ctkrocks

Use trial keys to lock chests, doors, etc.

Transport villagers with llamas by giving them the lead.

Adds the Big Beak (a large ride-able bird), and the Hungry Dripleaf (a carnivorous plant).

6 new arrows and bows craftable in the fletching table.

Use a lightning rod to create a Copper Mace with a lightning attack.

Use the sniffer to locate biomes.

Adds a Nautilus mob that hides in suspicious gravel underwater.

Paint, brush your pets, remove moss, farm string, and more with brushes.

Use ender chests with hoppers.

Fill copper grates with water to create pipes

Adds an Echo Shard trim to armor via the Smithing Table.

Use an Echo Shard to upgrade a Goat Horn to perform sonic boom attacks

Upgrades to make decorated pots more useful.

Use copper to create tools and armor that change stats as they oxidize.

Locate vibrations through walls with an Echo Shard Spyglass

Use copper to craft horseshoes to upgrade your horse's speed and jump.

Meerkats and oases in the desert.

Use the creaking heart with different blocks to change the biome.

Create Echo Shards by having an Allay holding an Amethyst Shard get hit by a Warden's sonic boom.