Sulfur Caves Plus

Evidence

Ran on Kiln's test stand (2026-11-04): SulfurCavesPlus did not start: java.lang.NoSuchFieldError: Class net.minecraft.core.registries.Registries does not have member field 'net.minecraft.resources.ResourceKey BIOME'; SulfurCavesPlusClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/EntityRendererProvider.

What it needs from Kiln

• Mixin
• com.mojang.blaze3d.vertex.PoseStack
• com.mojang.math.Axis
• net.fabricmc.fabric.api.biome.v1.BiomeModifications
• net.fabricmc.fabric.api.biome.v1.BiomeSelectors
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder
• net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.BooleanRuleBuilder
• net.fabricmc.fabric.api.object.builder.v1.entity.FabricDefaultAttributeRegistry
• net.minecraft.advancements.predicates.entity.EntitySubPredicate
• net.minecraft.client.model.geom.ModelPart
• net.minecraft.client.model.monster.spider.SpiderModel
• net.minecraft.client.renderer.block.BlockModelRenderState
• net.minecraft.client.renderer.block.BlockModelResolver
• net.minecraft.client.renderer.block.model.BlockDisplayContext
• net.minecraft.client.renderer.entity.CaveSpiderRenderer
• net.minecraft.client.renderer.entity.EntityRendererProvider
• net.minecraft.client.renderer.entity.EntityRendererProvider.Context
• net.minecraft.client.renderer.entity.EntityRenderers
• net.minecraft.client.renderer.entity.layers.EyesLayer
• net.minecraft.client.renderer.entity.layers.RenderLayer
• net.minecraft.client.renderer.entity.layers.SpiderEyesLayer
• net.minecraft.client.renderer.entity.state.LivingEntityRenderState
• net.minecraft.client.renderer.rendertype.RenderTypes
• net.minecraft.client.renderer.texture.OverlayTexture
• net.minecraft.core.RegistryAccess
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.util.valueproviders.ConstantInt
• net.minecraft.util.valueproviders.UniformInt
• net.minecraft.world.Difficulty
• net.minecraft.world.damagesource.DamageSources
• net.minecraft.world.effect.MobEffect
• net.minecraft.world.effect.MobEffectCategory
• net.minecraft.world.effect.MobEffectInstance
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.EntityType.Builder
• net.minecraft.world.entity.EntityType.EntityFactory
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.MobCategory
• net.minecraft.world.entity.ai.attributes.AttributeSupplier
• net.minecraft.world.entity.ai.attributes.AttributeSupplier.Builder
• and 60 more

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

In the author's words

New content for Sulfur Caves biome: Corrosion, Sulfur Spiders and more!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file sulfurcavesplus-1.1.8-26.3.jar. The scan reads the mod's classes; it does not run them.