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Additions

General

  • Splash
    • "That's Numberwang!"
    • "Ryan also has amazing hair!"
  • Difficulty
    • Difficulty is per world
      • No more global difficulty option
      • Prevents accidentally changing the difficulty when joining the world
    • Can be locked for each world
      • Prevents the temptation to change to an easier difficulty in difficult situations
      • Locking can not be undone without external editors
        • However, using the /difficulty command will still work
  • Shaders
    • New "creeper" shader
      • Is applied when using Spectate gamemode on a creeper
    • New "spider" shader
      • Is applied when using Spectate gamemode on a spider

Gameplay

  • Target selectors
    • @e
      • Targets entities
      • Can specify type of entity by entity ID to either include or exclude with [type=Chicken] or [type=!Skeleton]
      • Example: /kill @e[r=50,type=Chicken] - kills all chicken within a radius of 50 blocks
      • Example: /tp @e[r=5] ~ ~5 ~ (<x>|<destination>) - any entity within a radius of 5 blocks will be teleported five blocks in the air
  • Commands
    • /blockdata
      • Modifies NBT data at a specific coordinate. The <dataTag> merges with the block at that position
      • Can be used to change the contents of a chest
      • Usage: /blockdata <x> <y> <z> <dataTag>
    • /clone
      • Clones all the blocks (not entities) from a given area to a different given area
      • Up to 4096 blocks can be copied
      • The clone can be masked or replace - replace will copy every block, masked will only copy non-air blocks
      • Usage: /clone <x1> <y1> <z1> <x2> <y2> <z2> <x> <y> <z> [mode]
      • Example: /clone 1001 3 1002 1011 3 992 1001 5 992 masked
    • /fill
      • Fills a given volume with a specified block
      • Up to 4096 blocks can be filled
      • oldBlockHandling works like with /setblock, but with additional options: hollow to only fill the outer layer of blocks and fill the inner part with air, outline to fill the outer layer of blocks and ignore the inner part
      • Works similarly to /setblock
      • Usage: /fill <x1> <y1> <z1> <x2> <y2> <z2> <TileName> [dataValue] [oldBlockHandling] <dataTag>
      • Example: /fill 1001 3 1002 1011 5 992 wool 6 replace
      • Can filter certain blocks
        • Only if it’s used to fill in replace mode with “normal” blocks.
        • It does not work when filling with block entities.
        • Syntax: /fill [x] [y] [z] [x] [y] [z] [BlockName] [Data] replace [filterBlockName] [filterData]
    • /particle
      • Spawns particles in a given area
        • It can also be relative to entities.
      • Usage: /particle <name> <x> <y> <z> <xd> <yd> <zd> <speed> [count] [player:entity]
      • Example: /particle lava ~ ~1 ~ 1 1 1 0.5 2 @e[type=Chicken]
      • List of particles: hugeexplosion, largeexplode, fireworksSpark, bubble, suspended, depthsuspend, townaura, crit, magicCrit, smoke, mobSpell, mobSpellAmbient, spell, instantSpell, witchMagic, note, portal, enchantmenttable, explode, flame, lava, footstep, splash, wake, largesmoke, cloud, reddust, snowballpoof, dripWater, dripLava, snowshovel, slime, heart, angryVillager, happyVillager, iconcrack_(ID), tilecrack_(ID).
  • NBT Tags
    • {CanDestroy}[2]
      • Mostly for use in adventure mode
      • Items with this tag display the names of the blocks that they can destroy in the item tooltip
      • Example: /give @p minecraft:diamond_shovel 1 0 {CanDestroy:["minecraft:sand","minecraft:grass"]} to give a diamond shovel that can break grass and sand)
    • {Lock:"Secret"}
      • A way to lock containers from being opened using NBT tags
      • Mostly useful for adventure maps in adventure mode
      • Containers can be unlocked by clearing their string for Lock
      • Locked containers can only be opened while holding anything renamed to the given string, item is not removed on use[3]
      • The lock can be completely removed utilizing the command /blockdata
  • Gamerule
    • logAdminCommands
      • Prevents command block output from being stored in chat logs. In multiplayer, also prevents player-initiated commands from being stored. Unrelated to commandBlockOutput, which is output into the visible chat.
  • Gamemode
    • Spectator Game Mode
      • Usage: /gamemode spectator, /gamemode sp or /gamemode 3
      • As a Spectator, a player:
        • Cannot be seen by anybody but other spectators
        • Does not affect mob spawning, and is not noticed by mobs
        • Can see invisible players or mobs as translucent
        • Can view inventories/etc, but not modify them
        • Can click on entities to take their camera
          • Clicking on a creeper will apply the creeper.json shader
          • Endermen vision is inverted
          • Spider vision is segmented
        • Scroll wheel increases/decreases speed.
        • Cannot use items, place blocks, destroy blocks or interact with blocks in any way
        • Can go through any entity or block without interfering with it (commonly known as 'noclip')
        • Is always flying, and cannot take damage including fall damage
      • Not 100% finished

World Generation

  • Underground
    • Granite, andesite and diorite generate in pockets within stone terrain
      • Similar size and abundance to dirt and gravel

Blocks and Items

  • Diorite
    • Crafting recipe: 2 cobblestone and 2 Nether quartz in a checker board pattern
    • Can be crafted into polished diorite
  • Andesite
    • Crafting recipe: 1 cobblestone and 1 diorite
    • Can be crafted into polished andesite
  • Granite
    • Crafting recipe: 1 Nether quartz and 1 diorite
    • Can be crafted into polished granite
  • Polished Diorite
    • Crafting recipe: 4 diorite in a 2x2 configuration
  • Polished Andesite
    • Crafting recipe: 4 andesite in a 2x2 configuration
  • Polished Granite
    • Crafting recipe: 4 granite in a 2x2 configuration
  • Slime Block
    • Players and mobs that land on their top side will bounce, like on a trampoline
      • Bounce rebound velocity is scaled by impact velocity, can reach up to 60%
      • Currently does not affect item entities
    • Prevents fall damage
    • Walking on it is slower than walking on Soulsand, close to one's speed whilst sneaking
    • Crafting recipe: 9 slime balls
      • Can be crafted back into 9 slime balls
  • Barrier
    • Acts like a full block but is completely transparent.
    • Invincible like Bedrock.
    • Can be obtained using /give @p barrier.
    • Uses Flowing Lava for breaking particles.

Changes

General

  • Skin
    • Right and left arms and legs are now editable independently
    • Uses a steve.png file with new layout and new dimensions
      • Dimensions for the file are now 64x64
    • Overlay now includes the whole body
      • Overlays are called hat, jacket, sleeves and pants legs
    • New "Skin Customization" button in the options menu
      • Cape visibility is now toggled from here
      • You can toggle the visibility of overlays, independent for each limb/body part
    • Skins and capes are now distributed through servers
      • Skins server outages will occur less frequently and have less impact[4][5]
      • Skin changes will no longer require client restarting, at worst re-logging will update the skin for everybody
      • Server-altered skins/capes are not possible - only signed URLs are stored server-side
      • Duplicate skins no longer need to be downloaded twice
      • Server traffic will barely be affected
    • Backward-compatible
  • F3 debug screen
    • A lot more comprehensive
      • A lot of useless numbers and stats removed/replaced
    • Now has a shady background
    • Now shows which axis you are facing after the cardinal direction - "Towards positive/negative X/Z"
    • The crosshair will display 3 short colored lines to indicate the direction of each axis: x/red, y/green, z/blue
  • Block IDs
    • NBT data in commands can now use block/item names in place of numerical ids
    • Old ids still work, but are being phased out slowly
    • Other occurences of blocks/items now need to be named ids
  • Chat
    • Improved chat communication
    • Messages are now either chat, system or action bar messages
    • Action bar messages are always shown, chat and system messages are only shown if chat settings are configured that way
    • Some instances of usernames in the chat will now show the player's UUID when hovered on when debug tooltips are enabled
  • Performance
    • All dimensions are now stored differently, increasing performance
  • Rendering
    • Only transparent blocks will now render as transparent (eliminates the use of x-ray texture packs)
  • Minecraft Realms
    • Minecraft Realms button only shows if any Realms you own / are invited to are the same version you are playing (If all Realms are outdated, the button hides itself.)

Gameplay

  • Enchanting
    • Enchanting will now cost 1 to 3 levels, but you still need the same minimum total levels
      • For example, an enchantment may only become available for enchanting after reaching 13 levels of experience, but will only cost 2 XP levels and 2 of a resource.
    • Additionally, there is now a material cost - enchanting also costs 1 to 3 pieces of lapis lazuli now
    • The actual enchantment calculation is the same
    • One of the enchantments will be displayed in the tooltip
    • The enchantments you would get on a tool will not change until you enchant something - this enchantment seed is stored per player
    • Leveling up now takes longer
    • Level V enchants 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
  • Villager Trading
    • Rebalanced villager trades, see Trading.
      • Offers will be less random and probably more useful
      • Villagers start out with 2-4 trades unlocked
      • Trades are now unlocked more freely
        • Trading any offer will unlock up to 3 new trades or reactivate old ones
      • Existing villagers will not be affected
    • Trading now gives experience
    • There are now more villager professions
      • White robe: Librarian
      • Purple robe: Cleric
      • Brown robe: Fisherman, Farmer, Fletcher, Shepherd
      • White apron: Butcher, Leatherworker
      • Black apron: Armorer, Tool Smith, Weapon Smith
      • Villager profession is now displayed in trade GUI
    • The disabled trade arrow now appears without closing and reopening the trading GUI, and now has a descriptive tooltip
  • Anvil repairing
    • Costs reduced to balance out with the new enchanting system
    • Renaming items will now only cost 1 level
    • Repairing will costs from 2 to 5 levels and tools can be repaired longer and with better enchantments
    • Repairing costs can no longer be kept down by renaming items
  • Adventure mode
    • Block hitboxes no longer appear in Adventure mode if interaction with the block is impossible
    • Block interaction is now impossible by default
    • The CanDestroy NBT tag can be used to determine which blocks can be allowed to be broken (see above for usage)
  • Commands
    • /say
      • Now lists all entity using @e.
      • Example: /say will list all the entity's in your world within a 500 block radius.
    • /clear
      • Can now be used to clear only a specific number of items and can be restricted to certain NBT data
      • Example: /clear @p 383 120 34 {display:{Name:Michael}} will remove up to 34 villager spawn eggs named Michael from yourself
    • /kill
      • Can now be followed by an @e entity parameter
      • Example: /kill @e[type=!Player]
    • /testfor
      • Can now also check for dataTags
      • Example: /testfor @p {foodLevel:20}
      • No longer is exclusively usable in command blocks
    • /tp
      • Now supports rotation arguments
      • Example: /tp @p ~ ~ ~ ~20 ~40 (<x>|<destination>) teleports the player so that he faces 20 degrees to the right and 40 degrees downwards
    • /tellraw
      • A new tag called "insertion" allows text to be inserted into the chat that, when shift-clicked, will insert more text into the players' chat input
      • Example: /tellraw @a {text:"CLICK",insertion:"This is a test"}
  • Target Selectors
    • Now supports cubic areas
      • Example: @e[x=0,y=0,z=0,dx=10,dy=10,dz=10] gets all entities between 0,0,0 and 10,10,10
    • New radius value usable in target selectors, based on the block centre
      • A radius of 0 works for exact block positions
  • Teleporting
    • Relative teleporting is smoother and no longer brings players to a stop; it preserves their velocity from before the teleport
  • Item tooltips
    • Now show the internal name for use in commands (F3+H mode)
  • Village mechanics
    • Doors are now added to the closest village
    • This will not break iron farms, but change them a little, enough to make them "practically pointless"[6]

World Generation

  • Villages
    • Gravel roads in villages have cobblestone underneath, to prevent them from collapsing into caves
  • Desert Temples
    • Now spawn with stained clay rather than wool

Blocks and Items

  • Chiseled Stone Bricks
  • Moss Stone
  • Mossy Stone Bricks
  • Doors
    • Stackable up to 64
    • The crafting recipe for doors now gives 3 doors instead of one
  • Furnaces
    • When a furnace runs out of fuel, the smelting progress will pause instead of resetting
  • Carrots
    • Restore 3 hunger points instead of 4
  • Baked Potatoes
    • Restore 5 hunger points instead of 6
  • Mob heads
    • Player heads now show the skin's hat layer
  • Buttons
    • Can now be placed on ceiling and on the ground
  • Redstone Comparators
    • Can now detect what way an item frame is rotated
  • Item Frames
    • Items in item frames can now face eight different directions
    • As long as the frame remains placed, it remembers the orientation of the last item it held, and uses it for the next item it holds
    • Item frames can give off a signal detected by comparators, based on the direction the item is facing
      • Signal strength is as follows: 0: empty; 1: item; 2: item rotated once; 3: item rotated twice; ...; 8: item rotated 7 times
  • Dispensers
    • Can now 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
  • Dead Bushes & Saplings
    • Are now flammable
  • Written Books
    • Changes when copied
    • Is "original", "copy of original", or a "copy of a copy"
    • Copies of a copy cannot be copied
  • Activator Rails
    • When powered, they will eject any entity inside if a regular Minecart goes over it

Mobs

  • Villagers
    • When struck by lightning, villagers turn into witches
    • Villagers will now 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 the villager will become willing
      • 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 difficult: The only tell is the amount of xp they give when trading; Normal trading yields 3-6 experience points, trading and making a villager willing yields 8-11 experience points
    • Changes to villager AI
      • Villagers will now harvest, collect and replant grown potatoes, wheat and carrots
      • Villagers will craft wheat into bread
      • Villagers will share food with fellow villagers
  • Baby animals (sheep, pig, cow, chicken, cat, dog, horse)
    • Baby animal growth can now slowly be accelerated using the animal's breeding item
    • It appears holding the right mouse button speeds up this process
  • Iron Golems
    • Have much greater natural spawn rates in villages
    • Now attack the player as soon as he is attacking the golem in survival

Fixes

  • 1253 – Ladder, Sign, Fence, Gate, Trapdoor causes block it is placed in to darken
  • 2367 – Players can place and remove arbitrary blocks in Adventure mode, breaking pre-1.4.2 maps
  • 2399 – Transparent blocks raise the light level of the block they're in visually by one
  • 2789 – Unbreakable blocks in adventure mode: Hay Block, TNT, Silverfish, Piston, Cactus, Bed, Fire, Sponge
  • 3066 – Adventure Mode breaking transparent blocks
  • 3583 – java.lang.NullPointerException: Exception ticking world (at ml.c(SourceFile:199)) (Corrupted Nether chunks)
  • 5506 – Villagers offer Enchanted Book trades you can't possibly do
  • 8662 – Items are not centred correctly within frames
  • 9582 – Whole-word selection behaves erratically in chat
  • 9787 – The game crashes when trading with villagers
  • 10046 – Random destination routine has a small statistical tendency to move more north west (fix included)
  • 11207 – Clicking hotbar hotkey (1-9) to move a stack of items / blocks to enchanting table deletes all but one of a stack
  • 14861 – Teleporting using commands resets the velocity
  • 16457 – Pumpkin texture flips when made into snowman
  • 17156 – "Give" Command throws ArrayIndexOutOfBoundsException on high Item ID values
  • 17624 – Breaking stairs graphical glitch
  • 18284 – New AI mobs see through invisibility
  • 18984 – Dead bushes and Saplings do not burn
  • 24336 – Withers are harmed by the explosions of their Wither Skulls
  • 25370 – Mouse is centered when going to previous menu with ESC
  • 29588 – Hopper: java.lang.NullPointerException - Invalid Biome id
  • 30135 – Hopper: java.lang.NullPointerException: Getting biome
  • 30995 – /setblock replace doesn't replace same block with different tile entity / NBT data
  • 31203 – Furnace Progress Remains After Changing Ingredient
  • 32301 – Lava fizz sound plays whenever a flowing lava block destroys an air block
  • 33071 – "Data tag parsing failed: Unbalanced quotation" when parsing strings with semicolons.
  • 36494 – /setworldspawn does not update compass
  • 36847 – No Colon after Game Mode in World Options
  • 37075 – Hopper: java.lang.NullPointerException: Exception generating new chunk
  • 37355 – server-icon.png alpha channel display
  • 38637 – Maps framed on east or west sides of blocks are darker than north or south sides
  • 39228 – Zombies kill villagers instead of transform them (HARD difficulty)
  • 40420 – MAJOR texture/rendering glitch
  • 42174 – Chicken Jockeys causing lag on Multiplayer servers
  • 42475 – Not able to pick up item if given to a dead player
  • 44881 – Command Block Custom Radius
  • 45254 – Bold text is not correctly (right/center) aligned (invalid string length)


References

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