Diablo III: Reaper of Souls

If you're DCing quite a bit, a couple blue posts suggested leaving all open chat channels to see if it fixes the problem and then re-enter them one by one to weed out the problem.
Oddly enough, I've never DC'd at all today and I haven't done anything.

EDIT:
The hotfixes are LIVE!

[LIVE HOTFIXES]

• Kadala's Legendary drop rate has been increased.*
  
• Unique Monsters now use the same loot table as Champions.*
  
• The bonus Legendary drop rate for Nephalem Rifts has been increased from 25% to 100%*
  
• The number of chests that spawn across Sanctuary has been reduced.*
  
• The Unique Ebenezer Samuel no longer spawns 100% of the time on higher difficulties.*
  
• The following change from the Patch Notes has been reverted:
  In Campaign Mode, Manglemaw now only drops loot and gives XP before the player progresses to the Chancellor's Tomb quest*