When pushed by pistons, slime blocks will move immovable blocks, such as droppers, furnaces, dispensers, observers, etc. instead of ignoring them.
When pushed by pistons, slime blocks will move immovable blocks, such as droppers, furnaces, dispensers, observers, etc. instead of ignoring them.
It works as intended. Unlike in the PC edition, block entities (like droppers) are movable in PE. Slime blocks do ignore immovable blocks like obsidians and melons.