Lighty

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): LightyFabric did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/event/EventFactory.

What it needs from Kiln

Mixin
com.mojang.blaze3d.vertex.VertexConsumer
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents.AfterClientLevelChange
net.fabricmc.fabric.api.event.EventFactory
net.minecraft.client.OptionInstance
net.minecraft.client.OptionInstance.CaptionBasedToString
net.minecraft.client.OptionInstance.IntRange
net.minecraft.client.OptionInstance.TooltipSupplier
net.minecraft.client.OptionInstance.ValueSet
net.minecraft.client.OptionInstance.ValueUpdateListener
net.minecraft.client.Options
net.minecraft.client.gui.components.Button
net.minecraft.client.gui.components.Button.Builder
net.minecraft.client.gui.components.Button.OnPress
net.minecraft.client.gui.components.OptionsList
net.minecraft.client.gui.components.Tooltip
net.minecraft.client.gui.layouts.FrameLayout
net.minecraft.client.gui.layouts.GridLayout
net.minecraft.client.gui.layouts.GridLayout.RowHelper
net.minecraft.client.gui.layouts.LayoutSettings
net.minecraft.client.gui.screens.options.OptionsSubScreen
net.minecraft.client.renderer.chunk.ChunkSectionLayer
net.minecraft.client.renderer.extract.LevelExtractor
net.minecraft.client.renderer.texture.TextureAtlas
net.minecraft.client.renderer.texture.TextureAtlasSprite
net.minecraft.client.resources.model.sprite.AtlasManager
net.minecraft.client.resources.model.sprite.SpriteId
net.minecraft.core.SectionPos
net.minecraft.network.chat.CommonComponents
net.minecraft.tags.BlockTags
net.minecraft.util.LightCoordsUtil
net.minecraft.world.level.LightLayer
net.minecraft.world.level.block.BasePressurePlateBlock
net.minecraft.world.level.block.ButtonBlock
net.minecraft.world.level.block.CarpetBlock
net.minecraft.world.level.block.DiodeBlock
net.minecraft.world.level.block.FarmlandBlock
net.minecraft.world.level.block.LeverBlock
net.minecraft.world.level.block.MagmaBlock
net.minecraft.world.level.block.MossyCarpetBlock
and 28 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

The Light Overlay Mod with a twist!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file lighty-fabric-4.0.1+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

Thank you. Your report is counted.