Motion Blur Plus

Evidence

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

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.buffers.Std140Builder
• com.mojang.blaze3d.pipeline.RenderTarget
• com.mojang.blaze3d.systems.RenderSystem
• com.mojang.renderpearl.api.buffers.GpuBuffer
• com.mojang.renderpearl.api.buffers.GpuBufferSlice
• com.mojang.renderpearl.api.buffers.GpuBufferSlice.MappedView
• com.mojang.renderpearl.api.device.GpuDevice
• net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback
• net.fabricmc.fabric.api.client.command.v2.ClientCommands
• net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource
• net.fabricmc.fabric.api.resource.v1.ResourceLoader
• net.fabricmc.fabric.api.resource.v1.reloader.ResourceReloaderKeys
• net.fabricmc.fabric.api.resource.v1.reloader.ResourceReloaderKeys.Client
• 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.renderer.GameRenderer
• net.minecraft.client.renderer.LevelTargetBundle
• net.minecraft.client.renderer.PostChain
• net.minecraft.client.renderer.PostPass
• net.minecraft.client.renderer.ShaderManager
• net.minecraft.server.packs.PackType
• net.minecraft.server.packs.resources.PreparableReloadListener
• Minecraft.gameRenderer
• Minecraft.getShaderManager()
• GuiGraphicsExtractor.centeredText()
• Screen.extractRenderState()

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 Fabric Motionblur mod with configurable frame blending.

Scan

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