Minecraft wiki entry for Development_versions, associated text: MC-46809 – /say not showing villager entity data if 'CustomName' provided.
MC-47987 – Entering a mobs view in spectator mode does not change if world is changed.
MC-61844 – Creepers target iron golems, causing terrain damage without interaction of a player.
MC-64598 – Creative search tab text becomes offset.
MC-65276 – Bow is upside down when held.
MC-70992 – textures_X.png in .minecraft directory.