Well, they didn't change and didn't change, until in June, a friend of mine pointed out that one of them was turning green! We were a bit disappointed and assumed they would soon both turn green or turn green then brown.
We were wrong again, and for the longest time, she had one blue eye and one green eye. (See picture below from August.) Now, the blue eye seems to finally be turning green. So she finally is getting matching eyes. We'll see if they stay green or turn brown! Of course we really don't care what color eyes she has, she is perfect in every way to us!