Bukkit

Official 1.3Dev

+ More configuration

+ Death Matches

+ Whitelistable blocks, commands, and sponsor items

+ Entry/winning/sponsor economy support

+ Configurable amount of players

+ Tons of new features

! A BUNCH of bugs

@ Refined code a little

It is always advised that you regenerate your main config

Key:
! = fixed
+ = added
- = removed
@ = changed

Does not reset redstone machines

Does not reset falling sand if it is broken and falls or sand that falls in weird directions