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  1. Minecraft: Java Edition
  2. MC-48923

Slime/magma cubes not affected by jump boost potion effect

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    • Icon: Bug Bug
    • Resolution: Fixed
    • 23w18a
    • Minecraft 14w07a, Minecraft 14w10c, Minecraft 14w34d, Minecraft 1.8, Minecraft 15w33b, Minecraft 15w33c, Minecraft 15w39c, Minecraft 15w40a, Minecraft 15w41b, Minecraft 15w42a, Minecraft 15w44a, Minecraft 16w06a, Minecraft 1.9.1, Minecraft 1.9.2, Minecraft 1.9.3 Pre-Release 2, Minecraft 1.10.2, Minecraft 16w33a, Minecraft 16w43a, Minecraft 1.11.2, Minecraft 17w18b, Minecraft 1.12 Pre-Release 1, Minecraft 1.12 Pre-Release 2, Minecraft 1.12, Minecraft 1.12.1, Minecraft 1.12.2, Minecraft 17w43a, Minecraft 17w46a, Minecraft 17w47a, Minecraft 17w47b, Minecraft 17w48a, Minecraft 17w50a, Minecraft 18w01a, Minecraft 18w02a, Minecraft 18w03b, Minecraft 18w05a, Minecraft 18w06a, Minecraft 18w08b, Minecraft 18w11a, Minecraft 18w16a, Minecraft 18w21a, Minecraft 1.13-pre5, Minecraft 1.13.1, Minecraft 1.13.2, Minecraft 18w50a, Minecraft 1.14 Pre-Release 5, 1.14.4, 19w40a, 19w45b, 1.16 Pre-release 1, 1.16.2, 1.16.3 Release Candidate 1, 1.16.3, 1.16.4 Pre-release 2, 1.16.4, 20w46a, 20w48a, 20w51a, 21w03a, 21w05b, 21w06a, 21w07a, 21w14a, 21w17a, 1.17, 1.17.1, 1.18.1, 1.18.2, 22w11a, 1.19, 1.19.2, 22w45a
    • Confirmed
    • Mob behaviour
    • Low

      The bug

      Slimes and magma cubes do not jump higher with the Jump Boost effect, although it still reduces fall damage for Slimes.

      Steps to reproduce

      1. Spawn Slime
      2. Run command 
        /effect give @e[type=slime] minecraft:jump_boost 60 10 false

      Now you should see the particle effect, but the slime doesn't jump higher than normal.

      For example see attached video or http://youtu.be/Upb30KUOVCM

      Code analysis

      Code analysis can be found in this comment.

        1. MC-48923.mp4
          6.10 MB
        2. MC-48923.png
          MC-48923.png
          1.03 MB
        3. mcrft-2014-02-17-13-44-29.mp4
          8.63 MB

            elvendorke [Mojang] elvendorke
            Sonicwave [Mod] Sonicwave
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              Created:
              Updated:
              Resolved:
              CHK: