Bedrock Cauldrons

Evidence

Ran on Kiln's test stand (2026-11-04) without the mods it depends on: it stopped at eu.pb4.polymer.resourcepack.api.PolymerResourcePackUtils, a class from another mod or library the stand did not have.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder.Factory
• net.minecraft.core.cauldron.CauldronInteraction
• net.minecraft.core.cauldron.CauldronInteraction.Dispatcher
• net.minecraft.core.cauldron.CauldronInteractions
• net.minecraft.core.component.DataComponents
• net.minecraft.core.particles.ColorParticleOption
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.stats.StatType
• net.minecraft.stats.Stats
• net.minecraft.tags.ItemTags
• net.minecraft.util.ARGB
• net.minecraft.world.item.DyeColor
• net.minecraft.world.item.ItemUtils
• net.minecraft.world.item.alchemy.PotionContents
• net.minecraft.world.item.alchemy.Potions
• net.minecraft.world.item.component.DyedItemColor
• net.minecraft.world.level.biome.Biome
• net.minecraft.world.level.biome.Biome.Precipitation
• net.minecraft.world.level.block.EntityBlock
• net.minecraft.world.level.block.LayeredCauldronBlock
• net.minecraft.world.level.block.entity.BlockEntity
• net.minecraft.world.level.block.entity.BlockEntityType
• net.minecraft.world.level.gameevent.GameEvent
• net.minecraft.world.level.gameevent.GameEvent.Context
• net.minecraft.world.level.storage.ValueInput
• net.minecraft.world.level.storage.ValueOutput
• BuiltInRegistries.BLOCK_ENTITY_TYPE
• Registries.BLOCK_ENTITY_TYPE
• ServerLevel.getBlockEntity()
• ServerLevel.sendParticles()
• SoundEvents.BOTTLE_EMPTY
• SoundEvents.POINTED_DRIPSTONE_DRIP_WATER_INTO_CAULDRON
• Player.awardStat()
• Player.awardStat()
• Item.BY_BLOCK
• ItemStack.consume()
• and 17 more

On the roadmap: Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

Potion and dye support for Cauldrons! Serverside through polymer. Requires a resource-pack

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file bedrock-cauldrons-1.1.1+26.3.jar. The scan reads the mod's classes; it does not run them.