Minecraft wiki entry for Development_versions, associated text: MC-137 – Ping packet doesn't include host information.
MC-12241 – Minecart collision boxes are briefly positioned wrong.
MC-12526 – Minecarts off track float.
MC-12569 – Sitting in minecart is higher than it should be.
MC-12733 – Minecart hit box too large.
MC-18713 – If a team name has "-" in it, the argument for seeing if anyone is in the team doesn't work.
MC-19029 – Instant health effect set to a 29, 61, 93...253 value kills any player without any death message.