Pistons do not behave consistently and may or may not retract when a Redstone signal is passed over a piston facing down. This behavior is dependent on the location of the piston, and the location of the power source on the Redstone line. These budded pistons retract when updated.
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MC-11193 The order in which powerable blocks (e.g. redstone dust blocks) along a wire are powered or de-powered is not clearly defined and causes a non-deterministic behavior for redstone contraptions
- Open
