With the addition of MITIGATE_DAMAGE event, the call APIUtils#registerDamageXpAward had the boolean parameter changed to an EventType.
Bugfixes/Tweaks
Added PMMORegistrationEvent for addons to use when calling APIUtils#registerXXX
Added Rare Drops and Treasure to the glossary
Fixed default Iron Spellbooks perk typo preventing the perk from functioning
Added MITIGATE_DAMAGE event which captures damage prevented by armor, absorption, enchantments, and mob_effects. This works like damage dealt and received events and requires a damage type to specify the xp. XP can be defined in the server config or on damaging entities.