great work on hitting the seasonal milestone, just need to keep it out of a closet and add more meat to this skeleton =). That gif of changing seasons reminded me of Beasts and Bumpkins, just gotta implement a "character reproduction" mechanics, and aging to make it top notch, here's a reference picture by the way:
Seasons is a great opportunity to add more survival elements to make the game more challenging, really hoped for all of the seasons to last the same amount of time though, maybe with more content added for each season you will reconsider how long they last in the future.