Java Edition 14w02a

14w02a is the first snapshot for 1.8, and the first snapshot released in 2014.

This version was previously removed from the launcher for some time, but was added back in September 2018.

Additions

 * Slime Block
 * Crafted with 9 Slimeballs, can also be crafted back into 9 Slimeballs
 * Players, mobs and particles that land on their top side will bounce, as if on a trampoline
 * Bounce rebound velocity is scaled by impact velocity
 * A bounce can be avoided by holding spacebar
 * Prevents fall damage
 * Walking on them is slower than walking on Soul Sand, about the speed of sneaking
 * Granite, Diorite and Andesite
 * Generates within Stone terrain below y=80, each in veins similar in size and abundance to Gravel or Dirt.
 * Diorite can be crafted with 2 Cobblestone and 2 Nether Quartz in a checker board pattern
 * Andesite can be crafted with 1 Cobblestone and 1 Diorite
 * Granite can be crafted with 1 Nether Quartz and 1 Diorite
 * Can be crafted, with 4 of the raw stone in a 2x2 configuration, into Polished Granite, Polished Diorite, and Polished Andesite, respectively
 * These 6 have the same data value, blast resistance, mining time, and other properties as Stone
 * Crafting Recipes for blocks previously only obtainable from generated structures
 * Mossy Stone Bricks, crafted using 1 Vine and 1 Stone Brick
 * Chiseled Stone Bricks, crafted using 2 Stone Brick Slabs on top of each other, similar to Chiseled Sandstone
 * An NBT tag that can lock containers
 * Mostly useful for (adventure) maps in adventure mode
 * NBT Tag in JSON format:, containers can be unlocked by clearing their string for Lock (changing it to  )
 * The lock can be cleared with the command
 * Locked containers can only be opened while holding an item renamed to the given string
 * Example: If the value of the Lock tag is "Key", a player will not be able to open the chest unless they are holding an item named Key
 * Item is not removed on use
 * Only works if the item has a custom name (default names will not work)
 * Example: a chest with the tag  cannot be opened when holding a diamond; the item held must be renamed Diamond
 * A new Splash
 * "That's Numberwang!"
 * A target selector that can select entities: 
 * Can specify type of entity by entity ID to either include or exclude with  or , example:
 * A new command: 
 * Usage:
 * Can amend and modify the NBT data of the block at specified coordinates

Changes

 * Enchanting''
 * Enchanting will now cost 1 to 3 levels of experience and lapis lazuli, depending on the tier
 * You still need the same minimum levels displayed on the enchantment table to enchant
 * The actual enchantment calculation is the same
 * One of the enchantments will be displayed in the tooltip
 * The enchantments you would get will not change until you enchant it, or enchant something else
 * This enchantment seed is stored per player
 * Anvils
 * The cost of experience is now reduced
 * Renaming items will now only cost 1 level, repairing will now start out with 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
 * Experience
 * Leveling up now takes more experience
 * Villager Trading
 * Offers will be less random and probably more useful
 * Existing villagers will not be affected
 * Trading now gives experience
 * Villager profession is now displayed in trade GUI
 * Villagers start out with 2-4 trades unlocked
 * The disabled trade arrow now has a descriptive tooltip
 * Trades are now unlocked more freely (No longer requires trading last trade)
 * There are now more villager professions (only notable trade changes and additions listed)
 * Villager Breeding
 * 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
 * Finding out a villager's willingness in survival is difficult: The only way to 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
 * Adventure Mode
 * Block interaction is now impossible by default
 * Block outlines do not show unless block can be interacted with
 * Added CanDestroy NBT tag for tools
 * Items with this tag display the names of the blocks that they can destroy in the item tooltip, example: to give a Diamond Shovel that can break grass and sand)
 * Wooden and Iron Doors
 * Doors can now stack to 64
 * Crafting recipe now gives 3 Doors
 * Boats
 * They now break (into sticks and wooden planks) when landing on a solid surface after falling more than 3 blocks
 * Food
 * Carrots restore 3 hunger points instead of 4
 * Baked Potatoes restore 5 hunger points instead of 6
 * Furnaces
 * When a furnace runs out of fuel, the smelting progress will pause instead of resetting
 * Will be changed in a later snapshot.
 * Baby Animals (sheep, pig, cow, chicken, cat, dog, horse)
 * All baby animal growth can now slowly be accelerated using the animal's breeding item
 * Baby animals make particles when right-clicked with the proper food
 * It appears holding the right mouse button speeds up the growth-acceleration process
 * They will randomly grow up instantly
 * Difficulty
 * Difficulties now save per world
 * Difficulty defaults to Normal instead of Easy
 * Can be locked in a specific difficulty per world
 * Locking cannot be undone
 * The difficulty may still be changed when locked by using 
 * Debug (F3) menu
 * Now shows which axis you are facing after the cardinal direction: "Towards positive/negative X/Z"
 * Teleporting
 * Relative teleporting is smoother and no longer brings players to a stop; it preserves their velocity from before the teleport
 * 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
 * Now has a target selector argument
 * Can kill entities (including players) other than player that ran the command
 * Can now be used by command blocks
 * Can be used to clear only a specific number of items and can be restricted to certain NBT data, example: will remove up to 34  villager spawn eggs named Michael from yourself; Note: Maximum removal item count does not work correctly (fixed in 14w02c)
 * Can now also check for dataTags, example:
 * No longer is exclusively usable in command blocks
 * 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:
 * Usernames
 * Some instances of usernames in the chat will now show the player's UUID when hovered on when debug tooltips are enabled
 * Other changes
 * Item ID format has changed from using numbers (for example, TNT's id is 46) to minecraft:item_name. (Example: minecraft:tnt)
 * Usernames
 * Some instances of usernames in the chat will now show the player's UUID when hovered on when debug tooltips are enabled
 * Other changes
 * Item ID format has changed from using numbers (for example, TNT's id is 46) to minecraft:item_name. (Example: minecraft:tnt)