Fix - VoLTE and/or VoWiFi status bar icons were being hidden for certain carriers
Fix - Black lines appearing in the middle of the screen while running an app on floating window in horizontal mode [Mi 11]

Xiaomi Cloud
Fix - Couldn't restore or create cloud backup

System launcher
Fix - Incorrect voice input icon in the search bar [Mi 11 only]

Fix - Missing translations (i.e. Chinese) in app version 5.2.23i [fixed in newest version]

Mi Share
New - Added support for ZTE, Asus, ROG and Hisense phones

For Mi 10 users - ROM will replace your TWRP with new, working one: link.
This changelog doesn't mention all changes made by or Xiaomi themselves.