Afterburner

Evidence

Ran on Kiln's test stand (2026-11-04): it stopped at com.afterburner.Features, a class from a jar nested inside the mod; Kiln does not unpack nested jars yet.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• io.netty.buffer.ByteBuf
• io.netty.buffer.Unpooled
• io.netty.channel.Channel
• io.netty.util.Attribute
• io.netty.util.AttributeKey
• net.fabricmc.api.EnvType
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents.AfterClientLevelChange
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopped
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.SharedConstants
• net.minecraft.WorldVersion
• net.minecraft.client.gui.screens.PauseScreen
• net.minecraft.client.multiplayer.ClientChunkCache
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.renderer.chunk.SectionRenderDispatcher
• net.minecraft.client.renderer.chunk.SectionRenderDispatcher.RenderSection
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.core.SectionPos
• net.minecraft.network.Connection
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.RegistryFriendlyByteBuf
• and 35 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Mixin (0.5)

In the author's words

An all-in-one performance mod that makes Minecraft run smoother and faster by optimizing everything from chunk rendering to world simulation.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file afterburner-0.2.7+26.3-fabric.jar. The scan reads the mod's classes; it does not run them.