World was converted from 1.11.2 to 21w43a. In old chunks grass blocks was randomly placed on the ground.
Reproduce:
Create a world in 1.11.2.
Fly towards beaches near the oceans
Convert it to 21w43a
Observed Result
Some grass blocks/dirt blocks randomly placed on the ground
Expected Result
Grass blocks/dirt blocks don't randomly placed on the ground
Thank you for your report!
We're tracking this issue in MC-239851, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as Fixed. Please check the Fix Version/s field in that ticket to see in which version this behavior was or will be fixed.
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