Minecraft wiki entry for Development_versions, associated text: Iron golems are no longer pushed back by explosions. (MCPE-43662)
Ravagers now pathfind through water.
Fixed sitting position for baby zombie jockey.
Fixed the death animation for spiders. (MCPE-41417)
Lazy pandas no longer float above the ground when lying on their backs. (MCPE-43164)
Baby pigs turn into baby pigmen when struck by lightning. (MCPE-38134)
Fixed player alignment to bed when sleeping.
Zombies can no longer break iron doors. (MCPE-43725)
Village mobs (such as iron golems and cats) no longer spawn inside of blocks (such as grass path and farmland blocks). (MCPE-44442, MCPE-41886)
Mobs can now path find correctly through waterlogged blocks. (MCPE-37005)
Mobs can now path find correctly on unlit campfire blocks.
Mobs no longer attempt to path find over 1.5 block high obstacles. (MCPE-45256)
Villagers now all go to sleep correctly when the night comes.
Strays and skeletons now show enchanted bows when held.
Villagers now show angry particles when hit by a player, even if they haven't been traded with yet. (MCPE-29700)
Mobs now attack the player correctly while standing on soul sand.
Villagers now close doors that have been opened by a player or redstone. (MCPE-21946)
Fixed the "Toast" rabbit easter egg. (MCPE-44510)