Here's a summary of the major additions and changes:
* Include IT-Accelerator to increases the computational speed of MATLAB.
* Improved automation client (ActiveX/COM controls) interface
* Enhanced internet integration
* Better development environment
* Enhanced graphics capabilities
* New programming and function data types
* New mathematical computation and algorithm enhancements
For more details, please look at http://www.mathworks.com/products/matlab/whatsnew.jsp