net/minecraft/world/entity/vehicle/
Nothing much to note, reworked the loot table inventory serialization a bit
net/minecraft/world/level/
net/minecraft/world/entity/player
Note that a method was removed on Armorstand for a bug fix that makes literally zero sense, probably very old.
Also added and fixed the logic for leashes, as any entity can hold leashes but anything can be leashed.
Also very sad hack used to detect if the value was set.
/net/minecraft/world/level/block/entity/trialspawner/
/net/minecraft/server/network
ExperienceOrb award methods were consolidated to avoid this large of a
conflict in future versions for what is a single override.
Callers are expected to now pass null to the 3rd overload param as well.