Here is the full changelog of what has changed from the original release:

[ADDED]
-Steam Deck support
-Controller support
-4:3, 21:9 and 4K resolution support
-New intro logo
-New secret level
-New tips on loading screens
-New background on Chapter 2
-Particle effects when shooting snow or fireballs
-New pause menu, it shows how many coins/candy you have, and the current mission
-You can no longer enter a level when you don't have the perk to complete the level
-Weapon change sound added on Chapter 2
-Snowballs now heals Reginald
-Added Reginald intro sound effect
-Added Reginald death sound effect
-Added Graves death sound effect
-Levels on Chapter 4 gives you candy

[FIXES]
-Performance optimalizations
-Localization fixes
-Improved loading times
-Main menu background fixed
-Parallax background and tile fixes on Level 8
-Tile fixes on Level 13
-Water freezing graphic glitch fixed
-Final Boss level fixes
-Intro cutscene missing Freezy and Chop fixed
-Level select fixes
-Cloud texture fixes
-Chop's axe bug fixed
-Frozen bat animation fixed
-Jumppad jump height fixed
-Walljump fixes
-Bee and bat death animation fixed
-Villagers door opening animation fixed on Chapter 4
-Fixed save file loading issue on Chapter 3 levels
-Bee placement fix on Level 3
-Intro cutscene background fixed
-You can no longer press pause when finished a level
-Spamming esc+0 no longer enables debug mode

[UPDATED]
-Redesigned movements on all characters
-Bomb drop angle re-adjusted
-New enemy sprites on Chapter 4
-Weapon speed and damage re-balanced
-Updated descriptions in perk shop
-Freezy snowball shooting re-adjusted
-Re-adjusted ghost locations on Chapter 2
-Mushroom grow icon changed on Chapter 3
-Updated sprites on Graves boss level
-Updated enemy sprites on Final Boss level
-Pickupbox always drops health and bomb
-Chapter 3 cutscene text updated
-Credits update

Thanks for the support from everyone!