Java Edition guides/Halloween Update

This guide is a simplified overview of all the changes in the Halloween Update ( Alpha 1.2.x releases), which assumes at least some familiarity with the Alpha 1.1.x releases.
==Mobs==
===New===
Ghast 		The Nether		
*The first flying mob.
Zombie Pigman		The Nether		
*The first neutral mob.
===Changed===
Creeper 		
*Have new sound effects.
Skeleton		
*Now hold bows.
==Blocks==
===New===
Netherrack 		
*Found throughout the nether.	
*Any pickaxe.	
*Burns indefinitely when lit on fire.
Soul Sand 		
*Found in patches on the floor of the nether.	
*Any shovel.	
*Slows down entities that pass over it.
Glowstone 		
*Found in growths on the ceiling of the nether.	
*Any	
*Produces light.
Pumpkin 		
*Found in patches in the overworld.	
*Any axe.	
*Can be worn as a hat or crafted into a Jack o'Lantern.
Jack o'Lantern 			
*Any axe.	
*Produces light.
Nether Portal Block		
*Created when the interior of an empty 4x5 frame of obsidian is lit on fire.	
*Any	
*Touching this block teleports entities between the Overworld and Nether dimensions.
===Changed===
Grass and Leaves		
*Are now darker in color, and change shade based on the biome.
==Items==
===New===
Clock 			
*Can be used to tell the time.
Glowstone Dust		
*Obtained from glowstone blocks.	
*Can be used to craft glowstone blocks.
Raw Fish 		
*Obtained by fishing.	
*Can be cooked into cooked fish.
Cooked Fish 			
*Can be eaten to restore 5 hp.
===Changed===
Fishing Rod		
*Can now be used to catch fish.
*No longer stackable.
==Structures==
===New===
Nether Portal 		
*Created when a player enters another dimension through another portal, if there are no portals already nearby.	
*No	
*Zombie Pigmen	
*A portal made of obsidian and portal blocks used for interdimensional travel.
Glowstone blob		
*The Nether	
*No	
*No	
*A cluster of glowstone blocks hanging from the nether ceiling.
==Biomes==
===New===
The Nether 		
*A cavernous alternate dimension made up of netherrack and lava.	
*Nether Portals
*Glowstone Clusters
Desert 		
*A sandy biome.	
*Cacti
Savanna 		
*A flat grassy biome.	
Plains 		
*A flat grassy biome.	
Shrubland 		
*A grassy biome with some trees.	
*Oak trees
Swampland 		
*A grassy biome with some trees.	
*Oak trees
Seasonal Forest		
*A grassy biome covered with trees.	
*Oak trees
Forest 		
*A grassy biome covered with trees.	
*Oak trees
Rain Forest 		
*A grassy biome covered with trees.	
*Oak trees
Tundra 		
*A flat snowy biome.	
Taiga 		
*A snowy biome covered with trees.	
*Oak trees
== Gameplay ==
=== New ===
Sunrise and Sunset	The sky now changes color during sunrise and sunset.
Controls 	now enables you to hide your HUD.
==Music Tracks==
===New===
hal1.ogg 	Survival	"Subwoofer Lullaby"	
hal2.ogg 	Survival	"Living Mice" 	
hal3.ogg 	Survival	"Haggstrom" 	
hal4.ogg 	Survival	"Danny" 	
nuance1.ogg	Survival	"Key" 	
nuance2.ogg	Survival	"Oxygène" 	
piano1.ogg 	Survival	"Dry Hands" 	
piano2.ogg 	Survival	"Wet Hands" 	
piano3.ogg 	Survival	"Mice on Venus" 	
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