Better Block Entities

Evidence

Ran on Kiln's test stand (2026-11-04): BBEFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/components/debug/DebugScreenEntry.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.blaze3d.vertex.PoseStack.Pose
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.entrypoint.EntrypointContainer
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.client.gui.components.debug.DebugEntryCategory
• net.minecraft.client.gui.components.debug.DebugScreenDisplayer
• net.minecraft.client.gui.components.debug.DebugScreenEntry
• net.minecraft.client.gui.screens.ChatScreen
• net.minecraft.client.model.geom.EntityModelSet
• net.minecraft.client.model.object.banner.BannerFlagModel
• net.minecraft.client.renderer.SubmitNodeCollection
• net.minecraft.client.renderer.SubmitNodeStorage
• net.minecraft.client.renderer.blockentity.BlockEntityRenderDispatcher
• net.minecraft.client.renderer.blockentity.state.BlockEntityRenderState
• net.minecraft.client.renderer.culling.Frustum
• net.minecraft.client.renderer.feature.ModelFeatureRenderer
• net.minecraft.client.renderer.feature.ModelFeatureRenderer.CrumblingOverlay
• net.minecraft.client.renderer.feature.ModelFeatureRenderer.Submit
• net.minecraft.client.renderer.feature.phase.SimpleFeatureRenderPhase
• net.minecraft.client.renderer.feature.phase.TranslucentFeatureRenderPhase
• net.minecraft.client.renderer.rendertype.RenderType
• net.minecraft.client.renderer.state.level.CameraRenderState
• net.minecraft.client.renderer.texture.OverlayTexture
• net.minecraft.client.resources.model.ModelBakery
• net.minecraft.server.packs.resources.ReloadInstance
• net.minecraft.world.level.block.ChestBlock
• net.minecraft.world.level.block.entity.BannerBlockEntity
• net.minecraft.world.level.block.entity.BlockEntity
• net.minecraft.world.level.block.entity.BlockEntityType
• net.minecraft.world.level.block.entity.BlockEntityTypes
• net.minecraft.world.level.block.entity.ChestBlockEntity
• net.minecraft.world.level.block.state.properties.ChestType
• net.minecraft.world.phys.AABB
• FabricLoader.getEntrypointContainers()
• FabricLoader.getEntrypoints()
• FabricLoader.isModLoaded()
• Minecraft.execute()
• Minecraft.getCameraEntity()
• BlockPos.asLong()
• and 7 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

A Minecraft optimization mod for Fabric-Sodium that improves framerates by improving block entity rendering via a hybrid renderer

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file bbe-fabric-1.4.0+mc26.3-mod.jar. The scan reads the mod's classes; it does not run them.