Bukkit

1.3.11

Added disabled_worlds config option

Improved enable/disable i/o

Changed fortune calculation to better match high level fortune

1.4.0

Changed storage format

Improved efficiency greatly for servers with high numbers of furnaces

Fixed furnaces not loading for worlds that are not loaded before EnchantedFurnace loads

Capped unbreaking's effect on fuel to prevent some issues with higher levels of unbreaking

Craftbukkit #3071+ (1.7.9-R0.1) or Spigot #1336+ required for inbuilt enchanting
If you are not running one of these builds, be sure to negate the node "enchantedfurnace.enchant" for all users and groups - this should allow EnchantedFurnace 1.2.0+ to run without issues on lower builds.