I upgraded over the weekend. The one bug it did not fix - the Menu button for the iPod. I was really hoping that it would be fixed.
One thing that happened after the upgrade, every command I pressed caused a short burst of static through the speakers. Did not matter if I was in navi, music, or music off. I found that the button volume in nav settings was back up about mid level. Instead of a ding, it was just static. I lowered the volume to zero and the problem was fixed.
I don't know of any other issues that may have or have not been resolved. My guess is they have not.
I will try and g