Modrinth does not currently have the snapshot on the website. (1.21-pre2)
Additions
doCreakingSpawning
gamerule.
Prevents a Creaking Heart from spawning a Creaking
Changes
- Updated to 1.21.2 Pre-release 2
Fixes
- Game should no longer crash when a player is hit by a Creaking
You could argue it did successfully make the pale garden harder.