Java Edition 13w36a

13w36a is the first snapshot released for Java Edition 1.7.2.

Blocks

 * Fern
 * New large fern varient
 * Can be created by applying bone meal to a fern.


 * Flowers
 * General
 * New two block tall variants.
 * Applying bone meal to them causes them to dispense a flower item that can be collected.
 * All two-block-tall flowers are renewable.
 * Allium
 * Can be crafted to magenta dye.
 * Azure Bluet
 * Can be crafted to light gray dye.
 * Blue Orchid
 * Can be crafted to light blue dye.
 * Lilac
 * Can be crafted into 2 magenta dye.
 * Oxeye Daisy
 * Can be crafted to light gray dye.
 * Peony
 * Can be crafted into 2 pink dye.
 * Poppy
 * Replaced the rose flower.
 * Iron golems now drop poppies instead of roses.
 * Rose Bush
 * Can be crafted into 2 red dye.
 * Sunflower
 * Faces east.
 * Can be grown, unlike poppies and dandelions.
 * Can be crafted into 2 yellow dye.
 * Tulips
 * Comes into red, orange, white, and pink varieties.
 * Can be crafted to red, orange, light gray, and pink dyes, respectively.


 * Grass variants
 * Double tall grass.
 * Can be created by applying bone meal to tall grass.


 * Grassless dirt
 * Grass cannot grow on it.
 * Only obtainable using.
 * Block ID is 3:1.


 * Monster egg variants
 * Mossy stone brick monster eggs, cracked stone brick monster eggs, and chiseled stone brick monster eggs.
 * Have the same appearance as their stone brick variants.


 * Packed Ice
 * When broken, does not turn to water like ice does.
 * Does not melt.
 * Opaque, rather than translucent like normal ice.
 * Torches and redstone can be placed on it.


 * Podzol
 * New dirt variant.
 * Grass is unable to spread on it.
 * Can be harvested using tools enchanted with Silk Touch.
 * Only found in mega taiga biomes.

Items

 * Clownfish
 * Restores when eaten.


 * Cooked Salmon
 * Obtained from cooking raw salmon in a furnace.
 * Restores when eaten.


 * Enchanted books
 * Multiple enchantments on a book, when combined with a tool using an Anvil, give enchantments according to the tool.


 * Pufferfish
 * If eaten, will inflict the player with the Hunger, Nausea, and Poison status effects.
 * Used to brew a potion of Water Breathing.


 * Raw Salmon
 * Restores when eaten.
 * Can be cooked in a furnace to get cooked salmon.

Mobs

 * Skeletons and Zombies
 * Now Spawn with and drop armor, bows, and swords enchanted with the Unbreaking Enchantment.

World generation

 * Biomes


 * Birch forest
 * A forest made of birch trees.
 * Cold beach
 * A variant of normal beaches which generates when a snowy biome borders an ocean.
 * Deep ocean
 * An ocean biome variant, about twice as deep as it.
 * Can reach a maximum depth of the Y-coordinate in the low 20s.
 * The floor is covered with gravel.
 * Extreme hills+
 * A variant of extreme hills which contains spruce trees.
 * Flower forest
 * A variant of forest biomes.
 * Contains every flower in the game, except for sunflowers and blue orchids.
 * Gravel beaches
 * Consists primarily of gravel.
 * Ice plains spikes
 * Contains giant spikes made of packed ice, shaped similarly to upside down icicles.
 * Mega taiga
 * Contains 2×2 spruce trees,
 * Much of what is typically grass blocks in most biomes is replaced by podzol.
 * Contains grassless dirt.
 * Contains scattered "boulders" made up of moss stone.
 * Allows the generation of dead bushes, mushrooms, and ferns.
 * Mesa
 * Composed primarily of hardened clay in multiple colors and red sand.
 * Generates dead bushes.
 * Roofed forest
 * Has dark grass, giant mushrooms, and 2x2 dark oak trees.
 * Has extremely dense trees and leaves, sometimes dark enough for monsters to spawn during the daytime.
 * This is the first biome aside from the mushroom island that naturally spawns with huge mushrooms.
 * Savanna
 * Generates curved acacia trees.
 * Savannas are one of the two biomes where horses now spawn naturally, the other being plains.
 * NPC Villages may generate in savanna biomes.
 * Stone beach
 * Consists primarily of stone.
 * Composed of hills which are steep but not completely vertical.
 * Sunflower plains
 * Exactly the same as plains, but with the ability to spawn sunflowers.
 * Taiga
 * A non-snowy taiga variant.
 * The old taiga biome is now called cold taiga.


 * Biome variants
 * Hill biomes
 * More hills variants to fit with the new biomes.
 * Birch forest hills, cold taiga hills, and mega taiga hills can now be generated.
 * M biomes
 * Variants of other biomes with an "M" added to the end of them.
 * Much rarer than their normal biome or any of its other variants.
 * Extreme hills M, taiga M, roofed forest M, extreme hills+ M, savanna M, mesa plateau M, and mesa plateau F M are more mountainous versions of their normal biome.
 * Swampland M, jungle M, jungle edge M, birch forest hills M, cold taiga M, and savanna plateau M are other rare biome variants.
 * Desert M contains patches of water, unlike normal deserts.
 * Birch forest M has taller birch trees than usual.
 * Plateau biomes
 * Variants of other biomes with "Plateau" added to the end of them. All of them are like their normal biome or its variants, but flattened at the top.
 * The only plateaus in the game are savanna plateau and mesa plateau.


 * World type
 * AMPLIFIED
 * Requires a powerful computer to run well.
 * Mountains in this world type can reach up to Y = 256.


 * Miscellaneous
 * Whether snow will generate or not now depends on altitude, with noise variation.
 * Biome dependent.

Gameplay

 * Enchanting
 * New enchantments for fishing rods that change the player's luck of catching an item when fishing.
 * Lure - increases chance of catching fish.
 * Luck of the Sea - increases chance of getting treasure.

Command format

 * Used to spawn entities.
 * Usage:.
 * Usage:.

General

 * Particle effects
 * Fishing now has many different particle effects.
 * Bubbles will show up moving towards the player's bobber just before the player has something on their hook.
 * Has the appearance of a fish swimming towards the hook.
 * Falling now has particle effects.
 * Particle size depends on distance fallen.

Blocks

 * Command blocks
 * Now show what command it ran recently.


 * Dead bushes
 * Can now be placed on Hardened clay and Stained clay.


 * Ferns
 * Ferns and large ferns display their coloring from foliage.png.
 * Flowers
 * Are now flammable.
 * Cannot be placed dead center on a block, but have certain variations in which they are placed.


 * Grass
 * Grass and double tall grass display their coloring from foliage.png.


 * Item frames
 * Now drops the item inside them when punched, then drops themselves if they are punched when empty.
 * Will display the name of the item they hold (if it is custom named) when looked at up close.


 * Melons
 * Now generate in Jungles.


 * Sugar cane
 * Changes color depending on biome.
 * Texture is unchanged, adding biome color makes it appear different.


 * Weighted pressure plates
 * Now output a signal relative to the number of entities on them, always starting at 1 signal strength if any entities are present.
 * For Light Weighted Pressure Plates, every entity adds 1 strength to the signal.
 * For Heavy Weighted Pressure Plates, starting at 1, every 10 entities adds 1 strength to the signal.
 * Example: 11 entities increases signal strength to 2.


 * Written Books
 * Can now be cloned the same way maps can, but by using Book and Quills instead of Empty Maps.
 * Can clone multiple copies of the same book by putting more Book and Quills in the crafting grid.

Items

 * Flint and steel
 * Now a shapeless recipe.

Mobs

 * Creepers
 * Can now be manually exploded after igniting the mob with a flint and steel.

World generation

 * Biomes
 * Are now put into four main categories.
 * Snow-covered
 * Cold
 * Medium
 * Dry/Warm
 * Biomes will attempt to avoid getting placed next to a biome that is too different to itself.

Extreme Hills
 * Generation tends to include more flat areas, and more extreme mountainous regions.
 * Stone is generated more frequently than in the previous versions, even outside of Extreme Hills+ biomes.

Oceans
 * Are now smaller and take up much less of the map.

Rivers
 * Now have gravel patches.

Swampland
 * Grass is greener and fluctuates more in color, depending on biome temperature.
 * In shallower parts, the coast is covered in staggered dirt blocks.


 * Taiga
 * Taiga biomes no longer receive snowfall below y=120.

Gameplay

 * Fishing
 * Changes to the mechanics to make it better.
 * More rewards: treasure and junk.
 * Treasure: 6 items total, including enchanted fishing rods, enchanted bow, enchanted books, name tags, lily pads, saddles
 * Junk: 13 items total, including damaged fishing rods, Water Bottles, rotten flesh, string, leather, bowls, sticks, bones, tripwire hooks, ten stacked Ink Sacs, or damaged leather boots.


 * Fog
 * Increased fog distance.

Command format

 * Commands


 * Can now give items to players with custom names and lore.
 * It can also give enchanted items.
 * Example: /give    {display:{Name:"",Lore:["",""]},ench:[0:{id: ,lvl: }]}.
 * It can also give items to players with custom NBT tags, such as SkullOwner to obtain the Head of a specific player.
 * This removes the necessity to use an NBT editing program to obtain these items.
 * Attribute modifiers have been added to the /give command (not completely investigated as of yet).
 * Example: To give a diamond sword with +50 Attack Damage to the nearest player, use the command /give @p 276 1 0 {AttributeModifiers:[0:{AttributeName:"generic.attackDamage",Name:"generic.attackDamage",Amount:50,Operation:0,UUIDLeast:894654,UUIDMost:2872}]}.
 * This enables the possibility of additional attributes to items using commands without the use of an NBT editing program.


 * Now sets the time to 1000 instead of 0.


 * Scoreboard
 * Can now use statistics to create objectives; anything that statistics can track can be used as an objective.
 * Can also track achievements.
 * This is the reason why statistics/achievements were changed to be stored per world/server.

General

 * Achievements
 * Rewrite of the achievement system.
 * Are now per world/server
 * Added 744 new objective criteria
 * New achievements: Repopulation, Adventuring Time, The Beginning?, The Beginning., and Beaconator.
 * Achievements screen can now be zoomed in and out using the mouse wheel.
 * Achievements don't appear on the achievements screen if more than five achievements need to be achieved first.
 * Example: "DIAMONDS!" doesn't appear until "Getting Wood" is achieved.


 * Controls
 * Rewrote Key Config.
 * Function and sprint keys can be changed.
 * By default, sprinting can be activated by holding down the left control key.
 * In Creative mode, this can also be done while flying.
 * The original sprinting controls (double-tap forward or double-tap backward while holding down forward) still function.
 * Smooth mouse, formerly available by pressing F8, will now use F4 by default.


 * Inventory
 * The display item for the Decoration Blocks tab in the Creative mode inventory is the Peony.
 * Changed from the old Rose flower.


 * Lighting
 * A lot fewer "black spots" appear in the terrain generator.
 * Torch bugs in strongholds and mineshafts have been fixed.


 * Options
 * Rewrite of several option screens.
 * A completely new options menu.
 * A new "Select Resource Pack" menu.


 * Resource packs
 * The ability to select multiple resource packs at once.
 * Resource packs at the top take precedence over those below.
 * Allows for non-manual merging of textures from multiple packs, a sound pack, and a different texture pack, etc.


 * Statistics
 * New statistics: Distance by Horse, Junk Fished, and Treasure Fished.
 * Rewrite of the system.
 * Now ties in with the scoreboard system.
 * Added 744 new objective criteria that were previously tracked with statistics and achievements.
 * Are now per world/server
 * Data for a block, item, or mob doesn't appear in their respective tab in the Statistics screen unless the player has crafted/placed/mined that block, crafted/used/depleted that item, or killed/was killed by that mob.


 * Sounds
 * The volume of in-game music, Jukebox and Note Block music, hostile mobs, passive mobs, players, weather, blocks/environment, and the master volume can now all be modified separately.

Reupload
13w36a was reuploaded on September 6, 2013, which fixed the following bugs:


 * Fixed "weird language selection".
 * Fixed the names of grass blocks and dirt.
 * Attempted to fix a bug with mesa biomes, but the fix did not work.

Trivia

 * Until 15w31a, 13w36a held the record as having the most content added to the game in one developmental release, with as much new content in it as the full release of the Pretty Scary Update had.
 * 13w36a was previously removed from the launcher for some time, but was added back in September 2018.