Naturalist

Evidence

Ran on Kiln's test stand (2026-11-04): NaturalistFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/dispenser/DispenseItemBehavior; NaturalistFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/model/geom/ModelLayerLocation.

What it needs from Kiln

• an access widener
• Mixin
• 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.BiomeSelectionContext
• net.fabricmc.fabric.api.client.particle.v1.ParticleProviderRegistry
• net.fabricmc.fabric.api.client.particle.v1.ParticleProviderRegistry.PendingParticleProvider
• 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.object.builder.v1.entity.FabricDefaultAttributeRegistry
• net.minecraft.advancements.triggers.BredAnimalsTrigger
• net.minecraft.advancements.triggers.CriteriaTriggers
• net.minecraft.advancements.triggers.FilledBucketTrigger
• net.minecraft.client.Camera
• net.minecraft.client.CameraType
• net.minecraft.client.Options
• net.minecraft.client.animation.AnimationChannel
• net.minecraft.client.animation.AnimationChannel.Interpolation
• net.minecraft.client.animation.AnimationChannel.Interpolations
• net.minecraft.client.animation.AnimationChannel.Target
• net.minecraft.client.animation.AnimationChannel.Targets
• net.minecraft.client.animation.AnimationDefinition
• net.minecraft.client.animation.AnimationDefinition.Builder
• net.minecraft.client.animation.Keyframe
• net.minecraft.client.animation.KeyframeAnimation
• net.minecraft.client.animation.KeyframeAnimations
• net.minecraft.client.gui.screens.MenuScreens
• net.minecraft.client.gui.screens.MenuScreens.ScreenConstructor
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.gui.screens.inventory.InventoryScreen
• net.minecraft.client.model.EntityModel
• net.minecraft.client.model.Model
• net.minecraft.client.model.Model.Simple
• net.minecraft.client.model.geom.ModelLayerLocation
• net.minecraft.client.model.geom.ModelPart
• net.minecraft.client.model.geom.PartPose
• net.minecraft.client.model.geom.builders.CubeDeformation
• net.minecraft.client.model.geom.builders.CubeListBuilder
• and 81 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

Adds 47 animals *(and 66 variants)* to your world with immersive behaviors and drops.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file naturalist-2.0.7-fabric-26.3.jar. The scan reads the mod's classes; it does not run them.