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  1. Minecraft: Java Edition
  2. MC-142192

Pistons can conduct redstone signal while retracting

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 18w50a, Minecraft 19w02a, Minecraft 19w12b
    • Fix Version/s: Minecraft 19w13b
    • Labels:
    • Environment:

      Windows 10

      Java Version 8 Update 191 (build 1.8.0_191-b12)

    • Confirmation Status:
      Confirmed
    • Category:
      Redstone

      Description

      A redstone signal can pass through a piston like how it would be if you powered a block by repeater / redstone torch, but only when the piston is retracting.

      This is similar to the bug reported here, except the examples shown there no longer work in 19w02a.
      Except I found cases where the bug still works, as shown in the video below.

      What I expected to happen was...:
      Redstone signal should not have passed through the piston

      What actually happened was...:
      I could retrieve a redstone signal output from the piston, but only during the piston's retraction.

      Steps to Reproduce:
      Video shows examples and easy redstone contraptions to reproduce bug.

      Youtube Video

      More examples can be found in ilmango's video: https://www.youtube.com/watch?v=XxMa0O5rAiw
       

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              • Assignee:
                fry [Mojang] Georgii Gavrichev
                Reporter:
                ekul6547 Luke Meppem
              • Votes:
                26 Vote for this issue
                Watchers:
                14 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: