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  1. Minecraft: Java Edition
  2. MC-167143

Biomes converting into other biomes when upgrading from old versions

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    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • None
    • 1.14.4, 1.15 Pre-release 5, 1.15 Pre-release 6, 1.15, 1.15.1, 1.15.1 Pre-release 1, 1.15.2 Pre-Release 1, 1.15.2 Pre-release 2, 1.15.2, 20w06a, 20w07a, 20w08a, 20w09a, 20w10a, 20w11a, 20w12a, 20w13a, 20w13b, 20w14a, 20w15a, 20w16a, 20w17a, 20w18a, 20w19a, 20w20a, 20w20b, 20w21a, 20w22a, 1.16 Pre-release 2, 1.16 Pre-release 3, 1.16 Pre-release 5, 1.16 Pre-release 6, 1.16 Pre-release 7, 1.16 Release Candidate 1, 1.16, 1.16.1, 20w27a, 1.16.2, 1.16.3 Release Candidate 1, 1.16.3, 1.16.4, 20w51a, 1.17.1
    • None
    • Community Consensus
    • Datafixer

      I just created a world in 1.0.0 and all previously generated biomes converted into other biomes, for example, a swamp converted into snowy tundra or desert converted to forest.

      Relates to MC-31205

      I didn't test yet but I think it will 99.98% certainly happen if I convert an old world from the first version that had prooper biomes - alpha v1.2.0.

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            Unassigned Unassigned
            Vladimír W_V
            Votes:
            5 Vote for this issue
            Watchers:
            6 Start watching this issue

              Created:
              Updated:
              Resolved:
              CHK: