In this update we show lots of improvements to the internals of the game allow the revised merchant trading interface to work. It is the culmination of a lot of previous work. Then we show something that has been in the works for months: NPC desire fulfillment. When an NPC has nothing to do they will decide for themselves what to do.
http://www.archmagerises.com/news/2018/6/30/update-73-trade-world-simulation