Bedrock Edition 1.17.40

1.17.40 is a minor update to Bedrock Edition released on October 19, 2021, which brought new features behind the experimental toggle and fixed bugs.^[1]

Changes[]

General[]

Achievements

• Now available on Windows 10 ARM-based PCs.

Clouds

• Raised cloud level from 128 to 192.

Technical[]

Data-Driven Blocks

• Updated documentation for the Block Rotation component.
• Updated documentation for 'BlockExplosionResistance'.
• Added required toggles to documentation and to content error for block components.

Graphical

• Added a content error for using a material but not providing the required number of textures to the render controller.

Molang

• Fixed 'item_remaining_use_duration'having improperly scaled or inverted results (This fix is a Versioned Change as of engine version 1.17.30).
• 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).
• Molang expressions that contain capital letters are properly evaluated now
• 'query.get_equipped_item_name' will now recognize Sea Lanterns (MCPE-67893).
• Added new compile errors for expressions like 1 + (9 10), which were previously ignored (This is a Versioned Change as of engine version 1.17.40).

Experimental[]

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

Mobs[]

Donkey and Sheep

• Can now spawn in meadow biome.

Fox

• Can now spawn in grove biome.

Goat

• Now only spawn in snowy slopes, stony peaks, lofty peaks, and snow capped peaks biomes.

Rabbit

• Can now spawn in meadow and snowy slopes biome.

World generation[]

Biomes

• Re-added ice spikes, eroded badlands, jungle edge, and savanna plateau.

Caves

• 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.

Dripstone Caves

• In world generation, grass is replaced with stone (if generated near grass).

Mountains

• Meadows sometimes spawn a lone oak or birch, often with a bee nest.
• Infested stone now generate in the new mountain biomes.

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.

Stone shores

• Sometimes generate layers (strips) of gravel.

Villages

• Now generate in meadows.

General

• Tweaked biome placement, river size, and terrain shapes for a better overworld experience.
• Added new world/cave generation when upgrading saved chunks below Y=0 using the Caves and Cliffs experimental toggle.
  • Chunks previously upgraded with Bedrock underneath will not see this change.
• Upgrades older flat worlds to the new extended heights available with the Caves & Cliffs experimental toggle
• New flat worlds using the Caves & Cliffs experimental toggle will generate starting at "y=-64"

Technical[]

GameTest Framework

• Renamed method succeedWhenBlockTypePresent to succeedWhenBlockPresent
• Identifier strings returned from property idnow include the item's namespace
• Updated the GameTest Framework interface and added a new SimulatedPlayer capability:
  • Added 'SimulatedPlayer'class to GameTest. This class enables GameTest to simulate a variety of player behaviors such as movement, using items, and interacting with blocks and entities. See the GameTest API reference documentation for more details.
    • Added function spawnSimulatedPlayer(blockLocation: BlockLocation, name: string): SimulatedPlayer
    • Added function removeSimulatedPlayer(simulatedPlayer: SimulatedPlayer): void
  • mojang-gametest.Test type
    • Changed signature of function assertEntityInstancePresent(entity: Entity, blockLocation: BlockLocation, isPresent: boolean = true)
  • mojang-minecraft components
    • Component inventory now works with Player inventories

• 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

Fixes[]

Performance / Stability

• Fixed a crash that could occur when using Character Creator
• Fixed a softlock that could occur when on the Realms world slots screen and the internet connection was lost

General

• Fixed an issue causing Marketplace downloads on Nintendo Switch to fail after entering and leaving a world
• World settings are now carried over on to Realms when replacing worlds

Gameplay

• Fixed a most unfortunate issue that caused players to be set on fire upon changing dimensions if there was Lava underneath the Nether Portal (MCPE-28765)
• Improved world visibility culling for underground situations to eliminate seeing sky at the end of tunnels/stairs (MCPE-128372)
• Players can no longer eat food at full hunger in Survival mode (MCPE-60807)
• 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)
• Dungeons are no longer misplaced or missing outside of the Caves & Cliffs experimental toggle (MCPE-121708)
• Vanilla Parity: Players are now able to activate Elytra gliding while moving upward (MCPE-59580)

Mobs

• Tropical Fish no longer lose their colors upon grabbing them with a Water Bucket and then releasing them (MCPE-137158)
• Bees now spawn properly in the world (MCPE-132195)
• Mobs no longer casually stroll into open flames (MCPE-23835)
• Villagers can no longer spam doors open and closed (MCPE-28055)
• Cartographers now more consistently give new maps on all platforms
• Improved mob pathing around partial blocks (MCPE-127381)
• Armor no longer renders on Pillagers and Vindicators, but the mobs 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 now spawn underground in the Overworld
• Fixed failure to render Leads when attached to mobs out of view (MCPE-63931)
• Iron Golems now spawn only on solid blocks (MCPE-140145)

Blocks

• 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
• Trapdoors now rotate correctly when loaded from a Structure Block (MCPE-66933)
• Powder Snow no longer disappears when looking at it from a distance (MCPE-127565)
• Sea Grass no longer spawns under Lily Pads during world generation to avoid breaking them
• Holding Top Snow in hand while hovering over Grass Blocks no longer causes incorrect behavior (MCPE-140659, MCPE-140660)

User Interface

• Riding an animal now displays the correct button prompt when playing with non-touch controls
• Using Dye on Signs that contain formatted color text will now overwrite the formatted color text
• Fixed text on Signs losing their formatting when new lines or word-wrapping are encountered. Formatting will now persist until the reset code or an overriding code is found. This is not retroactive and previously created Signs will not be changed
• Altered the message that is displayed when players change skins in-game (MCPE-92772)
• Fixed an issue where the D-pad and directional keys could not be used to navigate in certain parts of the user interface (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 game rule was added to Settings (MCPE-139025)
• The sign in text on the main menu no longer overlaps the Marketplace button
• Added space between tab title and the word 'Tab' for text-to-speech on Settings screen
• Added a "More Info" button to the sign in error screen
• Several seeds have been removed from the seed picker in preparation for the 1.18 release, which introduces significant changes to terrain generation.

Realms

• All changes to settings made on new worlds before creation are now transferred to the world after creation

Character Creator

• In Character Creator, tweaked color tint for the default Steve skin to match default Steve (MCPE-120818)
• Back appearance pieces will no longer cover the left and right arrows in the profile screen
• Sidebar no longer opens upon expanding any of the classic skin packs in the Dressing Room
• Improved the navigation flow for Character Creator so that it always switches to the selected Character Creator profile (MCPE-139022)
• Skins that are equipped from Marketplace while in-game now apply to the player’s character

Commands

• Education Edition items are no longer shown as an option when using @e[type=] (MCPE-78363)
• 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)
• Fixed alignment of the sidebar display from the '/scoreboard' command when text length changes
• Fixed the ability to summon experience orbs via the '/summon' command (MCPE-130835)

Technical

• Fixed display only entity destruction in chunk discard scenarios
• Fixed a bug that caused animations to be restarted when changing render controllers
• Fixed 'item_remaining_use_duration'having improperly scaled or inverted results (This fix is a Versioned Change as of engine version 1.17.30)
• 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)
• Molang expressions that contain capital letters are properly evaluated now
• 'query.get_equipped_item_name' will now recognize Sea Lanterns (MCPE-67893)
• Fixed a bug where property id would return "Unknown" for custom entities (MCPE-137786)

References[]