in 1.13 pre-2 the following blocks create air spaces when underwater, shulker box, hopper, pressure plate, extended head, piston body sideways, anvil, chorus flower, and cactus. Image below
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in 1.13 pre-2 the following blocks create air spaces when underwater, shulker box, hopper, pressure plate, extended head, piston body sideways, anvil, chorus flower, and cactus. Image below
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Minecraft 1.13-pre2
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