Biomes O' Plenty Legacy Reborn

Evidence

Ran on Kiln's test stand (2026-11-04): CpBopMod did not start: java.lang.NoClassDefFoundError: org/apache/logging/log4j/LogManager.

What it needs from Kiln

• an access widener
• Mixin
• net.fabricmc.api.EnvType
• net.fabricmc.fabric.api.biome.v1.BiomeModifications
• net.fabricmc.fabric.api.biome.v1.BiomeSelectors
• net.fabricmc.fabric.api.event.EventFactory
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.EndTick
• net.fabricmc.fabric.api.event.player.AttackBlockCallback
• net.fabricmc.fabric.api.event.player.UseEntityCallback
• net.fabricmc.fabric.api.registry.FlammableBlockRegistry
• net.minecraft.client.model.HumanoidModel
• net.minecraft.client.model.Model
• net.minecraft.client.model.geom.ModelPart
• net.minecraft.client.resources.model.EquipmentClientInfo
• net.minecraft.client.resources.model.EquipmentClientInfo.Layer
• net.minecraft.client.resources.model.EquipmentClientInfo.LayerType
• net.minecraft.commands.CommandSource
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.core.particles.ParticleTypes
• net.minecraft.server.MinecraftServer
• net.minecraft.server.TickTask
• net.minecraft.server.level.ServerPlayer.RespawnConfig
• net.minecraft.server.permissions.LevelBasedPermissionSet
• net.minecraft.tags.BlockTags
• net.minecraft.tags.EntityTypeTags
• net.minecraft.tags.TagKey
• net.minecraft.world.effect.MobEffect
• net.minecraft.world.effect.MobEffectCategory
• net.minecraft.world.effect.MobEffectInstance
• net.minecraft.world.effect.MobEffects
• net.minecraft.world.entity.EquipmentSlot
• net.minecraft.world.entity.TamableAnimal
• net.minecraft.world.entity.item.ItemEntity
• net.minecraft.world.food.FoodProperties
• net.minecraft.world.food.FoodProperties.Builder
• net.minecraft.world.item.CreativeModeTab.Builder
• net.minecraft.world.item.CreativeModeTab.DisplayItemsGenerator
• net.minecraft.world.item.CreativeModeTab.ItemDisplayParameters
• net.minecraft.world.item.CreativeModeTab.Output
• net.minecraft.world.item.CreativeModeTab.Row
• 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

A Minecraft mod that digs up long-lost ores from early Biomes O' Plenty updates, and now you can grow them.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file cp_bop-3.5.7-fabric-26.3.jar. The scan reads the mod's classes; it does not run them.