All works perfect. Upgraded from miui 13 stable to latest 14 stable without format. I also use Laica camera Magisk module and all works perfect. Very satisfied.
I recommend fastboot update.
If you want to keep root from pervious 13 version open archive from this latest 14 stable rom and...
Works perfect on 11T Pro. Very good upgrade. Here is latest files and project site.
https://github.com/a406010503/Miui_Camera/releases
When instaling with magisk be carefull and read notices on screen. You need to press several times volume UP (+) but at finish you need to press one volume...