Simple Voice Chat

Evidence

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

What it needs from Kiln

• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.platform.NativeImage
• com.mojang.blaze3d.platform.Window
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.renderpearl.api.pipeline.RenderPipeline
• io.netty.buffer.ByteBuf
• io.netty.buffer.Unpooled
• io.netty.channel.local.LocalAddress
• io.netty.handler.codec.DecoderException
• net.fabricmc.api.EnvType
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
• net.fabricmc.fabric.api.event.EventFactory
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.Context
• net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking.PlayPayloadHandler
• net.minecraft.SharedConstants
• net.minecraft.WorldVersion
• net.minecraft.client.Camera
• net.minecraft.client.OptionInstance
• net.minecraft.client.OptionInstance.TooltipSupplier
• net.minecraft.client.Options
• net.minecraft.client.User
• net.minecraft.client.gui.ActiveTextCollector
• net.minecraft.client.gui.Font.DisplayMode
• net.minecraft.client.gui.GuiGraphicsExtractor.HoveredTextEffects
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.AbstractButton
• net.minecraft.client.gui.components.AbstractSelectionList
• net.minecraft.client.gui.components.AbstractSelectionList.Entry
• 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.gui.components.ChatComponent
• net.minecraft.client.gui.components.ContainerObjectSelectionList
• net.minecraft.client.gui.components.ContainerObjectSelectionList.Entry
• 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 working voice chat in Minecraft!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file voicechat-fabric-2.6.27+26.3.jar. The scan reads the mod's classes; it does not run them.