This change has both good and bad points.
1. You can't upgrade your harem from the Market.
2. you can't track your Harem from the Market. (ex. Bunny is 1 of 900 in my Harem) and yes, for those of us that track our girls is small bit of info is important.
3. You can upgrade and max out with a single click. Great addition .
4. Visually it's hard to work through the interface. This is a pain point that will just take time to adjust to.
so we got 1 plus and a bunch of negatives.