I'm new to making mods, but a long time programmer.
I'm making a mod currently and also adding it to a mod pack.
One of the mods in the modpack is causing an issue with stackable items.
1. Items won't stack and they are below their limit. ex limit 64. But we have a stack of 2 and a stack of 4 they won't combine. in that example, new items will stack on the 4 but not the 2 stack.
2. Behavior is completely random and affects all items in the game no matter what modpack or container they are in.
3. If we break the stacks up in the 4 and tw