Better Client

Evidence

Ran on Kiln's test stand (2026-11-04): BetterClientFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/client/gui/screens/ConfirmScreen; BetterClientFabricClient did not start: java.lang.NoSuchMethodError: 'void net.minecraft.client.Minecraft.execute(java.lang.Runnable)'.

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.command.v2.ClientCommandRegistrationCallback
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents.EndLevelTick
• net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientTickEvents.StartLevelTick
• net.fabricmc.fabric.api.client.item.v1.ItemTooltipCallback
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenEvents.BeforeInit
• net.fabricmc.fabric.api.client.screen.v1.ScreenKeyboardEvents
• net.fabricmc.fabric.api.client.screen.v1.ScreenKeyboardEvents.AfterKeyRelease
• net.minecraft.TracingExecutor
• net.minecraft.client.OptionInstance
• net.minecraft.client.Options
• net.minecraft.client.gui.Hud
• net.minecraft.client.gui.components.Button
• net.minecraft.client.gui.components.Button.Builder
• net.minecraft.client.gui.components.Button.CreateNarration
• net.minecraft.client.gui.components.Button.OnPress
• net.minecraft.client.gui.components.ChatComponent
• net.minecraft.client.gui.components.ChatComponent.DelayedMessageDeletion
• net.minecraft.client.gui.components.ChatComponent.State
• net.minecraft.client.gui.components.EditBox
• net.minecraft.client.gui.components.MultiLineEditBox
• net.minecraft.client.gui.components.MultiLineEditBox.Builder
• net.minecraft.client.gui.components.WidgetSprites
• net.minecraft.client.gui.components.events.GuiEventListener
• net.minecraft.client.gui.screens.ConfirmLinkScreen
• net.minecraft.client.gui.screens.ConfirmScreen
• net.minecraft.client.gui.screens.inventory.AbstractContainerScreen
• net.minecraft.client.input.KeyEvent
• net.minecraft.client.multiplayer.ServerData
• net.minecraft.client.multiplayer.chat.GuiMessage
• net.minecraft.client.multiplayer.chat.GuiMessageSource
• net.minecraft.client.multiplayer.chat.GuiMessageTag
• net.minecraft.client.multiplayer.chat.GuiMessageTag.Icon
• net.minecraft.client.renderer.RenderPipelines
• net.minecraft.client.renderer.item.properties.select.SelectItemModelProperties
• net.minecraft.client.renderer.item.properties.select.SelectItemModelProperty
• net.minecraft.client.renderer.item.properties.select.SelectItemModelProperty.Type
• net.minecraft.client.resources.sounds.SimpleSoundInstance
• and 80 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 client-side mod for a better server experience

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file better_client-11.1.0.jar. The scan reads the mod's classes; it does not run them.