Information on Minecraft Preview and Beta:

• These work-in-progress versions can be unstable and may not be representative of final version quality
• Minecraft Preview is available on Xbox, PlayStation, Windows, and iOS devices. More information can be found at aka.ms/PreviewFAQ 
• The beta is available on Android (Google Play). To join or leave the beta, see aka.ms/JoinMCBeta  for detailed instructions

It’s time for a new Preview and Beta! As always, we’re keen to get your feedback on these new features at aka.ms/mcgamedropfeedback , and you can report any bugs at bugs.mojang.com ! Here’s what’s new this week:

Features and Bug Fixes

Pale Garden

• The sky now appears darker at the horizon during rain while in a Pale Garden biome (MCPE-187539)

Blocks

• Trial Spawners with a Mob set by a Spawn Egg no longer revert to an empty state when their cooldown ends (MCPE-185960)
• Azalea, Flowering Azalea, Mangrove, Cherry, and Pale Oak Leaves no longer display black pixels from a distance (MCPE-156469)
• Mangrove Leaves now have a dedicated texture for when “Fancy Leaves” is disabled (MCPE-170516)
• The orientation of the Pale Oak Leaves texture is no longer randomized for each block
• Moss Blocks now have a quieter step and land sound (MCPE-176933)
• Decorated Pots no longer activate Observers on world load
• Sculk Sensors now detect Eyeblossoms opening and closing
• Fixed all Skull block variants being turned into skeleton_skull when opening a world-template version locked below 1.21.40 or structures. Please note, this fix will not apply to already overwritten chunks
• Textures for Bricks, Nether Bricks, Red Nether Bricks, Resin Bricks, and related blocks have been updated to be horizontally aligned with all other brick blocks (MCPE-187806)
• Closed Eyeblossoms no longer poision Bees
• The Poison effect from Open Eyeblossoms now also damages Bees while they are within the block, rather than only upon exiting
• Reduced the duration of the Poison effect applied by Open Eyeblossoms
• Adjusted the frequency of ambient sounds emitted by Eyeblossoms, Creaking Hearts, and Pale Hanging Moss to better align with Java

Copper Grate

• Liquids such as still Water and still Lava no longer tessellate incorrectly when Copper Grates cover them (MCPE-178719)

Creaking Heart

• Creaking Heart drops more Resin Clumps when destroyed with the Fortune (MCPE-187697)

Eyeblossom

• Eyeblossom’s will now open and close even when snow-logged (MCPE-187759)

Pale Moss Carpet

• The sides of Pale Moss Carpet are now shaded correctly (MCPE-187373)
• Cracks are now properly applied to the sides of Pale Moss Carpet when mined (MCPE-187566)

Features

• The following feature types are now unable to place internal-only features
  • minecraft:aggregate_feature
  • minecraft:snap_to_surface_feature
  • minecraft:surface_relative_threshold_feature
  • minecraft:weighted_random_feature

Gameplay

• Fixed clients sometimes not matching the servers rain/snow weather state (MCPE-131325)

Items

• The Slate is no longer present in the Creative inventory outside of Education Edition (MCPE-187696)
• The effect durations of Suspicious Stew have been adjusted to be the same across versions
• Suspicious Stew from Open Eyeblossom now grants the same Blindness duration as Suspicious Stew from Azure Bluet (MCPE-187802)

Resin Bricks

• Resin Bricks are now used to apply the Resin Armor Trim instead of Resin Clumps

Mobs

• The Creaking will no longer sometimes phase through blocks if you are looking at it far away
• Ravagers can now destroy all types of leaf blocks, rather than a limited selection (MCPE-169375)
• Bees can no longer be tempted or pollinate within Closed Eyeblossoms
• Feeding Bees Open Eyeblossoms now applies the Poison effect
• Feeding Bees Wither Roses now applies the Wither effect

Magma Cube

• Magma Cube model part UVs no longer overlap each other

Realms

• Fixed crash on several platforms when navigating back to Realms Stories after inviting a player on the manage members screen

Sound

• Fall & step sound events for Sponge, Wet Sponge, Creaking Heart, Resin Brick and Resin blocks changed to “player”
• Adds Jump and Land sound events to Creaking Heart, Resin Bricks and Resin Blocks (MCPE-187713 , MCPE-188088)
• Creaking Heart breaking and placing sounds are now quieter
• Added more breaking sounds for Resin

Creaking

• Creaking now plays 4 different sway sounds
• Creaking now plays new attack sounds

User Interface

• Items in a Bundle tooltip now have a gray background
• Touch controls: Fixed a bug where the camera could sometimes get stuck after leaving a boat (MCPE-184406)
• Bundle tooltip correctly appears after being placed from the cursor
• Gamepad tooltips are now correct when hovering the crafting output in Inventory Screen and Crafting Table Screen with a bundle on the cursor
• Screenshots: Added the ability to Feature and Showcase screenshots for others to see when they visit your Profile. Added ability to set custom world thumbnail from screenshots.

Vanilla Parity

• Managing to kill a Wolf, Bee, or Silverfish in one hit no longer angers nearby mobs of the same type
• Managing to kill a Zombified Piglin in one hit no longer angers nearby Zombified Piglins (MCPE-68327)

Blocks

• Head Blocks can now be placed on the side of blocks even if they lack a supporting block below them

Weapons

• The game no longer crashes if a mob attacks with an item that breaks during the attack

Technical Updates

Add-Ons and Script Engine

• Fixed a bug where vanilla items with the “minecraft:block_placer” component had the wrong icon on split-screen clients.

API

• Fixed an API script processing error that could result in an infinite loop

Editor

The Editor and its corresponding API are in early development, and available for keyboard/mouse on Windows PC Bedrock Preview builds. Tag us on social channels with #BedrockEditor. Learn how to use   the Editor, join the GitHub Discussion   forum to engage with the team, and get started building extensions via the starter kit   and samples .

This week we’re releasing Editor V0.8! This release was jam packed with tons of few features and improvements, including:

• Flatten Tool
• Fill Tool
• Smooth Tool
• Quick Extrude
• Repeater Tool
• Farm Tool
• 2D Directional XZ Compass
• Custom Blocks
• Block Picker Updates
• Select with Brush
• Carve with Brush
• Brush Offset
• Locate Biome Tool
• Grapple/locomotion Updates
• Middle Mouse Block Selection
• Custom Widget Improvements

Checkout the full changelog with demos at the GitHub Discussion   page.
Updates this week:

• Added a new Flatten Brush: drag this brush over a block to turn blocks above it into air. This brush has a customizable height and radius.
• Added a Fill tool to allow creators to quickly change block groups
• Added a Smooth tool to easily smooth terrain
• Added a Quick Extrude tool to allow creators to extrude block groups
• Added a Repeater tool to repeat a selection volume along X, Y, and Z
• Added a Farm tool to quickly drop in farms into a world
• Added friendly names in the Block Picker
• Added a 2D directional XZ compass to game viewport to aid with building
  • Added the ability to click on the compass to snap to closest cardinal direction
• Added a configurable Fly Speed Multiplier.
  • Added SpeedSettings
  • New Slider in View->View Settings to configure fly speed multiplier between 1 and 10
  • Fly Speed Multiplier only takes effect while in Tool/Editor mode
• Added quick action for Selection::Delete
• Added new axis and plane restriction options in the Widget Gizmo Component creation options. Creators can restrict which axes of movement are afforded by their gizmos
• Added Block Filter Disabled state
• Added M key to toggle between mask mode and disabled
• Added R key to toggle between replace mode and disabled
• Added support for persistence in hotbar block palettes
• Added context menu to the options button next to hotbar for creating and managing new palettes
• Added a new session.extensionContext.blockUtilities object which will present a number of high-performance common block operations. First function added is a fillVolume function to perform large scale fill operation which honors Editors different block palette types
• Updated default filters with air (when not loaded previous state)
• Updated the icon for Selection::Deselect
• Updated block IDs in the UI to use localized names
• Updated checkbox labels to be clickable
• Updated property pane information tooltip icon to be more visible
• Updated the View->Log Panel menu item to now expand the panel drawer
• Fixed a bug that caused dropdowns to be truncated at the window edges

Entity Components

• Added the ‘minecraft:ignore_cannot_be_attacked’ component and moved the filter from ‘minecraft:cannot_be_attacked’ to it. This allows content to have custom mobs which bypass the ‘cannot_be_attacked’ component (for example the one on the Ghast) without requiring a modification of the attacked mob’s settings.

Experimental Technical Updates

API

• Moved BlockFillOptions from beta to v1.16.0
• Moved UnloadedChunksError from beta to v1.16.0
• Fixed bug where Dimension.fillBlocks would set blocks outside of the ticking area when ignoreChunkBoundErrors was set to true.
• Dimension
  • Moved containsBlock(volume: BlockVolumeBase, filter: BlockFilter, allowUnloadedChunks?: boolean): boolean from beta to v1.16.0
  • Moved getBlocks(volume: BlockVolumeBase, filter: BlockFilter, allowUnloadedChunks?: boolean): ListBlockVolume from beta to `v1.16.0
  • Moved fillBlocks(volume: BlockVolumeBase, block: BlockPermutation | BlockType | string, options?: BlockFillOptions): ListBlockVolume; from beta to v1.16.0
• ItemUseOnBeforeEvent
  • Move property readonly isFirstEvent: boolean from beta to v1.16.0
• ItemUseOnAfterEvent
  • Move property readonly isFirstEvent: boolean from beta to v1.16.0
• CameraFixedBoomOptions
  • Added property entityOffset?: Vector3
• Added new CameraTargetOptions parameter inside setCamera for beta. This can be used to modify the minecraft:free preset if the Focus Target experimental camera toggle is enabled

Block Components

• Modified "ambient_occlusion" field for "minecraft:material_instances" component to be a float value, requires UpcomingCreatorFeatures experiment

Cameras

• Tracking a target using the free camera preset: optional “tracking_radius” float value for setting a listening radius for a target entity
• Added content error when trying to target an entity when not on a free camera.

UI

• Added support for input glyph replacement for signed books. For example, using input string “:_input_key.jump:” will be replaced with “JUMP” when using keyboard, or an emoji in case of using a gamepad.

source: https://feedback.minecraft.net/hc/en-us/articles/31693342053517-Minecraft-Beta-Preview-1-21-50-28