Region Mod

Evidence

Ran on Kiln's test stand (2026-11-04): RegionMod did not start: java.lang.NoClassDefFoundError: net/fabricmc/fabric/api/command/v2/CommandRegistrationCallback.

What it needs from Kiln

• Mixin
• net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback
• net.fabricmc.fabric.api.entity.event.v1.ServerEntityLevelChangeEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerEntityLevelChangeEvents.AfterEntityChange
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents
• net.fabricmc.fabric.api.entity.event.v1.ServerLivingEntityEvents.AllowDamage
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents
• net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents.StartTick
• net.fabricmc.fabric.api.event.player.AttackBlockCallback
• net.fabricmc.fabric.api.event.player.AttackEntityCallback
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents.After
• net.fabricmc.fabric.api.event.player.PlayerBlockBreakEvents.Before
• net.fabricmc.fabric.api.event.player.UseBlockCallback
• net.fabricmc.fabric.api.event.player.UseEntityCallback
• net.fabricmc.fabric.api.event.player.UseItemCallback
• net.minecraft.commands.CommandSourceStack
• net.minecraft.commands.Commands
• net.minecraft.commands.Commands.CommandSelection
• net.minecraft.commands.arguments.coordinates.BlockPosArgument
• net.minecraft.server.MinecraftServer
• net.minecraft.server.permissions.PermissionSet
• net.minecraft.server.permissions.Permissions
• net.minecraft.server.players.PlayerList
• net.minecraft.world.damagesource.DamageSource
• net.minecraft.world.entity.EntityType
• net.minecraft.world.entity.boss.enderdragon.EndCrystal
• net.minecraft.world.entity.boss.wither.WitherBoss
• net.minecraft.world.entity.decoration.GlowItemFrame
• net.minecraft.world.entity.decoration.ItemFrame
• net.minecraft.world.entity.item.FallingBlockEntity
• net.minecraft.world.entity.item.ItemEntity
• net.minecraft.world.entity.item.PrimedTnt
• net.minecraft.world.entity.monster.Creeper
• net.minecraft.world.entity.monster.Phantom
• net.minecraft.world.entity.projectile.Projectile
• net.minecraft.world.entity.vehicle.minecart.MinecartTNT
• net.minecraft.world.item.ArmorStandItem
• net.minecraft.world.item.BoatItem
• net.minecraft.world.item.BoneMealItem
• net.minecraft.world.item.BrushItem
• and 75 more

On the roadmap: Code next to data (0.3), Mixin (0.5)

In the author's words

Regions with Subregions and Playerprotection.

Scan

Scanned on 4 November 2026 against Kiln 0.2.0, file region-mod-1.2.2.jar. The scan reads the mod's classes; it does not run them.