SaveMod

Evidence

Ran on Kiln's test stand (2026-11-04): SaveMod did not start: java.lang.NoClassDefFoundError: net/minecraft/client/OptionInstance$TooltipSupplier.

What it needs from Kiln

• Mixin
• net.minecraft.client.OptionInstance
• net.minecraft.client.OptionInstance.TooltipSupplier
• net.minecraft.client.gui.components.AbstractSelectionList
• net.minecraft.client.gui.components.AbstractSelectionList.Entry
• 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.EditBox
• net.minecraft.client.gui.components.ObjectSelectionList
• net.minecraft.client.gui.components.ObjectSelectionList.Entry
• net.minecraft.client.gui.components.StringWidget
• net.minecraft.client.gui.components.Tooltip
• net.minecraft.client.gui.components.toasts.SystemToast
• net.minecraft.client.gui.components.toasts.SystemToast.SystemToastId
• net.minecraft.client.gui.components.toasts.ToastManager
• net.minecraft.client.gui.layouts.GridLayout
• net.minecraft.client.gui.layouts.GridLayout.RowHelper
• net.minecraft.client.gui.layouts.HeaderAndFooterLayout
• net.minecraft.client.gui.layouts.LayoutSettings
• net.minecraft.client.gui.layouts.LinearLayout
• net.minecraft.client.gui.screens.ConfirmScreen
• net.minecraft.client.gui.screens.GenericMessageScreen
• net.minecraft.client.gui.screens.ProgressScreen
• net.minecraft.client.gui.screens.worldselection.WorldOpenFlows
• net.minecraft.client.input.KeyEvent
• net.minecraft.client.input.MouseButtonEvent
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.server.IntegratedServer
• net.minecraft.network.chat.CommonComponents
• net.minecraft.util.Util
• org.apache.commons.compress.archivers.zip.ParallelScatterZipCreator
• org.apache.commons.compress.archivers.zip.Zip64Mode
• org.apache.commons.compress.archivers.zip.ZipArchiveEntry
• org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream
• org.apache.commons.compress.parallel.InputStreamSupplier
• org.apache.commons.io.FileUtils
• KeyMapping.isDown()
• Minecraft.createWorldOpenFlows()
• Minecraft.disconnectFromWorld()
• Minecraft.getSingleplayerServer()
• and 10 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

Minecraft Fabric mod that lets you save (and load) your worlds like in any other game.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file SaveMod-1.5.0-fabric-mc26.3.jar. The scan reads the mod's classes; it does not run them.