version 1.7.10, several duplication (dupe) glitches were widely documented, often exploiting inventory management, chunk boundaries, or specific block interactions. While many have been patched in modern versions of the
Using these on public servers is typically a bannable offense and can be detected by anti-cheat plugins like Paper or Spigot World Corruption
: Push a minecart containing a chest (filled with items to duplicate) into the portal. minecraft 1710 dupe work
A classic method that worked throughout the 1.7 cycle involves breaking an item frame at the exact moment it is moved by a piston.
: Place an item frame precisely on the boundary and place the item you wish to duplicate inside it. version 1
Five minutes later, the server restarted. When it came back up, the dupe was dead. Any attempt to replicate it crashed the client. But Jesse's original wither skull remained. So did the achievement, hidden from everyone but him.
The Process:
On Modern Servers (1.20+): No. The session handling was completely rewritten in 1.13 (CVE-2018-0001 style patch).
To avoid the dupe glitch, players should be cautious when dropping items from their inventory, especially in multiplayer servers. Server administrators can prevent the glitch by setting up plugins or mods that monitor and prevent item duplication. : Place an item frame precisely on the