An upward facing sticky piston pushing a redstone block will not retract when unpowered, nor when updated, but will only retract when the redstone block is removed. Link: http://imgur.com/a/2i9Vd
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sorry, I couldn't find anything in search
105th Duplicate of MC-108, please use the search function to see if your bug has already been submitted. Currently over 53% of tickets are being closed as duplicate.