

ConfigurationsBackport
Brings back the 1.12.2 forge's Config annotation system to 1.8.9 using mixins. Its documentation is present at: https://docs.minecraftforge.net/en/1.12.x/config/annotations/
How to use?
You would use the Config annotations exactly the same way as u did in 1.12.2. But instead of net.minecraftforge.common.config.ConfigManager, its now my_life_is_bad.configurationsbackport.common.config.ConfigManager.
Example:
package my_life_is_bad.configurationsbackport;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.client.event.ConfigChangedEvent.OnConfigChangedEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.event.FMLConstructionEvent;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.fml.common.Mod.EventHandler;
import my_life_is_bad.configurationsbackport.common.config.ConfigManager;
import my_life_is_bad.configurationsbackport.common.config.Config;
@Mod(modid = ConfigurationsBackport.MODID, version = ConfigurationsBackport.VERSION)
public class ConfigurationsBackport {
public static final String MODID = "configurationsbackport";
public static final String VERSION = "1.1";
@Config(modid = MODID)
public static class Configuration {
@Config.Comment("String Entry: ")
public static String stringEntry = "I am a string :D";
@Config.Comment("Int Entry (Slider): ")
@Config.RangeInt(min = 1, max = 16)
@Config.SlidingOption()
public static int intSlider = 100;
@Config.Comment("Int Entry: ")
@Config.RangeInt(min = 1, max = 16)
public static int intEntry = 100;
@Config.Comment("Double Entry: ")
@Config.RangeDouble(min = 0.1D, max = 1.6D)
public static double doubleEntry = 0.1D;
@Config.Comment("Double Entry (Slider): ")
@Config.RangeDouble(min = 0.1D, max = 1.6D)
@Config.SlidingOption()
public static double doubleSlider = 0.1D;
}
@EventHandler
public void onFMLConstructionEvent(FMLConstructionEvent event) {
MinecraftForge.EVENT_BUS.register(this);
}
@SubscribeEvent
public void onConfigChangedEvent(OnConfigChangedEvent event) {
if (event.modID.equals(MODID)) {
ConfigManager.sync(MODID, Config.Type.INSTANCE);
}
}
}~~~~

Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.8.9
- 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 ConfigurationsBackport-1.8.9-1.1.jar — drop this file into the mods folder
- Download size: 1.0 MB
- Download link checked 30 Aug 2026 — working
These come from our own check of the pack file, not from the source page.