Fixes
|MC-65040| – Entities become invisible under certain conditions |MC-86048| – Entities are disappearing again |MC-88832| – White Banner + Shield = Black Shield |MC-88833| – Pistons don't move/bounce entities |MC-88837| – Item Duplication / Corrupt Player NBT |MC-88843| – Items don't move up when stuck in block |MC-88863| – Cobblestone Walls collision box messed up |MC-88870| – Flowers hitboxes are too big
References
https://mojang.com/2015/09/minecraft-snapshot-15w38a/