Reborn Core

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

Evidence

Ran on Kiln's test stand (2026-11-04): RebornCore did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/transfer/v1/storage/Storage; RebornCoreClient did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/resource/IdentifiableResourceReloadListener.

What it needs from Kiln

an access widener
Mixin
com.mojang.blaze3d.ProjectionType
com.mojang.blaze3d.pipeline.RenderTarget
com.mojang.blaze3d.platform.Lighting
com.mojang.blaze3d.platform.Lighting.Entry
com.mojang.blaze3d.platform.NativeImage
com.mojang.blaze3d.platform.Window
com.mojang.blaze3d.systems.RenderSystem
com.mojang.blaze3d.systems.SamplerCache
com.mojang.blaze3d.vertex.PoseStack
com.mojang.math.Axis
com.mojang.renderpearl.api.GpuFormat
com.mojang.renderpearl.api.buffers.GpuBuffer
com.mojang.renderpearl.api.buffers.GpuBufferSlice
com.mojang.renderpearl.api.buffers.GpuBufferSlice.MappedView
com.mojang.renderpearl.api.commands.CommandEncoder
com.mojang.renderpearl.api.commands.RenderPass
com.mojang.renderpearl.api.device.GpuDevice
com.mojang.renderpearl.api.textures.FilterMode
com.mojang.renderpearl.api.textures.GpuTexture
io.netty.handler.codec.DecoderException
net.fabricmc.fabric.api.attachment.v1.AttachmentRegistry
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientBlockEntityEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientBlockEntityEvents.Unload
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents
net.fabricmc.fabric.api.client.event.lifecycle.v1.ClientLifecycleEvents.ClientStarted
net.fabricmc.fabric.api.client.item.v1.ItemTooltipCallback
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.Context
net.fabricmc.fabric.api.client.networking.v1.ClientPlayNetworking.PlayPayloadHandler
net.fabricmc.fabric.api.client.render.fluid.v1.FluidRenderingRegistry
net.fabricmc.fabric.api.client.rendering.v1.FabricRenderState
net.fabricmc.fabric.api.client.rendering.v1.PictureInPictureRendererRegistry
net.fabricmc.fabric.api.client.rendering.v1.PictureInPictureRendererRegistry.Context
net.fabricmc.fabric.api.client.rendering.v1.PictureInPictureRendererRegistry.Factory
net.fabricmc.fabric.api.client.rendering.v1.RenderStateDataKey
net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionContext
net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionEvents
net.fabricmc.fabric.api.client.rendering.v1.level.LevelExtractionEvents.AfterBlockOutlineExtraction
net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderContext
net.fabricmc.fabric.api.client.rendering.v1.level.LevelRenderEvents
and 82 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

Reborn Core is a library used for many of the Tech Reborn team's mods

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file RebornCore-6.2.1.jar. The scan reads the mod's classes; it does not run them.

Reports from players

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