Bukkit

In this release some new stuff has been added:

noPVP and noTNT fuel:

These are blocks which can be used as fuel for a heart. Within the radius of a heart with noPVP fuel, no players with the right key can die. If the heart has noTNT fuel, then all explosions within the raidus will be cancelled. They can be configured in the config.yml file. If you want to disable this functionality I recommend setting noPVP to block 137 (command block) and noTNT to 7 (bedrock) as these blocks shouldnt be available to players unless they cheat. Default values for noPVP is 133 (Block of Emerald) and for noTNT it is 22 (Block of Lapis Lazuli).

Enchanted book perk for the leading team:

Once every ingame day/night cycle (24000 ticks) the team with the most score will get an enchanted book with random enchantment and random level in the chest beloging to their heart. If there is no space left in the chest there will be no book. If a team has several hearts the receiving chest will be randomized.