Based on feedback from the beta that concluded April 12, these are the things the dev team wants more time to polish:
• The multiplayer menus and filters
• The unit selection
• The order assignment
• The unit behavior and pathfinding
• The strategic AI behaviour
• The anti-lag policy and kick system
• and the game balance of course
The new release window for R.U.S.E. is now late September 2010.
Source: [RUSE Facebook page via ]