Quite unexpectedly, Xiaomi has now started the Android 11 rollout for the Redmi Note 8. The rollout is still in its infancy, however, as it's only being sent out to enrolled beta testers in China, but it's something nonetheless and the myriad of Redmi Note 8 owners now have something to look forward to.
https://www.notebookcheck.net/Early-Android-11-build-starts-rolling-out-to-the-Redmi-Note-8.513765.0.html