The Caves & Cliffs Worlds Preview data pack has been released specially for players who were unhappy with the changes in the 21w15a snapshot. It brings back all the changes in world generation that were removed, including the increased world height and new types of caves. This datapack works only on snapshots starting from 21w15a and higher.
How do I use the datapack?
- Download the file.
- Start creating a single player game.
- Click the Data packs button
- Drag the datapack into the minecraft window, then place it in the right column.
- Click “Finish” and continue creating the world.