According to reports, OnePlus Nord N10 5G is getting now receiving the latest OxygenOS 10.5.8. Unfortunately, the latest update is still based on Android 10. This new update for OnePlus Nord N10 5G comes with software version 10.5.8.BE89BA (Europe) and10.5.8.BE86AA (North America) The update brings December 2020 security patch, improved call performance, and some general fixes and improvements. You can check for the update manually by heading to Settings -> System -> System update -> Check for update. 

OnePlus Nord N10 5G OxygenOS 10.5.8 – Changelog

System Optimized power consumption of the system Updated Android Security Patch to 2020.12 Updated GMS package to 2020.09 Improved system stability Camera Improved the shooting experience with the camera Network Improved connection stability of mobile network to improve the experience

It’s worth mentioning that OnePlus has already released the Android 11 update to its flagship devices and hopefully, these mid-rangers will also get the update in near future. [source]

OnePlus Nord N10 5G bags OxygenOS 10 5 8 with December 2020 security patch - 15