Orbital+

Evidence

Ran on Kiln's test stand (2026-11-04): Orbital did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/Packet.

What it needs from Kiln

• Mixin
• com.mojang.authlib.GameProfile
• com.mojang.authlib.properties.Property
• com.mojang.authlib.properties.PropertyMap
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AfterDeath
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarting
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStopping
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.message.v1.ServerMessageEvents
• net.fabricmc.fabric.api.message.v1.ServerMessageEvents.AllowChatMessage
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Disconnect
• net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents.Join
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.SharedSuggestionProvider
• net.minecraft.commands.arguments.EntityArgument
• net.minecraft.commands.arguments.coordinates.Vec3Argument
• net.minecraft.core.RegistryAccess
• net.minecraft.core.component.DataComponents
• net.minecraft.nbt.CompoundTag
• net.minecraft.network.chat.ChatType
• net.minecraft.network.chat.ChatType.Bound
• net.minecraft.network.chat.PlayerChatMessage
• net.minecraft.network.protocol.game.ClientboundPlayerInfoRemovePacket
• net.minecraft.network.protocol.game.ClientboundPlayerInfoUpdatePacket
• net.minecraft.network.protocol.game.ClientboundSetActionBarTextPacket
• net.minecraft.network.protocol.game.ClientboundSetEntityMotionPacket
• net.minecraft.network.protocol.game.ClientboundSoundPacket
• net.minecraft.server.MinecraftServer
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.server.permissions.PermissionSet
• net.minecraft.server.permissions.Permissions
• net.minecraft.server.players.NameAndId
• net.minecraft.server.players.PlayerList
• net.minecraft.util.Mth
• 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

Orbital+ is a feature-expanded orbital systems inspired by the Unstable SMP and other designs, focused on modularity and extended control.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file orbital-fabric-1.4-mc26.3.jar. The scan reads the mod's classes; it does not run them.