Resolution: Works As Intended
Minecraft 1.5.2, Minecraft 1.6.2
What I expected to happen was...
I would log back into 1.6.2 without any problems at all
What actually happened was...
I lost DIAMOND HORSE ARMOUR, GOLD HORSE ARMOUR, AND HAY BALES.
The steps to trigger this are...
1. In survival mode, put DIAMOND HORSE ARMOUR and GOLD HORSE ARMOUR into a chest. Also, place hay bales.
2. Switch to 1.5.2.
3. Switch back to 1.6.2.