On the offical forums the patch notes for the beta have been posted.
The Division beta patch notes
Interface
Added support for multiple in-game languages:
- All platforms: English, French, Italian, German, Spanish
- PC, PS4: Japanese
Weapon and Item Mods can now be changed directly from the inventory screen
[Xbox One and PS4] Changed weapon swap button mapping to: - [Tap] Primary/Secondary weapon
- [Double Tap] Switch to Sidearm
UI improvements for better readability and usability
Gameplay
Additional balancing of weapons, enemy NPCs, and character progression
Dark Zone
Added another Dark Zone gate to the Beta Map area
Changed Dark Zone brackets level range
- Depending on your level, you will now be matched with level 4-7 players and enemies, or level 8 players and enemies
Landmarks have been added to the Dark Zone Map area - With these landmarks you will find more challenging encounters rewarding you with better loot
Performances
Loading of textures and models should no longer suffer delays on console
Bug fixes
More than 10,000 bugs have been fixed, including many of the most reported bugs during the Alpha.
Missing sound with specific weapons and mods combinations
Repeating audio when opening the Mega Map
Mission objectives not completing correctly
Floating characters and weapons
Character loading stuck at 95%
Broken textures
Take a look here: http://forums.ubi.com/showthread.php/1376289-Closed-Beta-Patch-Notes