Functional Storage Downgrade Fix
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
This is a patch that fixes the conditions under which Functional Storage's Iron downgrade can be applied and prevents the item overstack bug.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20.1 on Forge. On other versions it may install and then do nothing.
Functional Storage Downgrade Fix (MC 1.20.1)
A small patch that fixes an item overstack issue in Functional Storage for Minecraft 1.20.1. This patch fixes the conditions under which the Functional Storage iron downgrade can be applied and prevents the item overstack bug.
Requirements
- Minecraft 1.20.1
- Functional Storage (1.20.1-1.2.10 or later)
LICENSE
Functional Storage is distributed under the MIT License.
The original license text can be found in LICENSE-FunctionalStorage.
Disclaimer
This project is an independent compatibility fix and is not affiliated with the original Functional Storage developers.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- 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 CurseForge — 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.
- Ships as FunctionalStorage-Downgrade-Fix-1.2.0.jar — drop this file into the mods folder
- Download size: 147 KB
- Download link checked 3 Oct 2026 — working
These come from our own check of the pack file, not from the source page.