Vanilla Options API

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

Evidence

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

What it needs from Kiln

an access widener
Mixin
net.fabricmc.loader.api.ModContainer
net.fabricmc.loader.api.metadata.ModMetadata
net.minecraft.client.OptionInstance
net.minecraft.client.OptionInstance.CaptionBasedToString
net.minecraft.client.OptionInstance.Enum
net.minecraft.client.OptionInstance.SliderableEnum
net.minecraft.client.OptionInstance.TooltipSupplier
net.minecraft.client.OptionInstance.ValueSet
net.minecraft.client.OptionInstance.ValueUpdateListener
net.minecraft.client.Options
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.OptionsList
net.minecraft.client.gui.components.Tooltip
net.minecraft.client.gui.screens.CreditsAndAttributionScreen
net.minecraft.client.gui.screens.options.AccessibilityOptionsScreen
net.minecraft.client.gui.screens.options.ChatOptionsScreen
net.minecraft.client.gui.screens.options.LanguageSelectScreen
net.minecraft.client.gui.screens.options.OnlineOptionsScreen
net.minecraft.client.gui.screens.options.OptionsScreen
net.minecraft.client.gui.screens.options.SkinCustomizationScreen
net.minecraft.client.gui.screens.options.SoundOptionsScreen
net.minecraft.client.gui.screens.options.VideoSettingsScreen
net.minecraft.client.gui.screens.options.controls.ControlsScreen
net.minecraft.client.gui.screens.packs.PackSelectionScreen
net.minecraft.client.gui.screens.telemetry.TelemetryInfoScreen
net.minecraft.util.StringRepresentable.EnumCodec
net.minecraft.util.Util
org.apache.logging.log4j.LogManager
org.apache.logging.log4j.Logger
FabricLoader.getAllMods()
Minecraft.allowsTelemetry()
Minecraft.getLanguageManager()
Minecraft.getResourcePackDirectory()
Minecraft.getResourcePackRepository()
Minecraft.options
Minecraft.setScreenAndShow()
Component.copy()
StringRepresentable.fromEnum()

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

Allow mods to use vanilla's systems to add custom options

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file vanillaoptionsapi-1.2.0.jar. The scan reads the mod's classes; it does not run them.

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