I've got the same issue re stallion rating. Although it's been rating fine all day and only broken in the last little while so not sure if it's related to the mobile update
I don't find appies bland at all, besides, his parents only DID have appy patterns and nothing else, so where would other options even come from? They even did the best they could with producing homo appy while being both hetero
After somebody has bred to one of my stallions I have tried to see the foal, When I try to follow the link I keep on getting a "You broke the internet" message