There you can see that there is no MCPE project
How is it invalid?
But -0.0 isn't.
I don't think that boat is in flowing water in that picture.
Uh... Proof? Explanation? They're supposed to run quickly to get away from zombies if that's what you mean.
This is due to the block being moved, and the player landing on the edge of the block. If the player lands on the edge of a slime block, they take damage, becuase they didn't land on the squishy, cushiony section. This is an intended feature, however, when the block moves the hit box of the edge is thrown off a bit.
This bug is CONFIRMED a million times since 0.9.0 !!! On Galaxy S3 EVERY 2x2 Jungle Tree grown with Bone Meal or by Sapling starts deleting it's own leaves !!!