From the .com newsQuote:
CHANGE LOG - 5/9/2013
NEW MINI ADVENTURES
3 new mini adventures were implemented into the game: Sleepy Reef,
The Sleeping Volcano and Pirate Life.
NEW FEATURE: PREMIUM ACCOUNT
This feature provides you following advantages:• 50% more experience points (loot)
• 50% more loot from adventures
• Additional building queue slot
• Increase of buffs' time on friend zones
• One additional (regular) daily quest per day
Additional details can be found here!
Feel free to visit the official forums to find out more details.
NEWS AND MODIFICATIONS: SHOP• New category related to Premium Account feature.
• The Invasion of the Nords adventure has been added to the Shop.
• The limit of Gem pits has been increased to 10 (in total).
• Two new buffs: Enhanced gold pickaxe and Enhanced iron pickaxe.
• It is now possible to send Gems to friends as gifts.
• Limited offers in the shops will be removed! Make your last purchases!
FIXES AND IMPROVEMENTS• Using keyboard shortcuts will no longer lead to visual issues.
• Sometimes the icon indicating new messages was not showing up
properly.
• Several improvements related to various quests.
• The text in the Archive window is not editable anymore.
• A few interface improvements.
• The process related to switching between zones has been improved.
Please feel free to leave feedback in the Changelog Feedback Thread here!
Happy settling!

