More Leather

Evidence

Ran on Kiln's test stand (2026-11-04): Main did not start: java.lang.NoClassDefFoundError: net/minecraft/world/level/storage/loot/functions/LootItemFunction$Builder.

What it needs from Kiln

• net.minecraft.advancements.predicates.ItemPredicate
• net.minecraft.advancements.predicates.ItemPredicate.Builder
• net.minecraft.advancements.predicates.entity.EntityEquipmentPredicate
• net.minecraft.advancements.predicates.entity.EntityEquipmentPredicate.Builder
• net.minecraft.advancements.predicates.entity.EntityPredicate
• net.minecraft.advancements.predicates.entity.EntityPredicate.Builder
• net.minecraft.core.HolderLookup.RegistryLookup
• net.minecraft.world.level.block.RotatedPillarBlock
• net.minecraft.world.level.material.MapColor
• net.minecraft.world.level.storage.loot.LootContext
• net.minecraft.world.level.storage.loot.LootContext.EntityTarget
• net.minecraft.world.level.storage.loot.functions.LootItemConditionalFunction
• net.minecraft.world.level.storage.loot.functions.LootItemConditionalFunction.Builder
• net.minecraft.world.level.storage.loot.functions.LootItemFunction
• net.minecraft.world.level.storage.loot.functions.LootItemFunction.Builder
• net.minecraft.world.level.storage.loot.functions.SetItemCountFunction
• net.minecraft.world.level.storage.loot.predicates.LootItemCondition
• net.minecraft.world.level.storage.loot.predicates.LootItemCondition.Builder
• net.minecraft.world.level.storage.loot.predicates.LootItemEntityPropertyCondition
• net.minecraft.world.level.storage.loot.predicates.LootItemRandomChanceCondition
• FabricCreativeModeTabOutput.insertAfter()
• FabricLoader.isModLoaded()
• DefaultedRegistry.getOptional()
• HolderLookup.Provider.lookupOrThrow()
• ItemStack.is()
• Items.BOOK
• Items.HAY_BLOCK
• Items.LEATHER
• Items.LEATHER_BOOTS
• Items.LEATHER_CHESTPLATE
• Items.LEATHER_HELMET
• Items.LEATHER_LEGGINGS
• Items.RABBIT_HIDE
• SoundType.WOOL
• BlockBehaviour.Properties.mapColor()
• LootPool.Builder.apply()
• LootPool.Builder.when()
• LootTable.Builder.pool()

On the roadmap: Minecraft's libraries and client API (0.2), Code next to data (0.3)

In the author's words

Leather economy overhaul: smelt rotten flesh into leather, deconstruct leather items into scraps, craft saddles and horse armor, and build a Block of Leather. Animal leather drops return when fabric-loot-api-v3 ships for this Minecraft version.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file more-leather-justfatlard-2.0.4.jar. The scan reads the mod's classes; it does not run them.