1.13.1 (Fabric 26.1.x) is a release file of the Minecraft mod Frostbyte's Improved Inventory for Fabric, made for Minecraft 26.1, 26.1.1, 26.1.2. It was published on June 27, 2026 and is 3 MB in size. For the full description, screenshots and every other version, visit the Frostbyte's Improved Inventory mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
