Radial Offhand

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

Evidence

Ran on Kiln's test stand (2026-11-04): 1200 ticks with errors, first: an END_CLIENT_TICK listener threw java.lang.NoSuchMethodError: 'com.mojang.blaze3d.platform.Window net.minecraft.client.Minecraft.getWindow()'.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.platform.InputConstants.Key
com.mojang.blaze3d.platform.Window
net.minecraft.client.MouseHandler
net.minecraft.client.Options
net.minecraft.client.gui.Hud
net.minecraft.client.multiplayer.MultiPlayerGameMode
net.minecraft.core.component.DataComponents
net.minecraft.network.protocol.game.ServerboundPlayerActionPacket
net.minecraft.network.protocol.game.ServerboundPlayerActionPacket.Action
net.minecraft.network.protocol.game.ServerboundSetCarriedItemPacket
net.minecraft.world.entity.EquipmentSlot
net.minecraft.world.entity.player.Inventory
net.minecraft.world.inventory.ContainerInput
net.minecraft.world.inventory.InventoryMenu
net.minecraft.world.item.BowItem
net.minecraft.world.item.BucketItem
net.minecraft.world.item.CompassItem
net.minecraft.world.item.CrossbowItem
net.minecraft.world.item.EggItem
net.minecraft.world.item.FireworkRocketItem
net.minecraft.world.item.FishingRodItem
net.minecraft.world.item.FlintAndSteelItem
net.minecraft.world.item.Item.TooltipContext
net.minecraft.world.item.LeadItem
net.minecraft.world.item.MapItem
net.minecraft.world.item.ShieldItem
net.minecraft.world.item.SnowballItem
net.minecraft.world.item.SpyglassItem
net.minecraft.world.item.TooltipFlag
net.minecraft.world.item.TooltipFlag.Default
net.minecraft.world.item.TridentItem
net.minecraft.world.item.WindChargeItem
org.lwjgl.sdl.SDLMouse
org.lwjgl.sdl.SDLScancode
InputConstants.isKeyDown()
KeyMappingHelper.getBoundKeyOf()
FabricLoader.getRawGameVersion()
FabricLoader.isDevelopmentEnvironment()
FabricLoader.isModLoaded()
KeyMapping.setDown()
and 42 more

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3), Machines (0.4), Mixin (0.5)

In the author's words

A faster way to put items into offhand

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file radialoffhand-0.3.0-fabric+26.3.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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