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  1. Minecraft: Java Edition
  2. MC-88959

Piston no longer retracts an extended piston when de-powered at the same time

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • Minecraft 15w38b, Minecraft 15w45a, Minecraft 15w46a, Minecraft 15w47b, Minecraft 15w50a, Minecraft 16w03a, Minecraft 16w04a, Minecraft 16w05a, Minecraft 16w05b, Minecraft 16w06a, Minecraft 16w07a, Minecraft 1.9 Pre-Release 1, Minecraft 1.9 Pre-Release 2, Minecraft 1.9 Pre-Release 3, Minecraft 1.9 Pre-Release 4, Minecraft 1.9, Minecraft 1.9.1, Minecraft 1.9.2, Minecraft 16w14a, Minecraft 16w15a, Minecraft 16w15b, Minecraft 1.9.3 Pre-Release 1, Minecraft 1.9.3 Pre-Release 2, Minecraft 1.9.3 Pre-Release 3, Minecraft 1.9.4, Minecraft 16w20a, Minecraft 1.10, Minecraft 1.10.2, Minecraft 16w40a, Minecraft 16w42a, Minecraft 16w44a, Minecraft 1.11, Minecraft 1.11.2, Minecraft 17w06a, Minecraft 17w13a, Minecraft 17w14a, Minecraft 17w15a, Minecraft 17w16a, Minecraft 17w16b, Minecraft 17w17a, Minecraft 17w17b, Minecraft 1.12 Pre-Release 5, Minecraft 1.12 Pre-Release 6, Minecraft 1.12 Pre-Release 7, Minecraft 1.12, Minecraft 1.12.1 Pre-Release 1, Minecraft 1.12.1, Minecraft 1.12.2, Minecraft 17w43b, Minecraft 17w45b, Minecraft 17w46a, Minecraft 17w47a, Minecraft 17w47b, Minecraft 17w48a, Minecraft 17w49a, Minecraft 18w03b, Minecraft 18w05a, Minecraft 18w20c, Minecraft 18w21b, Minecraft 1.13-pre1, Minecraft 1.13-pre3, Minecraft 1.13-pre4, Minecraft 1.13-pre9, Minecraft 1.13, Minecraft 18w30b, Minecraft 18w33a, Minecraft 1.13.1-pre1, Minecraft 1.13.1-pre2, Minecraft 1.13.1, Minecraft 1.13.2, Minecraft 18w43a, Minecraft 18w44a, Minecraft 18w45a, Minecraft 18w46a, Minecraft 18w47a, Minecraft 18w48a, Minecraft 18w48b, Minecraft 18w49a, Minecraft 18w50a, Minecraft 1.14 Pre-Release 2, Minecraft 1.14 Pre-Release 3, Minecraft 1.14 Pre-Release 4, Minecraft 1.14.1, Minecraft 1.14.2, Minecraft 1.14.3, Minecraft 1.14.4 Pre-Release 2, Minecraft 1.14.4 Pre-Release 3, Minecraft 1.14.4 Pre-Release 5, Minecraft 1.14.4 Pre-Release 6, 19w35a, 19w36a, 19w38b, 1.15.1, 1.15.2, 20w06a, 20w12a, 20w13b, 20w20b, 1.16 Release Candidate 1, 1.16, 1.16.2, 1.16.3, 20w46a, 20w51a, 1.17.1, 1.18.1, 1.19.3
    • Confirmed
    • Redstone
    • Low
    • Platform

      The bug

      Double piston extenders no longer retract both pistons at the same time, when they are depowered in the same game tick.
      This behaviour (retracting both pistons at the same time) was classified as "Works As Intended" in MC-9342.

      How to recreate

      This behaviour was always dependant on the update order. The piston in the back had to receive the update first. To influence the update order one way was to power the front piston with a comparator and the back piston with a repeater. This behaviour was also reliable with doublepiston extenders facing upwards, being de-powered by a torch or a minecart powering a downwards facing double piston.

      Also the double retraction had to happen within the same block event.

        1. 2015-09-17_23.44.02.png
          2015-09-17_23.44.02.png
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        2. 2015-09-18_05.13.41.png
          2015-09-18_05.13.41.png
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        3. 2015-09-18_05.14.19.png
          2015-09-18_05.14.19.png
          473 kB

            Unassigned Unassigned
            ilmango ilmango
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              Created:
              Updated:
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