Minecraft wiki entry for Development_versions, associated text: MC-163001 – Certain items have a black background.
MC-163008 – Zombies, husks and giants have black heads.
MC-163009 – Zombie and player head blocks are completely black.
MC-163019 – Honey blocks don't prevent slimes and magma cubes from jumping.
MC-163022 – Mobs do not avoid walking over honey blocks.
MC-163030 – Advancements menu isn't clipped by bounds properly.
MC-163045 – Breaking animation is not always displayed correctly, depending on the angle it's viewed from.
MC-163085 – Textures on some horses and donkeys/mules appear black/white on their hair and tails.
MC-163089 – Saddle texture on horses/donkeys appear black or completely broken.
MC-163095 – Crossbow is darker than it should be.
MC-163102 – Some blocks and items are discolored when viewing from certain angles.
MC-163105 – Held item lighting is based on the player's point of view in third-person mode.
MC-163110 – Some blocks are lit inconsistently in the inventory.
MC-163146 – Entities and items without transparency by default ignore transparency in resource packs.
MC-163159 – Honey block recipe is unlocked when honey block is obtained.
MC-163227 – Persian cats have a black nose.
MC-163255 – Some mobs can still jump when on a honey block.
MC-163314 – Minecarts cause constant noises when in a honey block.
MC-163371 – Paintings drop after world reload.
MC-163734 – Skeleton and wither skeleton skull textures underneath are completely black.
MC-163811 – Summoned item frames are invisible/distant.