Puzzle

Evidence

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

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.platform.NativeImage
• com.mojang.renderpearl.api.pipeline.BlendFactor
• 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.fabricmc.fabric.api.resource.v1.ResourceLoader
• net.minecraft.client.renderer.texture.DynamicTexture
• net.minecraft.client.renderer.texture.MipmapStrategy
• net.minecraft.client.renderer.texture.ReloadableTexture
• net.minecraft.client.renderer.texture.TextureContents
• net.minecraft.client.renderer.texture.TextureManager
• net.minecraft.client.resources.metadata.texture.TextureMetadataSection
• net.minecraft.server.packs.PackResources
• net.minecraft.server.packs.PackType
• net.minecraft.server.packs.VanillaPackResources
• net.minecraft.server.packs.resources.IoSupplier
• net.minecraft.server.packs.resources.Resource
• net.minecraft.server.packs.resources.ResourceManager
• net.minecraft.server.packs.resources.ResourceManager.Selector
• net.minecraft.server.packs.resources.ResourceManagerReloadListener
• net.minecraft.util.Util
• net.minecraft.util.Util.OS
• net.minecraft.server.packs.resources.PreparableReloadListener
• Minecraft.getTextureManager()
• Minecraft.getVanillaPackResources()

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

Adds resourcepack features and a GUI to configure OptiFine alternatives more conveniently.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file puzzle-fabric-2.3.1+26.3.jar. The scan reads the mod's classes; it does not run them.