This big has been in mcpe since crafting came out the game gets really boring due to this how people do it is by placing a certain block down and then exit out of the app then they delete mcpe from history and you go back into the game please fix can't do that on PC!
MCPE-2124
Block and chest duplicating
Resolved
Duplicate
0
Duplicate of who knows what. PLEASE use the search function to search for your issues. Just ask on a random recently commented issue, and they should reply. Or ask here...