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  1. Minecraft: Java Edition
  2. MC-137331

Hostile and neutral mobs rarely spawn in positive Z coordinates


    • Icon: Bug Bug
    • Resolution: Fixed
    • Minecraft 1.13.2-pre2
    • Minecraft 1.13.2-pre1
    • None
    • Multiplayer server running 1.13.2-pre1
    • Unconfirmed

      We have a standard donut pigman farm above the nether ceiling which worked fine until 1.13.2-pre1. Now no pigmen spawn. After some testing, it appears that pigmen will not spawn when the z coordinate is positive. I built four platforms, one in each quadrant around 0,0, and no pigmen ever spawn on the platforms where z is positive. I have not yet tested this below the nether ceiling, but it seems likely that the same is true there.

      EDIT: Affects neutral and hostile mobs in all dimensions

            dinnerbone [Mojang] Nathan Adams
            ednoria Diane Donaldson
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