You may now use CustomModelData through all your objects.
Helpers were added (currently help you with storage).
Rackgenerators were added (rackgen). They are generators that are placed in racks the same way asics are placed.
You can now create custom kits and even use them as default kits.
You may now customize if players may receive damage.
You may customize if players should respawn at their home (their plot) whenever they die.
You may customize if players may drop items on floor.
You should now be able to customize player's home location.
Remember that it's not backward compatible with 1.3.7 and under!

Last changes:
Fixed asynchronous entity show.
Fixed plot helpers not spawning to new players.
Fixed close buttons.