Litematica

Evidence

Ran on Kiln's test stand (2026-11-04): Litematica did not start: java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.blaze3d.buffers.Std140Builder
• com.mojang.blaze3d.buffers.Std140SizeCalculator
• com.mojang.blaze3d.pipeline.RenderTarget
• com.mojang.blaze3d.platform.NativeImage
• 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.ByteBufferBuilder.Result
• com.mojang.blaze3d.vertex.MeshData
• com.mojang.blaze3d.vertex.MeshData.DrawState
• com.mojang.blaze3d.vertex.MeshData.SortState
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.blaze3d.vertex.PoseStack.Pose
• com.mojang.blaze3d.vertex.QuadInstance
• com.mojang.blaze3d.vertex.VertexConsumer
• com.mojang.blaze3d.vertex.VertexSorting
• com.mojang.renderpearl.api.buffers.GpuBuffer
• com.mojang.renderpearl.api.buffers.GpuBufferSlice
• com.mojang.renderpearl.api.buffers.GpuBufferSlice.MappedView
• 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.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.AddressMode
• com.mojang.renderpearl.api.textures.FilterMode
• com.mojang.renderpearl.api.textures.GpuSampler
• com.mojang.renderpearl.api.textures.GpuTextureView
• com.mojang.renderpearl.api.vertex.VertexFormat
• io.netty.buffer.ByteBuf
• io.netty.buffer.Unpooled
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• and 81 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 schematic mod with extra features for creative mode work

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file litematica-fabric-26.3-0.29.1.jar. The scan reads the mod's classes; it does not run them.