New - 24-hour wallpaper
Optimize - Removed unnecessary sound notifications for DND mode
Optimize - Lock screen pocket mode

Fix - Ending calls took longer time than expected

App lock
Fix - Issues with the App lock password form on some devices

Fix - Contacts couldn't be deleted from SIM cards in some cases

Lockscreen, status bar, Notification shade
New - Permanent Lock screen notifications in the DND mode
New - Use your fingerprint to open Home screen once you unlocked the device using face data and stayed on the Lock screen
New - Introducing customizable Lock screen clock (Settings > Lock screen & password > Advanced settings). New Lock screen clock doesn't work with third party themes.
New - More clock formats for Ambient display
Optimize - Prompt for adding a screen lock before recording a fingerprint
Optimize - Animation for switches
Optimize - Calendar icon on the turned off screen
Optimize - Improved UI and layouts for selecting items that are displayed on the turned off screen
Optimize - In-screen fingerprint scanner's response
Optimize - Wallpaper loads faster in Second space now
Optimize - Readjusted sensitive areas for the dots in the unlock pattern
Optimize - Always on display stability
Fix - Screen didn't always light up for notifications
Fix - Folder with unimportant notification was displayed even all the incoming notifications were important
Fix - Clock flashed when fingerprint unlock was used
Fix - Fingerprint shortcuts didn't work in landscape orientation
Fix - Media volume couldn't be restored after receiving a notification
Fix - Screen lock prompt wasn't displayed correctly in lanscape orientation
Fix - Fingerprint icon didn't appear on time on the Lock screen
Fix - Face unlock animation didn't work properly
Fix - Issues with overlapping in Dual Clock settings
Fix - Battery-related floating notifications weren't displayed correctly in landscape mode
Fix - "Always on screen" items still appeared after this feature had been turned off
Fix - Issues with triggering the Notification shade during calls

Fix - Timer button started flashing after being tapped
Fix - Clock force closed on some specific dates

Fix - When Mi AI was off, Calculator crashed in some cases

New - Quick replies for messaging apps
Optimize - Sorting principles for Wi-Fi networks

New - You can blur the previews of some apps in Recents now

Fix - Noon was displayed as midnight in events

Game speed booster
New - Continuous swiping opens an additional menu in Game Turbo now
New - Floating windows for incoming calls during games
Optimize - Improved display options for landscape orientation
Optimize - You can open the gaming toolbox by swiping from the top side of the screen
Optimize - Auto brightness, screenshot gestures, and Reading mode can be turned off automatically when Game Turbo is on
Optimize - A major upgrade for the toolbox in Game Turbo. including auto play and switching between data SIM cards

Fix - Virus scan started over after users tapped the results of a completed scan

Mi Cloud
Optimize - We redesigned Mi Cloud's start page. It looks much better now!
Optimize - Improved sync efficiency
Optimize - Improved sync across multiple devices
Fix - Mi Cloud services stopped working when the users signed out of their Mi Account