When a piston moves a block vertically and on top of it there is a block of sand. The sand or any falling block, when it falls on the other block it breaks.
MCPE-92178
Falling sand can't fall on another block, due to the action of a sticky piston
Resolved
Duplicate
1
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We're tracking this issue in MCPE-81106, so this ticket is being resolved and linked as a duplicate.
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