Bukkit

• Reduce chance of connection pool errors
  
• InfoSigns can now accept multipliers (A number placed on the fourth line of the InfoSign will change the amount the price is calculated for, allowing you to display the value of a stack or a custom number of items.)
  
• Lowered default max SQL threads
  
• Adjusted prices and reduced enchantment prices
  
• Item displays should be less likely to spawn glitched or get knocked off their block
  
• Transaction signs can now be used with shop permissions if both use-shop-permissions and require-transaction-signs-to-be-in-shop are enabled
  
• Added an option to limit info commands to shop regions.
  
• InfoSign and item display code improvements
  
• Add chestshop compatibility with StackableItems
  
• Make adding/removing items from shops more reliable...especially with capital letters.
  
• /hv can now display enchantment values

The /importsql command is not finished.  I wouldn't recommend using it.  The backups should be good for a future update, however.