Resource Pack Overrides

Evidence

Ran on Kiln's test stand (2026-11-04): ResourcePackOverridesFabricClient did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/client/screen/v1/ScreenEvents.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.blaze3d.platform.InputConstants.Key
• com.mojang.blaze3d.platform.Window
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterExtract
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.AfterInit
• net.fabricmc.fabric.api.client.screen.v1.ScreenKeyboardEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenKeyboardEvents.AfterKeyPress
• net.fabricmc.fabric.api.client.screen.v1.Screens
• net.minecraft.client.KeyboardHandler
• net.minecraft.client.MouseHandler
• net.minecraft.client.gui.components.events.GuiEventListener
• net.minecraft.client.gui.components.toasts.ToastManager
• net.minecraft.client.gui.components.toasts.TutorialToast
• net.minecraft.client.gui.components.toasts.TutorialToast.Icons
• net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent
• net.minecraft.client.gui.screens.inventory.tooltip.DefaultTooltipPositioner
• net.minecraft.client.gui.screens.packs.PackSelectionModel
• net.minecraft.client.gui.screens.packs.PackSelectionScreen
• net.minecraft.client.gui.screens.packs.TransferableSelectionList
• net.minecraft.client.gui.screens.packs.TransferableSelectionList.Entry
• net.minecraft.client.input.KeyEvent
• net.minecraft.core.RegistryAccess
• net.minecraft.core.RegistryAccess.Frozen
• net.minecraft.network.chat.ComponentSerialization
• net.minecraft.server.packs.PackLocationInfo
• net.minecraft.server.packs.PackSelectionConfig
• net.minecraft.server.packs.repository.Pack
• net.minecraft.server.packs.repository.Pack.Metadata
• net.minecraft.server.packs.repository.Pack.Position
• net.minecraft.server.packs.repository.PackCompatibility
• net.minecraft.server.packs.repository.PackRepository
• net.minecraft.util.GsonHelper
• net.minecraft.util.Mth
• net.minecraft.util.StrictJsonParser
• org.apache.commons.compress.utils.Lists
• InputConstants.Type.getOrCreate()
• ObjectCollection.forEach()
• Minecraft.getResourcePackRepository()
• Minecraft.getWindow()
• Minecraft.keyboardHandler
• and 6 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

Ensures important resource packs stay always active and helps clean up the pack selection screen.

Scan

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