Reach Behind

Evidence

Ran on Kiln's test stand (2026-11-04): ReachBehindFabric did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess; ReachBehindFabricClient did not start: java.lang.NoClassDefFoundError: net/minecraft/core/RegistryAccess.

What it needs from Kiln

• an access widener
• Mixin
• net.minecraft.advancements.triggers.CriteriaTriggers
• net.minecraft.advancements.triggers.DefaultBlockInteractionTrigger
• net.minecraft.advancements.triggers.ItemUsedOnLocationTrigger
• net.minecraft.client.gui.Hud
• net.minecraft.network.chat.CommonComponents
• net.minecraft.network.codec.ByteBufCodecs
• net.minecraft.network.codec.StreamCodec
• net.minecraft.network.protocol.common.custom.CustomPacketPayload
• net.minecraft.network.protocol.common.custom.CustomPacketPayload.Type
• net.minecraft.server.network.ConfigurationTask
• net.minecraft.server.network.ConfigurationTask.Type
• net.minecraft.tags.BlockTags
• net.minecraft.tags.TagKey
• net.minecraft.world.entity.EntityTypeIds
• net.minecraft.world.level.block.state.properties.Property.Value
• net.minecraft.world.phys.EntityHitResult
• net.minecraft.world.phys.HitResult.Type
• net.minecraft.core.RegistryAccess
• Minecraft.hitResult
• Minecraft.isLocalServer()
• Minecraft.startUseItem()
• Gui.hud
• Registries.ENTITY_TYPE
• Component.copy()
• Entity.getDirection()
• Entity.getType()
• Entity.is()
• Player.isSecondaryUseActive()
• BlockState.getMenuProvider()
• BlockState.getValues()
• BlockState.is()
• BlockHitResult.withPosition()
• HitResult.getType()

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

Click through decorations and interact with the blocks behind them.

Scan

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