Minecraft 1.21.0

Aug 11, 2024

Secrets Hidden Inside Minecraft

Heavy Core

  • Used to craft the mace
  • Placeable in ancient city portal frame
  • Fits texture of reinforced deepslate

Wolf Armor

  • Texture flaw: kneepads on front legs are backwards
  • Effective armor: withstands 500 HP

Crafter Block

  • Can be used as a password system
  • Redstone output trackable with a comparator
  • Allows for base entry with button configuration

Wind Charges

  • Curvable in Bedrock Edition (not Java)
  • Can be redirected by punching after throwing
  • Useful for triggering distant Redstone components

Breeze Mob

  • Breathes through eyes in Bedrock Edition
  • Won't drown while swimming

Cake Ladder

  • New Step height attribute command allows stepping up 10 blocks
  • Quickest method to reach build height in Minecraft 1.21

Oozing Potion

  • Used to disable cave mob spawning
  • Apply to snow golems, kill them to get slimes
  • Spawn 16 cave mobs to disable further local spawning

Copper Bulbs

  • Alternative to Redstone lamps
  • Can create light patterns without Redstone
  • Customizable delay with hopper clock

Elytra Hack

  • Java Edition now allows leads on boats like Bedrock
  • Carry multiple mobs while flying with Elytra

Nether Portals

  • Teleport using Ender pearls
  • Ride minecarts through Nether portals
  • Automated travel without player input

Animation Differences

  • Bedrock Edition: first-person idle animations
  • Java Edition: static item holding without animations

Auto Mining & Crafting

  • End portal breaks blocks and drops items
  • Allows for automated mining

Multiple Dogs

  • Leash and pull multiple boats with dogs
  • Efficient transportation across water

Fast Travel with Ender Pearls

  • Teleport through portals quickly
  • Align ender pearl throws for instant travel

Warship Boat

  • Drag snow golems on a raft
  • Snow golems attack mobs close to your boat

Automatic Boat Crafting

  • Crafter block can be used to automatically craft boats
  • Store large amounts of stackable materials

Minecraft Panorama Error

  • Missing ladder on the left side
  • Detected by Phoenix SC

Spectator Mode & Boats

  • Possible to get desynced from server
  • Perform actions while server thinks you are still in the boat

Mob Spawning Control

  • Use snow golems and slimes with oozing potion
  • Name tagged slimes prevent cave mob spawns

Observer & Copper Bulb Clocks

  • Create alternate light patterns
  • Use simple clocks for automation

Automatic Chunk Loading

  • End portal gateways load chunks
  • Maintain farm productivity in the End

Data Pack Changes

  • Turn any item into another via data packs
  • Example: dirt as a pickaxe, dragon egg as food

Secret Jeb Text

  • Hidden on guardian texture
  • Removed in texture update 1.14

Crafting Table Language Change

  • Type “excited Z” to switch to pirate speak

Shield Texture

  • Hidden base pattern for banners

Early Silverfish Texture

  • Originally designed with hair

Minecart Movement

  • Three minecarts in the same spot move on their own
  • Can move diagonally and over one-block gaps

Boat Durability

  • Breaks at specific heights (12, 13, 49, 51, 111, 202, 310 blocks)

Fishing Rod Mechanics

  • Can hook falling entities like dragon eggs in mini-games

Blaze Hidden Body Part

  • Has an unseen body part on texture

Slime Name Tag

  • Name tags transfer to smaller slimes after splitting

Panda Variants

  • Different behaviors: lazy, worried, playful, aggressive, weak

Jukebox Diamond Requirement

  • Inspired by Edison phonograph using diamond needles

Orange Heart Particles

  • Represent saddles, not faces

Pottery Shards

  • Initially called pottery shards, now pottery sherds

Balloon Mechanics

  • Lift mobs in Education Edition

Nether Portal Loading

  • Throw items through to load the other side

Fossil Generation Glitch

  • Overrode bedrock in seed 21w1a

April Fool's Snapshot

  • Spawn illegal items via Enderman

Respiration Helmet

  • Any level of respiration prevents drowning in peaceful mode

Berry Treasure

  • Use Riptide Trident to easily find buried treasure

Inventory Overload Kick

  • Written books can kick players with full inventories

Early Duplication Glitch

  • Cactus and water setup duplicating boats in Alpha

Vindicator Attack Power

  • Deals 19 points of damage, more than players

Early Cobblestone Generator

  • TNT duplication using observers and Cobblestone generators

Beacon Regeneration Glitch

  • Modify beacons to give faster regeneration

Bee Army

  • Bees can take down the Wither with strength potions

Channeling Enchantment

  • Converts mushrooms via lightning
  • Use item frames to channel lightning safely

Ancient City Warden Disabler

  • Machine with arrows disables Warden spawns

Boat Desync Trick

  • Desync and perform actions while server thinks in boat

Bedrock Mining Speed Bug

  • Max reach mining faster than close mining

Fortune 3 Harvest

  • Use Fortune 3 on crops for better yield

Drip Leaf Block Glitch

  • Destroy Bedrock and other blocks with bone meal

AFK Flower Farm

  • Bone meal flowers in Bedrock for AFK farming

Leaf Water Logging

  • See through walls using leaf water logging glitch

Tree Growth Glitch

  • Grow trees at high heights using dirt blocks

Water Log Stairs

  • Cobblestone generator with water log stairs prevents obsidian

Mob Damage Particles

  • Heart particles show exact damage dealt

Item Duplication Glitch

  • Damaged anvils duplicating items

Villager Sweat Particles

  • Emit water particles when nervous

Dolphin's Grace Buff

  • Long journey speed boost using leads and Depth Strider boots

Tree Growth Dirt Glitch

  • Generate dirt blocks underneath grown trees

Infinite Wireless Redstone

  • Exploit to break obsidian using different pickaxes

FOV Glitch

  • See through walls with speed potion and Quake Pro FOV

Bubble Elevator Projectiles

  • Use bubble elevators to keep projectiles in stasis

Secret Friday Updates

  • Early secret updates added features like Redstone, minecarts

Dragon's Breath Glitch

  • Fill bottles from dragon’s head to collect more

Villager-Powered Minecart

  • Boats with villagers move minecarts efficiently

Honey Block Trap

  • Combine honey blocks and lava cauldrons for traps

Pausable Single Player

  • Pause game to maneuver out of dangerous situations

Slime Block Boat Launch

  • Launch boats sky-high using slime blocks

Negative Experience Score

  • Exceeding 21,863 XP gives negative death score

Fence Under End Portal

  • Stand without teleporting using fences under portal

Shulker Box Wall Glitch

  • Push through walls using shulker boxes

Farmland Hydration

  • Water hydrates crops even through air blocks

Dripstone Cannon

  • Launch dripstone using slime blocks

Hardened Glass

  • Hard to break, high blast resistance

Bed Texture Glitch

  • Hidden black dot on top half of beds

Bleach Item

  • Reverts dyed items to white

Spliff with Crossbows

  • New twist using drip leaf plants

Element Crafting

  • Build chemical symbols or write messages with elements

Parrot Imitation

  • Mimic sounds of hostile mobs as a warning

Firework Against Wither

  • Fully powered rockets defeat Wither quickly

Strider Heat Source

  • Use moss carpet over lava to keep striders warm

Cactus Spawn

  • Spawn on top of cactus on specific seed

Medicine Brewing

  • Anti-potion effects to cure status ailments

Firework Pressure Plate Trick

  • Activate pressure plates using firework rockets

Camera Entity

  • Take photos, tracks player, stores in portfolio

Boat and Enderman Combo

  • Trap enderman in boats for easy farming

Arrow Bridge Trick

  • Cross gaps using punch two arrows

Bedrock Buried Treasure

  • Encased in bedrock, hard to reach

Invisible Shulker Builds

  • Use invisible shulkers for builds above/below world limit

Early Elytra

  • Piston underneath portal teleports directly to End islands

Miscellaneous Glitches and Exploits

  • Various unique mechanics and glitches for different game versions