User blog comment:N7/Battlefield 3 Beta is an older build of the game + Changes from Beta to Final game/@comment-94.22.101.31-20111004125430/@comment-1990578-20111004192439

See, they can only find so much on their own, Anon. Giving us a Beta allows them to find even more stuff they may have missed, even if its an older build.

At least they removes sinkholes in the beta.