This update is said to be the last build based on Android 10 for Note 8 Pro. It is rolling out via OTA and may take a few days to reach your smartphone. A couple of days ago, Xiaomi discontinued the development of MIUI 12 and shifted its focus to next iteration that is MIUI 12.5. Several reports mentions that it is an early development of MIUI 13.
Redmi Note 8 and Note 8 Pro could be the next set of Redmi devices to receive Android 11 update. The smartphones are expected to receive early beta updates in China in the upcoming weeks. [via]

 V12 0 6 0 QGGRUXM  Redmi Note 8 Pro is receiving a new software update ahead of Android 11 upgrade - 97