I called it when Activision took over, that money would be the priority and not amazing games. I don't expect it to get much better under Microsoft. D3 surprisingly still gets good updates etc. StarCraft 2 also I guess. Have not tried the big update to the redone D2 yet.Seems to be the new business model of Blizzard: release a new game or mode, cash in and leave it to rot.
For Immortal the fact that 2 dungeons can cause you to lose sound is unforgivable as an example of bugs that are still in the game. Characters at various points not walking but floating around the screen lol. I mean they still have an unstuck button in the main menu to allow you to reset to the last waypoint if you get well stuck or have other bugs happen.