KLF x KFF
This mod is resolving crash when installing KLF(KotlinLangForge) and KFF(KotlinForForge) at the same time in Forge 1.20.1.
And allowing the KFF API working as well.
So that the developer can use latest Kotlin API with KotlinLangForge
Quick facts
- 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 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 klf-x-kff-0.4.1-forge.jar — drop this file into the mods folder
- Download size: 6 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.