19w08b is broken

the whole snapshot is just broken 

smelting is extremly hard for some reason when i put my ore and lava in it nothing happens

mobs (tamed and fenced) dissapeer randomly(including villagers)

i keep moving randomly (i dont know if that one is a snapshot thing it happened to me in ps4 multiple times and in java edition for random versions)

probably many other things but i dont know