Piston issues
MC-94003Retracting pistons do not have any hitbox
Low
MC-134679Pistons (sometimes) do not retract without block update
Duplicate
MCPE-39516Piston destroy blocks instead of breaking the blocks.
Duplicate
MCPE-40317Powered Rails and Detector Rails remain powered when moved by piston
Duplicate
MC-147057Sticky pistons facing different directions are working in different ways.
Duplicate
MC-173043Piston staying activated with no redstone signal
Duplicate
MCPE-89921Observers dont activate redstone dust and repeaters when it is pushed by a sticky piston and that sticky piston gets powered by another observer
Confirmed
MC-195066Observer does not detect fence changing shape in a special case
Duplicate
MC-202948Super fast observer-clock after moving one observer with a piston
Duplicate
MCPE-120364Can push many gravity-affected-blocks with a piston when stacked together as described.
Incomplete
MCPE-165945Entities in blocks get pulled through the back of retracting sticky pistons
Confirmed
MCPE-174367Blocks appear to render twice while being pushed by piston.
Duplicate
MCPE-178248Entity(ies) inside an extended piston base gets moved to front of the piston when the piston is retracting
Confirmed
MCPE-181697Pistons & Sticky Pistons do not have new pitch sound change like Java Edition
Confirmed