SpiffyHUD

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

Evidence

Ran on Kiln's test stand (2026-11-04): SpiffyHudFabric did not start: java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.platform.InputConstants.Key
com.mojang.blaze3d.systems.RenderSystem
com.mojang.math.Axis
net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
net.minecraft.client.Camera
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.OnPress
net.minecraft.client.gui.components.LerpingBossEvent
net.minecraft.client.gui.components.Renderable
net.minecraft.client.gui.screens.ChatScreen
net.minecraft.client.gui.screens.PauseScreen
net.minecraft.client.gui.spectator.SpectatorMenu
net.minecraft.client.gui.spectator.SpectatorMenuCategory
net.minecraft.client.gui.spectator.SpectatorMenuItem
net.minecraft.client.input.KeyEvent
net.minecraft.client.input.MouseButtonEvent
net.minecraft.client.multiplayer.MultiPlayerGameMode
net.minecraft.client.renderer.GameRenderer
net.minecraft.client.renderer.RenderPipelines
net.minecraft.client.renderer.entity.EntityRenderDispatcher
net.minecraft.client.renderer.entity.EntityRenderer
net.minecraft.client.renderer.entity.state.EntityRenderState
net.minecraft.client.renderer.texture.MissingTextureAtlasSprite
net.minecraft.client.renderer.texture.SpriteContents
net.minecraft.client.renderer.texture.TextureAtlas
net.minecraft.client.renderer.texture.TextureAtlasSprite
net.minecraft.client.resources.WaypointStyle
net.minecraft.client.resources.WaypointStyleManager
net.minecraft.client.resources.language.I18n
net.minecraft.client.resources.metadata.gui.GuiMetadataSection
net.minecraft.client.resources.metadata.gui.GuiSpriteScaling
net.minecraft.client.resources.metadata.gui.GuiSpriteScaling.Stretch
net.minecraft.client.waypoints.ClientWaypointManager
net.minecraft.commands.CommandSourceStack
net.minecraft.commands.Commands
net.minecraft.commands.Commands.CommandSelection
net.minecraft.commands.arguments.NbtPathArgument
and 81 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

Addon for FancyMenu to customize the in-game HUD.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file spiffyhud_fabric_3.1.4_MC_26.3.jar. The scan reads the mod's classes; it does not run them.

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