The lkatest update includes over 3 years worth of improvements. And the existing game's backend server provider was shut down, and SuperTrucks has now been migrated to a new provider, with a large amount of updates!

• Completely overhauled UI
  
• Overhauled the in-game graphics
  
• Updates to many of the tracks and textures
  
• Loads of improvements to the physics, suspension and handling
  
• AI improvements
  
• Career mode expanded from 64 to 234 events. The first 117 events are in regular mode, and the next 117 are in hardcode mode.
  
• Hardcore mode unlocks night racing
  
• Added tarmac racing
  
• Upgrade screen completely overhauled, no more dragging of cards
  
• Added support for key/controller bindings
  
• Too many other smaller improvements to mention
  

For the full announcement please see
https://steamcommunity.com/app/743830/discussions/0/3282573272841630460/