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Bedrock PatchNotes.jpg

Bedrock Edition



Release date

Xbox, Windows 10, Android: September 15, 2021

Beta for


Protocol version


Beta is the first beta version for Bedrock Edition 1.17.40, released on September 15, 2021,[1][2] which brought changes to the new world generation from Java Edition 1.18 experimental snapshots, and fixes bugs.



  • Version exclusive: Selected Android devices that run on ARMv7 now use the new rendering engine RenderDragon.


Data Driven Items
  • Updated documentation for Block Rotation Component.
  • Added required toggles to documentation and to content error for block components.
Data Driven Blocks
  • Updated documentation for BlockExplosionResistance.
  • Added a content error for using a material but not providing the required number of textures to the render controller.
  • Testing RenderDragon engine across subset of Android devices (ARMv7).
  • Add new compile errors for expressions like 'text' + 3, which were previously ignored (This is a Versioned Change as of engine version 1.17.40).
User Interface
  • Added an ImGUI window for easier viewing of content errors.


These additions and changes are accessible by enabling the "Caves & Cliffs" and "Enable GameTest Framework" experimental toggle.


Donkey and Sheep
  • Can now spawn in meadow biome.
  • Can now spawn in grove biome.

World generation[]

  • The cavern now generates in 2 layers of different stone bases depending on the depth.
    • Cavern layer above Y=0 is made up of regular stone.
    • Stone transitions to deepslate from Y=0 to Y=-7.
    • Deepslate now completely replaces stone from Y=-8 to bedrock.
      • Certain types of ores and structures still generate in the deepslate layer.
      • Dirt, diorite, granite and andesite do not generate in this layer.
  • Meadows sometimes spawn a lone oak or birch, often with a bee nest.
  • Infested stone now generate in the new mountain biomes.

The new ore generation for beta

Ore distribution
  • Tweaked ore distribution to match in parity with Java Edition.
Pillager outposts
  • Now generate in all the new mountain biomes.
Stony peaks
  • A new mountains biome that is a variant of lofty/snowcapped peaks that uses stone and strips of gravel, instead of snow and ice.
    • Is used to avoid temperature clashes.
  • Tweaked biome placement, river size, and terrain shapes for a better overworld experience.


  • Raised cloud level from 128 to 192.


GameTest Framework
  • Renamed method succeedWhenBlockTypePresent to succeedWhenBlockPresent
  • Fixed a bug where property idwould return "Unknown" for custom entities (MCPE-137786)
  • Identifier strings returned from property idnow include the item's namespace
  • GameTestSequence
    • Removed method thenWaitWithDelay
    • Added method thenWaitAfter(delayTicks: number, callback: () => undefined) - After a delay, executes the given callback every tick until it succeeds. Exceptions thrown within the callback will end sequence execution
  • Player
    • Fixed a bug where the location property would return an incorrect height for players
    • Added property id
  • Block
    • Replaced method getLocationwith property location
    • Replaced method getPermutationwith property permutation
    • Replaced method getTypewith property type
    • Replaced methods isWaterloggedand setWaterlogged with property isWaterlogged
    • Replaced method getBlockDatawith property permutation
    • Replaced method isEmptywith property isEmpty
    • Removed property canBeWaterlogged
  • BlockType
    • Replaced method getNamewith property id
    • Replaced method canBeWaterloggedwith property canBeWaterlogged
  • BlockPermutation
    • Replaced method getTypewith property type

Known issues[]

  • Beehives generates too frequently in this version.


  • Maps now correctly show the colors of blocks below a Y level of zero (MCPE-136638)
  • Vines now generate in Lush Caves instead of generating above the surface (MCPE-125800)
  • Vines can now grow down below zero height
  • Villages now generate in the style of the biome they are located in (MCPE-136939)
  • Falling stalactites are now offset properly to avoid interacting with entities outside their intended hitbox (MCPE-132772).
  • Beehives now generate in the world facing south.
Candle Cake Blocks
  • Pressing the 'use' button on a Candle Cake now consumes the correct amount of cake slices (MCPE-135519).
Character Creator
  • Fixed a crash that could occur when using Character Creator.
  • Tweaked color tint for default Steve skin to match default Steve (MCPE-120818).
  • Altered message for when friends change skins (MCPE-92772).
  • Education Edition items are no longer shown as an option when using @e[type=] (MCPE-78363).
  • Fixed a bug that caused players to be set on fire upon changing dimensions if there was Lava underneath the Nether Portal (MCPE-28765).
  • Players can no longer eat food at full hunger in Survival mode (MCPE-60807).
  • Sea Grass no longer spawns under Lily Pads during world generation to avoid breaking them.
  • Villagers can no longer spam doors open and closed (MCPE-28055).
  • Cartographers now more consistently give new maps on all platforms.
World Generation
  • Amethyst geodes are now much less likely to generate in Strongholds, and if they do they will not destroy End Portals (MCPE-129861, MCPE-128799).
  • Improved world visibility culling for underground situations to eliminate seeing sky at the end of tunnels/stairs (MCPE-128372).
  • Improved mob pathing around partial blocks (MCPE-127381).
  • Armor no longer renders on Pillagers and Vindicators, but are still granted armor effects (MCPE-74242).
  • Fixed an issue with mob rendering that caused Vindicator Axes to be visible even when they're not attacking on older Resource Packs (MCPE-123229).
  • More mobs will spawn underground in the Overworld.
Powder Snow
  • Powder Snow no longer disappears when looking at it from a distance (MCPE-127565).
Structure Block
  • Trapdoors now rotate correctly when loaded from a Structure block (MCPE-66933).
User Interface
  • Fixed an issue where the d-pad and directional keys could not be used to navigate in certain parts of the UI (MCPE-132826).
  • Fixed an issue where an error message could be shown after suspending the game on the achievements screens with screen animations disabled (MCPE-132269).
  • Fixed an issue where an obscure gamerule was added to settings (MCPE-139025).
  • Fix keyboard/d-pad navigation from custom server to edit server button.
  • New achievements screens are available on Windows 10 ARM-based PCs.
  • The sign in text on the start screen will no longer overlap the Marketplace button.
  • Add space between tab title and the word 'Tab' for text-to-speech on Settings screen.
  • Added "More Info" button to failed sign-in modal.
  • Command blocks with 'Needs Redstone' and a non-zero 'Delay in Ticks' will now execute only if they remain powered for the delay duration (MCPE-74281).
  • Fix alignment of the sidebar display from the /scoreboard command when text length changes.
  • Fixed failure to render leash when attached to a mob outside of viewport (MCPE-63931).
  • Fixed ability to summon experience orbs via /summon command (MCPE-130835).
  • Fixed display only entity destruction in chunk discard scenarios.
  • Fixed query.item_remaining_use_duration having improperly scaled or inverted results (This fix is a Versioned Change as of engine version 1.17.30).


  1. "Minecraft Beta - (Xbox One/Windows 10/Android)" – feedback.minecraft.net, September 15, 2021.
  2. "Minecraft Beta" by Jay Wells. Minecraft.net, September 15, 2021