Support for interactive three-dimensional (3D) graphics.

Enhancements to the Shockwave Multiuser Server and Xtra that enable server-side scripting, multithreading, and file access. Using server-side scripts can dramatically simplify your multiuser movies by placing most of the required logic on the server.

Support for Flash 5 and additions to Lingo that provide control over the new features of Flash 5 movies.

自己看Director的帮助，那可是宝库