A new version 1.21 update is now available for X-Motor Racing, the indie motorsport simulation. Owners of the full version can update through the in-game menu, while an updated version 1.21 demo can be found on their downloads page. Here's the list of what's changed since version 1.20:

- Improved precision of the original tire model
- Added combined-slip Pacejka tire model
- Changes in FF code
- Improved physics
- Changes in VehiclePhysics Utility
- Changes in track format