Bukkit

Version 1.2.1
+ Many Many Bug fixes
+ Fixed all NullPointerExceptions from 1.2
Important: Don't download 1.2 only the version 1.2.1 and later

Version 1.2
+ Some Bug fixes
+ Custom Colors in join/Leave messages
+ Sound configuration
+ The Staff Team has it's own configurable Join/Leave message
+ New Recipe for the Quantumarmor
+ Added the SlimeSuit
+ Slimefun is now with Java 6 compatible

Version 1.1.1
+ Some Bug fixes
+ Butter (A little easteregg on eastern)

Version 1.1
+ Nano pickaxe
+ Nano Saber
+ Nano hoe
+ Quantumarmor
+ permissions for the Invinsibility tome

Version 1.0
+ custom Join and Leave messages
+ Firework on Join and Death
+ Message when the owner is coming
+ NanoSuit
+ Supermeat
+ Portable dustbin, crafter and enchanter
+ ender backpack
+ invisibility tome
+ Book of teleporting
+ Book of heads
+ /destroy
+ /explode
+ /port
+ /milk
+ /sfreload
+ /invincible
+ /nausea
+ /lightning