Moderner Beta

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

Evidence

Ran on Kiln's test stand (2026-11-04): ModernerBetaFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/WritableRegistry; ModernerBetaFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/server/packs/resources/SimplePreparableReloadListener.

What it needs from Kiln

an access widener
Mixin
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.client.rendering.v1.BlockColorRegistry
net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.EndDataPackReload
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarted
net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents.ServerStarting
net.fabricmc.fabric.api.event.registry.DynamicRegistries
net.fabricmc.fabric.api.event.registry.FabricRegistryBuilder
net.fabricmc.fabric.api.event.registry.RegistryAttribute
net.fabricmc.fabric.api.networking.v1.PayloadTypeRegistry
net.fabricmc.fabric.api.networking.v1.PlayerLookup
net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking
net.fabricmc.fabric.api.resource.v1.ResourceLoader
net.fabricmc.fabric.api.resource.v1.pack.PackActivationType
net.fabricmc.loader.api.ModContainer
net.minecraft.DetectedVersion
net.minecraft.TracingExecutor
net.minecraft.WorldVersion
net.minecraft.client.OptionInstance
net.minecraft.client.OptionInstance.CaptionBasedToString
net.minecraft.client.OptionInstance.IntRange
net.minecraft.client.OptionInstance.IntRangeBase
net.minecraft.client.OptionInstance.LazyEnum
net.minecraft.client.OptionInstance.SliderableValueSet
net.minecraft.client.OptionInstance.TooltipSupplier
net.minecraft.client.OptionInstance.ValueSet
net.minecraft.client.OptionInstance.ValueUpdateListener
net.minecraft.client.Options
net.minecraft.client.color.block.BlockTintSource
net.minecraft.client.color.block.BlockTintSources
net.minecraft.client.gui.ActiveTextCollector
net.minecraft.client.gui.components.AbstractSelectionList
net.minecraft.client.gui.components.AbstractSelectionList.Entry
net.minecraft.client.gui.components.AbstractStringWidget
net.minecraft.client.gui.components.Button
net.minecraft.client.gui.components.Button.Builder
net.minecraft.client.gui.components.Button.OnPress
and 82 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

Old (and not so old) world generation for modern Minecraft!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file moderner-beta-fabric-5.0.0-alpha.4+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

Thank you. Your report is counted.