Minecraft wiki entry for Development_versions, associated text: MC-2638 – Once hit, old AI mobs and wolves don't turn back to passive in Creative until they die or despawn.
MC-4592 – When mobs start to attack the player in survival and they switch to creative mobs keep attacking the player.
MC-13661 – When re-sizing window before game loads internal view doesn't resize.
MC-33294 – Log top textures messed up.