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  1. Minecraft: Java Edition
  2. MC-272374

24w21b will not upgrade attribute_modifiers from previous versions

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    • Icon: Bug Bug
    • Resolution: Fixed
    • 1.21 Pre-Release 1
    • 24w21b
    • None
    • Community Consensus
    • Datafixer
    • Very Important
    • Platform

      Upgrading the world to 24w21b causes items' custom attribute_modifiers to disappear

       

      This may be that the attribute_modifiers format is different between the new version and the old version

       

      Since the old attribute_modifiers do not have an id field, so
      You can consider updating Name or uuid to id,
      Otherwise, all custom attribute_modifier items will be invalid.

        1. 2024-05-23 193922.png
          2024-05-23 193922.png
          55 kB
        2. 24w20a.png
          24w20a.png
          202 kB
        3. 24w21b.png
          24w21b.png
          218 kB

            gegy1000 [Mojang] Gegy
            Kirby46994 beebee
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              Created:
              Updated:
              Resolved:
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