BetterF3

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

Evidence

Ran on Kiln's test stand (2026-11-04): BetterF3Fabric did not start: java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.systems.RenderSystem
com.mojang.renderpearl.api.device.DeviceInfo
com.mojang.renderpearl.api.device.GpuDevice
net.fabricmc.loader.api.ModContainer
net.fabricmc.loader.api.Version
net.fabricmc.loader.api.metadata.ModMetadata
net.minecraft.SharedConstants
net.minecraft.WorldVersion
net.minecraft.client.ClientBrandRetriever
net.minecraft.client.CloudStatus
net.minecraft.client.GraphicsPreset
net.minecraft.client.OptionInstance
net.minecraft.client.Options
net.minecraft.client.RotatingSectionStorage
net.minecraft.client.gui.components.debug.DebugEntryHeightmap
net.minecraft.client.gui.components.debug.DebugEntrySystemSpecs
net.minecraft.client.multiplayer.ClientChunkCache
net.minecraft.client.multiplayer.ClientChunkCache.Storage
net.minecraft.client.particle.ParticleEngine
net.minecraft.client.renderer.GameRenderer
net.minecraft.client.renderer.LevelRenderer
net.minecraft.client.renderer.ViewArea
net.minecraft.client.renderer.chunk.SectionRenderDispatcher
net.minecraft.client.renderer.extract.LevelExtractor
net.minecraft.client.renderer.state.GameRenderState
net.minecraft.client.renderer.state.level.LevelRenderState
net.minecraft.client.resources.language.I18n
net.minecraft.client.server.IntegratedServer
net.minecraft.client.sounds.SoundManager
net.minecraft.core.RegistryAccess
net.minecraft.locale.Language
net.minecraft.network.Connection
net.minecraft.network.chat.Style
net.minecraft.network.chat.TextColor
net.minecraft.server.ServerTickRateManager
net.minecraft.server.level.ChunkResult
net.minecraft.server.level.ServerChunkCache
net.minecraft.tags.TagKey
net.minecraft.util.Mth
and 74 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

BetterF3 is a mod that replaces Minecraft's original debug HUD with a highly customizable, more human-readable HUD.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file BetterF3-20.0.0-Fabric-26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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