These are the new features added to RU7.
The current release includes the following improvements that make Symantec Endpoint Protection and Symantec Network Access Control easier and more efficient to use:
•Certified support for Windows 7 and Windows Server 2008 Service Pack 1
•Firewall support for mobile broadband adapters
Check this
https://www-secure.symantec.com/connect/forums/therere-new-features-ru7