Clearness

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

Evidence

Ran on Kiln's test stand (2026-11-04): ClearnessFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/BlockPos$MutableBlockPos.

What it needs from Kiln

Mixin
com.mojang.authlib.GameProfile
net.minecraft.commands.CommandSourceStack
net.minecraft.commands.Commands
net.minecraft.core.BlockPos.MutableBlockPos
net.minecraft.core.GlobalPos
net.minecraft.core.SectionPos
net.minecraft.core.component.DataComponents
net.minecraft.nbt.CompoundTag
net.minecraft.network.Connection
net.minecraft.network.protocol.PacketFlow
net.minecraft.server.MinecraftServer
net.minecraft.server.level.ClientInformation
net.minecraft.server.level.ServerPlayerGameMode
net.minecraft.server.network.CommonListenerCookie
net.minecraft.server.network.ServerGamePacketListenerImpl
net.minecraft.server.permissions.Permission
net.minecraft.server.permissions.Permission.HasCommandLevel
net.minecraft.server.permissions.PermissionLevel
net.minecraft.server.permissions.PermissionSet
net.minecraft.server.players.PlayerList
net.minecraft.tags.BlockTags
net.minecraft.tags.TagKey
net.minecraft.world.effect.MobEffectInstance
net.minecraft.world.effect.MobEffects
net.minecraft.world.entity.item.ItemEntity
net.minecraft.world.entity.player.Inventory
net.minecraft.world.item.component.CustomData
net.minecraft.world.item.component.LodestoneTracker
net.minecraft.world.level.ChunkPos
net.minecraft.world.level.StructureManager
net.minecraft.world.level.block.VaultBlock
net.minecraft.world.level.chunk.ChunkAccess
net.minecraft.world.level.chunk.status.ChunkStatus
net.minecraft.world.level.levelgen.Heightmap
net.minecraft.world.level.levelgen.Heightmap.Types
net.minecraft.world.level.levelgen.structure.BoundingBox
net.minecraft.world.level.levelgen.structure.Structure
net.minecraft.world.level.levelgen.structure.StructurePiece
net.minecraft.world.level.levelgen.structure.StructureStart
net.minecraft.world.level.material.FluidState
and 62 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

Something now waits far from spawn. Your compass knows where. What you do when you find it is your own affair.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file clearness-fabric-26.3-3.0.0.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

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