Optimized Block Entities [OBE]

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

Evidence

Ran on Kiln's test stand (2026-11-04): OBEClient did not start: java.lang.NoClassDefFoundError: net/minecraft/server/packs/resources/PreparableReloadListener.

What it needs from Kiln

an access widener
Mixin
com.mojang.authlib.GameProfile
com.mojang.authlib.properties.Property
com.mojang.authlib.properties.PropertyMap
com.mojang.blaze3d.platform.Transparency
com.mojang.blaze3d.vertex.PoseStack
com.mojang.blaze3d.vertex.PoseStack.Pose
com.mojang.math.Axis
com.mojang.math.Transformation
net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback
net.fabricmc.fabric.api.client.command.v2.ClientCommands
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents.Load
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents.Unload
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents.AfterClientLevelChange
net.fabricmc.fabric.api.resource.v1.ResourceLoader
net.fabricmc.loader.api.ModContainer
net.fabricmc.loader.api.metadata.ModMetadata
net.minecraft.client.gui.components.AbstractSelectionList
net.minecraft.client.gui.components.AbstractSelectionList.Entry
net.minecraft.client.gui.components.AbstractSliderButton
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.ContainerObjectSelectionList
net.minecraft.client.gui.components.ContainerObjectSelectionList.Entry
net.minecraft.client.model.geom.EntityModelSet
net.minecraft.client.model.geom.ModelLayerLocation
net.minecraft.client.model.geom.ModelLayers
net.minecraft.client.model.geom.ModelPart
net.minecraft.client.model.geom.ModelPart.Cube
net.minecraft.client.model.geom.ModelPart.Polygon
net.minecraft.client.model.geom.ModelPart.Vertex
net.minecraft.client.model.geom.ModelPart.Visitor
net.minecraft.client.model.geom.builders.UVPair
net.minecraft.client.renderer.MultiblockChestResources
net.minecraft.client.renderer.Sheets
net.minecraft.client.renderer.block.BlockStateModelSet
net.minecraft.client.renderer.block.dispatch.BlockStateModel
net.minecraft.client.renderer.blockentity.BannerRenderer
and 49 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 client-side optimization mod to make block entities render faster

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file obe+26.3-1.2.1.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.