The mobs head direction and potion sound problem.

I have received a 1.8.1 update after that the mobs head direction wrong pointed. and this situation it make me little creepy. and another bug is potion drink sound does not sound.

before aquatic update had not  bugs and problems. but after 1.8 update the bug quite seeing. i hope fix it all bug and problems. before coming the village&pillage update.