If a block of redstone placed next to a dropper/dispenser is pushed one block up by a piston, the dropper/dispenser will be budded until it fires once or until the redstone block is removed.
If a block of redstone placed next to a dropper/dispenser is pushed one block up by a piston, the dropper/dispenser will be budded until it fires once or until the redstone block is removed.
Please do not mark unreleased versions as affected.
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