Light Level Simple

Evidence

Ran on Kiln's test stand (2026-11-04): LightLevelSimpleFabricClient did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/rendering/v1/level/LevelExtractionEvents.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.pipeline.RenderTarget
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.systems.RenderSystem
• com.mojang.blaze3d.systems.RenderSystem.AutoStorageIndexBuffer
• com.mojang.blaze3d.systems.SamplerCache
• com.mojang.blaze3d.vertex.BufferBuilder
• com.mojang.blaze3d.vertex.ByteBufferBuilder
• com.mojang.blaze3d.vertex.DefaultVertexFormat
• com.mojang.blaze3d.vertex.MeshData
• com.mojang.blaze3d.vertex.MeshData.DrawState
• com.mojang.blaze3d.vertex.VertexConsumer
• com.mojang.renderpearl.api.buffers.GpuBuffer
• com.mojang.renderpearl.api.commands.CommandEncoder
• com.mojang.renderpearl.api.commands.RenderPass
• com.mojang.renderpearl.api.commands.RenderPass.Draw
• com.mojang.renderpearl.api.commands.RenderPass.UniformUploader
• com.mojang.renderpearl.api.device.GpuDevice
• com.mojang.renderpearl.api.pipeline.CompiledRenderPipeline
• com.mojang.renderpearl.api.pipeline.IndexType
• com.mojang.renderpearl.api.pipeline.PrimitiveTopology
• com.mojang.renderpearl.api.pipeline.RenderPipeline
• com.mojang.renderpearl.api.pipeline.RenderPipeline.Snippet
• com.mojang.renderpearl.api.textures.FilterMode
• com.mojang.renderpearl.api.textures.GpuSampler
• com.mojang.renderpearl.api.textures.GpuTextureView
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionContext
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionEvents
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionEvents.EndExtraction
• net.minecraft.client.Camera
• net.minecraft.client.OptionInstance
• net.minecraft.client.Options
• net.minecraft.client.renderer.DynamicGpuData
• net.minecraft.client.renderer.DynamicGpuData.Transform
• net.minecraft.client.renderer.GameRenderer
• net.minecraft.client.renderer.culling.Frustum
• net.minecraft.client.renderer.state.level.CameraRenderState
• net.minecraft.client.renderer.state.level.LevelRenderState
• net.minecraft.client.renderer.texture.AbstractTexture
• net.minecraft.client.renderer.texture.TextureManager
• net.minecraft.core.SectionPos
• and 42 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

A Simple light level overlay mod!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file lightlevelsimple-fabric-26.3-1.0.0.jar. The scan reads the mod's classes; it does not run them.