Block4Block 2.1 patch notes:
- Claim Width config, a lectern claim can now claim multiple chunks.
-Added null-checking in isMemberOfClaim()
- Added config options (none, xyz vs xz, chunk coords vs exact coords) for the message intruders get when entering a claim: lectern-message-settings
- Added command to toggle coords in system messages on/off: /coords
- Added config option to only apply B4B to intruders: only-apply-b4b-to-intruders
- Fixed bug that caused blocks with inventories (e.g., chests) to not drop their contents when B4B was applied.
- Fixed "unknown player" problem when players join after changing their name.

Datapack changes to make flight more accessible (necessary now that claim-width is configurable:
- Phantoms now have a small chance to drop Elytras.
- Creepers can now drop Firework Rockets.


B4Block.org changes:
- Raised /gamerule playersSleepingPercentage 0 to 30
- Removed defunct 1 player sleep datapack