Version 1.9.5 was a major update released around March 2018, introducing significant new gameplay modes and customization options.
: The minimap was updated to follow player movement and rotation, making it easier to traverse the game's open-world maps. Academic Research on Lake Ice Simulation File: Ice.Lakes.v1.9.5.zip ...
: A complete rework allowing for thousands of unique outfit combinations using dozens of new hats, characters, and color variations. Version 1
: A study using the Canadian Small Lake Model (CSLM) to simulate the growth and breakup of ice cover on small boreal lakes. : A study using the Canadian Small Lake
: The addition of a "Charms" menu to choose decorations that appear beside your fishing hole.
: A competitive mode where players must stay inside a moving "storm" while catching as many fish as possible.
Depending on whether you are looking for information on the of version 1.9.5 or academic research into lake ice simulations, here are the relevant resources: Game Documentation for Ice Lakes v1.9.5