Item duplication issue in chests in unloaded chunks

[willstabeast]

There is a dupe glitch spreading on survival worlds
U must be away from people first they put stuff in chest exit join take it out then close minecraft from multitasking then join and its duplicated thanks for all the server software and please fix

[willstabeast]

Also if a person is louder in that chunk during duping it most likely won't work I've tested it

[willstabeast]

Loaded*

[willstabeast]

First u make sure people are not loaded by pressing pause and looking at people list then put item u want to dupe in chest exit to main menu join and take items back out then remove minecraft from multitasking then go back items should be in there inventory and in chest

[Midnight-Shadow]

Are you sure this isn't an issue in Minecraft itself? Try it in single player

[shoghicp]

Is this still happening on the latest 1.5 build?

[blindahl]

I think I reproduce this issue in the last dev version as well. In this video (sorry about the quality, go fullscreen and you will see what I'm doing) I unload chunks of coal to and from inventory/chest and it got multiplied. Happens with other items as well. I fiddle in single player as well but wasn't able to get the same issue when I tested.

Server info:
Server is running PocketMine-MP 1.6dev-1266 「[REDACTED]」 implementing API version 1.13.1 for Minecraft: PE v0.13.1 alpha (protocol version 38)
OS: Ubuntu 14.04
PHP: 5.6.10