When pointed dripstone is placed on the bottom of a block all the way to the ground and then the block it is hanging from is broken, instead of dropping 1-0 pointed dripstone per block, it has the chance to drop 0-2 pointed dripstone per block. In my case it usually always drops 2 pointed dripstone per block.
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We're tracking this issue in MC-206613, so this ticket is being resolved and linked as a duplicate.
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