Bukkit

2.5.2 -

• Changed the way words are added to the list. +? and \w* are added to the word automatically, therefore you will not need to add them yourself.
• Better advertising block. Will block IPs that are not private and will block dns, but not websites like www.google.com or http://facebook.com (will only stop if the message is http: or www)
• Minimum message length for caps now changeable through config

CheckForUpdates can cause some serious lag if pastebin is under a heavy load. Unless you specifically want to check for updates, leave this option off.