MIUI 12.5 21.9.1 update brings two new features about ui redesign.
Redesiged Mi Account menu
Xiaomi health is removed in Mi Cloud menu. Mi Cloud is moved to a list and they added 2 new options in that list. Mi Community and Find Device. If you tap Mi Community, it opens Mi Community app. If you tap Find Location it shows all devices that you have and their locations to find them. Also you can share your location with other Mi Accounts.
Redesigned Mail UI
Xiaomi changed hamburger menu icon to arrow icon. When you press over it, it opens new menu with new bigger icons. also header is grown.