Bedrock Edition beta 1.17.30.20

Beta 1.17.30.20 is the first beta version for Bedrock Edition 1.17.30, released on August 4, 2021, which fixes bugs.

Mobs

 * Ghast
 * No longer spawn in less than 5x4x5 area.


 * Magma Cubes
 * Medium Magma Cubes now have a larger hitbox (1.04 x 1.04 blocks) to match Slimes.
 * No longer spawn in less than 3x3x2 area.
 * No longer spawn in less than 3x3x2 area.

Gameplay

 * Options
 * Added "Clear Hotbar" option to the controller settings.
 * Added "Show Border Effect" in the world settings.

Technical

 * Chemistry
 * New chemistry material reductions can now be defined in the JSON files.
 * Chalkboards now appear consistently when being placed.


 * Commands
 * The command now copies signal strength for Levers and Redstone Dust.
 * The command can now specify a  position argument with y below 0 as long as it is equal or above the minimum height for that dimension.
 * Added functionality for Intellisense options: "d" and "default" in the gamemode command selector.
 * Minecart with Command Block can now use the self selector (@s) in its commands to target itself.
 * The command now sets the correct time and day when specifying a time above 24000 or below the current time (e.g.  sets the day to 0,  sets the day to 1), and  can now set or add to a negative world time.


 * Items
 * Updated documentation formatting for item components.
 * Using water buckets to collect fish has been version locked to prevent breaking old world templates.

Fixes

 * Stability and Performance
 * Fixed several crashes that could occur during gameplay
 * Fixed a crash that could sometimes occur when downloading large Marketplace worlds


 * Accessibility
 * Text to Speech now correctly reads item names in the inventory
 * Inventory grid slots are no longer double counted for Text to Speech focus controls


 * Gameplay
 * Light blocks are now visible when holding another, and also show brightness value
 * Fixed Light Block not being removed when left-clicking it while holding a Light Block
 * Fixed Light Block brightness not being adjustable when right-clicking it
 * Fixed Light Block hitbox issue
 * Fixed Barrier Block being destructible whilst not holding a Barrier Block
 * Boats now disappear from inventory correctly after placing it on water in Survival mode


 * User Interface
 * Text to Speech for chat setting once again correctly narrates chat messages
 * Sidebar strings are now localized properly when a new language is loaded or the current language changes
 * Updated the Achievements button and moved from the Profile screen to the Main Menu and Pause screens
 * Enabled new achievements screens for VR (not including PSVR)


 * Vanilla Parity
 * Eating Chorus Fruit while gliding no longer deals fall damage to the player
 * Fixed an animation parity issue with Skeletons not using both arms to hold their Bows


 * Mobs
 * Fixed an issue where mobs would sometimes render with incorrect geometry when viewed from the Structure Block preview window
 * Experimental Features: Wither can now be spawned on negative heights
 * Ghasts no longer spawn in less than 5x4x5 area
 * Magma Cubes no longer spawn in less than 3x3x2 area
 * Medium Magma Cubes now have a larger hitbox
 * Shulker boxes now remain in Dispensers when dispensed at world limit


 * Blocks
 * Unicode font now correctly highlights on Signs with glowing text
 * Waterlogged blocks no longer occasionally turn into ghost blocks
 * Pumpkins placed facing South, East, or West now can now be used to trade with Villagers if they were mined with Silk Touch tools
 * More Candles can no longer be added to Candles placed without any support block


 * Graphical
 * Sky no longer renders through walls of a large enclosed area when using fog.


 * Technical
 * Fixed the ability to add launch point positional offset for projectiles spawned with the  component.
 * Fixed the ability to add angular offset to launch vector for projectiles spawned with the  component.
 * Fixed offset not working for projectiles summoned through an interaction.
 * Fixed projectile  value only reflected if shooter is riding another entity.
 * Fixed rotation of projectile launchpoint around a mob when projectile offset specified.
 * Fixed  having improperly scaled or inverted results.