Xiaomi developed MIUI 12 based on Android 10 OS which looks exactly similar to iOS 13 probably has some features could be arrived later after this iOS 14 released in the month during Apple Developer Conference WWDC 20.
The global community forums suggests the update on MIUI 12 has been all set to rolling out in the end of June for Redmi Note 8 Pro users. If we recall, Xiaomi Global Head interact with some users on his twitter account gives us hint about the Global ROM based on MIUI 12 ready to released in this month.
This comes to be true, The final stage development start pushing out in the next week in China as the roadmap suggests on MIUI 12 China devices. If we will awaited to experience the MIUI 12 in our Redmi Note 8 Pro.
The community suggested the rolling out MIUI 12 update on selected devices only. But this will depends on how fast bugs will be discovered on global rom while users actually tested on their devices.
The full rollout will be done in the month of July as said in the global community. This could be part of phase 2 rollout that is expected to begin in middle of July.
We will update all necessary details once more updates information will be shared with us. Stay Tuned!