## Beta/Preview 1.21.110.25
https://feedback.minecraft.net/hc/en-us/articles/38927463808269-Minecraft-Beta-Preview-1-21-110-25
## Features and Bug Fixes
### API
- Moved LootTableManager API from beta into 2.2.0
## Biomes
- Custom Biomes are now out of experimental
- Added `underwater_music` parameter to `minecraft:biome_music` client biome component that enables the underwater music for the biome
- Fix issue where a default surface builder was not chosen leading to bare surfaces in some biomes
- Fixed a bug where setting the precipitation of a biome to 0 in `biome.json` files would not stop rain from occurring in the biome
### Blocks
- Fixed Paintings from breaking when loading into a world or teleporting
- The Copper Golem Statue no longer has z-fighting with certain block when they are placed on top of it
- Shelves now produce the same particles as their Stripped Log counterparts when they break
- The Copper Chest icon is no longer missing its handle in the inventory
- Double Chests now visually open when a Copper Golem opens the second half
- Copper Doors can now be opened by Villagers and Copper Golems
### Iron Bars, Copper Bars
- Fixed Iron and Copper Bars connection pattern
### Lightning Rods
- Removed a white line of pixels on the edge of Exposed and Weathered Copper Lightning Rods
### Shelf
- Items in the Shelf will render in the middle of the Shelf
- Updated the sizes of many items in the Shelf to better fit the Shelf
- Walking on the Shelf now produces the same sound as walking on the Chiseled Bookshelf
- Blocks requiring support can now be placed on the back of the Shelf regardless of its facing direction
### Commands
- Fixed hidden commands (`getlocalplayername` and `geteduclientinfo`) showing into the autocomplete options in the chat
- Fixed issue where command selector `c=-1` would not return the furthest matching entity
### Editor
- Fixed a bug in the Vibrant Visuals Settings pane which caused incorrect file paths
- The Line Tool's performance when moving a gizmo with thickness applied to the Line now runs smoother
### Gameplay
- Fixed a bug where putting items in a Bundle as it is being transferred from one Hopper to another would delete the item
- Fixed a crash that occurred when treatment packs were removed while loading game or loading into a world
### General
- The game will no longer crash when loading a world with a corrupted Copper Chest
### Graphical
- Fixed an issue that caused certain mobs to display incorrectly when using the Minecraft Classic Texture Pack
### Mobs
- Copper Golems no longer get stuck under Shelf blocks
- Copper Golems can now pathfind through 1 block high passages
- The Copper Golem will no longer interact with Chests and Copper Chests that it cannot see
- Chests now close immediately when a Copper Golem starts panicking while looking inside
- Copper Golems now drop their Poppy Flower on death
- It is possible for Zombies and Skeletons to spawn with diamond tier armor again
### Music
- Music in Forest biome will no longer get stuck to the position it started playing at
...And many more!
Join the official feedback discord server and discuss these changes here: https://discord.com/channels/1138536747932864532/1407392811246157865
