Hendrix's Better Copper Age

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

Evidence

Ran on Kiln's test stand (2026-11-04): BetterCopperAge did not start: java.lang.NoClassDefFoundError: net/minecraft/world/item/InstrumentItem; BetterCopperAgeClient did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/object/builder/v1/block/entity/FabricBlockEntityTypeBuilder$Factory.

What it needs from Kiln

an access widener
Mixin
net.fabricmc.fabric.api.creativetab.v1.FabricCreativeModeTab
net.fabricmc.fabric.api.event.player.AttackBlockCallback
net.fabricmc.fabric.api.event.player.AttackEntityCallback
net.fabricmc.fabric.api.event.player.UseBlockCallback
net.fabricmc.fabric.api.event.player.UseEntityCallback
net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder
net.fabricmc.fabric.api.gamerule.v1.GameRuleBuilder.BooleanRuleBuilder
net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder
net.fabricmc.fabric.api.object.builder.v1.block.entity.FabricBlockEntityTypeBuilder.Factory
net.fabricmc.fabric.api.registry.OxidizableBlocksRegistry
net.minecraft.advancements.triggers.CriteriaTriggers
net.minecraft.advancements.triggers.ItemUsedOnLocationTrigger
net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider
net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider.Context
net.minecraft.client.renderer.blockentity.BlockEntityRenderers
net.minecraft.client.renderer.blockentity.CampfireRenderer
net.minecraft.core.HolderLookup.RegistryLookup
net.minecraft.core.HolderSet
net.minecraft.core.HolderSet.Named
net.minecraft.core.RegistryAccess
net.minecraft.core.component.DataComponents
net.minecraft.references.BlockItemId
net.minecraft.stats.StatType
net.minecraft.stats.Stats
net.minecraft.tags.InstrumentTags
net.minecraft.tags.ItemTags
net.minecraft.tags.TagKey
net.minecraft.util.Mth
net.minecraft.util.Util
net.minecraft.world.entity.EntityTypes
net.minecraft.world.entity.EquipmentSlot
net.minecraft.world.entity.animal.golem.CopperGolem
net.minecraft.world.entity.animal.golem.CopperGolemAi
net.minecraft.world.entity.decoration.ArmorStand
net.minecraft.world.entity.decoration.GlowItemFrame
net.minecraft.world.entity.decoration.ItemFrame
net.minecraft.world.item.CreativeModeTab.Builder
net.minecraft.world.item.CreativeModeTab.DisplayItemsGenerator
net.minecraft.world.item.CreativeModeTab.ItemDisplayParameters
net.minecraft.world.item.CreativeModeTab.Output
and 79 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

Make Copper Golems interact with Copper Buttons, like originally intended, and boost your builds with new decorative blocks!

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file BetterCopperAge-1.5-Fabric.jar. The scan reads the mod's classes; it does not run them.

Reports from players

No reports from players yet.

Thank you. Your report is counted.