CubesideMod

Evidence

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

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.platform.Window
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.realmsclient.client.RealmsClient
• com.mojang.realmsclient.dto.RealmsServer
• com.mojang.realmsclient.dto.RealmsServerList
• net.fabricmc.fabric.api.client.command.v2.ClientCommandRegistrationCallback
• net.fabricmc.fabric.api.client.command.v2.FabricClientCommandSource
• net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking
• net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking.ConfigurationPayloadHandler
• net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationNetworking.Context
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Init
• 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.client.rendering.v1.level.LevelRenderContext
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents
• net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents.CollectSubmits
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.minecraft.client.Camera
• net.minecraft.client.CameraType
• net.minecraft.client.Options
• net.minecraft.client.gui.Font.DisplayMode
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.ChatComponent
• net.minecraft.client.multiplayer.PlayerInfo
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.multiplayer.chat.ChatListener
• net.minecraft.client.renderer.GameRenderer
• net.minecraft.client.renderer.SubmitNodeCollector
• net.minecraft.client.server.IntegratedServer
• net.minecraft.core.Direction.Axis
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.core.component.BlockTransformer
• net.minecraft.core.component.BlockTransformer.BlockTransformData
• and 50 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

Mod with extra functions for Cubeside.de

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file CubesideMod-1.4.5.jar. The scan reads the mod's classes; it does not run them.