Java Edition 14w07a

14w07a is the twelfth snapshot for Java Edition 1.8, released on February 14, 2014,^[1] which adds iron trapdoors and the /execute and /testforblocks commands.

Iron trapdoor

• Can only be opened and closed using redstone, similar to an iron door.
• Crafted by placing iron ingots in a 2×2 pattern, yields 1 iron trapdoor.

/execute

• Allows commands to be run from the position of specified entities using.
  • Example: /execute @e[type=Chicken] ~ ~ ~ fill ~-1 ~-1 ~-1 ~1 ~1 ~1 minecraft:glass.

/testforblocks

• Compares two areas of a world.
  • Example: /testforblocks 100 64 100 107 69 107 0 64 0 masked.

Scoreboard

• Scoreboard objectives for fake players with a name starting with # never show up on the sidebar.
• New /scoreboard subcommands: /scoreboard operation and /scoreboard test.
  • The operation subcommand can apply arithmetic operation to scores (+ – * / %) and accumulate player scores.
    • Example: /scoreboard players operation #teamscores redScore += @a[team=red] blueKills adds every red player's count of kills on blue to the red team's score of kills.
  • The test subcommand can be used to test if a scoreboard value is between a min and a max value.
    • Example: /scoreboard players test #global anObjective 12 19 checks whether the global score of the given objective is between 12 and 19, inclusive.
• Different teams can now have different objectives displayed in the sidebar.
  • Example: /scoreboard objectives set display sidebar.team.yellow objectiveName (referring to team color, not team name).
• Teams can now have settings on how the nametags are to be shown - /scoreboard teams option red nametagVisibility hideForOtherTeam. Also possible: hideForOwnTeam, never, always (default).

Target selectors

• New selector parameters for entity selectors to detect entity rotations with rxm – x rot min, rx – x rot max, rym – y rot min, ry – y rot max.
  • Example: @a[rxm=-15,rx=15,rym=-45,ry=45], /say @a[rxm=30,rx=90] , don't look down!.

General

• Updated the block model format.
  • Now less exploitable.
  • UV has to be [0,1] (Textures can no longer be "borrowed" from neighboring block textures).
  • Planes need to have 1 axis 'identical' (so aligned to either x, y, or z).
  • Plane rotation can only be -45/45 on a single axis.
  • From/to and uv coordinates are now in 'pixelspace' (multiples of 1/16th of a block).

Cocoa

• Invalid metadata versions now have no model.

Command blocks

• Now show the @e target selector variable.

Dispensers

• Can now place command blocks with pre-configured commands, rather than dispensing it

Ladders

• Invalid metadata versions now have no model.

End portal frames

• Invalid metadata versions now have no model.

Redstone torches, torches

• Now have an angled top side when placed on walls.

Blaze rods

• Are now held similarly to tools.

/testfor, /testforblock, /clear

• Can now test for partial matches of NBT lists.
  • Example: /testfor @p {Inventory:[{Slot:6b,id:"minecraft:diamond_sword"}],SelectedItemSlot:6}.

/tellraw

• Can now insert values from scoreboards into messages.
  • Example: /tellraw @p {text:"Have ",extra:[{score:{name:"Searge",objective:"reward"}},{text:" diamonds"}]}.

Creative mode

• Players can create a copy of a block entity in their hotbar, including all NBT data, with ctrl+pick block.

Spectator mode

• Players can now share LAN.

Debug screen

• Looking at a block in the world shows the coordinates of that block on the debug screen.
• BlockItem instances can now hold a custom tag that is merged into a block entity when it's placed.
  • Example: /give @p command_block 1 0 {BlockEntityTag:{Command:"setblock ~ ~ ~ minecraft:diamond_block"}}.

Inventory system

• Rewrote the inventory system.
  • Reverted before the full release of Java Edition 1.8.^[2]
• Fixes some bugs, improves performance and allows easier improvements.
• Allows custom NBT that isn't handled by the game to be added onto items.
  • Custom tags remain even if the item's NBT is changed in-game. (i.e. by renaming).

Resource packs

• Resource packs can now be bundled with a world, put it in the map save directory and name it "resources.zip".
  • Example: .minecraft/saves/TheMapWithTheThing/resources.zip.

33 issues fixed

From released versions before 1.8

• MC-1818 – Skullowner is lost when "picking" the skull in Creative.
• MC-4837 – Zombie/player held beacon experience Z-fighting.
• MC-7133 – Texture of burning furnace (ID62) shows no face in Inventory.
• MC-11270 – Scoreboard don't work with offline / non-existant players.
• MC-36947 – /weather clear <time in seconds> doesn't clear weather for anywhere near the amount given.
• MC-41594 – Game crashes when Ender crystal is stacked on top of horse.
• MC-44829 – Unable to load Twitch libraries.
• MC-46431 – Iron golem breaks lead.

From the 1.8 development versions

• MC-46696 – Too many flowers near lake .

From the previous development version

• MC-44489 – /kill @e doesn't kill ender dragons.
• MC-45106 – Mipmapping strength is not applied to non-standard blocks.
• MC-45571 – Farmer type villagers don't generate on superflat without grass.
• MC-45773 – Chest not spawning in monster dungeons.
• MC-46400 – Player arm invisible after using F5 in spectator mode and switching to creative.
• MC-46559 – Spectating a mob leaves the player at two blocks tall view.
• MC-46838 – /testfor NBT parsing error.
• MC-47212 – /testfor + inventory bug.
• MC-47520 – Standing under block with water/lava on top will apply blue/red filter.
• MC-47543 – Items stacked with items that have PickupDelay set to 32767 can no longer be picked up.
• MC-47545 – CanPlaceOn does not work with wooden doors.
• MC-47555 – Cannot place boats.
• MC-47596 – Items of the same type (IE, stone, and stone) ignore data values and stack anyway.
• MC-47598 – The color of sugar canes doesn't change depending on the biome.
• MC-47642 – Hopper: java.lang.ArrayIndexOutOfBoundsException: 4.
• MC-47653 – Torches causing missing texture when placed on bottom side of block.
• MC-47685 – Hopper: java.lang.ArrayIndexOutOfBoundsException: 3.
• MC-47796 – Leaves, grass, and tall grass all have a more brightly colored tint.
• MC-47817 – Baby zombie pigman running with strange speed.
• MC-47821 – Ghasts do not despawn in Peaceful mode
• MC-48043 – Held blaze rod not in hand.
• MC-48341 – Locking chests, furnaces, etc.
• MC-48357 – Cubic selectors return out-of-order (per-chunk?) results. (/kill).
• MC-48784 – Duplication of items using gravity.

• 14w07a was previously removed from the launcher for some time, but was added back in September 2018.