[MC-301992] Clay blocks randomly generate in existing chunks while playing (1.21.8, singleplayer)

im playing in the newest version (1.21.8) in my singleplayer world and out of nowhere there are generate clay blocks in multiple chunks

( 4 or more) while im in game (i didn't save my game in a while) or reloading the world.

is this normal ?

there are more than i expected…..(8 or more chunks)

Environment

hardcore,
Mushroom Fields,
single player,
1.21.8,
spawning blocks: clay_block

Attachments

Comments 2

Willy 2025-09-09T20:53:15Z

This is likely from endermen, as one of the blocks they can pick up and place down are clay blocks. The reason there are so many clay blocks is because there is probably a lush cave nearby, which generates tons of clay. I’ve noticed this myself and it is normal, just endermen having fun placing blocks.

clamlol 2025-09-09T23:02:45Z

Yeah this is intended behavior (for some reason), so this report will be resolved as Invalid. If you wish to disable this behavior you can do so with a datapack; search the web to find a pack that supports 1.21.8.