OnePlus has finally released the stable OxygenOS 11 update for the OnePlus Nord. Some of its features include a new UI, gallery, Ambient Display features, and more. Only a few users will receive it initially starting today (March 1), as it is a staged rollout.
https://www.notebookcheck.net/Stable-Android-11-based-OxygenOS-11-update-now-rolling-out-for-the-OnePlus-Nord.525781.0.html