Confirmed happening with me in 1.5.1. This happens with my separately caged animals. I had cows in one pen, pigs in another, and sheep in a third. I come back later (did not breed any) and some of each of the animals are in each other's pens. There is a natural diffusion at work.
Confirmed happening with me in 1.5.1. This happens with my separately caged animals. I had cows in one pen, pigs in another, and sheep in a third. I come back later (did not breed any) and some of each of the animals are in each other's pens. There is a natural diffusion at work.