It is all official now, as we are seeing leaked images of the next White Dwarf appear. On the cover is shows off the new Blood Angel Tactical Marines, revealing lots of new options.
Check out the latest leaks
http://astropate.blogspot.com/2014/11/white-dwarf-45-nuovi-angeli-sanguinari.html
http://descansodelescriba.blogspot.com/2014/11/ultima-horanuevos-as-en-la-wdw-45y-smaug.html
http://dedard.blogspot.com/2014/11/white-dwarf-45-leaked.html
The cover reveals several things, here are the titles.
New Blood Angels Tactical Squad+ Codex
They Thirst for Battle!
The sons of Sanguinius strike forth to smite the enemies of man
It's Monster
Inside the most enormous dragon we've ever made
