Recently the Popular Redmi Note 4 has received MIUI 9. Which changes the overall user experience of the device. It also make the device super fluid.
The Update is around 150 MB in size. This update has the following components:-
1. MIUI 9
2. October Android Security Patch (1 October 2017)
3. Multi Screen support (A.K.A Split screen)
4. New Icon packs.
5. New apps opening and closing animation.
6. MI Drop
Now hoping that Xiaomi would also release the latest Android Oreo for the Redmi Note