Infinitory 1.5.0-pre.4+1.20
Minecraft 1.20.1
Quilt 1.19.2

If you have multiple of a stackable item, and drag, every dragged slot will reset to the stack size that was selected.
The effects are multiplicative, and the bug can be done accidentally. I was easily able to go from 7 netherite ingots, to 4 billion netherite blocks.

Unstackable items are unaffected, and if you only have one of a stackable item, you cannot execute the glitch.

Just found my self the same bug, wanted to report it to

This is such a great mod, it really allows me to play more in the short time i have available. I would love to have this bug fixed. (im a weak person, i will cheat if given the change xD)

Please DO NOT report bugs of my fork to this page. :/