Despite a heroic effort by developers and testers, we have not been able to reach Beta release criteria by the time of the Go / No Go meeting. There are still unresolved bugs and unknown test results. Because of this we've enacted a 1 week slip of the Beta release date. This does not mean we will be pulling in a bunch of "nice to have" updates, we will instead be concentrating only on release blocking issues in order to produce an RC that achieves Beta release criteria. Promotion of builds into "stable" for F13 will continue to be extremely targeted until an RC goes "GOLD".