We found out that the next Cube Release will gets a new game engine : CUBE 3
We already found the new logo on the SVN folders :
Here are some new features which will be included in Cube 3 :

- New & Better Graphic Effects
- 2x New Weapons (including a  Superweapon like In UT)
- Primary & Secondary Shoot
- New Modes ( including Hide and Seek )
- Colored Names  in Scorelist
- ingame Friendlist
and many more things

Check out SVN ->Here


EDIT : of course this was just an April joke :-)