The Winter Wastelands 1.1.3 Update came out on February 22, 2022, and the game has been free (no longer $4.99) since February 27, 2022. Below are some of the features included in this update and a link to a previous community announcement post explaining the game's price change. Thank you!
Features:
1. After 3 seconds, the stamina bar reloads
2. Increased invincibility frames
3. Made The Knight's sword destructible to crystal projectiles
4. Made vines easier (only in easy-mode)
https://steamcommunity.com/games/1380490/announcements/detail/3112553992712037083