Having an issue with Tinker's Construct, forge multipart, microblocks, backpacks, and some other kinds of items. I started on the Tinker's Construct github, followed that to MCPC+, and then was lead to here.

When returning many of these items to inventory (switching worlds/gamemodes), they lose their NBT data and the items are rendered meaningless. For more background on the issue at hand, here is a link to the issue I posted on MCPC+:

MinecraftPortCentral/Cauldron#518 (comment)

Any help would be much appreciated. Your plugin is extremely useful on my server.