The Poisonous Potato Update

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

Evidence

Ran on Kiln's test stand (2026-11-04): PoisonousPotatoUpdate did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/block/StairBlock; PoisonousPotatoUpdateClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/particles/ParticleType.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.platform.cursor.CursorType
com.mojang.blaze3d.platform.cursor.CursorTypes
com.mojang.blaze3d.vertex.PoseStack
com.mojang.blaze3d.vertex.PoseStack.Pose
com.mojang.blaze3d.vertex.VertexConsumer
com.mojang.math.Axis
net.fabricmc.fabric.api.biome.v1.BiomeModifications
net.fabricmc.fabric.api.biome.v1.BiomeSelectors
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.client.particle.v1.ParticleProviderRegistry
net.fabricmc.fabric.api.client.particle.v1.ParticleProviderRegistry.PendingParticleProvider
net.fabricmc.fabric.api.client.rendering.v1.BlockColorRegistry
net.fabricmc.fabric.api.client.rendering.v1.BlockEntityRendererRegistry
net.fabricmc.fabric.api.client.rendering.v1.EntityRendererRegistry
net.fabricmc.fabric.api.client.rendering.v1.ModelLayerRegistry
net.fabricmc.fabric.api.client.rendering.v1.ModelLayerRegistry.TexturedLayerDefinitionProvider
net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder
net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.IntegerRuleBuilder
net.fabricmc.fabric.api.menu.v1.ExtendedMenuProvider
net.fabricmc.fabric.api.menu.v1.ExtendedMenuType
net.fabricmc.fabric.api.menu.v1.ExtendedMenuType.ExtendedFactory
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.block.entity.FabricBlockEntityTypeBuilder
net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder.Factory
net.fabricmc.fabric.api.object.builder.v1.entity.FabricDefaultAttributeRegistry
net.fabricmc.fabric.api.particle.v1.FabricParticleTypes
net.fabricmc.fabric.api.recipe.v1.sync.SynchronizedRecipes
net.minecraft.advancements.triggers.CriterionTrigger
net.minecraft.advancements.triggers.PlayerTrigger
net.minecraft.advancements.triggers.PlayerTrigger.TriggerInstance
net.minecraft.client.Camera
net.minecraft.client.Camera.NearPlane
net.minecraft.client.CameraType
net.minecraft.client.GameNarrator
and 82 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

This mod intends to bring every feature from the legendary Poisonous Potato Update to recent Minecraft versions.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file poisonous_potato_update-2.0.0.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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