At y=121, you can place warped/crimson fungi on their 'dirt' blocks, using bone-meal, they will sometimes clear out some bedrock blocks above them. Another way to fool it is putting warped/crimson blocks between the fungi and the bedrock and it let's it grow still.
MCPE-65757
Can clear nether ceiling with warped/crimson fungi
Resolved
Duplicate
0
Thank you for your report!
We're actually already tracking this issue under MCPE-65661 so I've requested this report be resolved and linked as a duplicate.
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