Villagers can be leashed. Making transportation easier
Villagers & Wandering Traders have randomized names based on their type
Villages have randomized names based on the types of Villagers which live in there
Trigger command for Villager Infos (Inventory, lvl, etc.) which also highlights the workbench the Villager has claimed
Opening chests near a Villager gives it a bit of bad reputation towards the player (Why should only Piglins be angry if you take their stuff?!)
Villagers have better or worse prices depending on whether they have a bed and/or meeting point (bell)
Villagers & Iron Golems heal over time when they are near their Village centre (Bell) when it's daytime
Some Villagers have small Fetch Quests, requiring the player to bring the items shown to it for a small reward.
Wandering Traders sell Mobheads (They do have noteblock sounds. Fancy, right?!)
Wandering Traders have a chance to sell enchanted treasure books
Wandering Traders announce their presence with an neat, randomized message and fireworks. They also glow for a short period of time when spawning
Wandering Traders have a chance to be a disguised Illusioner (indicated by particles)
Villagers without a profession babble about certain topics in different moods when interacting with them
Chance to change a Villagers type by giving it a certain item (Oak/Spruce/Jungle/Acacia Sapling, Mangrove Propagule, Snow, Dead Bush)
Players can give Master Traders (lvl 5) certain items based on their profession which they then start selling (for an increased price because stonks)
7 new Structures: Villager Outposts which have a special Villager Trader inside who sells items based on its profession as well as miniblocks (which also have noteblock sounds. Still fancy, RIGHT!?)
20+ new Advancements (in case you are looking for a new challenge)