If an entity has its spotlight flag set, it will emit a spot light in the direction given by its pan and tilt angles.

Material

Material controls the light reflection properties of entities and surfaces. You can set the color emitted by the material, the influence of dynamic lights and many more...

 
Terrain / model improvements

Model and terrain triangles are clipped with a different algorithm, which allows the camera to move much closer to them than with A5. Now you can even fly inside a model!