Hi there,

I recently discovered that on Minecraft Bedrock that pistons and sticky pistons can only push slimeblocks and honeyblocks vertically, not horizontally. However I can´t confirm that the issue is on all versions but I tested on Minecraft Nintendo Switch and on Minecraft Education Edition and it looks like the issues are on the 2 platforms. This can mean that it could be on all versions of Minecraft Bedrock, but again I can´t confirm because don´t have all the versions.