Bedrock Edition beta 1.17.30.20

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

## Changes

### 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.

Zombies, Zombie Villagers, Husks and Drowned
* No longer pick up glow ink sacs.

### 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 `/clone` command now copies signal strength for Levers and Redstone Dust.
* The `/structure` command can now specify a <to: x y z> 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 `/time set` command now sets the correct time and day when specifying a time above 24000 or below the current time (e.g. `/time set 0` sets the day to 0, `/time set 28000` sets the day to 1), and `/time` 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 (MCPE-123249)
* Fixed Light Block not being removed when left-clicking it while holding a Light Block (MCPE-123258)
* Fixed Light Block brightness not being adjustable when right-clicking it (MCPE-123387)
* Fixed Light Block hitbox issue (MCPE-135277)
* 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 (MCPE-136445)

User Interface
* Text to Speech for chat setting once again correctly narrates chat messages (MCPE-129901)
* 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 (MCPE-112621)
* Fixed an animation parity issue with Skeletons not using both arms to hold their Bows (MCPE-670)

Mobs
* Fixed an issue where mobs would sometimes render with incorrect geometry when viewed from the Structure Block preview window (MCPE-95183)
* Experimental Features: Wither can now be spawned on negative heights (MCPE-125270)
* Ghasts no longer spawn in less than 5x4x5 area (MCPE-133687)
* Magma Cubes no longer spawn in less than 3x3x2 area (MCPE-46540)
* Medium Magma Cubes now have a larger hitbox (MCPE-132159)
* Shulker boxes now remain in Dispensers when dispensed at world limit (MCPE-130085)

Blocks
* Unicode font now correctly highlights on Signs with glowing text (MCPE-130072)
* Waterlogged blocks no longer occasionally turn into ghost blocks (MCPE-136537)
* Pumpkins placed facing South, East, or West now can now be used to trade with Villagers if they were mined with Silk Touch tools (MCPE-105540)
* More Candles can no longer be added to Candles placed without any support block (MCPE-130810)

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

## References

1. ↑ "Minecraft Beta - 1.17.30.20 (Xbox One/Windows 10/Android)" – feedback.minecraft.net, August 4, 2021.