Major:
10 New H-CG: Alraune, Glorp-Chan, Jessie, and Three VIP Characters
3 New Characters: Snow Leopard, Griffon, and Ant
Ale and Grapes Tier 2: H-Scene with Clover, 'Grand Crop' system and new upgrades
Tea Tier 2: H-Scene with Jessie, 'Milk Overload' system and new upgrades
Gin Tier 2: H-Scene with Glorp-chan, 'Stocks' system and new upgrades
New Map: 'Gate', featuring Tessa the ant girl and some new puzzles. Can be accessed from the Farm by clearing some rubble at Level 10.
Major Feature: Spelunking, an RPG-Puzzle minigame that lets you earn bonuses for the main game. Currently, five caves are available. There's also a level editor where you can make your own levels, export/import, share with others and levels by others. Personally, I'd love to try some of your levels.

Minor:
Skeleton Chest 4: You can now hover over item portraits to see your Demand and Value from anywhere. Additionally, you can click on the item portraits to disable selling.

Added overworld pixel art for Xion, Bubbles, and Maeve. Additional pixel art also appears at the bar after Snow Leopard and Griffon VIP events.
Spirit and Berries: now have a stock limit of 300 x 10^Shop Tier. (300 -> 3,000 -> 30,000)
Meals: can now be bought in bulk, once you can afford over 10.
Portals: Now unlock automatically once enough MP is invested
Velvet: Now has unique dialogue for each unlocked portal
Spelunking Unlockable: Taven Teleport Button: Teleport to the Tavern at the touch of a button from anywhere on the map
Spelunking Unlockable: Quick-Buy Gin Ingredients while brewing from the basement.
Stats are now always available from the Bedroom (no longer an upgrade from Skeleton Chest 4)
Added a Cocktail upgrade
Minor Feature: 'Random VIP', when you've seen all VIP content in the game, you can now choose a random VIP.