Fast Item Frames

Evidence

Ran on Kiln's test stand (2026-11-04): FastItemFramesFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess; FastItemFramesFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/client/color/block/BlockTintSource.

What it needs from Kiln

• an access widener
• Mixin
• com.mojang.blaze3d.vertex.PoseStack
• net.minecraft.client.color.block.BlockTintSource
• net.minecraft.client.gui.Hud
• net.minecraft.client.multiplayer.MultiPlayerGameMode
• net.minecraft.client.renderer.MapRenderer
• net.minecraft.client.renderer.block.BlockAndTintGetter
• net.minecraft.client.renderer.block.BlockModelRenderState
• net.minecraft.client.renderer.block.BlockModelResolver
• net.minecraft.client.renderer.blockentity.BlockEntityRenderer
• net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider
• net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider.Context
• net.minecraft.client.renderer.blockentity.state.BlockEntityRenderState
• net.minecraft.client.renderer.entity.EntityRenderDispatcher
• net.minecraft.client.renderer.entity.EntityRenderer
• net.minecraft.client.renderer.entity.ItemFrameRenderer
• net.minecraft.client.renderer.entity.state.EntityRenderState
• net.minecraft.client.renderer.entity.state.ItemFrameRenderState
• net.minecraft.client.renderer.feature.ModelFeatureRenderer
• net.minecraft.client.renderer.feature.ModelFeatureRenderer.CrumblingOverlay
• net.minecraft.client.renderer.item.ItemModelResolver
• net.minecraft.client.renderer.item.ItemStackRenderState
• net.minecraft.core.Direction.Axis
• net.minecraft.core.Direction.AxisDirection
• net.minecraft.core.NonNullList
• net.minecraft.core.component.DataComponentGetter
• net.minecraft.core.component.DataComponentMap
• net.minecraft.core.component.DataComponentMap.Builder
• net.minecraft.core.component.DataComponents
• net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket
• net.minecraft.network.syncher.SynchedEntityData
• net.minecraft.server.MinecraftServer
• net.minecraft.server.TickTask
• net.minecraft.server.network.ServerGamePacketListenerImpl
• net.minecraft.util.Mth
• net.minecraft.util.Unit
• net.minecraft.util.context.ContextKey
• net.minecraft.world.Container
• net.minecraft.world.ContainerHelper
• net.minecraft.world.Containers
• net.minecraft.world.damagesource.DamageSources
• 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

Supercharged item frames! Less lag, better performance, and now they can change color and vanish!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file fastitemframes-v26.3.0-mc26.3.x+fabric.jar. The scan reads the mod's classes; it does not run them.