Details:

• Adds Shipwrecks and Ocean Ruins to the entire overworld.
• Adds Blobs of debris floating on the water.
• Changes loot for various underwater structures.
• Mud generates on the flooded seafloor, leaves on the mud in forests, and sponges on the mud in jungles.
• lily pads grow in deserts.
• world generation height is capped at Y=128, the flooding goes to Y=115, leaving mountaintops as islands.