KastSize — Aspect Ratio Stretch

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

Evidence

Ran on Kiln's test stand (2026-11-04): KastSizeClient did not start: java.lang.NoClassDefFoundError: com/mojang/blaze3d/platform/InputConstants$Key.

What it needs from Kiln

Mixin
com.mojang.blaze3d.platform.InputConstants.Key
com.mojang.blaze3d.platform.NativeImage
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.systems.RenderSystem
com.mojang.blaze3d.systems.SamplerCache
com.mojang.blaze3d.vertex.VertexConsumer
com.mojang.renderpearl.api.GpuFormat
com.mojang.renderpearl.api.pipeline.ColorTargetState
com.mojang.renderpearl.api.pipeline.PrimitiveTopology
com.mojang.renderpearl.api.pipeline.RenderPipeline
com.mojang.renderpearl.api.pipeline.RenderPipeline.Builder
com.mojang.renderpearl.api.pipeline.RenderPipeline.Snippet
com.mojang.renderpearl.api.textures.FilterMode
com.mojang.renderpearl.api.vertex.VertexFormat
com.mojang.renderpearl.api.vertex.VertexFormat.Builder
net.minecraft.client.Options
net.minecraft.client.gui.GuiGraphicsExtractor.ScissorStack
net.minecraft.client.gui.navigation.ScreenRectangle
net.minecraft.client.gui.render.TextureSetup
net.minecraft.client.input.KeyEvent
net.minecraft.client.input.MouseButtonEvent
net.minecraft.client.renderer.BindGroupLayouts
net.minecraft.client.renderer.RenderPipelines
net.minecraft.client.renderer.state.gui.GuiElementRenderState
net.minecraft.client.renderer.state.gui.GuiRenderState
net.minecraft.client.renderer.texture.AbstractTexture
net.minecraft.client.renderer.texture.DynamicTexture
org.lwjgl.PointerBuffer
org.lwjgl.system.MemoryStack
org.lwjgl.system.MemoryUtil
org.lwjgl.util.freetype.FT_Bitmap
org.lwjgl.util.freetype.FT_Face
org.lwjgl.util.freetype.FT_GlyphSlot
org.lwjgl.util.freetype.FT_Vector
org.lwjgl.util.freetype.FreeType
InputConstants.UNKNOWN
InputConstants.getKey()
InputConstants.Type.getOrCreate()
KeyMapping.isUnbound()
KeyMapping.matches()
and 12 more

On the roadmap: Minecraft's libraries and client API (0.2), Mixin (0.5)

In the author's words

Aspect ratio stretch presets + custom mode for a “stretched” competitive look. (растяг экрана)

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file kastsize-2.0.0-26.3.jar. The scan reads the mod's classes; it does not run them.

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