Java Edition 1.17

For a guide about all content currently released in this update, see Java Edition guides/Caves & Cliffs.

Minecraft 1.17
Edition	Java Edition
Official name	Caves & Cliffs
Planned release date	Mid-2021
See also other instances of 1.17	Bedrock Edition PlayStation 3 Edition PlayStation 4 Edition PlayStation Vita Edition Minecraft Dungeons

1.17, the first release of Caves & Cliffs, is an upcoming major update to Java Edition set to release in mid-2021. It was first announced during Minecraft Live 2020 on October 3, 2020.

Additions

Blocks

Amethyst Bud

• Grows from budding amethyst, which is found in amethyst geodes.
• Starts out tiny, but grows into medium after a while, large after even more time, and eventually becomes an amethyst cluster.
• Unlike crops, each growth stage is a separate block instead of a block state.
• Drops only when mined with a Silk Touch pickaxe.
• There is a total of 3 variants (stages).

Amethyst Cluster

• The final, mature stage of the amethyst bud, which grows from budding amethyst in amethyst geodes.
• Drops amethyst shards if broken, in an amount affected by Fortune, but can also be picked up with Silk Touch.
  • Breaking by hand, piston, or other means drops only 2 amethyst shards instead of 4 that would be dropped by using any pickaxe.
• Emits a light level of 5.

Azalea

• Has variants with either no blossoms or pink blossoms.
• Bush-like blocks that can be planted on dirt and grass blocks.
• Both azaleas can grow from moss blocks when bone meal is used on them.
• The variant with pink blossoms is seen as small flowers by the game (for example, bees can pollinate them).

Azalea Leaves

• Has variants with either no blossoms or pink blossoms.
• Yield azalea and sticks on decay.
• The variant with pink blossoms is seen as small flowers by the game (for example, bees can pollinate them).

Block of Amethyst

• A decorative block found in amethyst geodes.
• Unlike the Budding Amethyst, the Block of Amethyst can be obtained when mined.
• Can also be crafted with 4 amethyst shards.

Block of Copper

• Can be crafted with 4 copper ingots, and can also be crafted back into 4 copper ingots.
• Oxidizes and changes texture to a turquoise-green over time.
• Can be stopped from oxidizing by combining it with a honeycomb to create a Waxed Block of Copper.
• Honeycomb can also be used, or applied with a dispenser to wax them.
  • Yellow particles are formed when waxing the block.
• Axes can be used to scrape off wax and oxidation (one stage at a time).
  • White particles are formed when scraping off wax from the block.
• Lightning may clean oxidation, reverting the oxidation process by one or several stages.
  • Chances of cleaning and number of reverted stages are higher the closer to the struck block.
• Can be crafted into cut copper.
• There are 7 variants in total.

Budding Amethyst

• Generates amethyst buds/clusters on any side that is exposed either to air or a water source block.
• Cannot be obtained when mined, even with Silk Touch, and does not drop anything.
• Breaks immediately if pushed by a piston or sticky piston.
  • Cannot be pulled by sticky pistons.
• Generates in amethyst geodes.

Calcite

• An off-white stone that generates in geodes, between smooth basalt and amethyst.

Candle

• Crafted with honeycomb and string.
• Comes with 16 dyed types and a yellowish non-dyed type.
• Can be lit by any item that produces fire.
• Up to 4 can be placed in a single block, similar to sea pickles, for a maximum light level of 12.
  • Only candles of the same color can be placed on the same block.
• Only one can be placed on an uneaten cake and lit.
  • If any of the cake is consumed, the candle pops off.
• Can be placed underwater, but cannot be lit.

Cave Vines

• A natural light source, with a light level of 14.
• Drop glow berries.
  • Growth can be sped up using bone meal.
  • Berries can be harvested by interacting with the vine.
• Grow from glow berries when placed on the underside of a block.

Cobbled Deepslate

• Drops from deepslate when mined with a pickaxe without Silk Touch.
• Can be used interchangeably with cobblestone and blackstone in crafting recipes of basic tools, furnaces and brewing stands.
• Can be crafted into respective stairs, slabs and walls, Polished Deepslate, Chiseled Deepslate, Deepslate Bricks and Deepslate Tiles, which can be used to craft their respective stairs, slabs, and walls (excluding Chiseled Deepslate).
  • Deepslate Bricks and Deepslate Tiles can also be smelted onto their cracked variants.
• Can be smelted back into deepslate.

Copper Ore

• Generates randomly underground in small veins.
• Copper ore generates uniformly between levels 0 and 63.
• Drops raw copper when mined.
• Can be smelted into a copper ingot.

Cut Copper

• Can be made into stair and slab variants.
• Oxidizes and changes texture over time.
• Can be stopped from oxidizing by combining it with a honeycomb to create Waxed Cut Copper.
• There are 7 variants in total.

Cut Copper Slab

• Oxidizes and changes texture over time.
• Can be stopped from oxidizing by combining it with a honeycomb to create a Waxed Cut Copper Slab.
• There are 7 variants in total.

Cut Copper Stairs

• Oxidizes and changes texture over time.
• Can be stopped from oxidizing by combining it with a honeycomb to create Waxed Cut Copper Stairs.
• There are 7 variants in total.

Deepslate

• A dark-gray stone found between Y = -1 to Y = -64 of the world.
  • Makes a gradual transition from stone to deepslate as the Y-level reaches 0.
  • Takes over fully underground starting from Y=-8.
  • Deepslate blobs can also be found between heights 0 and 16.
• Has a hardness value greater than that of stone but can be mined with any pickaxe.
• Drops cobbled deepslate when mined.
• Can be obtained only with a Silk Touch pickaxe.
• There are 19 variants in total, including

• Cobbled Deepslate Slab
• Cobbled Deepslate Stairs
• Cobbled Deepslate Wall
• Polished Deepslate
• Polished Deepslate Slab
• Polished Deepslate Stairs
• Polished Deepslate Wall
• Deepslate Bricks
• Deepslate Brick Slab
• Deepslate Brick Stairs
• Deepslate Brick Wall
• Deepslate Tiles
• Deepslate Tile Slab
• Deepslate Tile Stairs
• Deepslate Tile Wall
• Chiseled Deepslate

Deepslate Ore

• Added deepslate variants of all ores, including iron, gold, copper, coal, diamond, redstone, emerald, and lapis lazuli.
  • Deepslate ore variants for copper, emerald and coal ore do not generate by default; they have been added for use only by creators of maps and data packs.
• Takes twice as long to mine as normal ores.
• Has the texture of deepslate replacing the normal stone texture.
• Takes place of ores that generate in deepslate.
• Can be used in blasting and smelting recipes like normal ores.
  • These recipes can be unlocked in the recipe book with deepslate ores as well.

Dripleaf

• Allows an entity to stay on it for 1.5 seconds (30 ticks) before the entity falls through it.
  • The tilt happens in 3 stages: unstable, partial, and full. These can be seen in the F3 debug menu.
    • All the stages are solid except the full stage, which is when the player falls through.
    • When nobody is standing on it, it is set to none stage.
  • The tilt can also be triggered by hitting the plant with a projectile.
  • The tilt can be prevented by powering it with redstone, but hitting it with a projectile still causes it to tilt.
• Comes in two sizes: small and big. Small can be applied bone meal to grow into big.
  • Small dripleaf can be obtained only with shears (otherwise breaks) and can be planted on only clay, or underwater on clay and dirt blocks.
  • Big dripleaf can be obtained with any tool or by hand and can be planted on grass, dirt, and moss blocks.
• Both sizes can be found inside lush caves, which can currently only be accessed through the single biome, caves, or floating islands world types.

Dripstone Block

• A decoration block.
• Appears to be made of the same materials as stalactites and stalagmites but as a full cube.
• Generates mainly in the dripstone caves biome, which is currently available only through single biome, caves, or floating islands world types.
  • Dripstone clusters can also be found rarely in regular caves.
• Can be crafted from 4 pointed dripstone.

Glow Item Frame

• Placeable entities that appear to glow.
• Do not affect the light level, but appear as if lit up themselves.
• Items placed inside also glow.
• Crafted using an item frame and a glow ink sac.
• Includes application to maps.

Glow Lichen

• A naturally occurring light source found rarely in caves, growing on any face of a block.
• Has a light level of 7.
• Obtained with shears, otherwise breaks.
• Does not spread naturally, although bone meal can be used to spread it horizontally (or vertically if on the side of a block).
  • It spreads to adjacent spaces, up to 4.
• Can be waterlogged.
• Unlike vines, it does not pop off when underwater, and is not climbable.
• Up to 6 can be put on the same block space, merging into one block.

Hanging Roots

• Decorative blocks that can be placed only on the underside of a block.
• Obtained with shears, otherwise breaks.

Infested Deepslate

• An infested variant of deepslate.
• Spawn a silverfish when mined.

Light

• A new waterloggable source of light, originally from Bedrock Edition.
• Only available with commands such as /give.
• Behaves like air and it is visible only when the item is held, similar to barriers.
  • Unlike barriers, light blocks can only be targeted when holding the item.
• The light level it is emitting can be changed by interacting with it.

Lightning Rod

• Can be crafted with 3 copper ingots.
• Lightning strikes within a 32-block radius get redirected to the lightning rod.
  • Turns completely white when struck by lightning.
• Gives off a redstone signal with a strength of 15 if hit by lightning.
• Can be activated directly by throwing a trident with Channeling at it during a thunderstorm, though this does not produce a redstone signal.

Moss Block

• An opaque block with a grass-like texture on all sides.
• Can be fertilized with bone meal to grow grass, tall grass, Moss Carpets, and both types of azaleas on it and in its vicinity.
• Can be fertilized with bone meal to grow over (expand) across stone surfaces, but not grass surfaces.
• Breaks when pushed by a piston or sticky piston.
• Can be combined with cobblestone or stone bricks to make the mossy versions of those blocks.
  • Vines can still be used, in addition to moss blocks.
• Both axes and hoes are an appropriate tool to collect it.

Moss Carpet

• Same texture as the moss block, but one pixel thick.
• Can be crafted with moss blocks, or be obtained by applying bone meal to them.

Pointed Dripstone

• Can be either placed on a ceiling to create a stalactite or on top of a block to create a stalagmite.
  • Can be combined to form longer stalactites and stalagmites.
• Thrown tridents break pointed dripstone. They also break when pushed directly or with a block by a piston.
• Stalagmites break if not attached to something below.
• Stalagmites hurt entities that fall on top of them more than normal fall damage.
  • Damage is relative to height: For example, jumping on a stalagmite deals 2 of damage, and falling from 3 blocks deals 8 of damage.
• Stalactites can fall or break if unsupported, and break apart on impact, hurting entities they fall on.
  • Damage is relative to height: For example, one falling from 2 blocks deals 2 of damage, and one falling from 3 blocks deal 4 of damage.
  • They drip water or lava into cauldrons if a source block is placed above the stalactite, and gradually fill the cauldron. Water drips even without any water above the block (as does lava in the Nether) but this effect does not fill the cauldron.

Powder Snow

• A variant of snow, entities that walk over it sink into it.
• Leather boots can be worn to prevent entities from sinking into powder snow blocks.
  • Players can still crouch to descend with leather boots. Wearing leather boots also allows powder snow to be "climbed", like water or scaffolding. They also prevent fall damage when landing on powder snow.
  • Leather Horse Armor also protects horses from freeze damage.
• When inside a powder snow block, a frosty vignette appears around the player's screen and any entity (with the exception of strays, polar bears, and snow golems) inside starts freezing and taking damage after a short time.
  • Wearing any piece of leather armor stops the freeze effect.
• Can be collected and placed with a bucket.
• Entities on fire melt powder snow when colliding.

Rooted Dirt

• A dirt-like decorative block with roots on its texture.
• Similar to coarse dirt, neither mycelium nor grass spread to it.
• Using bone meal on any side grows hanging roots underneath.

Sculk Sensor

• A redstone component that detects vibrations.
• Currently, it does not generate naturally, available only from the Creative inventory or commands such as /give, but natural generation is planned for future versions.
• Senses vibrations such as block placement, footsteps, and projectiles, and emits a redstone signal.
• Emits particles when it senses a vibration nearby.
• A comparator connected to it emits different signal strengths based on what caused the signal.
• Does not detect ambient weather such as rain.
• Wool blocks between the sensor and the cause of the sound prevent the sensor from detecting the sound.

Smooth Basalt

• A basalt variant that composes the outer layer of amethyst geodes.
• Can be obtained by smelting basalt.

Spore Blossom

• Can be placed only on the underside of a block.
• Sends green particles downward when opened.
• Particles appear in the air around the block.

Tinted Glass

• A black variant of glass that is transparent to players, but does not let light through.
• Can be crafted with 4 amethyst shards and a glass block.
  • Stained glass cannot be used to craft tinted glass.
• Drops itself if mined without Silk Touch or even by hand, unlike glass.

Tuff

• A deep grayish stone that can generate in blobs between Y = 16 to Y = -64 of the world.

Items

Amethyst Shard

• Obtained from breaking amethyst clusters.
• The amount dropped can be increased with the Fortune enchantment.
• Can be used to craft tinted glass, blocks of amethyst, and spyglasses.

Bucket of Axolotl

• Obtained by using a water bucket on an axolotl, similar to fish.
• Can be used to carry around and empty out axolotls, also similarly to fish.

Bundle

• Crafted with 2 string and 6 rabbit hide.
• Used to store other items (except shulker boxes) inside of it.
• Can hold only one stack of items, but is able to hold different types of items inside of it.
  • Items with smaller stacks, such as ender pearls, take up more room in a bundle, and non-stackable items take up the whole bundle.
• The bundle's contents can be opened by pressing use while holding it, throwing out its entire content into the world. When destroyed as an entity, it drops the items it currently has as well.
  • Right-clicking a bundle in the inventory empties one item from the bundle.
• The player receives a tutorial when first having a bundle in the inventory.
• Even though bundles are not stackable, bundles can be nested.
  • Can hold up to 16 bundles.
  • Only empty bundles can be placed in other bundles without using commands.
• Has a GUI when hovering over it.
  • Shows contained items in its GUI's inventory slots when hovering over it, as well as fullness as a number.
• Note: Bundles can hold any amount of any item if added using commands.

Copper Ingot

• Obtained by smelting copper ore.
• Used to craft copper blocks, lightning rods, and spyglasses.

Glow Berries

• Can be eaten, restoring 2 ().
• Grow on cave vines.
  • Once harvested the vines will lose their Glow Berry texture.

Glow Ink Sac

• Dropped by glow squids when killed.
• Can be used to craft glow item frames.
• Can be used to make text glow on signs.

Powder Snow Bucket

• Obtained by using a bucket on powder snow.
• Can be used to place a powder snow block wherever it is used, or can be used to fill cauldrons with powder snow.

Raw Copper

• Drops from copper ore when mined with a stone pickaxe or higher without Silk Touch.
• Can be smelted into copper ingots.

Raw Gold

• Drops from gold ore when mined with a iron pickaxe or higher without Silk Touch.
• Can be smelted into gold ingots.
• Piglins attempt to pick up raw gold.

Raw Iron

• Drops from iron ore when mined with a stone pickaxe or higher without Silk Touch.
• Can be smelted into iron ingots.

Spawn Eggs

• Added Axolotl spawn egg.
• Added Goat spawn egg.
• Added Glow Squid spawn egg.

Spyglass

• Crafted with 2 copper ingots and an amethyst shard.
• When used, it zooms in on wherever the player is looking but limits their view to a square.
  • The scope texture is a glass square with a copper border.
  • The overlay that limits the view can be removed with a resource pack or by pressing F1.
• There is a unique animation for using the spyglass, which is visible in a third-person perspective or by another player.

Mobs

Axolotl

• Can spawn in underground water sources.
• The first amphibian added to Minecraft.
  • Dry out and start taking damage after 5 minutes of being out of water.
• Can be caught using a water bucket, like fish.
• Can be bred using tropical fish or buckets of tropical fish.
• Come in five different colors (leucistic, yellow, brown, white, and blue, which is rare).
  • Blue axolotls are very rare, with a ¹⁄₁₂₀₀ chance of spawning.
• Plays dead when damaged, receiving Regeneration I.
  • This regeneration ability is likely based on how real axolotls can regrow lost limbs.
• Attacks drowned, guardians, elder guardians, squids, glow squids and fish, dealing 2 damage.
  • They have a two-minute cooldown after hunting non-hostile targets such as fish and squids.
  • They prioritise attacking hostile mobs over passive ones.
• If a player kills a mob an axolotl is in combat with, the player gets a Regeneration I effect and is rid of Mining Fatigue, if they had it.

Goat

• Spawns in mountain biomes.
  • Currently a place holder until the new mountains are added.
• Can jump higher than other mobs to avoid obstacles, up to 10 blocks high.
• Takes reduced fall damage.
• Avoids powder snow by jumping over it.
• Can be bred with wheat to produce a baby goat.
• A bucket can be used on them to get milk.
• Do not drop anything.
• They have a 2% chance of spawning as a screaming goat, with different sounds.

Glow Squid

• Originates from the mob of the same name in Minecraft Earth.
• Underwater mob that behaves like a regular squid.
• Can spawn in underground water sources.
• Is attacked by axolotls without provocation.
• Drops glow ink sacs when killed.
• Does not affect the light level, but appears as if lit up. Glows in the same way that magma cube cores, vexes, blazes and the eyes of spiders, drowned, and endermen do.
• Stops glowing for a short time and swims away quickly after taking damage.

World generation

Caves

• Added new noise caves, which come in two types: "cheese" and "spaghetti" caves.
• Added flooded aquifer caves.
• The old "carver" cave generation still generates, combining with the new caves.
• Old caves have been improved to better blend with the new generation of caves.

Cheese caves

• Often form caverns of various sizes.
• Utilize noise generators for generation.
• Can form cave entrances when they intersect with the surface.

Spaghetti caves

• Long, narrow caves.
• Utilize noise generators for generation.
• Can form cave entrances when they intersect with the surface.

Aquifers

• Used to generate bodies of water in new caves.
• Currently used only below Y=31, meaning any noise caves between Y=31 and Y=63 are flooded with water (to be fixed in a later snapshot).
• Magma blocks may generate at the bottom of these new water bodies, creating downward bubble columns.
• Replaces the old underwater cave carvers/canyons.
• Fish spawn in aquifers if it is under an ocean or river.

Amethyst Geodes

• A new feature found uncommonly underground (can rarely appear exposed to the surface close to sea level).
• Contains blocks of amethyst and budding amethyst blocks, which are encased in a shell of calcite and smooth basalt.
  • Also generates with a small air pocket nearby that may open into the geode.
• Generally generates at or below sea level (y = 63).
• Most commonly generates at lower levels (y = 0 to y = 40)
• Overrides standard caves and ravines, but is overridden by abandoned mineshafts.
• Currently has a high generation rate, presumably for testing purposes as with ruined portals in the 1.16 snapshots.

Azalea Tree

• Generate above lush caves, either on the surface or underground.
• Consist of azalea leaves (both variants), oak logs and rooted dirt.

Crack carvers

• Deep, long and narrow cracks in the ground that are thinner and straighter than canyons.
• Can reach over 90 blocks in depth.
• They are very similar to ravines in Bedrock Edition.

Dripstone Caves

• A new underground biome, consisting of a massive cave biome containing vast quantities of stalactites and stalagmites.
• Made up of primarily dripstone blocks and stone, with large clusters of dripstone blocks hanging from the ceiling, pointed dripstone on the floor and ceiling, and many pools of water.
• Does not yet generate naturally in normal worlds, and can be generated using only buffet worlds with "Dripstone Caves" selected as the source biome or using custom world.

Lush Caves

• Generate below azalea trees.
• Can be reached by following azalea roots underground.
• Adaptive to the environment: every type of cave generation can be a lush cave.
• Moss covers the floors and ceilings, along with moss carpets and tall grass on the floors.
• Spore Blossoms grow from the ceiling and drip particles.
• Contains clay pools where dripleaf plants grow out of them.
• Contains azalea bushes (both variants).
• Cave vines with glow berries grow from the ceiling and light up the caves.
• Does not yet generate naturally in normal worlds, and can be generated using only buffet worlds with "Lush Caves" selected as the source biome or using custom world.

Command format

/item

• Modifies the inventory of a block or entity.
  • This command has three forms:
    • /item <target> replace <item stack> [<count>] – same as old /replaceitem
    • /item <target> modify <modifier> – modifies item (without copying).
    • /item <target> copy <source> [<modifier>] – copies item for source to target(s), optionally applying modifier
  • Possible sources and targets: entity <selector> <slot> or block <x> <y> <z> <slot>
  • For example, /item block ~ ~ ~ container.0 copy entity @s enderchest.0 copies the first item from player's enderchest to the first slot of the container player is currently standing on.
  • Replaced /replaceitem.

Item modifiers

• Reuse functions syntax of a loot table to describe item modification in /item command.
• The function part of loot tables can now be defined as separate data pack resource in item_modifiers directory.
  • Such files can contain a single function (i.e single JSON object) or an array of functions.

Gamerules

• freezeDamage
  • Whether entities take damage from freezing inside of powder snow.
• playersSleepingPercentage
  • Controls what percentage of players must sleep to skip the night.
  • When set to 0 or a negative value, a single player is sufficient to skip the night. The sleeping animation occurs as normal.
  • When set over 100, the night cannot be skipped.
  • Set to 100 by default.

Gameplay

Death messages

• Added 6 new death messages:
  • "<player> froze to death"
  • "<player> was frozen to death by <entity>"
  • "<player> was skewered by a falling stalactite"
  • "<player> was skewered by a falling stalactite whilst fighting <entity>"
  • "<player> was impaled on a stalagmite"
  • "<player> was impaled on a stalagmite whilst fighting <entity>"

Loot tables

• New condition: value_check
  • Checks range of value.
  • Parameters:
    • value – see "New value providers" section (currently combination of random generators and score)
    • range – min/max range
• New functions:
  • set_enchantments
    • Modifies enchantments on item.
    • Parameters:
      • enchantments – map of enchantment id to level value (can be score or random number)
      • add – if true, change is relative to current level. If false, level is replaced with current value (default behavior)
  • set_banner_pattern
    • Sets tags needed for banner patterns. Parameters:
      • patterns - list of pattern objects:
        • pattern - name of pattern (square_bottom_left, bricks, etc.)
        • color - name of color (light_gray, etc.)
      • append - if true, new elements are appended to existing ones instead of replacing
• New value providers: score
  • Returns scaled scoreboard value.
  • Parameters:
    • score – scoreboard name
    • target – same as target in score predicate
    • scale – scaling factor (float)

General

The alternative Mojang Studios loading screen that appears when the Monochrome Logo option is turned on

Acessibility

• Added an alternative solid black background color for the Mojang Studios loading screen, toggleable with the “Monochrome Logo” accessibility category in options.

Controls

• Added F3 + L shortcut to generate and persist performance metrics from in-game, similar to /debug.
  • Metrics are saved in .minecraft/debug/profiling/<timestamp>.zip.

Data Packs

• Added  aquifers_enabled,  deepslate_enabled and  noise_caves_enabled to worldgen/noise_settings/*.json.

Particles

• Added 15 new particle types: dripping_dripstone_lava, dripping_dripstone_water, dust_color_transition, electric_spark falling_dripstone_lava, falling_dripstone_water, falling_spore_blossom, glow, glow_squid_ink, scrape, snowflake, spore_blossom_air, vibration, wax_off and wax_on.

Shaders

• Are now included for all supported render states.
• Any shader except for the blit shader can also be replaced in resource packs.
• For now replacing these shaders is not officially supported and the way it works may change in the future.
• Current rendering engine uses a system similar to the post-processing shader pipeline. There are some differences between both systems that cater to the slightly different requirements.

Tags

• Added the axolotl_always_hostiles entity type tag.
  • Contains drowned, guardian and elder guardian.
  • Axolotls are always hostile towards entities in this tag.
• Added the axolotl_hunt_targets entity type tag.
  • Contains tropical fish, pufferfish, salmon, cod, squid and glow squid.
  • Axolotls exhibit the cooldown-based "hunt" behavior towards entities in this tag.
• Added the axolotl_tempt_items item tag.
  • Contains the tropical fish item and bucket of tropical fish.
  • Items in this tag can be used to tempt axolotls.
• Added the candle_cakes block tag.
  • Contains all 17 types of candle cake.
  • Blocks in this tag are considered candle cakes and can be lit if they have the lit block states set to false.
• Added the candles block and item tags.
  • Contains all 17 types of candles.
  • Blocks in this tag are considered candles and can be lit if they have the lit, and waterlogged block states and both are false.
  • Cakes use this tag to determine if a candle item can be placed on it or not.
• Added the cauldrons block tag.
  • Contains cauldrons, water cauldrons, lava cauldrons, and powder snow cauldrons.
  • This tag is used in certain pathfinding processes.
• Added the cave_vines block tag.
  • Contains the cave vines body block and cave vines head block.
• Added the coal_ores, copper_ores, diamond_ores, emerald_ores, iron_ores, lapis_ores, and redstone_ores block and item tags.
  • Contain the normal and deepslate variants of each ore type.
• Added the cluster_max_harvestables item tag.
  • Contains all pickaxes.
• Added the crystal_sound_blocks block tag.
  • Contains amethyst blocks and budding amethyst.
  • Blocks in this tag play the "amethyst block chime" sound repeatedly for a short amount of time after being stepped on, gradually decreasing in volume.
• Added the deepslate_ore_replaceables block tag.
  • Contains deepslate and tuff.
• Added the dirt block tag.
  • Contains dirt, coarse dirt, podzol and rooted dirt.
  • Grass, tall grass, ferns, tall ferns, sweet berry bushes, saplings, flowers, azaleas, sugar cane, and dead bushes can be placed in blocks in this tag.
  • Pumpkins and melons can grow into blocks in this tag.
• Added the dripstone_replaceable_blocks block tag.
  • Contains the base_stone_overworld block tag and dirt.
  • Used in dripstone generation to determine what dripstone can replace and what pointed dripstone can generate on.
• Added the fox_food item tag.
  • Contains sweet berries and glow berries.
• Added the freeze_hurts_extra_types entity type tag.
  • Contains striders, blazes and magma cubes.
  • Entities in this tag take 5 times more damage from the freezing effect.
• Added the freeze_immune_entity_types entity type tag.
  • Contains strays, polar bears and snow golems.
  • Entities in this tag cannot be frozen.
• Added the freeze_immune_wearables item tag.
  • Contains leather horse armor, leather boots, leather pants, leather tunic, and leather cap.
  • Having an item in this tag in an armor slot prevents entities from freezing.
• Added new game_events tag type.
• Added the ignored_by_piglin_babies item tag.
  • Contains leather.
  • Baby piglins do not attempt to pick up items in this tag. Adult piglins are unaffected. Baby piglins still follow the other rules adult piglins follow.
    • If an item is in this tag while simultaneously being recognized as a wanted item by piglins, this tag takes precedence.
• Added the ignore_vibrations_sneaking game event tag.
  • Contains the step, swim, falling, and shooting projectile events.
  • Game events in this tag are ignored by sculk sensors if the source entity is sneaking.
• Added the inside_step_sound_block block tag.
  • Contains snow and powder snow.
  • Blocks in this tag create snow stepping noises while the player walks in them.
• Added the lush_ground_replaceable block tag.
  • Contains the #lush_plants_replaceable block tag, clay, and moss block.
• Added the lush_plants_replaceable block tag.
  • Contains the #base_stone_overworld block tag, the #cave_vines block tag, dirt, gravel and sand.
• Added the occludes_vibration_signals block and item tag.
  • Contains the wool block and item tag.
  • Blocks in this tag prevent sculk sensors from hearing vibrations if the block is between the sculk sensor and the vibration.
  • As thrown entities, items in this tag do not trigger vibrations.
• Added the piglin_food item tag.
  • Contains raw and cooked porkchop.
  • Piglins can eat items in this tag.
    • Eating refers to the piglin seeking out and picking up an item without appearing in its inventory, thus vanishing.
• Added the powder_snow_walkable_mobs entity tag.
  • Contains foxes, rabbits, endermites, and silverfish.
  • Entities in this tag can walk on top of powder snow.
• Added the snow block tag.
  • Contains snow, snow blocks and powder snow.
  • Blocks in this tag turn blocks with a snowy variant below them (like grass) into said snow variant.
• Added the stone_ore_replaceables block tag.
  • Contains stone, granite, diorite, and andesite.
• Added the vibrations game event tag.
  • Contains every game event.
  • Game events in this tag trigger sculk sensors.

Textures

• Added a block texture named root_vines_head.png.
  • This texture is unused in-game.
• Removed some unused textures, including:
  • The "calibrated sculk sensor" textures.
  • The texture for the zombie villager before 1.9.
  • The "arrow.png" placed outside of the arrow folder that included the purple arrow texture.
  • The ruby item texture.
  • The piglin leather armor models.
  • The footprint particles.

Changes

Blocks

Banners

• The unused "base" pattern has been renamed to the "field" pattern and given proper translation strings (its ID is still "base").

Beacon

• Beacon beams are now visible up to 1343 blocks away from the source instead of 256 blocks.

Blackstone, gilded blackstone, polished blackstone bricks, and cracked polished blackstone bricks and stair, slab and wall variants

• Slightly changed the texture.

Brewing Stand

• Changed potion icon in the brewing stand GUI to reflect the new bottle texture in the Texture Update.
• Removed some stray pixels from the GUI texture.

Cakes

• Have a variation called "Candle Cake".
  • Can be created by using a candle on an uneaten cake.
  • The candle on the cake comes in 17 colors, depending on the color of the candle used to create it.
  • The candle pops off when any of the cake is eaten.

Cauldrons

• Can now be filled with lava and powder snow.
  • Lava-filled cauldrons can damage players and mobs inside of them, and give off a redstone comparator signal of strength 1.
  • Powder snow cauldrons are formed when cauldrons are under the sky during snowfall.
  • Can also be filled with powder snow by using a powder snow bucket on it.
• Have been split into normal, water, lava, and powder snow cauldrons.

Composter

• Some items are now compostable:
  • 30% chance: non-flowering azalea leaves, glow berries, moss carpet, small dripleaf, hanging roots.
  • 50% chance: flowering azalea leaves, glow lichen.
  • 65% chance: spore blossoms, non-flowering azalea, moss blocks, big dripleaf.
  • 85% chance: flowering azalea.

Dispenser

• Can now place powder snow using a powder snow bucket.
  • Also can remove it using a bucket.
• Can be used to wax copper blocks with Honeycomb.

Grass Block

• Changed part of the dirt of the side texture of snowy grass to match regular grass.

Grass Path

• Renamed to "Dirt Path", as per Bedrock Edition.
  • The block ID has also been changed to dirt_path.
• Can now be made with dirt, coarse dirt, mycelium, and podzol by using a shovel.

Lapis lazuli block

• Renamed to "Block of Lapis Lazuli".

Lectern

• Slightly shrunk top part to prevent z-fighting with fire.

Ores

• Texture changes (all overworld ores except diamond) had the shape of the "ore pattern" in the stone changed to make them visually distinct for colorblind players:

Name	Old texture	New texture	Deepslate texture
Coal Ore
Diamond Ore
Emerald Ore
Gold Ore
Iron Ore
Lapis Lazuli Ore
Redstone Ore

Pistons

• Particles now appear if a block is broken by a piston.
  • Sounds, however, do not play.
• Breaks Budding Amethyst if pushed/pulled with a piston/sticky piston.

Pumpkin

• Changed one pixel on the pumpkin's top texture to remove the possibility for a small swastika to be displayed.

Rails

• Are now able to be waterlogged.
• No longer break when contacted by water.

Signs

• Changed the textures of acacia, birch, dark oak, jungle, oak, and spruce signs to reflect new textures in the Texture Update.
• Can now be tinted with glow ink sacs to make the text glow.
  • Glowing signs do not affect the light level, but appear as if the text itself is illuminated.
  • A new lit block state had been added to indicate whether the sign text is lit up.
  • Regular ink sacs can be used to remove the glowing effect.
  • Now has sounds for being dyed.

Smoker

• Changed the top texture of the smoker.

Stonecutter

• Can be used to craft the different copper block variants.

Structure block

• Default mode of structure blocks is now "Load". "Data" is now hidden by default.
• "Data" can be accessed by clicking the mode button while holding the Alt key.

Water

• Flowing water no longer breaks rails.

Items

Clock

• The texture has been changed from to

Compass and Lodestone Compass

• The texture has been changed from to

Firework Rockets

• Simple firework rockets with one gunpowder can now be crafted using the recipe book.

Jungle Doors

• Changed the texture of the jungle door item to reflect the block texture in the Texture Update.

Pufferfish

• The strength of the poison effect has been decreased from IV to II.

Shulker boxes

• They now drop their items when destroyed as entities.

Spectral Arrows

• Fired spectral arrows are now entirely golden to reflect the item texture in the Texture Update.

Sugar Cane

• Changed the texture of the sugar cane item to better reflect biome tinting added in 1.7.2.

Suspicious Stew

• Can now be eaten even if the player is at full hunger.

Mobs

Cats

• Changed the texture of the siamese cat type, mostly brightening it.

Drowned

• Now have a chance of dropping a copper ingot instead of a gold ingot.

Endermen

• Can now pick up rooted dirt, flowering azaleas and flowering azalea leaves.

Foxes

• Eat glow berries.

Guardian and Elder Guardian

• Removed some stray pixels from the texture file.
• Now drop cooked cod or salmon instead of raw cod or salmon if on fire when killed or killed by a fire source.

Husk, zombie and zombie villager

• Now drop baked potatoes instead of normal potatoes if on fire when killed or killed by a fire source.

Polar bears

• Now drop cooked cod or salmon instead of raw cod or salmon if on fire when killed or killed by a fire source.

Shulkers

• If a shulker is hit by another shulker's projectile, it now has a chance of spawning a new shulker. Shulkers are more likely to spawn new shulkers when there are fewer shulkers nearby.

Skeletons

• Begin the process of turning into strays when they are inside powder snow after 7 seconds (140 game ticks).

Slime

• The maximum size that slimes can be summoned with is now 128.

Villagers and Zombie Villagers

• Moved the librarian top overlay texture to correct side of torso.
• Mason villagers can now sell 4 dripstone blocks for an emerald.
• Can now accept a filled cauldron as a valid workstation.

Wandering Traders

• Added the following trades to the wandering trader:
  • Will sell 2 small dripleafs for an emerald.
  • Will sell 2 pointed dripstones for an emerald.
  • Will sell 2 rooted dirt for an emerald.
  • Will sell 2 moss blocks for an emerald.

Non-mob entities

Experience Orbs

• Now sometimes merge when in large quantities, to improve performance.
  • Merging does not affect the amount of experience gathered from collecting the merged orbs.
• No longer follow dead players.

Minecarts

• Can now move in water, but move considerably slower than they do on land.

Paintings

• Changed the back texture to reflect the texture of the planks in the Texture Update.

World generation

Biomes

• Biome-specific sky colors now blend more smoothly.

Caves

• Added more variation to cave carvers.

Chunks

• The Overworld now has a total height of 384 blocks.
  • The world has been extended 64 blocks up and 64 blocks down, which means it's now possible to build from layer -64 to layer 319 in the Overworld.
  • Ore placement below Y=0 is temporary.

Fossils

• The fossils in the deepest part of the underground generate with Deepslate Diamond Ore instead of Coal Ore.

First ore distribution change.

Second ore distribution change.

Third ore distribution change.

Mineral distribution

• Changed ore generation of all ores making them have a spread value like lapis lazuli ore. Some still retain a linear generation alongside a spread generation.
• Coal ore and emerald ore no longer generate below Y=0.
  • Emerald ore generates above Y=32 (up to Y=480 in custom worlds) as a spread, peaking at Y=256 and decreasing in quantity as the altitude decreases.
  • Coal ore attempts to generate twice: once, evenly between an altitude of Y=136 and Y=256; and as a spread, peaking at an altitude of Y=96 and generating between an altitude of Y=0 and Y=192, the latter with 50% blocks exposed to air skipped.
• Other ores also generate differently.
  • Iron ore attempts to generate thrice: once as a spread peaking at an altitude of Y=256, generating above Y=128 (up to Y=384 in custom worlds); another as a spread peaking at Y=16 and generating with a minimum height of Y=-24 and a maximum height of Y=56, peaking at an altitude of 16; and another below Y = -32.
  • Gold ore generates between the altitudes of Y=-64 and Y=32, peaking at Y=-16, with 50% blocks exposed to air skipped. The extra gold that generates in the badlands biome was left untouched.
  • Lapis lazuli ore attempts to generate twice: once, as a spread between the altitudes of Y=32 and Y=-32, peaking at an altitude of 0; and evenly between an altitude of Y=64 and Y=-64, generating buried like ancient debris.
  • Redstone ore attempts to generate twice: once, evenly between an altitude of Y=15 and Y=-64; and as a spread, peaking at an altitude of -64 and generating below an altitude of Y=-32 (down to Y=-96 in custom worlds).
  • Diamond ore now generate as a spread, generating below Y=16 and peaking at altitudes near y = -64, with 50% blocks exposed to air skipped.
• Tweaked size and positioning of diorite, andesite & granite generation.
  • Pockets of diorite, granite, and andesite are now larger and more spherical but less common.
  • Diorite, granite, andesite, gravel and dirt no longer generate below Y=0.
• Deepslate now generates as the dominant stone below Y=0.
  • Tuff generates as well.

A 1.17 Mineshaft

Mineshafts

• Mineshaft pieces no longer generate if they were fully floating in the air.
• Corridors now generate with wooden logs as pillars for support, or chains and oak fences as hanging support if needed.
• Cobwebs no longer generate floating without an adjacent block.
• Glow berries can be found in mineshaft chest minecarts.

Shipwrecks

• Moss blocks can be found in chests.

Strongholds

• Are now encased in stone and/or deepslate, depending on the depth.

Command format

/give

• The give command can give only up to 100 stacks of items at a time (e.g. 6400 stone or 100 iron swords)

/replaceitem

• Removed /replaceitem command.
• Replaced with /item replace.

/spawnpoint

• Can no longer set a player's spawn point to areas that are out of the world.

Gameplay

Absorption effect

• The yellow absorption hearts now stay yellow if the player has the Poison or Wither effects, instead of appearing empty.

Advancements

• Glow berries are now required for "A Balanced Diet".
• Goats and axolotls are now required for "Two by Two" and available for "The Parrots and the Bats".
• The advancement for obtaining diamond armor is now capitalized as "Cover Me with Diamonds", as opposed to "Cover Me With Diamonds".

Build limit

• The message for letting the player know they are attempting to build beyond the build limit no longer says "blocks" at the end.

Glowing

• Glowing is now based on the outline of all layers on an entity, not just the base layer.

Loot tables

• Loot tables can now access scoreboard values by UUID.
• Loot table values inside random number generators can now be nested.
• Changed condition: score
  • entity parameter has now been replaced with target. It can either contain value from old entity field (like this) or be an score holder name in form {"name": "..."}.
• Changed function: set_damage
  • This function now has add parameter. If true, change is relative to current damage. If false, damage is replaced with current value (default behavior)
• Changed function: set_count
  • This function now has add parameter. If true, change is relative to current item count. If false, item count is replaced with current value (default behavior)
• Changed function: copy_nbt
  • source parameter can now be set to {"storage": <namespaced id>}, to access command storage.

NBT data

• All projectile entity data now has a field called HasBeenShot.
  • If this field is false, during the next tick the projectile fires a projectile shot game event, causing any nearby sculk sensors to react.

Recipe Book

• Some recipe-unlocking advancements had criteria names changed.
• The chiseled nether bricks recipe is now unlocked by having a nether brick slab instead of a nether brick block.
• The chiseled polished blackstone crafting recipe is now unlocked by having a polished blackstone slab, instead of polished blackstone.

Snowfall

• During snowfall, cauldrons under the sky now slowly fills with powder snow.

Spawning

• Added a new mob cap category, underground water creature.
  • Used by axolotls and glow squids.
  • Have a cap of 5, are friendly, are not persistent and despawn at 128 blocks or more from the player.

Spectator mode

• It is now possible to see while inside lava.

Subtitles

• Changed Shulker bullet explodes to Shulker Bullet explodes.
• Changed Shulker bullet breaks to Shulker Bullet breaks.
• Changed the subtitles for stripping logs and wood from "Axe scrapes" to "Axe strips".
  • "Axe scrapes" is now used for copper blocks.

General

Block Models

• Made the vine's block model much simpler.

Code

• Unused parts of code (unused static fields and methods) are no longer removed.
  • Although this does not affect the game itself, it adds more information for modders.

Creative inventory

• The Redstone Tab has been reordered to prioritize highly-used blocks.
• Redstone items/blocks have been grouped and ordered in the following way (from top to bottom): Essentials, Unique activators, Miscellaneous, Common activators, and Openables.
  • The category for the recipe book advancements for these recipes has moved as well.

Custom dimensions

• Added height and min_y variables to dimension types, allowing for the height limit to be increased in custom worlds settings.

Data and Resource Packs

• Changed the pack_version number in pack.mcmeta from 6 to 7.
• Changed the resource pack version number from 6 to 7, as the following have been changed:
  • Drowned texture mirroring has changed.
  • Slots for the game mode selector are now 26 pixels instead of 25.
• Data pack version is also changed to 7.

Dedicated servers

• A dedicated server can enforce custom resource packs by setting require-resource-pack in server.properties. When this option is used, players are prompted for a response and get disconnected if they decline the required pack.

Entity storage

• Entities have been extracted from main (terrain) chunks and are now stored in separate entities directory (similar to POI storage). Those new files are still region files with NBT.

Game library updates

• Rendering is now using OpenGL 3.2 core profile.
  • All fixed-function rendering has been replaced with shader-based rendering.
• The game now uses javabridge 1.1.23 instead of 1.0.22.

Languages

• Removed the Gothic, Kabyle, Maori, Mohawk, Nuk, Ojibwe, and Talossan languages as their translations were incomplete.

Materials

• Removed the coral material.
• Added the moss material.

Menu screen

• Buttons tied to a set of values can now be scrolled through.
• Clicking ⇧ Shift on a menu button changes it to the previous value.
• The debug mode can now be accessed only by holding Alt instead of ⇧ Shift while clicking on the world type button.

Obfuscation map

• Changed the license included in the obfuscation map.

Resource packs

• Improved performance when using many overrides on an item model.
• toasts.png GUI texture has a new icon for the bundle tutorial.

Servers

• Removed the max-build-height server setting.
• Changed the error message for failing to connect to the authentication servers. Now says they are "not reachable" instead of "down for maintenance".

Splashes

• Changed the splash "OpenGL 2.1 (if supported)!" to "Now on OpenGL 3.2 core profile!"

Tags

• Added azalea leaves and azalea leaves flowers to the leaves block and item tags.
• Added flowering azalea leaves and flowering azaleas to the small_flowers block and item tags.
• Added deepslate and tuff to the base_stone_overworld block tag and deepslate to the stone_crafting_materials, and stone_tool_materials item tags.
• Added deepslate gold ore to the gold_ores block and item tags.
• Added all copper slab and stair variants, as well as various deepslate variants to the slabs, stairs, and walls block and item tags.
• Added cave vines and cave vines plant to the climbable block tag.
• Added tinted glass to the impermeable block tag.
• Added raw gold to the piglin_loved item tag.
• Changed the bamboo_plantable_on, and enderman_holdable block tags to use the dirt block tag, removing other mentions of dirt blocks from the tags.

Translation strings

• The "World Type" string no longer contains a colon (":"). The colon is still visible in-game, however.
• Changed "Use VSync" to "VSync".
• Removed the unused string for enabling VBOs, "Use VBOs".
• Added strings, "Mode", "Type", "Triggering", and "Track output". These are read out by the narrator for buttons in the command block UI.

World Selection

• Added unique warnings for downgrading a world.

Planned additions

Please note that the names of many features are currently placeholders. They may be marked with the template .

Blocks

Clay Pot

• Uses the texture of clay.
• Ceramic Shards can be incorporated into an unfired pot.
• Can be fired by lighting fire under the pot.
• Pot can fit up to 8 Ceramic Shards.

Painted Clay Pot

• Uses the texture of terracotta.
• Created by firing a clay pot.
• Upon firing, any placed Ceramic Shards become permanently incorporated onto the clay pot.

Sculk Block

• Generates in the mysterious new cave biome, referred to as the "deep dark" temporarily.
• Has an animated texture.
• May be used in redstone.

Sculk Trap

This image shows the sculk blocks in the Redstone tab in creative mode, implying that the other sculk blocks also have redstone uses.

• Generates in the deep dark biome.
• Has a different top texture than the Sculk Block and Sculk Chute.
• May be used in redstone.

Sculk Chute

• Generates in the deep dark caves.
• Made of sculk and a bone-like material.
• May be used in redstone.
• Glows but does not emit light, similar to the glow squid or the glow item frame.

Sculk Veins

• Generates in the deep dark cave biome.
• Generates in a layer on top of blocks, similar to snow.
• Can be placed in all directions, like glow lichen.
• Some have parts that are transparent, allowing the player to see the block it is on top of.
• May be used in redstone as seen in this video when they talk about the sculk sensor.

Processing rubble

• A technical block associated with archaeology.
• At least comes in dirt and gravel variants.
• Created upon using a brush on what appears to be normal dirt or gravel.
• Has 16 layers.

Items

Brush

• Used to sweep debris away from archaeological items.
• Sweeps debris off archaeological items one layer at a time. If interrupted, the block it was being used on simply disappears, and does not yield custom block heights.
• Also comes in a blue-green variant.

Ceramic Shards

• Obtained with a brush at archeological sites.
• Come in different colors and different designs, each depicting a different picture, such as an ender dragon, a cow, Alex, a skeleton, a tree and a vindicator.
• Can be placed/customized on clay pots.
• Currently using placeholder art, according to Jasper Boerstra.

Spawn Eggs

• The Warden spawn egg is visually confirmed but not yet implemented.

Mobs

Warden

A picture of the Warden and Iron Golem standing side by side

• Spawns in the new deep dark biome.
• The first fully blind mob (bats, despite relying almost exclusively on echolocation, still have basic eyesight).
• When sensing movement, it moves toward the source of the movement.
  • It follows and attacks players, mobs, and other entities that make vibrations.
    • It does not attack other Wardens.
  • When attacked, it path finds toward the player.
  • Seems to follow the same rules as the sculk sensor when detecting noise.
    • When it detects a vibration, the growths on its head rattle and light up, similar to the sculk sensor.
  • If any projectile (e.g. egg, snowball, arrow) lands near the Warden, the mob inspects the location where the projectile landed, due to the projectile creating movement and noise. This feature can be used in order to cause a distraction.
  • Does not detect players that are sneaking.
  • Can detect players that are invisible.
  • When aggravated for long enough, the warden follows the player continuously, regardless of any other distractions.
• Incredibly strong, doing 30 × 15 damage, bringing players wearing full netherite armor from full health to 7 health points.
• A mob designed to be extremely difficult and fled from.
• Has a way to counter the strategy of building up 3 blocks to avoid attacks.
• At least as fast as the player's walking speed.
• Seems to have knockback resistance.
• The warden's chest has a glowing core that appears to brighten and dim in tandem with the ambient lighting of the deep dark cave biome.
  • The core creates a low throbbing sound as it pulses. The sound and animation seem to speed up rapidly when the warden notices a player.
• Is about 3.5 blocks tall, making it one of the tallest mobs in the game, exceeding the iron golem and enderman in height and width (the same).

World generation

Deep dark biome

• New biome at the "deepest depths of the world".
• Wardens can spawn here.
• Contains sculk blocks and sculk sensors.
• Contains deepslate.
  • Likely generates within the deepslate layer between -1 Y and -64 Y.
• May contain candles.

Mesh caves

• Seems to be possibly a large tunnel-like cave generation.
• Not much is known about this cave variation yet, but it was confirmed on Twitter by Henrik Kniberg.
• Possibly contain "catacomb" style branching cave sections.

General

• More extreme and smooth terrain.
• Likely change to the generation of alternate stone types, to make them appear in larger but less numerous deposits.
  • Possibly seen in a screenshot tweeted by Henrik Kniberg, in which diorite appears to generate in a long and flat horizontal strip, rather than a small unevenly shaped patch.
• Ore generation has further rebalancing and influences the surrounding stone.

Gameplay

Archaeology

• The player can find items and blocks in gravel and dirt inside the dig site structure by using the brush.
• Possible items shown in the preview footage include:
  • Ceramic shards of varying color that depict different images.
  • Diamond blocks and emerald blocks are probably not a part of this list and serve as a placeholder for something else.

Dimming of light

• While in the deep dark cave biome, the ambient lighting occasionally dims temporarily, limiting the player's visibility. This serves as a warning that the warden is nearby.

Planned changes

World generation

Mountains

The preview of updated mountain generation given during Minecraft Live 2020.

• Height dependent generation using the 3D biome format.
• 5 New mountainous sub-biomes added:
  • Lofty Peaks
  • Snow Capped Peaks
  • Snowy Slopes
  • Mountain Grove
  • Mountain Meadow
• Revamped, featuring some new small spruce trees on the slopes and ice or packed ice above the peaks.
• Contain goats, snow blocks, and powder snow.

Mineral veins

• Some stone appears a little different and when that stone is mined, more of the ore should be found behind it.

Other Stones

• Diorite or calcite and what appears to be tuff spawn in layers of stone in straight lines instead of splotches.

An example of how the other stones may generate

Unconfirmed features

Structures

Underground Cabin

• Seen in the Deep Dark biome during the Minecraft Live 2020 stream.
• Consists of a chamber with a cobblestone floor and stripped log support beams, containing 3 barrels, a blast furnace, and a large chest, with cobwebs and candles in and around it.
• May possibly not be a generated structure, but instead a construction built for the purpose of the Warden showcase.

Excavation Site

Excavation site shown in the stream

• Seen when showcasing the archaeology feature during the Minecraft Live 2020 stream.
• Consists of some tents made from wool, chests that contain brushes and a ruin like structure beneath.
• May possibly not be a generated structure but mentions of this structure were heard.

Fixes

203 issues fixed

From released versions before 1.17

• MC-1483 – Snow covered grass/podzol/mycelium block side texture does not match original block.
• MC-2490 – TNT animation ends at 80 ticks, ignores fuse length changes.
• MC-3366 – End portal appears transparent from below.
• MC-3615 – Lava and water are completely transparent at certain height levels.
• MC-9591 – Players are able to create ghost lily pads.
• MC-12363 – Lava / water / powder snow bucket desync when using it while rapidly turning.
• MC-18880 – The Absorption effect has no texture for poison/wither hearts (appears empty instead).
• MC-29318 – Client misses inventory updates while player is manipulating items - causes invisible items.
• MC-32452 – Fog generates only in the centre of the screen.
• MC-46650 – When flying through blocks in spectator mode in F5, the camera zooms in and out a lot.
• MC-53518 – Endermen don't attack endermites spawned using spawn eggs or /summon.
• MC-70738 – Killing guardian with lava does not give cooked fish.
• MC-70850 – False negatives during occlusion culling.
• MC-71530 – Spectators can't see through lava.
• MC-80468 – Inconsistency between block names.
• MC-84121 – Shape of glow effect is based on mob's base layer.
• MC-86645 – Scroll bar goes higher than chat overlay.
• MC-87019 – Only visible slots are updated clientside when you are inside an inventory.
• MC-89880 – Spawner with weight 0 crashes the game.
• MC-91522 – Shulker rendering position desync and generates ghost shulker when destroying shulker-ridden boat or minecart.
• MC-92349 – Players cannot tempt animals with food while other players are closer to the animal.
• MC-92867 – Setting JSON text value to null throws exceptions and crashes.
• MC-93243 – Fog Rendering On AMD Graphics Cards & Integrated Graphics.
• MC-96114 – Shulker can lift up mobs.
• MC-96322 – Shulkers are unable to attack from boat.
• MC-98219 – Experience orbs follow dead players.
• MC-99098 – Shulker open and close hitbox is not updated, when they ride boat, minecart or mobs.
• MC-99259 – The wither health bar doesn't go up during spawn.
• MC-102269 – Polar bears drop raw fish instead of cooked fish when killed with fire or lava.
• MC-103430 – Vines breaking too slow (enchanted shears).
• MC-105035 – Floating mineshafts generating incorrectly in shade.
• MC-105344 – Shulkers in boats and minecarts do not sit up if previousely attached to blocks sideways.
• MC-108469 – Chunk-wise entity lists often don't get updated correctly (entities disappear).
• MC-108636 – There are a number of unused texture files.
• MC-108717 – Shulkers cannot be pushed back.
• MC-110903 – Cannot remove horse saddle using /replaceitem.
• MC-111196 – Using a monster spawner to spawn shulkers spawns white shulkers.
• MC-112147 – Lava burning items or XP orbs sound muted when "Friendly Creatures" slider is turned off.
• MC-113177 – Shulkers cannot be pushed inside non-solid blocks.
• MC-119051 – Random transparent line in shulker box GUI texture.
• MC-121897 – Gaps in an animation's used frames throws ArrayIndexOutOfBoundsException.
• MC-123587 – Kicked from the game when reaching y levels over 30,000,000.
• MC-124109 – Horses glitched with glowing effect.
• MC-124667 – Air can be used in custom recipes, causing a crash.
• MC-127201 – /replaceitem makes quite an obnoxious sound, which is not heard by the person whose items are being replaced.
• MC-127692 – Experience build up in furnace when using a hopper, which can cause severe lag.
• MC-130098 – Debug world spawns player at y=2 instead at y=70 where all the blocks are.
• MC-130449 – Cartographer villager freezes or crashes the game when unlocking explorer maps.
• MC-130584 – When a structure loads, water sources in the structure spread into waterloggable blocks.
• MC-131564 – Models that have locked uv in blockstates ignore texture rotation.
• MC-133691 – Blocks cannot be placed normally on a full cauldron.
• MC-135552 – Dead entities are saved to chunk.
• MC-136497 – XP orbs causing severe lag.
• MC-136776 – Some NBT tags are not kept when fish or axolotl mobs are caught in water buckets.
• MC-139265 – Shulkers do not teleport correctly when going through a portal.
• MC-141034 – taiga_fisher_cottage_1 is filled with water.
• MC-142711 – Baby turtles take damage when pushed against ceiling.
• MC-143821 – Using empty map in Creative mode can create additional map with ID 0.
• MC-145501 – Librarian and zombie librarian torso top texture is incorrect.
• MC-147589 – Vines no longer randomly generate in jungles.
• MC-147729 – Crafting via the recipe book can delete items if picking up items while crafting.
• MC-148432 – Sound spam while in water and lava at the same time.
• MC-149495 – Pufferfish triggers tripwire without colliding with it upon reloading the game.
• MC-149799 – When a crossbow is loaded and in the offhand, you do not see it anymore if you carry an item in the main hand.
• MC-150054 – Spectral arrow texture on item and entity aren't consistent.
• MC-150784 – Brewing Stand bottle outline incorrect.
• MC-151270 – Teleporting an entity from another dimension can cause UUID duplication in entity sections.
• MC-152265 – Starting server outputs "unable to resolve BlockEntity for ItemStack" errors.
• MC-153254 – Baby zombies/piglins take damage when pushed against ceiling by bubble columns.
• MC-154006 – Overworld wood signs use the outdated wood texture on all sides.
• MC-154094 – Lectern running /clear turns items into ghost items.
• MC-156109 – Turtles do not follow players in Creative mode holding seagrass.
• MC-160195 – Jungle door inventory texture is outdated.
• MC-160388 – Painting back texture has not been updated with the texture update.
• MC-160994 – Blocks broken by pistons do not display breaking particles.
• MC-161334 – Shulker boxes cannot be opened if next to a shulker mob.
• MC-162910 – Additional map is created when using an empty map in Creative in a newly created world.
• MC-163673 – Baby husks, piglins, zombies, zombie villagers, and zombified piglins take damage when jumping into a space with a solid block above it.
• MC-165846 – Pufferfish can take suffocation damage when bloating.
• MC-167853 – Observer doesn't detect when a grass block changes to dirt if a tree grows on top.
• MC-168398 – Guardian beam is darker.
• MC-168900 – Shulkers teleport with original dimension coordinates after passing through portals.
• MC-169900 – Incorrect jigsaw setting in snowy_small_house_8.
• MC-169945 – Skeletons do not burn in minecarts while being exposed to daylight.
• MC-170653 – Fireworks fired from a dispenser get stuck in the air when removing the block they crashed into.
• MC-171852 – Putting item in a spectator's hand plays sound "Gear equips" for other players.
• MC-172466 – Entities misaligning when growing up.
• MC-173745 – Lower part of end gateway block beam renders incorrectly.
• MC-173834 – Glowing damaged iron golem outline shows cracks.
• MC-174685 – Drowned arm texture is reversed by the model.
• MC-174701 – Leash knot sound effect plays when loading singleplayer world.
• MC-174876 – Shulker spawn egg spawns shulker inside soul sand, snow layers, farmland, grass path and honey block.
• MC-175959 – One door is open in taiga_shepherds_house_1.
• MC-175964 – Setblock command run by book in lectern to clear inventory run in command block causes ghost items.
• MC-176614 – Swimming and doing certain actions make the player look very odd/does not have animations for swimming + doing certain actions.
• MC-176615 – It is possible to destroy netherite items with lava by putting them inside a container.
• MC-177622 – One log in taiga_butcher_shop_1 seems to be misrotated - causing the side roof to look asymmetrical.
• MC-177624 – Entrance in snowy_medium_house_2 is asymmetrical.
• MC-181889 – Equipping sound plays when mobs picking up non-armor items.
• MC-182954 – "block.minecraft.banner.base.<color>" displays raw translation string (is untranslated).
• MC-183067 – Shulkers can push marker armour stands.
• MC-183771 – Gamemode switcher icons in the F3+F4 menu are not centered.
• MC-183884 – Shulkers are afraid of being next to another shulker.
• MC-183917 – Min and max are both required in entity_scores condition.
• MC-185357 – Removing a plant from a flower pot still plays generic armor equipping sound/shows Gear equips in subtitles.
• MC-185359 – Using a bucket in Survival mode still plays generic armor equipping sound/shows Gear equips in subtitles.
• MC-185360 – Milking a mooshroom for stew still plays armor equip sound/shows Gear equips subtitle.
• MC-185605 – Kelp generates on top of magma blocks.
• MC-186172 – Shulkers open into blocks when unable to teleport.
• MC-186864 – Leather armour can appear white.
• MC-186879 – Standing in fire and water spams the extinguish sound.
• MC-187544 – 'Cover Me With Diamonds' advancement improperly capitalized.
• MC-188044 – Using a banner on a filled cauldron plays hand animation.
• MC-188448 – Food pops off of campfire when extinguished.
• MC-189482 – LAN World screen buttons are selected in the wrong order when using Tab ↹.
• MC-189565 – Some entities do not render inside of spawners and producing error log spam in console, potentially causing lag.
• MC-189885 – New byte previousGamemode is read incorrectly.
• MC-190454 – Desync when a player rides a horse riding another mob, and that mob dies.
• MC-190677 – Shulkers are not aligned to the grid for a split second after being spawned in.
• MC-190774 – Stonecutter saw spins both ways simultaneously.
• MC-190896 – Lag when opening a shipwreck chest containing buried treasure map.
• MC-191714 – Player is dismounted when standing on farmland while riding a horse/boat while the farmland turns to dirt, causing a desync.
• MC-192594 – plains_stable_1 misplaced blocks.
• MC-192629 – plains_stable_2 misplaced blocks.
• MC-192876 – Misplaced trapdoor on taiga_decoration_6.
• MC-192879 – Wall incorrectly placed on certain taiga houses.
• MC-192930 – Zombies picking up items play the gear equipping sound and subtitle.
• MC-193071 – Eating food items that return empty containers still play gear equipping sound.
• MC-193386 – Shulkers spawned attached to the groud attaches themselves to a wall after another shulker is spawned.
• MC-194089 – Shulkers at some Y positions refuse to get a Peek value.
• MC-194183 – Some experience points do not go towards Mending repair, even if the Mending gear is not fully repaired.
• MC-194675 – While spectating a creeper, enderman, spider or cave spider, UI elements are rendered completely white.
• MC-194685 – Collecting water from cauldrons with glass bottles in Creative mode is still inconsistent.
• MC-194686 – Collecting water from cauldrons with buckets in Creative mode is still inconsistent.
• MC-195125 – plains_animal_pen_1 misplaced block.
• MC-195126 – plains_animal_pen_3 misplaced blocks.
• MC-195351 – Comparator in compare mode can schedule unneeded tileticks.
• MC-195461 – The upper part of potted cactus/bamboo texture is not visible if there is a half block above it.
• MC-195640 – Suspicious stew inedible with full hunger.
• MC-195806 – Smoker's top and bottom textures have inconsistently colored pixels.
• MC-195827 – datapackFailure.title line in en_us.json file has double spaces between the translation string and the equivalent text.
• MC-196425 – "Off" is not completely capitalized for the Distortion Effects and FOV Effects sliders, which is inconsistent with other sliders.
• MC-196542 – Small cleanup for skylight propagation code.
• MC-196638 – Placing an armor stand logs warning "Trying to add entity with duplicated UUID".
• MC-197009 – Referencing empty item tag in recipe can crash client.
• MC-197073 – Turtles laying eggs on red sand produce normal sand particles.
• MC-197140 – Jack o'lantern does not come after carved pumpkin in Creative inventory.
• MC-197179 – Baby piglins that pick up leather do not despawn, cluttering the Nether with unnecessary baby piglins.
• MC-197276 – Pufferfish gives Poison IV instead of II.
• MC-197524 – Border chunks do not enforce neighbors to be loaded, causing light updates to get stuck.
• MC-197561 – Carved pumpkins and jack o'lanterns create swastikas.
• MC-197883 – Jigsaw Structures causing DataFixer spam.
• MC-198129 – ReplaceBlobsFeature changed from 1.16.1 to 1.16.2, affecting Basalt Delta generation.
• MC-198414 – If the angle in /spawnpoint is set to ±infinity, and the player dies, it kicks the player, and upon rejoin crashes the game.
• MC-198432 – Pufferfish phases through blocks after reloading world.
• MC-198514 – Creating a Superflat world with nothing but air crashes the game.
• MC-198535 – time_check predicate condition requires both min and max value.
• MC-198725 – Crash when clicking "Presets" after setting the Superflat preset with a non-existent biome.
• MC-198805 – Floating pixel in the tailfin of a guardian/elder guardian.
• MC-198807 – Making piglins and piglin brutes angry at certain entities (like dropped items) crashes the game.
• MC-198864 – World border does not render below y0 / above y255.
• MC-199065 – Zombies that die while on fire do not drop baked potatoes.
• MC-199237 – Back of ladder is incorrectly mirrored.
• MC-199239 – Vines appear incorrectly mirrored when viewed from behind.
• MC-199242 – Texture planes of crop models appear incorrectly mirrored from behind.
• MC-199356 – chatDelay in options.txt has a space between the colon and the value.
• MC-199988 – When accessing a UI of a structure block from /setblock the texture changes from data to save.
• MC-200195 – Boats do not try dismounting the player on land.
• MC-200696 – Clock's texture does not match the new gold color pallete.
• MC-200906 – Pufferfish hitbox incorrect when reloading world.
• MC-201316 – The /give command can create so many items that the game freezes.
• MC-201748 – Chain model planes are incorrectly mirrored on the rear.
• MC-201751 – Chain section on lanterns is incorrectly mirrored from behind.
• MC-201753 – Sea pickle green top sections do not render correctly from behind.
• MC-201840 – Optional function tags sometimes don't run even when the tag exists.
• MC-202186 – Houses in Zombie Villages disappear when spawned using /locate.
• MC-202202 – Servers are unable to prevent a player from dismounting a vehicle, causing a desync.
• MC-202246 – Drowned navigation causes memory leak/performance degredation.
• MC-202760 – area_effect_cloud does not enforce a maximum radius.
• MC-203373 – Shulker bullet subtitles are not capitalized correctly.
• MC-203397 – Ceiling vines rotate when other vines are placed in the same block space.
• MC-205477 – Occasional desync when trying to enter/exit a boat while the server is lagging.
• MC-205735 – Baby cows can suffocate on stairs.
• MC-207125 – Loaded crossbow in offhand does not show breaking block hand animation.
• MC-207173 – Entering only colons into multiplayer Direct Connection & pressing enter crashes the game.
• MC-207405 – Nether stars can be blown up while being inside of a bundle/shulker box.
• MC-208082 – Game stalls when any message is displayed in chat while playing with an expired session.
• MC-209361 – Game crashes upon instantly click-replacing the block underneath a bamboo sapling with another bamboo.
• MC-209625 – Baby llamas suffocate when below a solid block while standing on top of a carpet.
• MC-210408 – /spawnpoint allows players to set their spawnpoint to out-of-bounds coordinates, which crashes the game when trying to respawn.
• MC-210791 – Dropping an item on a shulker launches the item off.
• MC-212123 – Player lighting is inconsistent in the inventory and appears darker on the front.
• MC-212291 – Client can dismount vehicles independently from the server, causing a de-sync.
• MC-214568 – Setting a lectern on fire causes z-fighting.
• MC-214589 – End gateway exit portals can be set to high coordinates, kicking the player.
• MC-214629 – FOV decreases when underwater regardless of FOV Effects accessibility setting.
• MC-214693 – Tripwire texture is not mirrored correctly from behind.
• MC-214694 – Tripwire which is part of a tripwire hook is not mirrored correctly from behind.
• MC-214879 – Selecting nothing and pressing Ctrl + C clears clipboard.
• MC-215534 – Spectating a mob with a shader whilst having a carved pumpkin equipped turns the screen completely white.
• MC-216227 – Sugar cane item texture is no longer accurate from 13w36a forward.
• MC-218888 – ⇧ Shift Clicking items into inventory prevents the relevant advancement from triggering.

Private issues

• MC-136551 – Servers able to bypass EULA blacklist.