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Official artwork for Minecraft 1.17 Caves & Cliffs: Part I
Release Java Edition Major update

Minecraft 1.17 “Caves & Cliffs: Part I”

Released on 8 June 2021, Minecraft Java Edition 1.17 Caves & Cliffs: Part I adds three mobs (the Axolotl, the Goat and the Glow Squid), copper, amethyst geodes, deepslate, powder snow and the Spyglass. It is the first version that requires Java 16 and OpenGL 3.2.

Released 08 Jun 2021 149 new blocks & items Resource pack format 7 Data version 2724
See everything new Are my mods ready?

Key takeaways

  • New mobs: the Axolotl hunts in underground water, the Goat rams players and sends them flying, and the Glow Squid drops Glow Ink Sacs.
  • Copper: a new ore whose blocks oxidise to green over time, unless they are waxed with Honeycomb. It also crafts the Lightning Rod.
  • Amethyst: geodes hold Budding Amethyst, whose shards craft the Spyglass and Tinted Glass.
  • Raw ores: iron, copper and gold ores now drop raw metal to smelt, and every ore except diamond has a new texture.
  • New blocks: Deepslate in the lower layers of new chunks, Powder Snow, Candles, Glow Lichen, Pointed Dripstone and lush cave plants.

Headline features

The changes you will notice first, with the pages that go deeper.

Mob

Axolotl, Goat and Glow Squid

Axolotls and Glow Squid spawn in underground water and can be bred or caught in a bucket for the Axolotl. Goats spawn in newly generated mountains and ram anything in their way.

AxolotlGoatGlow Squid
Blocks

Copper and the Lightning Rod

Copper blocks pass through several oxidation stages, and Honeycomb stops the process. A Lightning Rod attracts nearby lightning strikes and gives a redstone signal when hit.

Copper OreOxidized CopperLightning Rod
Items

Amethyst and the Spyglass

Amethyst geodes generate in new chunks. Amethyst Shards and Copper Ingots craft the Spyglass, which zooms in on distant things, and shards also make Tinted Glass.

Amethyst ClusterSpyglassTinted Glass
Blocks

Powder Snow and Candles

Players and mobs that sink into Powder Snow start to freeze, while Leather Boots let you walk on top of it. Candles can be dyed and placed up to four per block.

Powder SnowCandleGlow Lichen

Official video

Published by Mojang on the official Minecraft YouTube channel.

Caves & Cliffs Update: Part I – Official Trailer

Clicking loads the video from YouTube (youtube-nocookie.com).

Everything new in 1.17

compared with 1.16.5 · from the game files
149Blocks & items
5Entities
2Biomes

New entities

Dripstone CavesBiome Dripstone CavesLush CavesBiome Lush CavesAxolotlEntity AxolotlGlow Item FrameEntity Glow Item FrameGlow SquidEntity Glow SquidGoatEntity GoatMarkerEntity Marker

Deepslate × 17

DeepslateDeepslateDeepslate BricksDeepslate BricksDeepslate Brick SlabDeepslate Brick SlabDeepslate Brick StairsDeepslate Brick StairsDeepslate Brick WallDeepslate Brick WallDeepslate Coal OreDeepslate Coal OreDeepslate Copper OreDeepslate Copper OreDeepslate Diamond OreDeepslate Diamond OreDeepslate Emerald OreDeepslate Emerald OreDeepslate Gold OreDeepslate Gold OreDeepslate Iron OreDeepslate Iron OreDeepslate Lapis Lazuli OreDeepslate Lapis Lazuli Ore
Show all 17
Deepslate Redstone OreDeepslate Redstone OreDeepslate TilesDeepslate TilesDeepslate Tile SlabDeepslate Tile SlabDeepslate Tile StairsDeepslate Tile StairsDeepslate Tile WallDeepslate Tile Wall

Candle × 16 · 16 colours

Cake with Candle × 16 · 16 colours

Waxed Block of Copper × 16

Waxed Block of CopperWaxed Block of CopperWaxed Cut CopperWaxed Cut CopperWaxed Cut Copper SlabWaxed Cut Copper SlabWaxed Cut Copper StairsWaxed Cut Copper StairsWaxed Exposed CopperWaxed Exposed CopperWaxed Exposed Cut CopperWaxed Exposed Cut CopperWaxed Exposed Cut Copper SlabWaxed Exposed Cut Copper SlabWaxed Exposed Cut Copper StairsWaxed Exposed Cut Copper StairsWaxed Oxidized CopperWaxed Oxidized CopperWaxed Oxidized Cut CopperWaxed Oxidized Cut CopperWaxed Oxidized Cut Copper SlabWaxed Oxidized Cut Copper SlabWaxed Oxidized Cut Copper StairsWaxed Oxidized Cut Copper Stairs
Show all 16
Waxed Weathered CopperWaxed Weathered CopperWaxed Weathered Cut CopperWaxed Weathered Cut CopperWaxed Weathered Cut Copper SlabWaxed Weathered Cut Copper SlabWaxed Weathered Cut Copper StairsWaxed Weathered Cut Copper Stairs

Block of Raw Copper × 6

Block of Raw CopperBlock of Raw CopperBlock of Raw GoldBlock of Raw GoldBlock of Raw IronBlock of Raw IronRaw CopperRaw CopperRaw GoldRaw GoldRaw IronRaw Iron

Glow Lichen × 5

Glow LichenGlow LichenGlow BerriesGlow BerriesGlow Ink SacGlow Ink SacGlow Item FrameGlow Item FrameGlow Squid Spawn EggGlow Squid Spawn Egg

Other blocks & items × 73

Block of AmethystBlock of AmethystAmethyst ClusterAmethyst ClusterAzaleaAzaleaAzalea LeavesAzalea LeavesBig DripleafBig DripleafBig Dripleaf StemBig Dripleaf StemBudding AmethystBudding AmethystCalciteCalciteCandleCandleCake with CandleCake with CandleCave VinesCave VinesCave Vines PlantCave Vines Plant
Show all 73
Chiseled DeepslateChiseled DeepslateCobbled DeepslateCobbled DeepslateCobbled Deepslate SlabCobbled Deepslate SlabCobbled Deepslate StairsCobbled Deepslate StairsCobbled Deepslate WallCobbled Deepslate WallBlock of CopperBlock of CopperCopper OreCopper OreCracked Deepslate BricksCracked Deepslate BricksCracked Deepslate TilesCracked Deepslate TilesCut CopperCut CopperCut Copper SlabCut Copper SlabCut Copper StairsCut Copper StairsDripstone BlockDripstone BlockExposed CopperExposed CopperExposed Cut CopperExposed Cut CopperExposed Cut Copper SlabExposed Cut Copper SlabExposed Cut Copper StairsExposed Cut Copper StairsFlowering AzaleaFlowering AzaleaFlowering Azalea LeavesFlowering Azalea LeavesHanging RootsHanging RootsInfested DeepslateInfested DeepslateLarge Amethyst BudLarge Amethyst BudLava CauldronLava CauldronLightLightLightning RodLightning RodMedium Amethyst BudMedium Amethyst BudMoss BlockMoss BlockMoss CarpetMoss CarpetOxidized CopperOxidized CopperOxidized Cut CopperOxidized Cut CopperOxidized Cut Copper SlabOxidized Cut Copper SlabOxidized Cut Copper StairsOxidized Cut Copper StairsPointed DripstonePointed DripstonePolished DeepslatePolished DeepslatePolished Deepslate SlabPolished Deepslate SlabPolished Deepslate StairsPolished Deepslate StairsPolished Deepslate WallPolished Deepslate WallPotted AzaleaPotted AzaleaPotted Flowering AzaleaPotted Flowering AzaleaPowder SnowPowder SnowPowder Snow CauldronPowder Snow CauldronRooted DirtRooted DirtSculk SensorSculk SensorSmall Amethyst BudSmall Amethyst BudSmall DripleafSmall DripleafSmooth BasaltSmooth BasaltSpore BlossomSpore BlossomTinted GlassTinted GlassTuffTuffWater CauldronWater CauldronWeathered CopperWeathered CopperWeathered Cut CopperWeathered Cut CopperWeathered Cut Copper SlabWeathered Cut Copper SlabWeathered Cut Copper StairsWeathered Cut Copper StairsAmethyst ShardAmethyst ShardBucket of AxolotlBucket of AxolotlAxolotl Spawn EggAxolotl Spawn EggCopper IngotCopper IngotGoat Spawn EggGoat Spawn EggPowder Snow BucketPowder Snow BucketSpyglassSpyglass

What changed

TechnicalThe game now runs on Java 16. The Minecraft Launcher installs it automatically, but custom setups and servers need Java 16 or above.
GraphicsFixed function rendering is replaced with shader based rendering, and the game now uses the OpenGL 3.2 core profile.
MobsDrowned no longer drop Gold Ingots and can drop a Copper Ingot instead. A Shulker hit by a Shulker Bullet can create a new Shulker.
GameplayExperience orbs merge when many are close together, without changing the amount of XP gained.
ItemsShovels make Dirt Paths from Dirt, Coarse Dirt, Podzol and Mycelium as well as Grass Blocks.
Commands/item replaces /replaceitem, and the new playersSleepingPercentage gamerule (default 100) sets how many players must sleep to skip the night.
TechnicalData pack format 7, resource pack format 7. Entities are now saved separately from terrain chunks.

Source: official Java Edition 1.17 changelog

Mods & loaders for 1.17

Mods must be rebuilt for each version. Counts from the files published on Modrinth and CurseForge, in our catalog.

LoaderMods with a 1.17 fileLatest build
Fabric800.20.1
NeoForge7·
Forge33·
Quilt18·
Shader loadersShaders with a 1.17 fileLatest build
Iris74·
OptiFine71·
Popular mods Sodium · AvailableJust Enough Items (JEI) · Not yetFabric API · AvailableLithium · AvailableIris Shaders · AvailableOptiFine · Available
89 mods in our catalog have a 1.17 file →

159 texture packs and 47 maps in our catalog support 1.17.

How to play 1.17

  1. 01

    Open the Minecraft Launcher and select Minecraft: Java Edition.

  2. 02

    Go to Installations, create a new installation and choose version 1.17.

  3. 03

    Back up your worlds before opening them in a new version.

From first snapshot to release

22 snapshots, 5 pre-releases and 2 release candidates over 216 days.

  1. 20w45a04 Nov 2020
  2. 21w08b25 Feb 2021
  3. 21w20a19 May 2021
  4. 1.17-pre127 May 2021
  5. 1.17-rc104 Jun 2021
  6. 1.1708 Jun 2021
All 29 test builds →

Minecraft 1.17 FAQ

When was Minecraft 1.17 released?

On 8 June 2021, for Java Edition and Bedrock Edition. It is Caves & Cliffs: Part I, and the 1.17.1 update followed on 6 July 2021.

Which Java version does Minecraft 1.17 need?

Java 16, a jump from Java 8 in 1.16. The Minecraft Launcher installs it automatically, but a dedicated server or a third-party launcher needs Java 16 or above. The graphics card must also support OpenGL 3.2.

Are the new caves and the Warden in 1.17?

No. The new cave and mountain generation came with Part II in 1.18 (30 November 2021), and the Warden and the Deep Dark were moved to 1.19 The Wild Update.

Do goats and geodes appear in old worlds updated to 1.17?

Only in newly generated chunks. Goats need new mountain chunks, and Deepslate, geodes and Glow Lichen do not appear in areas already explored. Axolotls and Glow Squid also spawn in existing underground water.