I don't think anything has been changed. I picked this up about a month ago and it still looks the same but don't quote me on that.
No silly the horses were there in the last update and one of them can be obtained by beating the combo king
Great game! Thanks for the heads up. Though wow... this is one of the toughest games I've played on mobile. Feels almost like a rhythm game.
It got slightly easier once I realised you can click on the combo bar at any point while it's full to set it off and ward back some of those enemy hits. Up until then it just seemed to go off randomly whenever it wanted to.