ever. The star of the V1
Sources used: SCS Software 1.40 release and open beta blog posts, Steam news, and Truck Simulator Wiki patch notes. With the release of American Truck Simulator V1
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Here is text suitable for a blog post, news article, or download portal page regarding the American Truck Simulator V1.40 update.