: This involves placing items in a chest, waiting a specific amount of time for a "world save" to trigger, then force-closing the game (e.g., via Task Manager or Alt+F4) immediately after taking them out.
: Turn the machine on. While the pistons are rapidly moving the hoppers, spam-click (repeatedly open) one of the hoppers. duplication-glitch-minecraft-bedrock
As of April 2026, the most prominent duplication glitch in Minecraft Bedrock (versions 1.21 to 26.13) utilizes a . This method exploits how the game handles item data when a "bundle" is moved between storage containers (Hoppers) at the exact moment a player interacts with them. The Bundle & Hopper Duplication (v26.13) : This involves placing items in a chest,