User blog comment:Heatedpete/Battlefield 3 Beta Experience - no. 1/@comment-3451773-20110928051921/@comment-1142365-20110929134057

It's internally tested, just like BF3 has. This "beta" they've just released is really a multiplayer demo. They don't have long from when the beta end to when the game is released to make any major changes. Everything's been tested already with the Alpha and internal beta testing.