i first noticed after 1.16 my 3x3 sand and concrete doors were all busted, basically as the blocks are dropped all but the bottom falling blocks are broken.
this is on a bedrock realm, not sure as if this makes a difference, i presume it would be the same on single player worlds.
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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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