Wayfinder

Evidence

Ran on Kiln's test stand (2026-11-04): WayfinderFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/world/entity/Mob; WayfinderClientFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/client/renderer/entity/EntityRenderers.

What it needs from Kiln

• an access widener
• net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry
• net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry.Builder
• 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.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarting
• 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.entity.FabricDefaultAttributeRegistry
• net.minecraft.advancements.triggers.CriteriaTriggers
• net.minecraft.advancements.triggers.SimpleCriterionTrigger
• net.minecraft.advancements.triggers.SimpleCriterionTrigger.SimpleInstance
• net.minecraft.advancements.triggers.SummonedEntityTrigger
• net.minecraft.client.gui.components.AbstractScrollArea
• net.minecraft.client.gui.components.AbstractScrollArea.ScrollbarSettings
• net.minecraft.client.gui.components.AbstractSelectionList
• net.minecraft.client.gui.components.AbstractSelectionList.Entry
• net.minecraft.client.gui.components.AbstractTextAreaWidget
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.ContainerObjectSelectionList
• net.minecraft.client.gui.components.ContainerObjectSelectionList.Entry
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.renderer.entity.EntityRendererProvider
• net.minecraft.client.renderer.entity.EntityRendererProvider.Context
• net.minecraft.client.renderer.entity.EntityRenderers
• net.minecraft.client.renderer.entity.state.EntityRenderState
• net.minecraft.client.renderer.rendertype.RenderTypes
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.arguments.EntityArgument
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• and 81 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

A brand new immersive way to explore! The Wayfinder will guide those who are lost to their destinations...

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file Wayfinder-Fabric-1.2.7-mc26.3.jar. The scan reads the mod's classes; it does not run them.