Bukkit

+ Added Feature
- Removed Feature
^ Change
! Bug Fix

v0.5.0-BETA

+ AutoTabCompletion. This allows for typing in a command and getting some tabbing support.
+ Title count down. A count down appears on user screen.
+ Optional PvP setting in each arena. Have the ability to state whether an arena can have damage inside of the arena.
! Fix Player being kicked out of lobby when he/she is the only on left when a player leaves game.
^ Some clean up optimization.

v0.4.0-BETA

+ Lobby Signs. Check here on how to use and customize.
+ Spectating. Use command /cc spectate <id>. Need either cc.arena.spectate.* or cc.arena.spectate.<id>
+ Configurable Paintable blocks. Check this page for more info
! Fix items stacking resulting them in not being able to use.
^ No PVP damage between players. knock back still occurs.
! Config does not wipe when reloading via /cc reload all
! Players being left behind in lobby
! Fix errors when reloading games
^ Change freeze powerup to use potion effect.
! Powerups spawning in walls

Please check here for current issues