Horse get hurt or die after being dismounted by players in Realms

Hey Mojang! I'm here to report a very upsetting bug.When I was playing realm with some friends,I found a horse and tamed it.I brought it home then when I dismounted the horse,it died.Then,I tamed another horse and brought it home too.This time,it didn't die,but it got hurt.Hope you can fix this bug as soon as possible!