Minecraft Beta 1.12.0.2 - What's New?

Without any announcements, the developers published a new test version of Minecraft Bedrock (PE) numbered 1.12. This update is entirely focused on making changes to the API and fixing many bugs!

Known Issues:

• Heads of some mobs may be offset when they sleep or sit
• Tridents and shields may appear invisible when held by a player

New Features:

• Item IDs can now be synchronized between clients and servers
• Added auto-completion in command blocks
• Added the spawnRadius game rule
• Enabled content logging on Bedrock Dedicated Server
• Added a delay option for command blocks

For Map Makers and Add-on Developers

• Added ability to create items using Add-Ons
• Added ability to create custom biomes
• Mob events can now be enabled and disabled in template worlds
• Animations and particles can be added without being bound to entities
• Sound effects can now be triggered by animation events
• Added executeCommand to scripting API
• Added script events for item interactions, such as: drop, item pickup, item change in hand
• Added support for one-shot animations, allowing a single animation to play on an entity
• Particles can now trigger script events
• Added a screen for content error output: Settings → Profile → Enable Content Log GUI
• Custom blocks can now be added using scripts
  • This feature is in development, so more capabilities will come in the future
  • Blocks cannot be created using plain JSON at this time
  • Custom blocks can only be placed using commands
• Added new particles that can now be customized using JSON:
  • Llama spit (llama_spit)
  • Large explosion (large_explosion_level)
  • Colored flame (colored_flame)
  • Redstone dust
  • Falling dust
  • Lava
  • Enchanting table
  • Conduit
• Added new animations that can now be customized using JSON:
  • Wolf
  • Attacking jaws
  • Arrows
  • Shulker projectile
  • Bow
  • Water
• Updated documentation, including a "Breaking Changes" section
• Item API V0
  • actor_acquired_item
  • actor_carried_item_changed
  • actor_dropped_item
  • actor_use_item
  • actor_equipped_armor
• Inventory API V0
  • inventory_container
  • armor_container
  • hand_container (note that the hand container will get you both the main hand and offhand)
  • hotbar_container
• Block API V0
  • getBlock(Ticking Area, x, y, z)
  • getBlock(Ticking Area, PositionObject)
  • getBlocks(Ticking Area, x min, y min, z min, x max, y max, z max)
  • getBlocks(Ticking Area, Minimum PositionObject, Maximum PositionObject)
  • block_destruction_started
  • block_destruction_stopped
  • piston_moved_block
  • player_destroyed_block
  • player_placed_block
• executeCommand API
  • Allows scripting API to get the result of a slash command
• Event Data API
  • Allows creators to create event data, register it, and pass it to the event function.
• Updated demo packs

Bug Fixes:

• Improved chunk loading performance in multiplayer
• Fixed a crash that could occur when switching players on Xbox
• Cached resource packs will no longer cause hangs on Nintendo Switch
• Fixed a crash when starting the game on some Windows 10 devices
• Fixed a crash when loading some interactive blocks (e.g., beds, chests, furnaces) when connecting to Realms
• Fixed a crash when fighting the Elder Guardian in an ocean monument
• Fixed a crash when throwing a trident with Loyalty enchantment
• Fixed a crash that could occur when exiting the game
• Fixed a number of other bugs

You can download the update on the page [Minecraft Bedrock Beta 1.12.0.2].