Block Outline Customizer

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

Evidence

Ran on Kiln's test stand (2026-11-04): client entrypoint started, 1200 ticks without errors, nothing drawn on the HUD. Its Mixins were not applied, so that part of it is missing.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.vertex.PoseStack
com.mojang.blaze3d.vertex.PoseStack.Pose
com.mojang.blaze3d.vertex.VertexConsumer
com.mojang.renderpearl.api.pipeline.BlendFunction
com.mojang.renderpearl.api.pipeline.ColorTargetState
com.mojang.renderpearl.api.pipeline.RenderPipeline
com.mojang.renderpearl.api.pipeline.RenderPipeline.Builder
com.mojang.renderpearl.api.pipeline.RenderPipeline.Snippet
net.minecraft.client.gui.components.AbstractButton
net.minecraft.client.gui.components.AbstractSliderButton
net.minecraft.client.gui.components.AbstractWidget
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.Checkbox
net.minecraft.client.gui.components.Checkbox.Builder
net.minecraft.client.gui.components.Checkbox.OnValueChange
net.minecraft.client.gui.components.CycleButton
net.minecraft.client.gui.components.CycleButton.Builder
net.minecraft.client.gui.components.CycleButton.OnValueChange
net.minecraft.client.gui.components.EditBox
net.minecraft.client.gui.components.Tooltip
net.minecraft.client.renderer.RenderPipelines
net.minecraft.client.renderer.SubmitNodeCollector
net.minecraft.client.renderer.SubmitNodeCollector.CustomGeometryRenderer
net.minecraft.client.renderer.rendertype.LayeringTransform
net.minecraft.client.renderer.rendertype.RenderSetup
net.minecraft.client.renderer.rendertype.RenderSetup.RenderSetupBuilder
net.minecraft.client.renderer.rendertype.RenderType
net.minecraft.client.renderer.rendertype.RenderTypes
net.minecraft.client.renderer.state.level.CameraRenderState
net.minecraft.client.renderer.texture.OverlayTexture
net.minecraft.network.chat.CommonComponents
net.minecraft.tags.TagKey
net.minecraft.world.level.BlockGetter
net.minecraft.world.level.block.BedBlock
net.minecraft.world.level.block.ChestBlock
net.minecraft.world.level.block.piston.PistonBaseBlock
net.minecraft.world.level.block.piston.PistonHeadBlock
and 24 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 mod that let you customize the outline of blocks when you hover them.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file boc-26.3-fabric-1.5.0.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.