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Minecraft:Java Edition 1.13

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Template:Log4j vulnerability Template:Infobox version Template:Relevant guide

1.13, the release of the Minecraft:Update Aquatic,<ref>Template:Mcnet</ref> is a major update to Template:JE released on July 18, 2018. It focused mainly on ocean content and technical features.<ref name="customcrafting">Template:Tweet</ref><ref>Template:Tweet</ref> Specifically, new blocks, such as Minecraft:blue ice, Minecraft:coral, Minecraft:conduits, Minecraft:kelp, Minecraft:sea pickles, Minecraft:stripped logs, Minecraft:wood, and Minecraft:turtle eggs were added, as well as new items such as buried treasure Minecraft:explorer maps, Minecraft:debug sticks, Minecraft:buckets of fish, Minecraft:hearts of the sea, Minecraft:phantom membranes, Minecraft:tridents, and much more. Also, Minecraft:water is more transparent than before and the color was changed to match specific biomes, while it was only dark blue before 1.13. In addition, Minecraft:dolphins, Minecraft:drowned, Minecraft:fish mobs, Minecraft:phantoms, and Minecraft:turtles were added, as well as new biomes, a new Minecraft:buffet world type (a stopgap replacement for the customized world type), and new generated structures. This update also added many commands and changed the format of existing commands, and added many new technical aspects, such as Minecraft:data packs and Minecraft:tags. Due to the update's vast technical changes such as world generation, the update severely degraded the performance of Template:JE.

This update was originally intended to be released as two separate updates with 1.13, originally named Technically Updated, having the technical changes, and 1.14, originally to be called the Update Aquatic, having all the ocean features, however they were combined into one big update,<ref name=merge/> and as such snapshots from Minecraft:17w43a to Minecraft:18w06a mainly just added or modified commands.

The update was originally revealed during the Minecraft:MINECON Earth 2017 livestream on November 18, 2017.<ref name="Aquatic">Template:Ytl, November 18, 2017</ref> Initially, 1.13 was scheduled to be released on May 30, 2018.<ref>Template:Tweet</ref> However, the release was pushed back to July 18, 2018 to fix critical bugs. This is the first version released in 2018.

Additions

Template:Additions table

Blocks

File:Air (shown) JE2.png Minecraft:Air variants

  • cave_air and void_air.
    • Both have the exact same properties as air.
    • cave_air is generated in caves.
    • void_air is used internally for blocks above (>255) and below (<0) the world, and in unloaded chunks.

File:Carved Pumpkin (S) JE2.png Minecraft:Carved pumpkins

Template:Animate Minecraft:Buttons, Minecraft:pressure plates and Minecraft:trapdoors

  • Now have separate textures for all 6 types of wood.

Template:Crafting Table Template:Crafting Table Template:Crafting Table

Template:Animate Minecraft:Stripped logs

File:Bubble Column JE1 BE1.png Minecraft:Bubble columns

  • Created by Minecraft:magma blocks or Minecraft:soul sand in water as far up as all blocks are water sources.
    • Magma block columns pull entities down: they stop items from floating up in water and sink boats.
    • Soul sand columns push entities up.

File:Seagrass (item) JE2.png Minecraft:Seagrass

  • Like regular grass, seagrass also comes in a tall variant.
  • Has animated textures.
  • Generates in oceans (including underwater caves), rivers, and swamplands.
  • Can additionally be generated when Template:Control Minecraft:bone meal on any block underwater.
  • Drops from Minecraft:turtles when killed.

File:Kelp JE3 BE2.gif Minecraft:Kelp

  • Can only be placed underwater, requiring at least one water block above it.
    • Can be placed on dry land by using the Template:Cmd command.
  • Generate in Minecraft:ocean biomes, except warm oceans.
  • Can grow multiple blocks high.
  • Has animated textures.
  • Can be smelted into dry kelp.

File:Dried Kelp Block JE1 BE2.png Minecraft:Dried kelp blocks

  • Can be used as fuel in a furnace
    • Smelts 20 items.
  • Crafted from Minecraft:dried kelp, and can also be crafted back into dried kelp.

Template:Crafting Table

Template:Animate Prismarine Minecraft:stairs and Minecraft:slabs

  • Both come in all 3 variants: prismarine, dark prismarine, and prismarine bricks.
  • Stairs can be crafted with 6 of their respective material.
  • Slabs can be crafted with 3 of their respective material.

Template:Crafting Table Template:Crafting Table

Template:Animate Minecraft:Turtle eggs

Template:Animate Minecraft:Coral blocks

  • Comes in the same 5 variants as coral: tube (blue), brain (pink), bubble (purple), fire (red), horn (yellow).
  • Must be mined with a Silk Touch tool in order to drop itself, otherwise they drop a dead coral block.
    • Each variant has a dead (gray) counterpart.
    • Turns into a dead coral block if none of its six sides are touching water, although not instantly.
  • Like coral, it naturally generates in Minecraft:coral reefs.

Template:Animate Minecraft:Dead coral blocks

  • Comes in the same 5 variants as coral: tube, brain, bubble, fire, horn.
  • Obtained when mining a coral block without a Silk Touch tool, or when none of the six sides of a coral block are touching the water.
  • Cannot be turned back into coral.

Template:Animate Minecraft:Coral

  • Comes in 5 different variants, each with a different type: tube (blue), brain (pink), bubble (purple), fire (red), horn (yellow).
  • Can only be placed underwater.
  • Naturally generates in Minecraft:coral reefs.
  • Can only be obtained with a tool enchanted with Minecraft:Silk Touch.

File:Shulker Box.png Minecraft:Shulker boxes

  • Added a non-dyed shulker box (purple).

Template:Crafting Table

Template:Animate Minecraft:Coral fans

  • Comes in the same 5 variants as coral: tube (blue), brain (pink), bubble (purple), fire (red), horn (yellow).
  • Can be placed underwater on the sides and tops of blocks.
  • Can be placed in air.
    • Turns into dead coral fans after a short moment if this is the case.
  • Naturally generates on the sides of Minecraft:coral blocks in Minecraft:coral reefs.
  • Can only be obtained with a tool enchanted with Minecraft:Silk Touch.

Template:Animate Minecraft:Sea pickles

File:Blue Ice JE1.png Minecraft:Blue ice

Template:Crafting Table

File:Conduit JE1 BE1.png Minecraft:Conduits

  • Crafted using 1 Minecraft:heart of the sea and 8 Minecraft:nautilus shells.
  • Can be activated by placing Minecraft:prismarine, dark prismarine, prismarine bricks, and/or Minecraft:sea lanterns in 5×5 open squares around it.
    • When active, affects nearby players in water with the Minecraft:Conduit Power status effect.
      • Conduit Power stops the breath meter from running out, gives underwater night vision and increases mining speed.
  • A complete structure fully powers the conduit.
    • When active at full power, the range increases and hostile mobs within 8 blocks take damage.
      • The eye of the Minecraft:conduit shows whether it's hunting for hostile mobs or not: it shows an open eye when it's looking out for hostile mobs, and a closed eye otherwise.
  • Emits a strong glow, at light level 15.

Template:Crafting Table

Template:Animate Minecraft:Stripped wood

Template:Crafting Table

Template:Animate Minecraft:Dead coral fans

  • Comes in the same 5 variants as coral: tube, brain, bubble, fire, horn.
  • Coral fans turn into them when placed out of water.
  • Can only be obtained with a tool enchanted with Minecraft:Silk Touch.

Items

File:Debug Stick.gif Minecraft:Debug sticks

  • A technical item used to cycle between different block states.
    • Left clicking cycles through states; right clicking cycles through values. Shift clicking cycles through the states or values in reverse order.

File:Trident (item).png Minecraft:Trident

File:Kelp (item) JE1 BE2.png Minecraft:Kelp

  • Can be used to place a kelp plant underwater.
  • Can be dried in a furnace to create dried kelp.

File:Dried Kelp JE1 BE2.png Minecraft:Dried kelp

  • Obtained from smelting Minecraft:kelp.
  • Can be eaten, restoring Template:Hunger hunger point.
  • Can also be crafted into dried kelp blocks.
  • It is eaten faster than other food.

width=32x32 Scutes

width=32x32 Minecraft:Turtle shells

Template:Crafting Table

Template:Animate Minecraft:Potion of the Turtle Master

File:Arrow of the Turtle Master JE1 BE1.png Minecraft:Arrow of the Turtle Master

  • Functions the same as the potion of the Turtle Master.

Template:Crafting Table

Template:Animate Minecraft:Buckets of fish

File:Map (item) JE1 BE1.png Buried treasure Minecraft:explorer maps

File:Phantom Membrane JE1 BE1.png Minecraft:Phantom membranes

Template:Animate Minecraft:Potion of Slow Falling

File:Arrow of Slow Falling JE1 BE1.png Minecraft:Arrow of Slow Falling

Template:Crafting Table

File:Heart of the Sea JE1 BE2.png Minecraft:Heart of the sea

  • Used to craft conduits.
  • They generate in buried treasure chests (in stacks of 1).

File:Nautilus Shell JE1 BE2.png Minecraft:Nautilus shells

  • Used to craft conduits.
  • Can be obtained by fishing.
  • Minecraft:Drowned can spawn holding a nautilus shell.

Template:Animate Minecraft:Mushroom blocks

  • Now appear in the Creative inventory.

File:Mushroom Stem (ESU) JE1 BE1.png Minecraft:Mushroom stems

  • Have an item form and appear in the Creative inventory.

File:Petrified Oak Slab JE3.png Minecraft:Petrified oak slab

  • Now has an item model.

Template:Animate Minecraft:Smooth quartz, Minecraft:smooth red sandstone, Minecraft:smooth sandstone, and Minecraft:smooth stone

  • Like wood, they now have an item form, which appears in the Creative inventory.

Template:Animate Minecraft:Wood

  • Now have an item form and appear in the Creative inventory.
    • This is true for all 6 types.
  • They can now be crafted, 4 Minecraft:logs in a square yield 3 wood.
  • They now follow identical placement rules to logs and other such blocks.

Template:Crafting Table

Minecraft:Spawn eggs

Mobs

File:Phantom.gif Minecraft:Phantom (Mob B)

  • Was voted in by viewers of MINECON Earth.<ref name="Aquatic" />
  • Spawn in the Minecraft:Overworld at high altitudes, and swoops down in groups of around 3 or 4 to attack players that have not slept in a while.<ref name="Aquatic" />
  • The player must be above sea level.
  • Are considered to be undead mobs.
    • This means that they are harmed by Healing potions, healed by Harming potions, ignored by the wither, and affected by Smite enchantment.
    • Burn when exposed to sunlight.
  • Drop 0-1 Minecraft:phantom membrane.

File:Turtle.png Minecraft:Turtles

Minecraft:Fish

  • Drop themselves when killed.
  • Outside of water, they flop around before suffocating.
    • Slowly flop towards a water source.
  • Can be caught with a water bucket.
  • Come in 4 types:
  • File:Cod.gif Minecraft:Cod
    • Spawn in cold, normal, and lukewarm ocean biomes.
    • Form in groups of up to 9.
  • File:Salmon.gif Minecraft:Salmon
    • Spawn in frozen ocean, cold ocean and river biomes.
    • Form in groups of up to 6.
  • Template:Animate Minecraft:Pufferfish
    • Spawn in lukewarm and warm ocean biomes.
    • Inflate themselves when a player gets near.
    • Causes 7 seconds of Poison to nearby players.
  • File:Clownfish.png Minecraft:Tropical fish
    • Spawn in lukewarm and warm ocean biomes.
    • Come in 14 different colors and patterns.

File:Drowned.png Minecraft:Drowned

File:Dolphin.gif Minecraft:Dolphins

  • Spawn in any ocean that isn't frozen.
  • Neutral mobs. Like Minecraft:wolves and Minecraft:zombie pigmen, dolphins attack in groups if one is angered.
  • Can be fed using Minecraft:raw cod, but they don't breed.
    • Drop cod on death.
  • Play with nearby items by picking them up and dropping them after a very short moment.
  • Occasionally jump out of water like real-life dolphins.
    • Can also jump between disconnected bodies of water.
  • Chase after boats and jump over water surfaces.
  • They suffocate after spending too much time on land.
  • If they start drowning, they swim to the surface.
  • Give the player the Minecraft:Dolphin's Grace status effect when the player swims near them.
  • They can help players find buried treasure; when they are fed raw cod, they swim to the nearest Minecraft:shipwreck or Minecraft:ocean ruins.

World generation

Minecraft:Biomes

  • Added minecraft:small_end_islands (Small End Islands), minecraft:end_midlands (End Midlands), minecraft:end_highlands (End Highlands), and minecraft:end_barrens (End Barrens).
    • All 4 generate in different parts of the outer islands of Minecraft:the End, which previously just used the "The End" biome.
  • Added minecraft:warm_ocean (Warm Ocean), minecraft:lukewarm_ocean (Lukewarm Ocean), minecraft:cold_ocean (Cold Ocean), minecraft:deep_warm_ocean (Deep Warm Ocean), minecraft:deep_lukewarm_ocean (Deep Lukewarm Ocean), minecraft:deep_cold_ocean (Deep Cold Ocean), and minecraft:deep_frozen_ocean (Deep Frozen Ocean), although warm deep oceans don't naturally generate.
  • minecraft:frozen_ocean (Frozen Ocean) now generates again.

Minecraft:Buffet

  • New Minecraft:world type: can be created by selecting Buffet World as a world type.
  • Creates single-biome worlds.
  • Allows choosing between Minecraft:Overworld (as "Surface"), Nether (as "Caves") and End (as "Floating islands") terrain generation.
  • Biome names are sorted alphabetically in the buffet menu.
  • Another way to generate chunks (Checkerboard) is available by using an NBT Editor to open a Buffet world's "level.dat", and using the following code for the "generatorOptions": {"biome_source":{"type":"minecraft:checkerboard"}}.<ref>https://twitter.com/AgentM124/status/987315761923452928</ref>

File:Chest.png Minecraft:Buried treasure

File:EnvSprite coral-reef.png Minecraft:Coral reef

File:EnvSprite iceberg.png Minecraft:Iceberg

  • Generate on frozen oceans.

File:Shipwreck Oak (With Mast).png Minecraft:Shipwrecks

  • Can be found in oceans and beaches.
  • Contain 1–3 loot chests containing different types of loot depending on the ship.
  • Can generate upright, sideways or upside down.

Underwater caves

  • Come in many variants, including ravines.
    • Underwater ravines often contain magma blocks at the bottom, which create bubble columns, which drag players down and makes navigating through water more difficult and drowning more likely.

Template:Animate Minecraft:Ocean ruins

  • Come in many different shapes and sizes.
  • Cold ruins can be found in cold and frozen ocean biomes - regardless of depth.
  • Warm ruins can be found in warm, lukewarm, and deep lukewarm ocean biomes.
  • Can generate alone or as part of a big ruined village.
  • Can also generate out of the water, slightly underground or slightly above sea level.

Gameplay

Minecraft:Advancements Template:Load advancements

  • Added three new advancement triggers.
    • Template:Code triggers when a player reels in an item or entity.
    • Template:Code triggers when a player uses the Channeling enchantment to strike a mob.
    • Template:Code triggers when a player fills a bucket.

Minecraft:Enchantments

Minecraft:Map markers

  • Added the ability to put markers on maps.
    • Template:Control on a Minecraft:banner with a map to add it to the map.
    • Right click on the same banner again to remove it.
    • That map shows the base color of the banner at that spot.
    • Named banners show their name on the map.
    • If a banner is destroyed, it disappears when the Minecraft:player gets close while holding the map.
    • Uses the new banners nbt for maps.

Minecraft:Movement

  • When sprinting while in water, the player now swims on the surface.
    • Much faster than walking/running in water before.
    • Pressing shift causes the player to rapidly dive down.
    • Sprinting at the surface of water doesn't make the Minecraft:player swim, instead the player stays at the same altitude constantly.
    • The players hitbox is only as large as 0.6×0.6 blocks (same as while flying with an Minecraft:elytra) while swimming.
    • Vertically and horizontally, the player can fit through a one block gap like this.

Minecraft:Status effects

  • File:Conduit Power.png Minecraft:Conduit Power
    • Gives the player unlimited water breathing, night vision and increased mining speed while underwater.
    • Acquired by being near a powered Minecraft:Conduit while underwater.
  • File:Dolphin's Grace.png Minecraft:Dolphin's Grace
  • File:Slow Falling.png Minecraft:Slow Falling
    • Causes the player to descend at a much slower rate, and not take any damage when hitting the ground.
    • This allows the player to jump further than normal.
      • If the player is sprinting while under the Slow Falling status effect, they are able to jump across a gap of 5 blocks, 6 with a 1-block height difference, compared to 4 with normal sprinting.
    • Crops don't get destroyed if the player lands on them with the Slow Falling status effect.
    • Higher levels do not change the rate of descent.

Command format

General

  • Added a command UI that shows when commands are typed in the chat.
    • Different components of commands are displayed in different colors.
    • Errors are displayed in red without having to run the command.
  • Added command suggestions for entity selectors.
  • An nbt argument in target selectors.
  • A new command parsing library known as "Brigadier".

Coordinates

  • Added a new local coordinate type in commands using ^.
    • When specifying coordinates in a command, the Minecraft:player can now use ^ to specify local coordinates instead of world coordinates.
    • The axes used for local coordinates are relative to the execution rotation, defaulting to 0,0 (south).
    • Like world coordinates, they are by default measured from the base of an entity.
    • The syntax is: ^left ^up ^forwards.
    • left/up/forwards is the amount of blocks in the specified direction.

Specific commands

/bossbar

  • /bossbar create <id> <name> creates a boss bar.
    • id is used to target the boss bar and is in the form namespace:name, for example: foo:bar. If no namespace is specified it defaults to minecraft.
    • name is the display name of the boss bar and only accepts a JSON text component.
  • /bossbar set <id> name <name> changes the name of the boss bar.
  • /bossbar set <id> color <color> changes the color of the text (if no color was specified as part of a text component) and the boss bar, defaults to white.
  • /bossbar set <id> style <style> changes the style of the boss bar, defaults to progress.
    • Available options are: notched_6, notched_10, notched_12, notched_20, and progress.
    • notched sets the amount of segments.
    • progress sets the amount of segments to 1.
  • /bossbar set <id> value <value> changes the current value of the boss bar, defaults to 0.
  • /bossbar set <id> max <max> changes the maximum value of the boss bar, defaults to 100.
  • /bossbar set <id> visible <visible> changes the visibility of the boss bar, defaults to true.
  • /bossbar set <id> players <players> changes which players can see the boss bar, defaults to none.
  • /bossbar remove <id> removes the boss bar.
  • /bossbar list displays a list of created boss bars.
  • /bossbar get <id> (max|players|value|visible) returns the requested setting as a result of the command.

Template:Cmd

  • A command that allows the player to get, merge, and remove entity and block nbt data.
  • /data get block <pos> [<path>] [<scale>]
    • Returns the NBT data from the block at pos. A path can be specified to only retrieve that nbt data. Numeric values are set as the result of the command, strings set the length of the string as the result, lists set the number of elements in the list as the result, and compounds set the number of tags that are directly in that compound as the result. An optional scale can be provided to scale the number retrieved.
  • /data get entity <target> [<path>] [<scale>]
    • Returns the NBT data from one target entity. A path can be specified to only retrieve that nbt data. Numeric values are set as the result of the command, strings set the length of the string as the result, lists set the number of elements in the list as the result, and compounds set the number of tags that are directly in that compound as the result. An optional scale can be provided to scale the number retrieved.
  • /data merge block <pos> <nbt>
    • Merges the block nbt data at pos with the specified nbt data.
  • /data merge entity <target> <nbt>
    • Merges the entity nbt data from target with the specified nbt data. Merging player nbt data is not allowed.
  • /data remove block <pos> <path>
    • Removes nbt data at path from the block at pos.
  • /data remove entity <target> <path>
    • Removes nbt data at path from one target entity. Removing player nbt data is not allowed.
  • Data paths look like this: foo.bar[0]."A [crazy name]".baz.
    • foo.bar means foo's child called bar.
    • bar[0] means element 0 of bar.
    • "quoted strings" may be used if a name of a key needs to be escaped.
  • Examples of old commands:
    • /entitydata <target> {} is now /data get entity <target>
    • /blockdata <pos> <nbt> is now /data merge block <pos> <nbt>
  • Examples of new functionalities:
    • /data get entity @e[type=pig,limit=1] Saddle 2
    • /data remove block 17 45 34 Items

Template:Cmd

  • A command to control loaded data packs.
  • Has the following subcommands:
    • enable <name> - enables the specific pack.
    • disable <name> - disables the specific pack.
    • list [available|enabled] - lists all data packs, or only the available/enabled ones.
  • Data packs are enabled by default, but if the player disables it, they can re-enable it with these commands:
    • enable <name> - enables the specific pack, putting it in its default position.
    • enable <name> first - enables the specific pack, putting it before any other pack (lowest priority).
    • enable <name> last - enables the specific pack, putting it after any other pack (highest priority).
    • enable <name> before <existing> - enables the specific pack, putting it before (lower priority) <existing> pack.
    • enable <name> after <existing> - enables the specific pack, putting it after (higher priority) <existing> pack.

Template:Cmd

  • Added a clickable teleport link to the command output.

Template:Cmd

  • Added /scoreboard objectives modify <objective> rendertype hearts.
  • Added /scoreboard objectives modify <objective> rendertype integer.
    • Makes health bars display as yellow numbers, like this: 12.

Template:Cmd

  • Added facing.
    • /teleport [<targets>] (<location>|<destination>) facing (<facingEntity>|<facingLocation>.
    • Rotates an entity to face either an entity or a location.

Template:Cmd

  • Added noon and midnight to /time set.

General

Minecraft:Data packs

Minecraft:Death messages

  • Added a death message for when the player is blown up by a bed in the Nether or the End.
    • <player> was killed by [Intentional Game Design]
      • Clicking on "[Intentional Game Design]" opens a link to Template:Bug.
  • Added a death message for when a mob/player pushes someone into the void or when someone uses Template:Cmd after being attacked by a mob/player.
    • <player> didn't want to live in the same world as <killer>
  • Added a death message for when the player is killed by somebody using a trident.
    • <player> was impaled by <killer>

Minecraft:Debug screen

  • Template:Keys now copies the Minecraft:player's current location to clipboard.
    • Now gives a warning before forcing a debug crash.
  • F3 debug overlay now shows the fluid the player is looking at, separately from blocks.
    • Player can be up to twenty blocks away for this to work now.
  • Added "Targeted Entity". Displays information for entities up to 4 blocks away (counting from the entities hitbox).
  • Added Template:Keys to copy the client-side data of targeted block or entity. It can be used by anyone.
  • Added Template:Keys to copy targeted block or entity server-side data to clipboard. It can only be used by operators.
  • Added information about the time it takes for a tick on the integrated server (singleplayer only), server brand (multiplayer only), number of packets sent by the client (tx), and number of packets received by the client (rx).

Minecraft:Loot tables

  • Added the set_name function to loot tables.

Minecraft:NBT tags

Minecraft:Options

  • "Fullscreen Resolution" to change the resolution while in fullscreen.
  • Options when editing a world to make a backup and open the backups folder.
  • Added "Biome Blend" distance video option.
  • New options in Minecraft:options.txt:
    • autoSuggestions
      • An option in chat settings to toggle automatic command suggestions
      • True if brigadier's command suggestion UI should always be shown, instead of just when pressing tab
      • Defaults on, otherwise hit tab to bring them up
    • glDebugVerbosity
      • LWJGL log info level (0: none, 1: HIGH, 2: MEDIUM, 3: LOW, 4: NOTIFICATION (only on some machines) )
    • mouseWheelSensitivity
      • Affects hotbar scroll speed
      • Allows making the mouse wheel more sensitive (1.0-10.0)
      • Defaults to 1.0
  • Letter keys in controls are now lowercase instead of being capitalized.
  • When editing an existing Minecraft world, there is now a new "Optimize World" button, allowing the Minecraft:player to update old worlds to a newer format.

Minecraft:Particles

  • Added the minecraft:bubble_column_up, minecraft:bubble_pop, minecraft:current_down, and minecraft:squid_ink Minecraft:particles.

Minecraft:Sounds

Minecraft:Splashes

  • Added "All rumors are true!"
  • Added "Thanks for the fish!"
  • Added "Truly gone fishing!"

Minecraft:Statistics

Minecraft:Tags

  • Items, blocks and functions can be "tagged" with an ID.
    • Block tags can be used when testing for blocks in the world.
    • Items tags can be used when testing for items in inventories.
    • Function tags can be used when calling functions using commands or advancements.
      • Functions tagged in minecraft:tick runs every tick at the beginning of the tick.
      • Functions tagged in minecraft:load runs once after a (re)load.
  • Tags are created using Minecraft:data packs in data/(namespace)/tags/blocks, data/(namespace)/tags/items, and data/(namespace)/tags/functions.
    • When overriding a tag from a different data pack, the Minecraft:player can choose to replace or append.
      • By default all tags append if another data pack created the tag.
      • Adding "replace": true to a tag's definition makes the tag overwrite instead.
    • For example: data/(namespace)/tags/blocks/foo.json
    • This creates a block tag called (namespace):foo.
    • The json file contains a list of all blocks that should be "tagged".
      • This list can also contain other tags of the same type.
        • The player can add for example #foo:bar in a tag value list to reference another tag called foo:bar.
        • Self referencing is not possible.
  • There are 24 vanilla tags for both items and blocks: minecraft:acacia_logs, minecraft:banners, minecraft:birch_logs, minecraft:buttons, minecraft:carpets, minecraft:coral, minecraft:coral_plants, minecraft:dark_oak_logs, minecraft:doors, minecraft:jungle_logs, minecraft:logs, minecraft:oak_logs, minecraft:planks, minecraft:rails, minecraft:sand, minecraft:saplings, minecraft:spruce_logs, minecraft:stone_bricks, minecraft:wooden_buttons, minecraft:wooden_doors, minecraft:wooden_pressure_plates, minecraft:wooden_slabs, minecraft:wooden_stairs, and minecraft:wool.
  • There are 7 extra vanilla tags for blocks: minecraft:anvil, minecraft:enderman_holdable, minecraft:flower_pots, impermeable, minecraft:slabs, minecraft:stairs and wall_corals.
    • Blocks in the impermeable tag are prevented from showing dripping liquid particles. By default, the tag contains Minecraft:glass and all stained glass blocks.
  • There is 1 extra vanilla tag for items: minecraft:boats.
  • Separated some of the logic for blocks and fluids.<ref>Template:Tweet</ref>
    • Current fluids:
      • minecraft:empty
      • minecraft:flowing_water
      • minecraft:water
      • minecraft:flowing_lava
      • minecraft:lava
    • The fluid at a location is currently dependent on the block at the location; currently there still are water and lava blocks.
    • Added two new fluid Minecraft:tags: minecraft:lava and minecraft:water.
    • This system is mostly internal; it cannot be directly interacted with yet.
  • Minecraft:Advancement item predicates now support item tags.

Minecraft:Waterlogging

  • Water can now be placed in the following blocks: chests, trapped chests, stairs, slabs, fences, walls, iron bars, glass panes, ender chests, trapdoors, ladders, and signs.
    • Water can flow out of these blocks, but cannot flow into them.
    • When full of water, they count as water blocks for all gameplay (such as swimming).
    • Water flows out of all faces of the block except for solid faces.
  • Removed the blocks flowing_water and flowing_lava.
  • All of the blocks that water can be placed in now have the block state waterlogged.
  • Blocks such as bubble column or kelp always count as a water source.
  • When water spreads and would later turn into a source block, it now immediately just places a source block.

Other

  • New valid_spawn block tag for blocks that the player can spawn on.
  • There is now a distinction between scheduled "liquid ticks" and "block ticks".

Changes

Blocks

General

  • The upper limit of the block ID has disappeared.
  • Blocks which used to have no bottom texture (like repeaters, comparators, etc.) now have a bottom texture, not including redstone wire.
  • Blocks with a collision box now have matching bounding boxes.
    • Affected: anvils, cauldrons, hoppers, fences, iron bars, glass panes, filled end portal frames, vines, lily pads, stairs, brewing stands, and pistons.
    • Updated the collision box of anvils and hoppers.
    • Does not affect blocks with a collision box smaller than their model, such as soul sand and snow layers.

The outline for block hitboxes can now have other shapes than just one cuboid. This causes the outline of stairs and other blocks to match with the hitbox.

Minecraft:Banners

  • Now make a sound when placed.

Minecraft:Beacons

  • Added new sounds.

Minecraft:Beds

  • Changed message shown when failing to use a bed to say "You can sleep only at night and during thunderstorms."

Minecraft:Cactus

Minecraft:Chests and Minecraft:trapped chests

  • They can be put directly next to their double variants instead of requiring one block between them.
    • Shift right-clicking a chest or trapped chest only makes it try to connect to the clicked chest or trapped chest if possible, else it becomes a single chest or trapped chest.

Minecraft:Cocoa beans

  • Can now be placed when aiming at blocks that it cannot be placed on if there is an adjacent block that they can be placed on.
  • Can now replace replaceable blocks such as snow, fire or grass when placed by the player.

Minecraft:Dispensers

  • Crafting no longer requires a fully repaired Minecraft:bow.<ref name="damage">Template:Bug (resolved as "Works as Intended")</ref>

Minecraft:Doors

  • Can now be placed by aiming at the side of a block.

Minecraft:Dragon heads

  • Now held differently from other mob heads in third person.

Minecraft:Ender chests

  • Now change their texture when the computer time is set to the 24th to 26th of December to suit Christmas.

Minecraft:Fence gates

  • Placing them no longer requires a block below them.

Minecraft:Heads

  • Now make a sound when placed.
  • Can no longer be placed inside entities.

Minecraft:Infested blocks

  • Now break instantly, no matter the tool.

Minecraft:Leaves

  • Naturally-generated leaves now survive at a distance of up to 6 blocks from logs, instead of 4.
    • The block state for leaves changed from a check_decay and decayable Booleans to distance (ranging from 1 to 7) and a persistent Boolean.

Minecraft:Levers

  • Flicking a lever on now displays redstone particles.
  • Levers placed on the floor or ceiling have their hitbox height reduced.

Minecraft:Magma blocks

  • Now generate at the bottom of ocean ravines, creating downward bubble columns.

Minecraft:Packed ice

Minecraft:Pumpkins

  • Placing them no longer requires a block below.

Minecraft:Redstone dust

  • Now makes a sound when placed.

Minecraft:Signs

  • Now make a sound when placed.

Minecraft:Shulker boxes

  • Changed the purple shulker box to the 1.12 snapshots' purple color.
  • Dyed shulker boxes can now be undyed in a cauldron.
    • Template:Control a shulker box on a filled cauldron.
    • The water level in the cauldron decreases by 1.

Minecraft:TNT

  • Removed the explode block state (explode on punch).<ref name="explode">Template:Bug (resolved as "Works as Intended" at the time)</ref>

Minecraft:Vines

  • Multiple vines facing different directions, including on the bottom of blocks, can now be placed in the same block space.

Minecraft:Water

  • Has new colors, depending on the biome.
    • Dark purple for frozen, indigo for cold, blue/regular for medium (lush), light green for warm/dry biomes.
      • Swamps have a light green-gray hue, and lukewarm ocean a light teal.
  • Now only blocks 1 light per block, instead of 3.
    • This only affects newly placed water (for now).

Minecraft:Command blocks

  • Removed explanation of selectors.
  • Removed "Searge says ..." output when executing help, instead it runs normally.

Items

Minecraft:Carrot on a stick

  • Can now be crafted with a fishing rod that does not have full durability.<ref name="damage" />

Minecraft:Elytra

Minecraft:Fish

  • Item textures changed.

Minecraft:Iron horse armor

  • Changed the texture when equipped.

Minecraft:Maps

Minecraft:Spawn eggs

  • Using them on blocks without collision box now spawns the mob inside that block rather than next to it.

Mobs

General

Minecraft:Horses

  • The model has been changed to be more consistent with other mobs.<ref name="meethorse">Template:Mcnet</ref>
  • Some animations like opening its mouth when grazing have been removed from the model as well.

Minecraft:Husks

Minecraft:Parrots

Minecraft:Polar bears

Minecraft:Skeleton horses

  • Are now rideable underwater.
  • Updated model to fix minor texture z-fighting, a glitch where textures overlap in an obtrusive and unintentional way.

Minecraft:Squid

  • Now shoot ink and flee quickly in response to being attacked.

Minecraft:Zombie horses

  • Updated model to fix extreme texture z-fighting, just like the skeleton horse.

Minecraft:Zombies

Non-mob entities

General

Old name New name
Block of TNT Primed TNT
Bolt of Lightning Lightning Bolt
Ender Crystal End Crystal
Eye of Ender Signal Eye of Ender
Evocation Fangs Evoker Fangs

Minecraft:Armor stands

  • Can now be placed inside water, lava and fire just like any other replaceable block.
  • Can no longer step up blocks.

Minecraft:Fishing bobbers

  • Bobbers created by fishing rods have been given an entity ID, fishing_bobber.
    • This ID can only be used for testing, summoning is not possible.

Minecraft:Item frames

  • Item frames can now be put on floors and ceilings.

Minecraft:Llama spit

  • Hitbox has been decreased from using the player's hitbox to be 0.25x0.25x0.25 blocks.

Minecraft:Paintings

World generation

General

  • Rewrote the world generation system.
  • In Minecraft:the Nether, vertical air cavities – stretching from bedrock level to as far as Y=35, and filled with Minecraft:lava from bedrock level to Y=10 – now occur in chains across the bottom of the Nether, often forming extensive ravines.
  • In newly generated chunks, the Minecraft:player is less likely to find frozen oceans next to warm oceans, etc.

Minecraft:Biomes

  • The Template:Keys menu now shows the biome ID, rather than its name.
  • Biome names are now translatable.
  • Updated some biome names:

Customized world type

  • Removed.

Minecraft:Superflat customization

  • Preset strings no longer use a version number.

Minecraft:Trees

Minecraft:Witch huts

  • Now generate with a mushroom in the flower pot.
    • Previously, the flower pot was completely empty.

Gameplay

Camera

  • A smooth transition is now applied to the camera when the player sneaks, flies with an Minecraft:elytra or swims.
  • A smooth transition is now applied to the camera when entering or leaving a Minecraft:bed.

Minecraft:Movement

Oxygen bar

  • The player's oxygen bar no longer regenerates instantly when they get out of Minecraft:water.

Sleep

  • Players in creative mode can now sleep even if monsters are nearby.

Visibility

  • Changed natural water visibility.
    • The longer a player stays underwater, the better they are able to see.
    • Water is darker at lower depths.
    • The Water Breathing potion & Respiration enchantment no longer grant enhanced vision underwater.
    • Every ocean biome has a unique water color, and the swamp water color has been changed.
    • Visibility changes per biome.

Command format

General

  • Commands and functions are much faster and more efficient.
  • Most commands are now more case-sensitive. Lowercase is preferable wherever possible.
    • For example, this is no longer allowed: /scoreboard ObJeCtIvEs ...
  • The output signal of a command block used to be its "success count", but now is its "result".
  • Server commands (functions, console, rcon) now run from world spawn in the Overworld, instead of at 0,0,0.
  • Errors during a command are now a nicer error message (with a tool tip for more info).
  • Added commands to the profiler (Template:Cmd).
  • Whitespaces are now allowed in entity selectors & blockstate arguments.
  • Blockstate files:
    • "normal" for blocks without block states changed to an empty string ("").
    • Item frames now have "map=false" instead of "normal" and "map=true" instead of "map".
    • Model references no longer start at the models/block/ folder, but instead at models/.

Minecraft:Command UI

  • A new prototype for the command UI.

Functions

  • Functions are now completely parsed and cached on load.
    • This means if a command is incorrect for any reason, the player knows about it on load.

NBT

  • The ench NBT tag of items is now called Enchantments, and no longer has number IDs in each compound.
  • Thrower and Owner nbt keys of Minecraft:item entities are no longer strings, but are instead compounds with two longs named L and M.
  • owner nbt keys of Minecraft:snowballs, Minecraft:eggs and Minecraft:ender pearls are no longer strings, but are instead compounds with two longs named L and M.
  • Changed all custom names (blocks, items, entities, block entities) from raw strings to JSON text components (which can be translated).
    • For example, /summon pig ~ ~ ~ {CustomName:"Reuben"} is now /summon pig ~ ~ ~ {CustomName:"\"Reuben\""} or /summon pig ~ ~ ~ {CustomName:"{\"text\":\"Reuben\"}"}

Specific commands

Template:Cmd

  • Removed /advancement test in favor of entity selectors.

Template:Cmd

Template:Cmd

  • The syntax has changed.
    • /clear [<target>] [<item>] [<data>] [<count>] [<nbt>] is now /clear [<target>] [<item>] [<count>]
    • See the item argument type for more details.

Template:Cmd

  • The syntax has changed.
    • /clone <begin> <end> <destination> filtered [force|move|normal] [<block>] [<data>] is now /clone <begin> <end> <destination> filtered [<block>] [force|move|normal]
    • /clone <begin> <end> <destination> [replace|masked] [force|move|normal] [<block>] [<data>] is now /clone <begin> <end> <destination> [replace|masked] [force|move|normal]

Template:Cmd and Template:Cmd

  • Now only accept string IDs, not shorthand or numeric.
    • /gamemode 2 is now /gamemode adventure
    • /defaultgamemode sp is now /defaultgamemode spectator

Template:Cmd

  • difficulty [<value>] now only accepts string IDs, not shorthand or numeric.
    • /difficulty 2 is now /difficulty normal
    • /difficulty p is now /difficulty peaceful
  • Minecraft:Players can now query for the current difficulty by using Template:Cmd without any arguments.

Template:Cmd

  • The syntax has been split off, to avoid ambiguity.
    • /effect <entity> <effect> is now /effect give <entity> <effect>
    • /effect <entity> clear is now /effect clear <entity> [<effect>]
  • Giving an effect now fails if it didn't actually do anything.
    • Some mobs are immune (for example the Minecraft:ender dragon).
    • Stronger existing effects prevent new weaker ones.

Template:Cmd

Template:Anchor Template:Cmd

  • The syntax has been split off.
    • Modifier sub-commands can change how the command is run:
      • /execute as <entity> <chained command> executes a command using the entity <entity> (but doesn't change position).
      • /execute at <entity> <chained command> executes a command using the position, rotation, and dimension of the <entity> (but doesn't change entity).
      • /execute positioned <pos> <chained command> executes a command using the position of <pos>.
      • /execute positioned as <entity> <chained command> executes a command using the position (x y z) of the entity, but nothing else.
      • /execute align <axes> <chained command> executes a command after aligning the current position to the block grid (rounding down), <axes> is any combination of x y and z (for example: x,xz,zyx and yz).
        • Examples:
          • x=-1.8,y=2.3,z=5.9 using x becomes x=-2,y=2.3,z=5.9
          • x=2.4,y=-1.1,z=3.8 using yxz becomes x=2,y=-2,z=3
      • /execute facing <x y z> <chained command> executes a command as though the executor is facing x y z.
      • /execute facing entity <entity> (eyes|feet) <chained command> executes a command as though the executor is facing the entity's eyes or feet.
      • /execute rotated as <entity> <chained command> executes a command as though the executor is rotated in the direction of the entity.
      • /execute rotated <y x> <chained command> runs the command as though the executor is rotated in the specified direction.
      • /execute in (overworld|the_end|the_nether) <chained command> executes a command as though the executor is in the specified dimension.
      • /execute anchored (feet|eyes) <chained command> makes the rest of this command use feet or eyes for ^ ^ ^ coordinates or facing commands.
    • Conditional sub-commands can let the Minecraft:player prevent the command from running at all:
      • /execute (if|unless) block <pos> <block> <chained command> executes a command if (or unless) <pos> matches <block>.
      • /execute (if|unless) blocks <begin> <end> <destination> (all|masked) <chained command> executes a command if (or unless) the region between <begin> and <end> matches <destination>.
      • /execute (if|unless) entity <entity> <chained command> executes a command if (or unless) <entity> exists (returns 1 or more entities).
      • /execute (if|unless) score <target> <targetObjective> (<|<=|=|>=|>) <source> <sourceObjective> <chained command> executes a command if (or unless) <target>'s score relates to <source>'s score based on the chosen criterion.
      • /execute (if|unless) score <target> <objective> matches <range> <chained command> executes a command if (or unless) <target>'s score is in the range (ie 1, 1..5).
    • As replacement for Template:Cmd, a new sub-command store lets players store the result or success of a command somewhere:
      • result is the result of a command, which replaces these old stats: AffectedBlocks, AffectedEntities, AffectedItems, QueryResult.
      • success is how many times the command was successful. This is usually 0 or 1, but if the command split up (for example as @a) then it may be more than 1. This replaces SuccessCount.
      • The value is stored when the full command has finished executing.
      • If a command isn't successful (success is 0), result is always set to 0.
      • It is made clear what the expected result of each command is.
      • /execute store (result|success) score <name> <objective> <chained command>
        • The value is stored into the scoreboard under <name> and <objective>.
        • The objective must exist, but unlike with Template:Cmd the player doesn't need to set an initial value for <name>.
      • /execute store (result|success) block <pos> <path> (byte|double|float|int|long|short) <scale> <chained command>
        • The value is stored in the nbt data at path of the block at pos as a byte, double, float, int, long, or short.
      • /execute store (result|success) entity <target> <path> (byte|double|float|int|long|short) <scale> <chained command>
        • The value is stored in the nbt data at path of one target entity as a byte, double, float, int, long, or short.
        • Like Template:Cmd, /execute store can't modify player nbt. Nbt inside the tag key of items in the player's Inventory or EnderItems is an exception and can be modified by /execute store.<ref>Template:Bug</ref>
      • /execute store (result|success) bossbar <id> (value|max) <chained command>
        • The value is stored in the value or max setting of the boss bar with ID id.
      • Data paths look like this: foo.bar[0]."A [crazy name]".baz.
        • foo.bar means foo's child called bar.
        • bar[0] means element 0 of bar.
        • "quoted strings" may be used if a name of a key needs to be escaped.
      • Examples:
        • /execute store success score @a foo run say hi
        • /execute as @e[type=pig] at @s store success entity @s Saddle byte 1 if entity @p[distance=..5]
    • The player can chain all sub-commands together.
      • After every sub-command the player needs to write another sub-command.
      • When the player is done with chaining sub-commands, run lets them write the actual command to be executed.
        • / is no longer allowed before the command.
      • /execute as somebody at somebody run say hi
    • Example of old commands:
      • /execute @e ~ ~ ~ detect ~ ~ ~ stone 0 say Stone! is now /execute as @e at @s if block ~ ~ ~ stone run say Stone!
      • /execute @e ~ ~ ~ detect ~ ~ ~ grass 0 summon pig is now /execute at @e if block ~ ~ ~ grass_block run summon pig
      • /execute @e ~ ~ ~ say Hello! is now /execute as @e run say Hello!

Template:Cmd

  • Template:Cmd is now an alias for Template:Cmd.
  • Split up into 3 different subcommands:
    • /experience add <players> <amount> [points|levels]
      • Adds <amount> of either points or levels to the target <players> (defaults to points).
      • Adding points can cause players to level up, as usual.
      • Negative numbers are supported, to subtract points instead.
      • Subtracting points can cause players to level down.
    • /experience set <players> <amount> [points|levels]
      • Sets <amount> of either points or levels on the target <players> (defaults to points).
      • The Minecraft:player cannot set more points than their current level allows.
      • When changing levels, points stay at the same percentage as the previous level.
    • /experience query <player> (points|levels)
      • Returns either the number of points or levels on the given <player>.

Template:Cmd

  • The syntax has changed.
    • /fill <begin> <end> <block> <data> replace [<replaceBlock>] [<replaceData>] is now /fill <begin> <end> <block> replace [<filter>]
    • /fill <begin> <end> <block> [<data>] [destroy|hollow|keep|outline|replace] [<nbt>] is now /fill <begin> <end> <block> [destroy|hollow|keep|outline|replace]

Template:Cmd

  • No longer accepts [if|unless] <entity> arguments.
    • This has been moved into Template:Cmd.
    • /function foo if @e is now /execute if entity @e run function foo

Template:Cmd

  • No longer accepts unknown rules ("custom gamerules").
  • Values to Template:Cmd are now type checked (giving a string if it wants an int is a very obvious error).
  • Removed the gameLoopFunction gamerule in favor of functions tagged in minecraft:tick.

Template:Cmd

  • The syntax has changed.
    • /give <players> <item> [<count>] [<data>] [<nbt>] is now /give <players> <item> [<count>]
    • See the item argument type for more details.

Template:Cmd

  • A target is now mandatory.

Template:Cmd

  • Can now be used in singleplayer.

Template:Cmd

  • The Y-coordinate is now returned as ~ instead of ?.
  • The result of the command, used by /execute store, is the absolute distance to the structure.
  • Now accepts different structure names for all structures previously grouped under Temple: Desert_Pyramid, Igloo, Jungle_Pyramid, and Swamp_Hut.

Template:Cmd

  • Now allows target selectors besides names.

Template:Cmd

  • The <params> argument has been removed, instead the parameters for particles like block can be specified right after the <name> argument using the new block argument.
    • /particle block polished_granite ~ ~ ~ 0 0 0 0 1
    • /particle dust 1 1 1 1 ~ ~ ~ 0 0 0 0 1
      • 1 1 1 1 are, in order, the three RGB color values (0-1) and the size of the particle.
  • /particle <name> <pos> is now a valid shortcut. delta, speed, and count defaults to 0.

Template:Cmd

Template:Cmd

  • The syntax has changed.
    • /replaceitem block <pos> <slot> <item> [<count>] [<data>] [<nbt>] is now /replaceitem block <pos> <slot> <item> [<count>]
    • /replaceitem entity <target> <slot> <item> [<count>] [<data>] [<nbt>] is now /replaceitem entity <target> <slot> <item> [<count>]
    • See the item argument type for more details.
  • The slot argument no longer requires slot.
    • For example, slot.hotbar.1 now is hotbar.1

Template:Cmd

  • Had [<dataTag>] removed from its commands in favor of the nbt argument in entity selectors.
  • /scoreboard players tag and /scoreboard teams removed. Replaced by Template:Cmd and Template:Cmd respectively.
  • /scoreboard players test removed in favor of execute (if|unless) score, entity selectors and /scoreboard players get <target> <objective>
  • Objective names are now text components, not raw strings.

Template:Cmd

  • The output can now be copied.

Template:Cmd

  • The syntax has changed.
    • /setblock <pos> <block> [<data>] [<mode>] [<nbt>] is now /setblock <pos> <block> [<mode>]
    • See the block argument type for more details.

Template:Cmd

  • Removed. Now part of Template:Cmd.
  • The new Template:Cmd one isn't a direct replacement, the behavior has changed:
    • It's now per-command, instead of per-entity or per-block.
    • There's only result and success, which covers all the old stat types.

Template:Cmd

  • * can now be used instead of source to stop all sounds with a certain name, across all sources.

Template:Cmd

  • Replaces /scoreboard players tag.
  • Keeps the same syntax.
    • /tag <players> add <tag> to add <tag> to <players>.
    • /tag <players> remove <tag> to remove <tag> from <players>.
    • /tag <players> list to list all tags on players.

Template:Cmd

  • Replaces /scoreboard teams.
  • Keeps the same syntax.
    • /team add <team> [<displayname>]
    • /team empty <team>
    • /team join <team> [<members>]
    • /team leave [<members>]
    • /team list [<team>]
    • /team modify <team> <option> <value>
    • /team modify <team> [<displayname>]
  • Teams can now have a prefix and a suffix.
    • /team modify <team> prefix <prefix>
    • /team modify <team> suffix <suffix>
  • Team names are now text components, not raw strings.

Template:Cmd, Template:Cmd and Template:Cmd

Template:Cmd

  • Removed. It was always used to stop the rain, but rain usually quickly returned.
  • Use Template:Cmd.

Template:Cmd and Template:Cmd

  • Template:Cmd is now an alias of Template:Cmd (much like Template:Cmd, Template:Cmd and Template:Cmd).
  • Template:Cmd has been simplified a bit, to avoid ambiguity.
    • /teleport <entity> doesn't allow rotation or facing, teleports the Minecraft:player to the entity.
    • /teleport <x y z> doesn't allow rotation or facing, teleports the Minecraft:player to the position.
    • /teleport <victim> <entity> doesn't allow rotation or facing, teleports victim to entity.
    • /teleport <victim> <x y z> [yRot xRot] teleports victim to that position with optional rotation.
    • /teleport <victim> <x y z> facing [xFacing yFacing zFacing] teleports victim to that position facing another position.
    • /teleport <victim> <x y z> facing entity <entityFacing> [feet|eyes] teleports victim to that position facing an entity's feet or eyes (default feet).
    • Teleporting to an entity in another dimension is now allowed.

Template:Cmd

  • /trigger <objective> is a new syntax as a shortcut for /trigger <objective> add 1.

Template:Cmd

  • If a time isn't specified, it now defaults to 5 minutes (previously random).

Team

  • Option friendlyfire capitalization changed to friendlyFire.

Argument types

Minecraft:Target selectors

  • More error handling has been introduced.
    • Things like limit=0, level=-10, gamemode=purple are not allowed.
  • Arguments may now be quoted.
  • There are no longer separate "min" and "max" values; instead ranges are supported.
    • level=10 is level 10.
    • level=10..12 is level 10, 11 or 12.
    • level=5.. is anything level 5 or above.
    • level=..15 is anything level 15 or below.
  • The arcane shorthand names have been renamed.
    • m -> gamemode
    • l or lm -> level
    • r or rm -> distance
    • rx or rxm -> x_rotation
    • ry or rym -> y_rotation
    • c -> limit
  • x, y, z, distance, x_rotation and y_rotation are now doubles and allow values like 12.34
    • x and z are no longer center-corrected.
      • This means x=0 no longer equates to x=0.5.
  • gamemode (previously m) no longer allows numerical or shorthand IDs.
  • limit (previously c) no longer allows negative values.
    • Use sort=furthest instead.
  • The name argument now supports spaces (as long as it's quoted).
  • Multiple of the same argument in target selectors is now possible.
    • tag=foo,tag=bar,tag=!baz matches someone with foo, bar and not baz.
    • type=!cow,type=!chicken matches something that isn't a cow and isn't a chicken.
    • type=cow,type=chicken isn't allowed, because something cannot both be a cow and chicken.
  • The player can specify the sorting.
    • sort=nearest is the old default, sorting by distance (default for @p)
    • sort=furthest is the reverse of that (previously, players would use c=-5 for this)
    • sort=random for random sorting (default for @r)
    • sort=arbitrary is a new option to not sort the result (default for @e, @a)
  • Specifying scores now looks like scores={foo=1,bar=1..5}
  • Players can test for advancements with advancements={foo=true,bar=false,custom:something={criterion=true}}
    • true for "they completed the advancement", false for "they have not completed the advancement"
    • Alternatively, pass a block of specific criteria to test for (again, true or false)

Minecraft:Blocks

  • Wherever a <block>, optionally [<data>] and optionally [<nbt>] was required, it's now a single <block> argument that looks like this:
    • stone
    • minecraft:redstone_wire[power=15,north=up,south=side]
    • minecraft:jukebox{RecordItem:{...}}
    • minecraft:furnace[facing=north]{BurnTime:200}
  • ID is required (though just as before, if namespace isn't set it defaults to minecraft:).
  • States are inside [], comma-separated and must be properties/values supported by the blocks. They are optional.
    • minecraft:stone[doesntexist=purpleberry] is a syntax error, because stone doesn't have doesntexist.
    • minecraft:redstone_wire[power=tuesday] is a syntax error, because redstone_wire's power is a number between 0 and 15.
  • NBT tag is inside {}, and works just like players would expect. It's optional.
  • In the context of "conditions"/testing for blocks, only the states the player provided are tested.
    • If players test redstone_wire[power=15], it only checks power, but ignores other states such as north.
  • In the context of setting blocks, any states the player provided are set, but anything missed out defaults depending on the block.
    • If players set redstone_wire[power=15], it sets power to 15, but north is a default value (in this case, set to none).
  • There is no such thing as block data value in 1.13. It's either a different block, or a state.

Minecraft:Items

  • Wherever an <item>, optionally [<data>] and optionally [<nbt>] was required, it's now a single <item> argument that looks like this:
    • stone
    • minecraft:stick{display:{Name:"\"Stick of Untruths\""}}
  • ID is required (though just as before, if namespace isn't set it defaults to minecraft:).
  • NBT tag is inside {}, and works just like players would expect. It's optional.
  • There is no such thing as item data value or item damage value in 1.13.
    • Damage, where applicable, is a property in nbt.
    • Any other information is either a separate item or a property in nbt.

General

Minecraft:The Flattening

  • Numeric block metadata completely phased out in favor of block states.
  • Split, merged, created, deleted, and renamed a lot of blocks, blockstates and items.
    • Blocks and items previously differing because of damage value have gotten their own id, for example white_wool instead of wool:0
    • Damage has been moved to the tag tag and is only used by tools and armor; maps use a map tag.
      • The damage predicate has been reversed - 0.6 now means 60% durability remaining, not 60% broken
    • Files and commands no longer use data or set_data.
  • Structures do not run an upgrade path for this.
    • To update structures, load them all in 1.12, then update to 1.13 and save all structures again.

Minecraft:Title screen

  • New title screen background, featuring many of the structures, blocks, and mobs that were added in the Update Aquatic.
    • The menu panorama uses seed 1458140401 at coordinates X=1553, Y=58, Z=-1162
  • The comma is replaced with a dot in the copyright notice.

Minecraft:Advancements

  • Advancement descriptions now have colors:
    • Normal and goal advancements have green descriptions.
    • Challenge advancements have purple descriptions.

Minecraft:Controls

  • The name of keybindings now describes the actual key (e.g. 'LBUTTON' -> 'Left Button', 'BACKSLASH' -> '\')

Minecraft:Creative inventory

Minecraft:Credits

  • Updated the credits list to include all of the Mojang staff.

Minecraft:Debug screen

  • Left side:
    • Added "Looking at liquid" row. Displays the targeted fluid's coordinates.
    • "Looking at" row has been renamed "Looking at block" and now targets through liquids.
  • Right side:
    • "Targeted Block" information now targets through fluids.
    • "Targeted Block" now displays information for blocks up to 16 blocks away.

Fonts

  • The Latin extended alphabet, along with Greek and Cyrillic, have been given their own "textured" font. However, some characters (such as kanji and script) still use the unicode font.
  • Fonts are now saved as TrueType font files.

Minecraft:Missing texture

Minecraft:Music

  • Three brand new pieces of underwater music by Minecraft:C418 have been added:
    • Shuniji, Dragon Fish and Axolotl.
    • Their ID for commands is music.under_water.

Minecraft:Options

  • Removed 3D Anaglyph completely.
  • Option Fullscreen resolution capitalization changed to Fullscreen Resolution.
  • Values for GUI scale has been renamed from "Small", "Medium" and "Large" to 1,2 and 3. GUI scaling also detects the resolution of monitors and offers even higher scaling options (4 for 1080p, 5 for 4k and so on).

Minecraft:Particles

  • Optimized particle rendering slightly.
  • Dripping

Minecraft:Recipes

  • Custom recipes can now be loaded from data packs in data/(namespace)/recipes/(name).json
  • Added a recipe book for the furnace.
  • Furnace recipes have been moved to JSON files.
    • They use "type": "smelting".
    • cookingtime is used to determine the time it should take to smelt an item in the furnace.
    • experience is used to determine the amount of experience a player should get when picking the resulting item out of the furnace manually.
    • Fuel is not included and is still hardcoded.
  • "Unlocked recipe" toasts now show an icon in the top left to specify whether the unlocked recipe is a crafting or smelting recipe.

Minecraft:Resource packs Template:Resource pack format/value

Minecraft:Statistics

  • Statistics are being updated.
    • stat.(stat) is now minecraft.custom:minecraft.(stat).
    • stat.(stat).minecraft.(block/item/entity ID) is now minecraft.(stat):minecraft.(block/item/entity ID).

Tooltips

  • Added (and fixed) Minecraft:rarity values for certain items. Minecraft:Items with a rarity value have their Minecraft:hotbar tooltips, which are displayed when scrolling over them in the hotbar, displayed as their respective colors when highlighted, rather than just being white.<ref>Template:Bug</ref>
Item New rarity
Minecraft:Beacon Rare
Minecraft:Chain command block Epic
Minecraft:Command block Epic
Minecraft:Conduit Rare
Minecraft:Creeper head Uncommon
Minecraft:Dragon egg Epic
Minecraft:Dragon head Uncommon
Minecraft:Dragon's breath Uncommon
Minecraft:Elytra Uncommon
Minecraft:Enchanted golden apple Epic
Minecraft:Enchanted books Uncommon
Enchanted items (excluding books) Rare
Minecraft:End crystal Rare
Minecraft:Bottle o' enchanting Uncommon
Minecraft:Golden apple Rare
Minecraft:Heart of the sea Uncommon
Minecraft:Music discs Rare
Minecraft:Nether star Uncommon
Minecraft:Player head Uncommon
Minecraft:Repeating command block Epic
Minecraft:Skeleton skull Uncommon
Minecraft:Structure block Epic
Minecraft:Totem of undying Uncommon
Minecraft:Wither skeleton skull Uncommon
Minecraft:Zombie head Uncommon
  • Additionally, attack speed and attack damage in tools' info are now Template:Color.

Other

  • Game library updated to LWJGL 3.
    • Updated LWJGL from version 3.1.2 to 3.1.6.
  • Loading or creating a world shows the percentages of the loading stages.
    • Preparing spawn area now shows as a loading stage.
  • Crash reports now list what data packs are enabled.
  • Data generators are now exposed, players can get a dump of all blocks/items/commands/etc from the game without opening it up.
  • Changed translation files from .lang (key=value) to .json ("key": "value").
    • Now supports newlines.
  • Optimized cloud rendering.
  • Optimized fog rendering.
  • Optimized world spawn position–finding code.
  • Removed skip_existing_chunks from explorer map loot table function.
  • Upgrade path optics code is now in a separate library, datafixerupper.<ref>https://libraries.minecraft.net/com/mojang/datafixerupper/1.0.3/datafixerupper-1.0.3.pom; https://arxiv.org/ftp/arxiv/papers/1703/1703.10857.pdf for info on optics</ref>

Fixes

Template:Fixes

Videos

Template:Slicedlime

Trivia

  • With a total of 10 pre-releases released, 1.13 has the most pre-releases of any update released so far.
  • With a total of 42 snapshots released, 1.13 has the third most snapshots of any update released so far.
    • Bested by 1.9, which has 56 snapshots, and 1.8, which has 52 snapshots.
  • 1.13 had the longest timespan of development versions for a major update, with the first snapshot, Minecraft:Java Edition 17w43a, being released on October 25, 2017, 266 days before the full release.
    • The previous longest was 1.8, with 236 days from the first snapshot to the final release.
  • This update was the second longest wait for a major update, with 406 days having elapsed since 1.12 was released on June 7, 2017.
    • This is eclipsed by the wait between 1.8 and 1.9, having 545 days elapsed between them.
  • This update had the most development versions between the first snapshot and the change of its panorama, with 17w43a at development version 1, while 1.13-pre1 was development version 43.

Gallery

References

Template:Reflist

Navigation

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