Here are the patch notes (1.0089.4716):
- Fixed issue with hidden door at "Elder dragon" not working correctly
- Fixed issue with Furious armor sets not dropping from bosses
- Fixed issue with Furious weapons not dropping from bosses
- Fixed issue with Eclipse armor sets not dropping from bosses
- Fixed issue with Eclipse weapons set not dropping from bosses
- Fixed issue with swarming not working correctly in Heroic and Brutal dungeon
- Fixed issue with combat freezing