Looking closely at a few passages of this months White Dwarf and rules for the Custodes releases, we can see that there are a few details in the passages that are worth mentioning that are coming in December.
If you missed the pages that these come from in this month's White Dwarf, you can see them here
http://natfka.blogspot.com/2016/10/custodes-30k-contemptor-bop-rules-more.html