Aeonis: Command Master - Changelog

2.0.0 - Minecraft 1.21.11 Migration 🚀 (2026-01-07)

🎮 Version Update

• Minecraft: 1.21.10 → 1.21.11
• Fabric Loader: 0.18.4
• Fabric Loom: 1.14-SNAPSHOT → 1.14.10
• Fabric Language Kotlin: 1.13.8+kotlin.2.3.0
• Fabric API: 0.138.4 → 0.141.1+1.21.11

🔧 Major API Changes (Technical)

Class Renames

Old (1.21.10)	New (1.21.11)
net.minecraft.resources.ResourceLocation	net.minecraft.resources.Identifier
ResourceLocation.fromNamespaceAndPath()	Identifier.fromNamespaceAndPath()

Method Renames

Old (1.21.10)	New (1.21.11)
resourceKey.location()	resourceKey.identifier()
entity.hasImpulse	entity.hurtMarked
team.playerPrefix = x	team.setPlayerPrefix(x)
team.displayName = x	team.setDisplayName(x)

Permission System Overhaul

Old (1.21.10)	New (1.21.11)
source.hasPermission(2)	source.permissions().hasPermission(Permissions.COMMANDS_GAMEMASTER)
player.hasPermissions(2)	player.permissions().hasPermission(Permissions.COMMANDS_GAMEMASTER)
.withPermission(4)	.withPermission(PermissionSet.ALL_PERMISSIONS)

Entity Package Migrations

Many entity classes moved to subpackages:

• entity.monster.Zombie → entity.monster.zombie.Zombie
• entity.monster.Skeleton → entity.monster.skeleton.Skeleton
• entity.monster.Drowned → entity.monster.zombie.Drowned
• entity.monster.Stray → entity.monster.skeleton.Stray
• entity.monster.Pillager → entity.monster.illager.Pillager
• entity.animal.Bee → entity.animal.bee.Bee
• entity.animal.Parrot → entity.animal.parrot.Parrot
• entity.animal.WaterAnimal → entity.animal.fish.WaterAnimal
• entity.projectile.AbstractArrow → entity.projectile.arrow.AbstractArrow
• entity.vehicle.Minecart → entity.vehicle.minecart.Minecart

GUI Component Changes

• CycleButton.builder<T> { }.withInitialValue(v) → CycleButton.builder(function, defaultValue)
• Builder now takes two parameters: the display function and initial value

Mixin Signature Changes

• Camera.setup first parameter: BlockGetter → Level

Removed Methods

• player.playNotifySound() - REMOVED
  • Created custom SoundUtils.kt extension function as replacement
  • Uses ClientboundSoundPacket directly

✨ New Features

• BodyEntity Protection: /transform aeonis:body now blocked with helpful error message
  • Directs players to use the Soul Possession system instead
• Updated Window Title: Now shows "Minecraft 1.21.11 (Aeonis Plus v2.0.0)"

🐛 Bug Fixes

• Fixed LlmCommands.isSinglePlayer() null pointer crash on command registration
• Fixed all mixin target signatures for 1.21.11 compatibility
• Fixed entity renderer imports for client-side code

📁 Files Modified

• gradle.properties - Version updates
• SoundUtils.kt (NEW) - playNotifySound extension function
• AeonisNetworking.kt - Entity imports
• ManhuntCommands.kt - Permission API
• HerobrineEntity.kt - identifier() method
• HunterEntity.kt - hurtMarked field
• PropHuntManager.kt - Team setter methods
• PropDisguiseManager.kt - Minecart import
• HunterAbilityManager.kt - identifier() method
• LlmCommands.java - Permission API + null safety
• LlmNetworking.java - Permission API
• AeonisAssistant.java - Permission API + identifier()
• AeonisLlmConfigScreen.java - CycleButton API
• CameraMixin.java - Level parameter + identifier()
• LocalPlayerMixin.java - Entity imports + identifier()
• All client-side Kotlin files - ResourceLocation → Identifier
• Multiple Java mixins - Entity package imports