form·Z 4.0: RenderZity
  All the general improvements mentioned for RenderZone, especially those due to the incorporation of a newer version of the LightWorks rendering libraries, also have an effect on RadioZity. In addition, v. 4.0 has introduced the following specific improvements:

Version 4.0 has reorganized the Radiosity Options dialog in two tabs, Initialization and Generation.

As for RenderZone, all smooth shading and smooth objects rendering options have been condensed into a single project level set of options, which are accessed from the Project Rendering Options… button at the bottom of the Radiosity Options dialog.

The Radiosity Preview Options dialog has been reorganized and simplified.

 

 

 

For a list and abstracts of the v4.0 enhancements and new features per category go to:

About Version 4.0:

Interface

Menus

Modeling

RenderZone

RadioZity