Quick note - per my testing, Beta RC3 desktop spin passes the validation testing for Beta, with a couple of noted issues that don't break the criteria:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=624136 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=636104

testing from others to confirm is still welcome! I'm not always right =)