Environment layer support

Environment layer support
Use 3D footage or nested compositions as a spherically mapped environment around the scene, visible on reflective objects.
Resources:
Environment layer
Video tutorial: New features workshop: Environment layers
Video tutorial: Learn by Video: Material Options (Environment Layers)
New material options
3D layers in the ray-traced renderer include additional materials properties, which affect how 3D objects interact with light. For example, you can
use reflection, transparency, index of refraction as materials properties.
Resources:
New material options
Video tutorial: New features workshop: Material options
Video tutorial: Learn by Video: Material Options (Environment Layers)
Fast Previews
Fast Previews supports options for working with different levels of quality when previewing. This menu button has been reordered from highest
quality and slower performance to lowest quality and faster performance. Some options have been renamed, and keyboard shortcuts have been
assigned to them.
Resources:
Fast Previews (CS6)
Video: tutorial: New features workshop: Fast Previews