We are talking about the Xiaomi Mi 10T and Xiaomi Mi 10T Pro models. The firmware for the devices was released in the EEA (Europe) region. OTA will also be available in other countries in the coming days.
The update was released with the build number V18.104.22.168.RJDEUXM and contains the standard changelog of the new shell. Recall that this is a slightly changed interface, improved animation, new live wallpapers and system sounds, advanced privacy settings and much more.