After last patch, if my internet connection is lost, battle.net does not auto login. I am forced to close battle net application and relogin and sometimes it even requires authentication through phone.
That is just frustrating, I remember this game was not disconnecting user even if your internet connection is down for like 30-40seconds. Now my internet connection is down for 1 seconds ( because of ISP ) and as a result I disconnected from game, + I have to login battle.net again.
Unplayable, cannot raid with those issues. Last naxx, I disconnected 3 times, kept world buffs only by luck.