Xiaomi has confirmed that nine of its recent smartphones will be getting the MIUI 11 update based on Android Q in Q4 2019 with two others, the Redmi Note 7 and Redmi Note 7 Pro, slated to get the update by Q1 2020. The present availability is with regards to the Chinese ROM and information about global variants is not yet clear.
https://www.notebookcheck.net/Xiaomi-confirms-Android-Q-based-MIUI-11-for-11-of-its-devices-including-the-Mi-8-and-Redmi-Note-7.423968.0.html