Display unhandled damage sources
Remove the last patch
Add damager to the unhandled error
Always clear entityDamage on explosion
Don't ignore 0 damage for non-living entities
Upstream merge.

Mikeprimm's lighter nibble arrays have been removed since they have been incorporate d upstream.
Re add ItemFrame / Fireball EntityDamageByEntityEvent fix
Use Entity.teleportTo for cross-world teleportation in CraftEntity.
Limit block placement/interaction packets
Prevent client desync when their placement/interaction is throttled
Only echo back the protocol version for versions we actually support
Enhance NBTReadLimiter.

Add the ability to cap strings separate from total data.
Revert "Enhance NBTReadLimiter."

This reverts commit 3b8159bf75eab94fc32d12530ecebecb76bfd767.
Improve item nbt tag validation
Further Seed Customisation

Allow server admins that really want to to customise the seeds used in world generation even further.
Move player ticking into the main loop
Increase "moved wrongly" threshold