Enchantment Switch

Evidence

Ran on Kiln's test stand (2026-11-04): EnchantmentSwitchFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess; EnchantmentSwitchFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.blaze3d.platform.InputConstants.Key
• net.minecraft.client.Options
• net.minecraft.client.gui.ActiveTextCollector
• net.minecraft.client.gui.GuiGraphicsExtractor.HoveredTextEffects
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.ImageButton
• net.minecraft.client.gui.components.WidgetSprites
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.gui.screens.inventory.CreativeModeInventoryScreen
• net.minecraft.client.gui.screens.inventory.CreativeModeInventoryScreen.SlotWrapper
• net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.resources.sounds.SimpleSoundInstance
• net.minecraft.client.sounds.SoundEngine
• net.minecraft.client.sounds.SoundEngine.PlayResult
• net.minecraft.client.sounds.SoundManager
• net.minecraft.core.HolderLookup.RegistryLookup
• net.minecraft.core.HolderSet
• net.minecraft.core.HolderSet.Named
• net.minecraft.core.NonNullList
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.core.component.DataComponentType
• net.minecraft.core.component.DataComponentType.Builder
• net.minecraft.core.component.DataComponents
• net.minecraft.locale.Language
• net.minecraft.network.chat.CommonComponents
• net.minecraft.network.chat.ComponentUtils
• net.minecraft.network.chat.Style
• net.minecraft.network.chat.contents.PlainTextContents
• net.minecraft.network.chat.contents.TranslatableContents
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.codec.StreamCodec.CodecOperation
• net.minecraft.tags.EnchantmentTags
• net.minecraft.util.Mth
• net.minecraft.util.Util
• and 44 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

Swap active enchantments on your items on the fly! Toggle between otherwise incompatible enchantments.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file enchantmentswitch-v26.3.0-mc26.3.x+fabric.jar. The scan reads the mod's classes; it does not run them.