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Reproducible on seed -8590338427130770590, /tp -572 120 3663. The attached screenshots were taken in that area. Note that this is different from MC-125007 because this happens consistently, while MC-125007 is not reproducible consistently.
Mesa (Bryce) biome generates with seed of last world which generated the same biome before
Mesa (Bryce) cuts off at chunk borders and floats on top of water areas.