I also have "gripes" but I figure after the patch most if not all will be a thing of the past.
I don't like posting about a supposed problem when often its basic user error. There are problems with X2 I will not deny that. But we have seen every new release of Sonar come out with bugs. It is nothing new. Nor should it surprise anyone. At this point in its life cycle one can only ask is it usable or not? I think it is for non critical work. I use this time in adjusting to the new ways it does things.
I do know that over all its a great advance in the X versions. I like it very much.