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  1. Minecraft: Java Edition
  2. MC-97087

Attributes won't work in main hand if they were in offhand

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    • Icon: Bug Bug
    • Resolution: Fixed
    • 1.21 Pre-Release 1
    • Minecraft 16w06a, Minecraft 1.9 Pre-Release 1, Minecraft 1.9 Pre-Release 2, Minecraft 1.10.2, Minecraft 16w33a, Minecraft 16w35a, Minecraft 16w36a, Minecraft 16w40a, Minecraft 1.11.2, Minecraft 17w06a, Minecraft 1.12, Minecraft 1.12.1, Minecraft 1.13.1, Minecraft 1.14.3, 1.15.2, 1.16 Release Candidate 1, 1.16, 1.16.1, 20w28a, 20w30a, 1.16.2 Pre-release 1, 1.16.2 Release Candidate 1, 1.16.2 Release Candidate 2, 1.16.2, 1.16.3 Release Candidate 1, 1.16.3, 1.16.4 Pre-release 1, 1.16.4 Pre-release 2, 1.16.4 Release Candidate 1, 1.16.4, 20w46a, 20w48a, 20w51a, 21w03a, 1.16.5, 21w05a, 21w05b, 21w06a, 21w07a, 21w11a, 1.17 Pre-release 2, 1.17, 1.18.1, 1.18.2, 22w15a, 1.19, 1.19.2, 1.19.4, 1.20 Pre-release 7, 1.20.3 Release Candidate 1, 1.20.4, 24w10a, 1.20.5, 1.20.6, 24w20a
    • Confirmed
    • Items
    • Normal
    • Platform

      The bug

      An attribute on an item will not be effective if switched from offhand to main hand.

      How to reproduce

      1. Use the following command: 
        /give @s stone{AttributeModifiers:[{AttributeName:generic.movement_speed,Amount:1,UUID:[I;1,2,3,4]}]}
      2. Take the item in hand
      3. Press the F key once to switch the item to secondary hand
      4. Press the F key again to switch the item back to main hand
        → The attribute change is no longer applied

      Examples

      Additional note

      This allows a player to chose if he or if he doesn't want he attribute being applied.
      i.e. It's not possible to create strong weapons with an attribute counterpart (-health or -speed for example) which is pretty bad for mapmakers.

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        4. Attributes won't work in main hand if they were in offhand.mp4
          6.44 MB
        5. MC-97087.mp4
          5.48 MB

            slicedlime [Mojang] slicedlime
            Viandox Victor Deshayes
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            27 Vote for this issue
            Watchers:
            7 Start watching this issue

              Created:
              Updated:
              Resolved:
              CHK: