Sony is set to roll out its second PlayStation 5 system software beta today, which will offer the ability to test support for Open Parties and Voice Commands. Gamers will also be able to test improvements to the Game Base and user interface. Sony will introduce support for mono audio on headphones, while increasing the number of Screen Reader languages to 15. PlayStation 5 and PlayStation 4 owners can try out the latest features on their consoles once the beta software rolls out today.