CommandFallingBlock

Evidence

Ran on Kiln's test stand (2026-11-04): CommandFallingBlock did not start: java.lang.NoSuchFieldError: Class net.minecraft.core.registries.BuiltInRegistries does not have member field 'net.minecraft.core.DefaultedRegistry ENTITY_TYPE'; CommandFallingBlockClient did not start: java.lang.NoClassDefFoundError: net/minecraft/network/protocol/common/custom/CustomPacketPayload.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.vertex.PoseStack
• 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.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
• net.minecraft.CrashReportCategory
• net.minecraft.client.renderer.SubmitNodeCollector
• net.minecraft.client.renderer.block.MovingBlockRenderState
• net.minecraft.client.renderer.blockentity.BlockEntityRenderDispatcher
• net.minecraft.client.renderer.blockentity.BlockEntityRenderer
• net.minecraft.client.renderer.entity.EntityRenderer
• net.minecraft.client.renderer.entity.EntityRendererProvider
• net.minecraft.client.renderer.entity.EntityRendererProvider.Context
• net.minecraft.client.renderer.entity.EntityRenderers
• net.minecraft.client.renderer.entity.state.EntityRenderState
• net.minecraft.client.renderer.feature.ModelFeatureRenderer
• net.minecraft.client.renderer.feature.ModelFeatureRenderer.CrumblingOverlay
• net.minecraft.client.renderer.state.level.CameraRenderState
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.arguments.blocks.BlockInput
• net.minecraft.commands.arguments.blocks.BlockStateArgument
• net.minecraft.commands.arguments.coordinates.BlockPosArgument
• net.minecraft.commands.arguments.coordinates.Vec3Argument
• net.minecraft.nbt.CompoundTag
• net.minecraft.network.FriendlyByteBuf
• net.minecraft.network.RegistryFriendlyByteBuf
• net.minecraft.network.codec.StreamCodec
• 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.protocol.game.VecDeltaCodec
• net.minecraft.network.syncher.EntityDataSerializers
• net.minecraft.network.syncher.SynchedEntityData
• net.minecraft.network.syncher.SynchedEntityData.Builder
• net.minecraft.tags.FluidTags
• net.minecraft.util.Mth
• net.minecraft.util.ProblemReporter
• and 47 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

A fabric mod to summon falling block.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file commandfallingblock-26.3-fabric-1.13.jar. The scan reads the mod's classes; it does not run them.