Flex HUD

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

Evidence

Ran on Kiln's test stand (2026-11-04): FlexHud did not start: java.lang.NoSuchMethodError: 'boolean net.fabricmc.loader.api.FabricLoader.isModLoaded(java.lang.String)'.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.Blaze3D
com.mojang.blaze3d.platform.InputConstants.Key
com.mojang.blaze3d.platform.NativeImage
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.platform.cursor.CursorType
com.mojang.blaze3d.platform.cursor.CursorTypes
com.mojang.blaze3d.vertex.VertexConsumer
com.mojang.renderpearl.api.pipeline.BlendFactor
com.mojang.renderpearl.api.pipeline.BlendFunction
com.mojang.renderpearl.api.pipeline.ColorTargetState
com.mojang.renderpearl.api.pipeline.RenderPipeline
com.mojang.renderpearl.api.pipeline.RenderPipeline.Builder
com.mojang.renderpearl.api.pipeline.RenderPipeline.Snippet
net.minecraft.SharedConstants
net.minecraft.WorldVersion
net.minecraft.client.Camera
net.minecraft.client.KeyboardHandler
net.minecraft.client.OptionInstance
net.minecraft.client.Options
net.minecraft.client.User
net.minecraft.client.gui.GuiGraphicsExtractor.ScissorStack
net.minecraft.client.gui.Hud
net.minecraft.client.gui.components.AbstractSelectionList
net.minecraft.client.gui.components.AbstractSelectionList.Entry
net.minecraft.client.gui.components.AbstractSliderButton
net.minecraft.client.gui.components.AbstractWidget
net.minecraft.client.gui.components.AbstractWidget.WithInactiveMessage
net.minecraft.client.gui.components.BossHealthOverlay
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.ContainerObjectSelectionList
net.minecraft.client.gui.components.ContainerObjectSelectionList.Entry
net.minecraft.client.gui.components.CycleButton
net.minecraft.client.gui.components.CycleButton.Builder
net.minecraft.client.gui.components.CycleButton.OnValueChange
net.minecraft.client.gui.components.EditBox
net.minecraft.client.gui.components.FocusableTextWidget
net.minecraft.client.gui.components.FocusableTextWidget.BackgroundFill
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

This mod adds a fully customizable HUD system and useful utilities for Minecraft. Whether you're playing survival, building, or PvP, it provides all the information and quality-of-life features you need in one place.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file flex_hud-1.2.1-26.3-fabric.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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