Posted: June 3, 2021

PLEASE READ before participating in the Minecraft Beta:

Joining the beta will replace your game with a work in progress version of Minecraft
You will not have access to Realms and will not be able to join non-beta players while you're previewing the beta
Any worlds played while in the beta cannot be opened in previous versions of the game so please make copies of worlds to prevent losing them
Beta builds can be unstable and are not representative of final version quality
The beta is available only on Xbox One and Windows 10. To join or leave the beta, see aka.ms/JoinMCBeta for detailed instructions

It's time for another Caves & Cliffs beta update! Please continue to leave us your feedback in the threads at aka.ms/CavesCliffsFeedback, and search and reports any new bugs you may encounter at bugs.mojang.com.

Known Issues:

Android

Due to submission issues, this week's beta update is not available on Android devices. But don't fret, it will return soon! Multiplayer with the previous beta, version 1.17.10.20, is still compatible with this version.

New Features:

Blocks

Added potted azalea and flowering azalea variants

Bug Fixes:

Stability

Fixed a crash that occurred when breaking a block when the Caves & Cliffs experimental toggle was enabled (MCPE-128985)

Diamond Ore

Diamond ore now generates with the correct distribution again (MCPE-127555)

Glow Lichen

Glow lichen now only drops itself when broken with shears

Commands

Frosted ice can now be used in any command that accepts a block, such as '/setblock' and '/testforblock' (MCPE-126741)

Data-Driven Items

Updated documentation for 'DisplayNameItemComponent'

Gameplay

Disenchanting an item using the grindstone once again resets the enchantment cost penalty correctly (MCPE-107211)

Glow Sign

[Vanilla Parity] The text on glowing signs now has an outline (MCPE-129123)
[Vanilla Parity] Black text on signs can be lit by using a glow ink sac (MCPE-128079)
Tooltips are now present when holding ink sac and glow ink sac when using a controller
[Vanilla Parity] Ink sac and glow ink sac can no longer be used indefinitely on signs in Adventure mode
[Vanilla Parity] Player can no longer dye text on signs in Adventure mode (MCPE-126489)

Graphics

Underwater fog is once again dependent on biome (MCPE-124266)

Items

Pumpkins are once again accepted by farmer villagers regardless of their rotation when mined (MCPE-105540)

Jukebox

Jukebox now only ejects disk into non-solid blocks (MCPE-85635)

Mobs

Baby horses, including their variants, are now taller and no longer exhibit Z-fighting from their legs (MCPE-92462)
Amphibious mobs no longer get stuck when pathing over slabs and daylight sensors
Attacked glow squids no longer go dark only for aggressor in multiplayer sessions
Villagers spawned from villager spawners on Marketplace worlds that were created after version 1.11 now correctly spawn as V2 villagers

Goat

Tempted goats now move at the same speed as goats in Java Edition, and other similar mobs that are being tempted
Goat fall damage reduction is now in parity with Java Edition (-10 reduced fall damage)
Goats can now continue ramming when on slime block and honey blocks

Strays

Strays no longer drop wither skeleton skulls when killed by charged creepers (MCPE-35876)

Bastion

Bastion loot now closely matches Java Edition (MCPE-104330)

Player

Players can no longer swim through the air under a platform, though it looked pretty cool (MCPE-48958)

Sea Turtles

Baby sea turtles no longer despawn after being hatched (MCPE-70664)

User Interface

The "Reset to Default" button in the Accessibility settings now resets the Text Background Opacity slider
Fixed a typo in the "Loom" section of "How to Play" (MCPE-128735)
The counters on empty tabs of the Play screen now display zero instead of an empty, grey box (MCPE-110535)

Technical Updates

Chunks

Limits writing of chunks unless necessary. Chunks upgraded from older formats will not automatically save when loaded, but when modified (Through blocks or actors, for example) they will be marked for saving

Data-Driven Mobs

The horse rendering and animations are now fully data-driven
This work supports all horse variants (horse, mule, donkey, zombie horse, skeleton horse) and all horse versions including:
- v1 (engine version 1.2.5 and earlier)
- v2 (engine version 1.2.6 to 1.17.0)
- v3 (engine version 1.17.10 and onward). This will be a cleaner version of the v2 model, with less confusing bone naming

GameTest Framework

Updates to how blocks are handled in APIs:
- BlockType, BlockPermutation, and Block instances replace BlockState-based updating
Exposed chest block component and Container
Added location and velocity read-only properties to Entity
function createExplosion(location : Location, radius : number, explosionOptions : ExplosionOptions)
- Creates an explosion
  - ExplosionOptions : class - Provides additional configuration parameters for createExplosion
method triggerEvent(eventName : string) - Triggers an event on an entity
Added 'thenExecuteFor' to 'GameTestSequence', which repeatedly calls the callback for the specified number of ticks

Minecraft Beta - 1.17.10.21 (Xbox One/Windows 10)