Potion Beacons

Evidence

Ran on Kiln's test stand (2026-11-04): PotionBeacons did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/block/EntityBlock; PotionBeaconsClient did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/block/EntityBlock.

What it needs from Kiln

• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.blaze3d.vertex.PoseStack.Pose
• com.mojang.blaze3d.vertex.VertexConsumer
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder
• net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder.Factory
• net.minecraft.advancements.triggers.ConstructBeaconTrigger
• net.minecraft.advancements.triggers.CriteriaTriggers
• net.minecraft.client.renderer.SubmitNodeCollector
• net.minecraft.client.renderer.SubmitNodeCollector.CustomGeometryRenderer
• net.minecraft.client.renderer.block.FluidModel
• net.minecraft.client.renderer.block.FluidStateModelSet
• net.minecraft.client.renderer.blockentity.BeaconRenderer
• net.minecraft.client.renderer.blockentity.BlockEntityRenderer
• net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider
• net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider.Context
• net.minecraft.client.renderer.blockentity.BlockEntityRenderers
• net.minecraft.client.renderer.blockentity.state.BeaconRenderState
• net.minecraft.client.renderer.blockentity.state.BlockEntityRenderState
• net.minecraft.client.renderer.feature.ModelFeatureRenderer
• net.minecraft.client.renderer.feature.ModelFeatureRenderer.CrumblingOverlay
• net.minecraft.client.renderer.rendertype.RenderTypes
• net.minecraft.client.renderer.texture.OverlayTexture
• net.minecraft.client.renderer.texture.TextureAtlasSprite
• net.minecraft.client.resources.model.ModelManager
• net.minecraft.client.resources.model.sprite.Material
• net.minecraft.client.resources.model.sprite.Material.Baked
• net.minecraft.core.Direction.Axis
• net.minecraft.core.component.DataComponents
• net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket
• net.minecraft.tags.BlockTags
• net.minecraft.util.ARGB
• net.minecraft.world.effect.MobEffect
• net.minecraft.world.effect.MobEffectInstance
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.item.DyeColor
• net.minecraft.world.item.ItemUtils
• net.minecraft.world.item.alchemy.PotionContents
• net.minecraft.world.level.LevelReader
• net.minecraft.world.level.block.BaseEntityBlock
• net.minecraft.world.level.block.BeaconBeamBlock
• and 54 more

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

In the author's words

Adds a Beacon block you can use with any Potion Effects

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file potionbeacons-26.3-1.0.jar. The scan reads the mod's classes; it does not run them.