Minecraft wiki entry for Development_versions, associated text: MC-161831 – Some blocks/entities are rendered transparent when looking at them from certain angles.
MC-161836 – Map texture transparency is not handled correctly when looking at it in first-person mode.
MC-161843 – Flat inventory items render too dark in GUI.
MC-161851 – Block animations are way too fast.
MC-161852 – End portal and end gateway texture is rendered offset.
MC-161853 – Breaking animation is rotated and positioned incorrectly and will follow the player's mouse cursor.
MC-161858 – Turtles have a broken model; legs are completely detached from the body.
MC-161871 – Programmer art enchantment glint has not been updated to the new resource pack format.
MC-161877 – Mipmap levels are not handled correctly/flickering leaves and other blocks.
MC-161879 – Hitbox of transparent blocks, such as slime blocks, stained glass or ice, appears behind the block texture.
MC-161882 – Game crashes when player model is rendered after the player is stung by a bee.
MC-161887 – Glowing effect does not respect texture transparency.
MC-161894 – Hitboxes render behind portals, water, and shulker boxes.
MC-161905 – Sign text glows in the dark.
MC-161908 – Programmer art chest textures have not been updated to the new resource pack format.
MC-161909 – Programmer art banner pattern textures have not been updated to the new resource pack format.
MC-161916 – If the player is inside of a block, that block is no longer rendered.
MC-161931 – Lower player model not showing while in a boat.
MC-161934 – Spawn eggs are incorrectly colored when held in the hand.
MC-161946 – Baby polar bear model is broken.
MC-161995 – Baby panda model is completely broken.
MC-162054 – Glowing effect also applies to the blocks below the affected mob.