PolyLib

Calls something that is on Kiln's roadmap. Parts of it may already run.

Evidence

Ran on Kiln's test stand (2026-11-04): PolyLibFabric did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/event/lifecycle/v1/ServerLifecycleEvents.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.platform.InputConstants.Key
com.mojang.blaze3d.platform.NativeImage
com.mojang.blaze3d.platform.TextInputManager
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.vertex.VertexConsumer
com.mojang.renderpearl.api.pipeline.RenderPipeline
io.netty.buffer.ByteBuf
io.netty.buffer.Unpooled
net.fabricmc.api.EnvType
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientBlockEntityEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientBlockEntityEvents.Load
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientBlockEntityEvents.Unload
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientChunkEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientChunkEvents.Load
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientChunkEvents.Unload
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents.Load
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientEntityEvents.Unload
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLevelEvents.AfterClientLevelChange
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStarted
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStopping
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents.EndLevelTick
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents.StartLevelTick
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationConnectionEvents.Complete
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationConnectionEvents.Disconnect
net.fabricmc.fabric.api.client.networking.v1.ClientConfigurationConnectionEvents.Init
net.fabricmc.fabric.api.client.networking.v1.ClientLoginConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientLoginConnectionEvents.Disconnect
net.fabricmc.fabric.api.client.networking.v1.ClientLoginConnectionEvents.Init
net.fabricmc.fabric.api.client.networking.v1.ClientLoginConnectionEvents.QueryStart
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Disconnect
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Init
net.fabricmc.fabric.api.client.networking.v1.ClientPlayConnectionEvents.Join
net.fabricmc.fabric.api.client.rendering.v1.InvalidateRenderStateCallback
net.fabricmc.fabric.api.client.rendering.v1.LivingEntityFeatureRenderEvents
net.fabricmc.fabric.api.client.rendering.v1.LivingEntityFeatureRenderEvents.AllowCapeRender
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 Minecraft lib used for all of CreeperHosts mods

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file polylib-fabric-26.3-2.0.17.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

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