Fusion (Connected Textures)

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

Evidence

Ran on Kiln's test stand (2026-11-04): FusionClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/BlockPos$MutableBlockPos.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.platform.NativeImage
com.mojang.blaze3d.platform.NativeImage.Format
com.mojang.blaze3d.platform.Transparency
com.mojang.math.MatrixUtil
com.mojang.math.Quadrant
com.mojang.math.Transformation
net.fabricmc.fabric.api.client.renderer.v1.mesh.MutableQuadView
net.fabricmc.fabric.api.client.renderer.v1.mesh.QuadAtlas
net.fabricmc.fabric.api.client.renderer.v1.mesh.QuadEmitter
net.fabricmc.fabric.api.client.renderer.v1.mesh.QuadView
net.fabricmc.fabric.api.client.renderer.v1.mesh.ShadeMode
net.fabricmc.fabric.api.client.renderer.v1.sprite.SpriteFinder
net.fabricmc.fabric.api.util.TriState
net.fabricmc.loader.api.ModContainer
net.fabricmc.loader.api.Version
net.fabricmc.loader.api.metadata.ModMetadata
net.minecraft.client.color.item.ItemTintSource
net.minecraft.client.model.geom.EntityModelSet
net.minecraft.client.model.geom.builders.UVPair
net.minecraft.client.renderer.Sheets
net.minecraft.client.renderer.block.BlockAndTintGetter
net.minecraft.client.renderer.block.dispatch.BlockModelRotation
net.minecraft.client.renderer.block.dispatch.BlockModelRotation.WithUvLock
net.minecraft.client.renderer.block.dispatch.BlockStateModel
net.minecraft.client.renderer.block.dispatch.BlockStateModelPart
net.minecraft.client.renderer.block.dispatch.ModelState
net.minecraft.client.renderer.chunk.ChunkSectionLayer
net.minecraft.client.renderer.item.CuboidItemModelWrapper
net.minecraft.client.renderer.item.ItemModel
net.minecraft.client.renderer.item.ItemModelResolver
net.minecraft.client.renderer.item.ItemStackRenderState
net.minecraft.client.renderer.item.ItemStackRenderState.FoilType
net.minecraft.client.renderer.item.ItemStackRenderState.LayerRenderState
net.minecraft.client.renderer.rendertype.RenderType
net.minecraft.client.renderer.texture.MissingTextureAtlasSprite
net.minecraft.client.renderer.texture.SpriteContents
net.minecraft.client.renderer.texture.SpriteLoader
net.minecraft.client.renderer.texture.SpriteLoader.Preparations
net.minecraft.client.renderer.texture.TextureAtlas
net.minecraft.client.renderer.texture.TextureAtlasSprite
and 48 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

Fusion allows resource packs to use additional texture and model types such as connected textures!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file fusion-1.3.16-fabric-mc26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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