OnePlus is seeding the third OxygenOS 11 open beta to the OnePlus Nord. The update fixes issues with the camera, ambient display, the system and the clock. Here's the full changelog. System Optimized UI display effects of work life balance Fixed the issue that the dial icons overlap on the lock screen Fixed the issue of white space in the notification bar in Dark mode Camera Fixed the issue that the camera fails to start through quick gestures Fixed the issue with video recorded by the front camera that can not be played Ambient Display Fixed the small probability issue...
Source: https://www.gsmarena.com/oneplus_nord_gets_oxygenos_11_open_beta_3-news-47581.php