Minecraft wiki entry for Development_versions, associated text: MC-590 – Mobs not realizing they killed their attacker and trying to attack empty space.
MC-1320 – Dogs wont stop snarling after punched by someone else.
MC-1980 – Zombie villagers are able to despawn during curing process.
MC-4631 – Lava decay fails to schedule block update.
MC-14221 – Blocks stop updating one minute after entering the Nether or the End.