Sometimes when the lava touches water from above it can generate cobblestone instead of stone and it's breaking some farms.
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I was about to say this didn't occur in my testing, but I ran a test & the cobblestone generates instead of stone. Despite being in Preview, this behavior appears identical to the original report.
Expected: Water flows faster than lava, meaning when stone is mined, water replaces the air before the lava can "fall" onto the water & produce more stone.
Actual: Lava replaces air before water can replace it, causing the lava to interact with water from the sides, producing cobblestone. Usually occurs when mining stone within a second after it generates, which is easily done with anything better than a wooden pickaxe. This does not match expected behavior, especially when lava replaces air faster than adjacent water source (water 1 block away is outpaced by flowing lava 1 block away).
Method: The copper grates are waterlogged, everything is over see-through barrier blocks, lava is allowed to flow as far as it can over the center waterlogged copper grate & generated stone/cobblestone.
Typo: "4 Random Discrepancy"
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