Java Edition guides/World of Color Update

This guide is a simplified overview of all the changes in the World of Color Update ( 1.12.x releases), which assumes at least some familiarity with the Exploration Update (Java Edition 1.11.x releases).
== Mobs ==
=== New ===
Parrot 		
*All jungle biomes	
* (when killed by a player or tamed wolf)	
*Passive mob, tamable with seeds.
*Normally flies around, but sits when tired.
*They dance if a jukebox is playing music nearby.
*Feeding it a cookie will cause it to die.
Illusioner		
*Can only spawn by using the command	
* (when killed by a player or tamed wolf)	
*New Illager type.
*Affect players with Blindness for 20 seconds, then summon duplicates of themselves
=== Changed ===
Sheep 		
* Changed color texture to match wool colors.
Shulker		
* Changed color texture to match wool
** Purple Shulker is unchanged.
Wither 		
* Can no longer break down End gateway blocks.
== Blocks ==
=== New ===
Concrete 		
* Created when concrete powder comes into contact with still or flowing water.	Pickaxe	
* Can be used as a decorative block.
Concrete powder 			Shovel 	
* Can be used as a decorative block.
* Can be turned into Concrete if it comes into contact with water.
Glazed terracotta 			Pickaxe	
* Can be used as a decorative block.
* Can be useful in redstone mechanisms, as blocks pushed by pistons don't stick to it on the side.
Beds for all colors			Axe 	
*Can be used to set the player's spawn point and to skip the night.
=== Changed ===
Wools, banners and shulker boxes 		
*Changed textures.
** Purple Shulker Box is unchanged.
Bed 		
* Renamed to "Red Bed".
* Can now only be crafted using red wool.
* Changed texture.
* Now has a 3D model in the inventory.
* Beds are made bouncy, though they do not completely reduce all fall damage.
Hardened clay 		
* Renamed to Terracotta.
Buttons, levers, redstone torches, torches, and tripwire hooks		
*They can now be placed on Jack o'lanterns.
Fences, cobblestone walls, glass panes, and iron bars 		
*Now connect to the back and underside of stairs
== Items ==
=== New ===
Parrot Spawn Egg		
* Available in the creative inventory.	
* Can be used to spawn parrots.
Knowledge Book 		
* Only available with commands.	
* Can be used to unlock recipes.
=== Changed ===
Map		
*Dyed blocks such as banners and terracotta now have unique colors
== Non-mob entities ==
===Changed ===
Minecart with TNT		
*No longer instantly explode when hit with fire charges; instead, they explode as if primed by an activator rail.
Paintings 		Will now try to place the largest possible in the available space it has
== Sounds ==
=== New ===
Xylophone	If bone block is under the note block. 	
Bell 	If block of gold is under the note block.	
Flute 	If clay is under the note block. 	
Chime 	If packed ice is under the note block. 	
Guitar 	If wool is under the note block. 	
===Changed ===
Fishing Rod 	
*Casting
*Reeling
Eye of Ender	
*Throwing an eye of ender
*An eye of ender exploding or popping back into item form
*Putting ender eye in end portal frames (dinging sound)
End portal 	
*Completing the end portal and having the portal spawn (evil sound)
Boat 	
*Boat paddles
Player 	
*Player drowning
*Player burning
Toasts 	
*Completing a challenge advancement
*Toast notifications
== Gameplay ==
 
=== New ===
Recipe book	
*Catalogs recipes that are unlocked when the criteria are met.
*When a recipe is clicked, it will appear in the crafting grid, and can be crafted if materials are available.
 
=== Changed ===
Advancements	
*Replaces Achievements.
*Can be customized via JSON files.
*There are currently 5 tabs.
:Now, it can be open by keyboard keybinding L.
 
== Other ==
===Changed ===
Java	
* Support for Java 6 and 7 was dropped in this version, so Java 8 or later is now required.
es:Guías de Java Edition/World of Color Update
ja:ガイド/Java Edition/色彩の世界アップデート
zh:Java版指南/多彩世界更新