The PlayersManager and the EventsManager have been updated. Now you can set custom infos on the player join. (And more things you couldn't do before, because the CorePlayer object didn't get updated).
// Click on the update title for more.
* CorePlayer
#getFallDistance();
#isOnGround(); // Deprecated, references on the Spigot code.
#getGameMode();
#setGameMode(GameMode gameMode);
#getEntityId();
#getVehicle();
#getAllowFlight();
#setAllowFlight(boolean allowFlight);
#getEntity();
#isDead();
#isOnline();
#getHealth();
#isBlocking();
#getBlockUnderPlayer(int i); // Where i is the amount of blocks under the player.
#getBlockUnderPlayer();
#getCustomInfo();
#setHealth(double health); // This was an int before.