When you delete the block under the snow block (made of snow layers) will fall down, but when you place a snow layer on top of that block it won't fall down.
Steps to Reproduce:
Place a block.
Place eight snow layers on top of it to create a full snow block.
Place one snow layer on top of the snow block.
Break the block below the snow block.
Observed Results:
The snow block floats in the air.
Expected Results:
The snow block falls to the ground.
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