Minecraft wiki entry for Development_versions, associated text: MCPE-8175 - Sometimes entities (players, animals, monsters, and boats) start falling into the ground until they die or reach the void.
MCPE-8195 - Boats hitting the shore would go into the land, then sink into the blocks until y=0.
MCPE-8221 - Fishing does not work.
MCPE-8258 - The boat's GUI does not include the chat button.
MCPE-8282 - All of the quartz block varieties are named the same "Block of Quartz."
MCPE-8284 - Enderman Spawn Egg is named wrong.
MCPE-8302 - Fishing doesn't work well on boats.
MCPE-8313 - Hitting the "fish" button in multiplayer targets the nearest player and pulls said player towards the player with the rod.