> I prefer previous loading style of xee 2.2.
As I said, the progressive loading is gone and will not return. It was nearly impossible to support already in Xee 2, and prevented lots of other things.
> But there is still remain a colour matching problem.
There are several different ways to do colour matching, which will give different results. Photoshop probably picks a different one. Try comparing with Preview.app instead, that is probably what I will try to match.