This is how you access the A19.4 exp build:
1. right click on the game in steam
2. click on properties
3. click the "betas" tab
4. the drop down menu will have "latest_experimental - unstable build" available ← you want THAT
5. select that and wait for the game to download.
Forum Release Thread
Added
- New ambient sound system and content
- Add focused block to DebugShot
- Command line argument "-disablecursorsnapping" to disable cursor snapping when using gamepad
Changed
- Disabled Christmas themed loot items
- Enabled new skin for fat zombie
- Store electronics_01 chest is now unlocked
Fixed
- Falling Debris Entities Cause Rapid Damage during Fall-Duration
- AP rounds not working as expected
- Explosions on a bed changes everyones spawnpoint to that bed
- Many of the ground textures are flickering
- Removed remnant blocks in business_old_06
- Writable Storage Box does not have label on bottom side
- Block palletBrownBoxesTile has an intact bottom cap
- Imposter for business_old_06 is now properly updated
- NRE when interacting with junk sledge or turret spawned from debugmenu no longer occurs
- Previous Tab / Next Tab keys does now work while in vehicle
- Gamepad now steers exclusively with the left thumb stick
- Achievement for broken leg now triggers
- Updated item names to support achievements