Red Bits

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

Evidence

Ran on Kiln's test stand (2026-11-04): RedBits did not start: java.lang.NoClassDefFoundError: net/minecraft/world/item/MinecartItem; RedBitsClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/EntityRenderer.

What it needs from Kiln

an access widener
Mixin
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents.EndLevelTick
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
net.fabricmc.fabric.api.client.rendering.v1.BlockColorRegistry
net.fabricmc.fabric.api.client.rendering.v1.EntityRendererRegistry
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.fabricmc.fabric.api.object.builder.v1.entity.MinecartComparatorLogicRegistry
net.fabricmc.fabric.api.recipe.v1.sync.RecipeSynchronization
net.minecraft.advancements.triggers.CriteriaTriggers
net.minecraft.advancements.triggers.SimpleCriterionTrigger
net.minecraft.advancements.triggers.SimpleCriterionTrigger.SimpleInstance
net.minecraft.client.model.geom.ModelLayers
net.minecraft.client.renderer.entity.EntityRendererProvider
net.minecraft.client.renderer.entity.EntityRendererProvider.Context
net.minecraft.client.renderer.entity.MinecartRenderer
net.minecraft.core.Direction.Axis
net.minecraft.core.Direction.AxisDirection
net.minecraft.core.Direction.Plane
net.minecraft.core.component.DataComponents
net.minecraft.core.particles.DustParticleOptions
net.minecraft.core.particles.ParticleOptions
net.minecraft.core.particles.ParticleTypes
net.minecraft.network.FriendlyByteBuf
net.minecraft.network.protocol.common.custom.CustomPacketPayload
net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
net.minecraft.network.protocol.common.custom.CustomPacketPayload.TypeAndCodec
net.minecraft.network.syncher.EntityDataSerializers
net.minecraft.network.syncher.SynchedEntityData
net.minecraft.network.syncher.SynchedEntityData.Builder
net.minecraft.stats.StatFormatter
net.minecraft.stats.StatType
net.minecraft.stats.Stats
net.minecraft.world.entity.EntityType
net.minecraft.world.entity.EntityType.Builder
net.minecraft.world.entity.EntityType.EntityFactory
net.minecraft.world.entity.MobCategory
net.minecraft.world.entity.TamableAnimal
net.minecraft.world.entity.monster.Monster
and 76 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Vanilla style Redstone additions and improvements

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file redbits-2.5.5.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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