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  1. Minecraft: Java Edition
  2. MC-239856

Upgrading old worlds causes vines to have the wrong block state

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Details

    • Bug
    • Status: Resolved
    • Resolution: Fixed
    • 21w43a, 21w44a, 1.18 Pre-release 1
    • 1.18 Pre-release 2
    • None
    • Confirmed
    • Datafixer, World generation
    • Important

    Description

      The Bug

      When upgrading an old world to the latest version it causes vines to end up with the wrong block state

      Reproduce

      • Create a world in 1.11.2 with the seed: 7344104151492854341
      • Fly towards 104 ~ -123 (You should see a swamp biome)
      • Leave an upgrade your world to 21w43a
      • Fly towards the swamp

      World Download

      Here is a world download from the world converted from 1.11.2 to 21w43a. Go to this location to see the vines: /execute in minecraft:overworld run tp @s 224.61 77.23 -4.67 85.50 30.45

      Observed Result

      The block state of the vines were messed up

      Expected Result

      The block state of vines wouldn't change

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            People

              boq [Mojang] Bartosz Bok
              Thumpbacker [Helper] Anthony Cicinelli
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              Dates

                Created:
                Updated:
                Resolved:
                CHK: