Release notes:

V 9.04 DL includes the following features
1. Faster Install/Uninstall
2. New Deathmatch Map
3. New Team Deathmatch Map
4. New playable character
5. Beta Version of Internet Matchmaking   *USE AT YOUR OWN RISK*

A patch for the retail version of the game, with the new features, will be made available once testing is complete.