Also Compatible with 1.21.11 Pre-2 & Pre 3

v1.6.0

• Added items from the Mounts of Mayhem Drop.
• Moved Wolf Armor in-line with Nautilus armor so copper and higher tiers line up with horse armors.
• Fixed a bug where the datapack thought more border expansion from special items was possible.
• Added behind the scenes support for version upgrades. If an advancement is moved between versions, previously it would be marked as not obtained on the advancements screen, this will now be done automatically.