Changes to the vector math used to align vehicles with the ground. Vehicles now correctly rotate to match the ground's inclination.
Vehicles now use more than one trace to calculate a smoother rotation between surfaces. This should result in smoother riding and better transitions from one surface to another.
Added a new developer overview, which should help vehicle creators debug their vehicles.
The default shadow params for movement were updated, giving a faster response for vehicles with no custom params.
GMod lua operators (&&, ||, etc) were replaced with the default Lua operators.
Changed the spawn behavior to spawn vehicles facing towards the player.
Added the basics for AI implementation.

Added a new method to get relative direction from the guns to where the player is aiming

Hover vehicles now go into the water if they are turned off

Fixed the sound pitch going too high

Changed how the sound processing is done

Added new HUD indicators to the driver seat
Vehicles must now be turned on

Fixed OnTick missing from the base