Devs posted their planed development roadmap for 2018 ! :D
You can see it here : https://steamcommunity.com/games/606150/announcements/detail/1685918319417762259

Or a summary of the rodamap in a picture : http://moonlighterthegame.com/wp-content/uploads/2018/07/roadmap5-1.png

Simply wanted to share the info here because I really like this game :)