SmoothCoasters

Evidence

Ran on Kiln's test stand (2026-11-04): SmoothCoastersFabricMod did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/components/debug/DebugScreenEntry.

What it needs from Kiln

• Mixin
• io.netty.buffer.Unpooled
• 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.networking.v1.PacketSender
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.fabricmc.loader.api.ModContainer
• net.fabricmc.loader.api.Version
• net.fabricmc.loader.api.metadata.ModMetadata
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.ChatComponent
• net.minecraft.client.gui.components.debug.DebugScreenDisplayer
• net.minecraft.client.gui.components.debug.DebugScreenEntries
• net.minecraft.client.gui.components.debug.DebugScreenEntry
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.PacketFlow
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
• FabricLoader.getModContainer()
• Minecraft.execute()
• Minecraft.gameRenderer
• Minecraft.isSameThread()
• Gui.hud

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

Server-side camera rotation

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file SmoothCoasters-Fabric-26.3-v1.jar. The scan reads the mod's classes; it does not run them.