MCEF Modern

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

Evidence

Ran on Kiln's test stand (2026-11-04): MCEFModern did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/event/lifecycle/v1/ClientLifecycleEvents.

What it needs from Kiln

com.mojang.blaze3d.platform.cursor.CursorType
com.mojang.blaze3d.platform.cursor.CursorTypes
com.mojang.blaze3d.systems.RenderSystem
com.mojang.renderpearl.api.GpuFormat
com.mojang.renderpearl.api.commands.CommandEncoder
com.mojang.renderpearl.api.device.GpuDevice
com.mojang.renderpearl.api.textures.GpuTexture
com.mojang.renderpearl.api.textures.GpuTextureView
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStopping
net.minecraft.client.input.CharacterEvent
net.minecraft.client.input.KeyEvent
net.minecraft.client.input.MouseButtonEvent
org.lwjgl.sdl.SDLKeycode
org.lwjgl.sdl.SDLMouse
org.lwjgl.system.MemoryUtil
Minecraft.submit()

On the roadmap: Minecraft's libraries and client API (0.2)

In the author's words

Minecraft Chromium Embedded Framework — mod and library for adding Chromium web browser into Minecraft

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file mcef-modern-0.3.3+mc26.3.jcef146.0.10.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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