Pues, en contra de mis principios, igual me lanzo hoy por la tarde.
CHANGELOG
Update to MIUI 12. You have to install this update MANUALLY - OTA from MIUI 11 will not work.
System
New - Dark mode 2.0 (automatically adjust font weight and contrast depends of conditions)
New - New layout of almost views
New - New animations
New - Floating windows
New - More focus on privacy (virtual ID, permissions control, notifications about using permissions)
Notification bar
New - Now you can choice between 2 views (swipe from upper left to open notification bar, from upper right to open Control center - toggles view) or old style ("Use Control center" option disabled)
New - Control center with new toggles view
Screen time
Optimization - Visual changes, new layout
Camera
New - New app version - only on selected devices (on all devices until end of May)
Scanner
New - You can generate QR code on the settings
New - You can turn on Scanner history
Home screen
New - Floating windows
Messaging
New - Promotional messages are grouped according to their content now
New - New layout of "New message"
Weather
New - New layout
Gallery
New - More sky filters
New - Transitions on video editor
Calendar
New - You can search events now
New - UI designed for vertical and horizontal views
Health
New - Mew design
New - Dark mode support
New - Support for Xiaomi Watch as data source
App vault
New - You can see percentage of connected Bluetooth devices