As of the most recent update, bonemeal no longer works underwater to grow sea grass or corals. To reproduce, find or create an pool of water at least 2 blocks deep with sand, gravel, clay, or dirt at the bottom. Use the bonemeal on the blocks. Expected result: growth of sea grass or coral. Observed result: no effect.
MCPE-171734
Bonemeal not working underwater
Resolved
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