In order to fulfill the basic functions of our service, the user hereby agrees to allow Xiaomi to collect, process and use personal information which shall include but not be limited to written threads, pictures, comments, replies in the Mi Community, and relevant data types listed in Xiaomi's Private Policy. By selecting "Agree", you agree to Xiaomi's Private Policy and Content Policy .
Already discussed several times in Mi Community, Mi Forum and in XDA forums. You would find many threads related to this. There has been a rumour about its support coming to the device, but we haven't heard any official word from Xiaomi yet (refer thread shared below).
Here's one discussion from Mi Community : https://c.mi.com/thread-1921050-1-0.html (Use browser to open link - Mi Community app has issues showing links)