Xiaomi may already be testing Android 11 builds of MIUI 12 for multiple devices internally, according to a new report. It seems that the Redmi K20, Redmi K30 and Mi CC9 Pro are next up for Android 11, as should the Mi Note 10, Mi Note 10 Pro, Mi 9T and Poco X2 by extension.
https://www.notebookcheck.net/The-Xiaomi-Redmi-K20-Mi-CC9-Pro-and-Redmi-K30-may-be-next-in-line-for-Android-11-based-MIUI-12-upgrades.494687.0.html