"what does this do?"
- prevents creative tab groups from throwing an IllegalStateException for adding a same item stack twice, instead just cancelling and not adding the second item stack
"why?"
- why not?
"this is a little stupid"
- yeah
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.21.2, 1.21.3
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as who-cares-about-that-1.0.0.jar — drop this file into the mods folder
- Download size: 11 KB
- Download link checked 4 Sept 2026 — working
These come from our own check of the pack file, not from the source page.