DBD JABO

ok so i turned my xbox on this morning to receive the matchmaking update that comes weekly from 343 which was supposed to include ep. 5-10 spartan ops griffball playlist AND two new specializations the engineer and stalker however I DID NOT RECEIVE ANY NEW SPECIALIZATION CLASSES TO UNLOCK. so now i am stuck AGAIN at sr90 if u know ANY way to fix this please let me know i would greatly appreciate it and whoever else if any have had this problem.