Java Edition guides/Bountiful Update

This guide is a simplified overview of all the changes in the Bountiful Update ( 1.8.x releases), which assumes at least some familiarity with The Update that Changed the World (Java Edition 1.7.x releases).
== Mobs ==
=== New ===
Endermite 		Chance to spawn when a player or enderman teleports using an ender pearl. 	
* (when killed by a player or tamed wolf)	
* Usually despawns within 2 minutes after they spawn.
Guardian 		Spawns in ocean monuments. 	
 (if killed by fire)
* (when killed by a player or tamed wolf)	
* Attacks squid and players with a beam.
* When on land it flops around but remains hostile.
* The player will also get damaged with a thorns-like effect if it damages the guardian while their spikes are deployed (as if it's being prickled).
Elder Guardian		A boss-like variant of Guardians, with greater health, greater size and different appearance.	
 (if killed by fire)
* (when killed by a player or tamed wolf)	
* There are 3 elders in each ocean monument.
* When on land it flops around but remains hostile.
* A flashing boss guardian will appear on screen when close to the boss guardian, and Mining Fatigue III will be inflicted on the player for 5 minutes.
Rabbit 		Spawns in the same biomes passive mobs spawn in. 	
 (if killed by fire)
* (when killed by a player or tamed wolf)	
* Rabbits have the same AI as the most other passive mobs, and jump around randomly.
* Makes little squeaky sounds when hurt or killed.
=== Changed ===
All mobs 		
* Improved AI.
* Now show a glow of a slightly different color when hurt.
Villagers 		
* Now have a system for distinguishing professions (colored clothes) and career
* Farmer (Brown robe): Farmer, Fisherman, Shepherd and Fletcher / Librarian (White robe): Librarian / Priest (Purple robe): Cleric / Blacksmith (Black apron): Armorer, Weapon Smith and Tool Smith / Butcher (White apron): Butcher, Leather worker.
* When struck by lightning, they turn into witches.
* Have a head slot where helmets and other items can be applied.
* Only breed when willing.
** The first time a specific trade is done, the villager will become willing; any other time there's a 1 in 5 chance it will become willing again.
** When a baby villager is born, both parents lose their willingness.
** Villagers become willing to breed by consuming food: 3 bread or 12 potatoes or 12 carrots.
** Finding out a villager's willingness in survival is achieved by counting the amount of xp given when trading:
*** Normal trading yields 3–6 experience points.
* Changes to the farmer (profession) villager AI:
** Harvest, collect and replant grown potato, carrot & wheat crops.
** Craft wheat into bread.
** Share food with other villagers.
Wither skeletons 		
* Hitbox has been changed from 2.5 to 3 blocks.
Zombie pigmen 		
* Adult zombie pigmen will forgive after a short time (and lose the aggression speed boost), but will continue to attack until the player escapes their aggression distance.
* Baby zombie pigmen are now always hostile to players who have ever attacked them.
* The only way to obtain gold nuggets and gold ingots from zombie pigmen, is now for the player to kill them, whether it's through combat, potions, or player-activated mechanisms such as manually lit TNT.
* If killed without player intervention, zombie pigmen now only drop rotten flesh.
* The weapon holding position of zombie pigmen has now been changed.
Endermen 		
* Walk slightly faster.
* Naturally aggressive towards endermites.
** No longer hostile to non-pearl spawned endermites.
Blazes 		
* Walk slightly faster.
Silverfish 		
* Will stop occasionally before moving again (similarly to most mobs).
Sheep 		
* Drop mutton when killed.
Giants 		
* Can wear armor that is properly rendered.
* Removed AI.
Human 		
* Removed AI.
Iron golems 		
* No longer attack the player while in creative.
* Attack and are attacked by zombies, skeletons, creepers, spiders, cave spiders, slimes, magma cubes, and blazes without provocation.
Snow golems 		
* Snow golems below layer 64 no longer leave a trail of snow.
Wolves 		
* Tamed and untamed wolves attack skeletons and wither skeletons without provocation, similar to how untamed wolves attack sheep in the wild.
Skeletons & wither skeleton]s		
* Run away from wolves instead of fighting back.
Spiders & cave spiders 		
* Can no longer draw line of sight through opaque blocks.
== Blocks ==
=== New ===
Diorite 			
*Pickaxe	
* Decoration block.
Andesite 			
*Pickaxe	
* Decoration block.
Granite 			
*Pickaxe	
* Decoration block.
Polished Diorite 			
*Pickaxe.	
* Decoration block.
Polished Andesite 			
*Pickaxe	
* Decoration block.
Polished Granite 			
*Pickaxe	
* Decoration block.
Prismarine 		
* Prismarine generate in ocean monuments.	
*Pickaxe	
* The cracks in prismarine appear to slowly change color between brown, blue, gray and purple.
Prismarine Bricks 		
* Prismarine bricks generate in ocean monuments.	
*Pickaxe	
* Decoration block.
Dark Prismarine 		
* Dark prismarine generate in ocean monuments.	
*Pickaxe	
* Decoration block.
Sea Lantern 			
*Pickaxe	
* Decoration block.
* Used as a light source.
Wet Sponge 		
* Dropped by Elder Guardians
* Generates in ocean monuments	
*Any	
* Can be dried in a furnace.
Red Sandstone 			
*Pickaxe	
* Decorative building blocks.
Red Sandstone Stairs and Slabs			
*Pickaxe	
* Decorative building blocks.
Iron Trapdoor 			
*Pickaxe	
Slime Block 			
*Any	
* Slime blocks will push and pull each other, along with adjacent blocks, when at least one of them is moved by a sticky piston.
** Allows for moveable contraptions.
Banner 			
*Axe	
* Crafted like signs, but with one color of wool instead of planks.
* Stacks up to 16.
Fence for all wood types. 			
*Axe	
* Acts like a barrier for mobs and players.
Fence Gate for all wood types.			
*Axe	
* Acts like a barrier for mobs and players.
Door for all wood types. 			
*Axe	
* Can be opened and closed.
Coarse Dirt 			
*Shovel	
* Now craftable and naturally generates in Giant Tree Taiga variants, Mesa Forest Plateau Mutated Mesa Plateau, Shattered Savanna and Shattered Savanna Plateau biomes.
* Was formerly called "grassless dirt", and had the same appearance as normal dirt, was not craftable, dropped normal dirt when broken, and was not available in the creative inventory.
Barrier 		
*	
* Cannot be broken in survival	
* Acts like bedrock, but is completely transparent.
* Can be used to create impenetrable boundaries.
=== Changed ===
Chiseled Stone Bricks		
* Now craftable.
Cracked Stone Bricks 		
* Can now be obtained by smelting stone bricks.
Mossy Cobblestone 		
* Now craftable.
* Changed texture.
Mossy Stone Bricks 		
* Now craftable.
Cobblestone Stairs 		
* Renamed from "Stone Stairs" to "Cobblestone Stairs"
Furnace 		
* When a furnace runs out of fuel, the smelting progress will rewind at 2× speed.
* Empty furnaces will only accept fuel and empty buckets in the fuel slot, unless a command forces it to.
Beacon 		
* Beacon light beams change color when going through stained glass and stained glass panes.
** Making it feed into multiple stained glass blocks/panes will combine the colors.
* Beam now goes through all blocks that don't completely block light: Ice, water and leaves.
Hay Bale 		
* Rebalanced how they heal and accelerate the growth of horses.
** Now do it nine times as fast.
Packed Ice 		
* Mined faster with a pickaxe.
Mushroom blocks 		
* When harvested with silk touch enchantment, they drop blocks with corresponding mushroom texture (red or brown) on all sides, rather than the one with spores.
Sponge 		
* Reintroduced sponge to survival mode, with new behavior and texture.
* Sponge turns into wet sponge when it soaks up water.
** Water particles appear around the sponge when this happens.
* Sponge destroys water blocks from 5 blocks away in a kind of sphere.
* Sponge soaks up water, only when some water is touching it.
Door 		
* Stack to 64.
* The crafting recipe for doors gives three doors instead of one.
* Door item textures were given more detail, to be consistent with the item textures of the new doors.
* "Wooden Doors" have been renamed to "Oak Doors".
Dispenser 		
* Can place pumpkins or wither skeleton skulls to spawn golems and withers respectively.
** Will only place them if the body of the golem or wither is already built, in a valid configuration.
* Can place command blocks with pre-configured commands.
Button 		
* Can be placed on the ceiling and on the ground.
Redstone Comparator 		
* Can now detect what way an item frame is rotated.
Redstone Repeater 		
* No longer emit light.
Daylight Sensor 		
* Can be inverted with a right click, which changes the color of the nine "sensors" to change to a blue hue.
** Reaches full strength at the opposite time than it would when set to normal.
** This can allow for a light that turns on at night rather than day, without the need of a NOT gate
Activator Rail 		
* Powered activator rails will shake minecarts, causing riders (players or mobs) to dismount.
== Items ==
=== New ===
Prismarine Crystals		
* Drop from guardians.	
* Used to craft sea lanterns.
Prismarine Shard 		
* Drops from guardians.	
* Used to craft all three kinds of prismarine blocks and sea lanterns.
Raw Mutton 		
* Drops from sheep.	
* Restores and 1.2 saturation.
* Can be cooked into cooked mutton.
Cooked Mutton 			
* Restores and 9.6 saturation.
Raw Rabbit 		
* Drops from rabbits.	
* Restores and 1.8 saturation.
* Can be cooked into cooked rabbit.
Cooked rabbit 			
* Restores and 6 saturation.
Rabbit Stew 			
* Restores and 12 saturation.
Rabbit Hide 		
* Drops from rabbits.	
* Can be crafted in a 2×2 arrangement to produce leather.
Rabbit's Foot 		
* Rarely drops from rabbits.	
* Brewed to make a Potion of Leaping.
Spawn Egg
(Endermite, Guardian and Rabbit)		
* Can be obtained only via creative inventory.	
* Have the same function as other spawn eggs
== Potions ==
=== New ===
		
* Leaping
== Non-mob entities ==
=== New ===
Armor Stand			Itself	
*Can be used to decoratively display armor (including pumpkins, mob heads and player heads).
**Armor can be right-clicked to equip the armor stand.
**Armor can be equipped by dispensers aimed at any part of the stand.
=== Changed ===
Arrow 		
*Behave differently underwater.
**They will lose all velocity after a few blocks and slowly fall.
**Fire arrows will be immediately extinguished.
Minecart with TNT		
*Can be ignited with a flame enchanted bow.
*Explosions no longer stack linearly.
Item Frame 		
*Can be seen from further away.
*Items in item frames can now face eight different directions, instead of just four.
*Item frames can give off a signal detected by comparators, based on the direction the present item is facing.
*Improved position handling.
Painting 		
*Improved position handling.
== Structures ==
=== New ===
Ocean Monument		Deep Oceans	No	
*Elder Guardian
*Guardian	
* Spawns Guardians in perimeter, and therefore can be farmed
* Loot includes gold
== Gameplay ==
=== New ===
Spectator Mode	
* It can only be accessed and reversed via , either using spectator, sp, or 3.
* It is the default gamemode on the debug world type.
* Like in creative mode, only the Void and can damage/kill a spectator.
* Their player model in the inventory is completely invisible.
=== Changed ===
Enchanting 	
* * Enchanting now costs from 1 to 3 pieces of lapis lazuli as well as XP.
** The XP cost is 1–3 levels – the same number as the lapis lazuli the player spend.
* The player still needs the same minimum total levels to unlock it.
* The actual enchantment calculations are the same.
* One and only one of the possible enchantments will be displayed in the tooltip.
* The enchantments the player would get on a specific kind of tool, will not change until the enchantment happens.
** This enchantment seed is stored per player.
* Leveling up takes longer.
* Level V enchantments can now appear on an item, without the use of an anvil.
* Looting now gives an extra 1% chance of getting rare loot per level.
Anvil repairing	
* Costs reduced to balance out with the new enchanting system.
* Renaming items costs only 1 level.
* Repairing cost now increases exponentially (1, 2, 4, 8...).
* Repairing costs can no longer be kept down by renaming items.
Trading 	
* Villagers of specific professions (colored clothes), can have distinct careers.
* Existing villagers keep already unlocked trades.
* Villagers start out with 2–4 trades unlocked.
* Trading gives experience to the player.
* The disabled trade arrow has a descriptive tooltip.
* Villagers of the same career will have the same trades, but they will differ in price/item amount.
Life Bar 	
* Has a new animation for damage, that shows how many hearts the player just lost.
Adventure mode 	
* Block mining and placement is impossible by default.
* Block hitboxes no longer appear in Adventure mode if interaction with the block is impossible.
* The CanDestroy NBT tag can be used to determine which blocks can be allowed to be broken with what tool (see above for usage).
* The CanPlace NBT tag determines which blocks can be placed on top what blocks (see above for usage).
Creative mode 	
* Players can create a copy of a block-entity in their hotbar, including all NBT data pressing +, or command on Mac.
* Players can damage entities, even if they are flagged as invulnerable.
Sprinting 	
* Sprinting while flying now affects movement speed.
Teleporting 	
* Is now smoother and seamless.
* Conserves the player's velocity and rotation by default.
* Is much more accurate than a single block.
Item tooltips 	
* Show the internal name for use in commands (+ mode).
Particles 	
* Can be summoned using the command.
* Changed the particle effect when landing on a block.
** Before, the particles were arranged in a circumference.
** It looks a lot more scattered, but it's still radial.
Player list 	
* Improved the health objective display on the player list.
* Will fall back to textual display if space is scarce, with colors (green/yellow/red) to show different health levels.
* Additional health will squash the display together to fit.
* Groups together teams.
* Sorts players alphabetically by name.
* Player list shows the faces of the skin of players.
== Achievements ==
=== New ===
== Enchantments ==
=== New ===
Enchantment 	Max Level	Applicable Items	Notes
Depth Strider	III 	 	
*Increases underwater movement speed.
== World types ==
=== New ===
Customized world type		
*Highly customizable terrain generation.
*There are 4 pages to customize the world.
**Page 1: customizes generation of structures, chance of lake generation, size of certain structures, biome type and size, and sea level.
**Page 2: customizes the ore distribution for dirt, gravel, granite, diorite, andesite, coal, iron, gold, redstone, diamond and lapis.
**Page 3 & 4: Expert customization of the terrain generation.	Customized on pages 1 and 2
Debug mode world type		
*Useful for resource pack makers. Hold and cycle through "World Type" option to select it.
*Other world options are not available.
*Only Spectator mode can be enabled upon spawn, but it can be reverted through commands once inside.
*All possible blocks with all possible data values (not IDs), are generated throughout a single plane.
*Every block state generates only once.
*Blocks may not be placed or destroyed.	None
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