8.2 update notes are official.....
http://worldoftanks.com/news/1831-82-update-notes/
Of note:
The Type 59 and Type 62 are both receiving play balance adjustments.
The IS and KV-1S are both getting armor nerfs.
Downed trees now count as camo.
You are no longer able to retrain crewmen to tanks which are researched but are not present in the Garage.