New features:
The automation screen now contains a section allowing you to create "trade rules" to automatically trade resources at the market when your specified criteria are met
General gameplay
The "overworked population" multiplier has been expanded out into three different multipliers for overworking your population, running out of food and running out of gold, with each having a different effect
A number of warehouses in NPC cities have been converted into farms or mines, as the recent change to warehouse capacity made them effectively unlootable
Misc
The server infrastructure has changed to support multiple servers; this should have no visible impact on the client, but as with all large changes to code base this will increase the likelihood of bugs appearing or the server lagging