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  1. Minecraft: Java Edition
  2. MC-223846

Data packs are sometimes not checked when a custom world is loaded for the second time

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Details

    • Bug
    • Status: Resolved
    • Resolution: Duplicate
    • 1.16.5, 21w16a
    • None
    • None
    • Unconfirmed
    • (Unassigned)

    Description

      Basically affects every version after custom biomes in data packs were added. Loading a world with a custom world generation data pack works fine, but in some cases closing and re-opening the world results in strange biomes ("minecraft:ocean", "minecraft:empty", or "null") replacing all biomes and extreme lag when crossing chunk borders.

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              Unassigned Unassigned
              ManosSef ManosSef
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                Resolved: