Bukkit

+ Added %player%, %randomplayer%, %online_ops%, %biome% and %world% variables.
+ Added ignoring system.
+ Added a command which adds/removes a player from the ignoring list -> /simplebroadcast ignore <name> | - simplebroadcast.ignore
+ Added a command which broadcasts the entered message without any formatting -> /simplebroadcast raw <msg> | - simplebroadcast.broadcast
+ Added a command that toggles the update check function -> /simplebroadcast update | - simplebroadcast.update.toggle
! Changed the look of /simplebroadcast commands.
! Changed the look of /simplebroadcast list
! Changed /simplebroadcast commands to /simplebroadcast help
! Changed - simplebroadcast.commands to - simplebroadcast.help
! Updated Updater to version 2.0
! Fixed bug that the second message is only broadcasted once.
! Fixed bug that the plugin throws a NullPointerException when in the Updater config "disabled" is set to "true".
! Fixed bug that the plugin throws a NPE after performing /sb - "" - .
! Fixed bug that the plugin throws a NPE when a player joins - "" - .

-> Completely compatible with 1.7.2, 1.6.4 and previous builds!

There aren't any caveats. You can use this version/plugin safely.