[Messaging]
Optimization – Show pop-up notifications when clicking URL in MMS
Fix – Sometimes app might FC when enabling cloud messaging in Mi Cloud

[Lockscreen, Status bar, Notification shade]
New – Number of an app's notifications shown on it's icon supports third-party customization
Optimization – Icons of toggles in the Notification shade
Optimization – Status bar style
Optimization – Do not support swip down gesture for floating notifications

[Home Screen]
New – App names and other home screen elements will automatically change colors with wallpapers
New – Support auto-filling blanks after batch deleting icons in home screen editing mode
Fix – Sometimes, icons were repeated
Fix – Sometimes, icons in the Dock were in wrong order

[Music]
New – Support syncing songs to Mi Cloud (Settings – Mi Cloud – Music)
Optimization – Use high definition pictures in the online music details page
Fix – Incorrect round corners in the online music details page

[Weather]
Fix – Bottom half of the main page was blank

[Mail]
Optimization – Mail Login page
Fix – It would go back to the homescreen after logging into account
Fix – Receiver names in the Cc box might show unrecognizable code
Fix – Receiver names might show unrecognizable code
Fix – Incorrect form in the composing email page

[Browser]
New – Show searching results in a new page after choosing Find in page for selected text
New – Data saving mode
New – Online page text font will change with theme font
New – Support WML page
Optimization – New kernel supports system theme font
Fix – Music would continue playing after being discontinued

[Calendar]
Optimization – Month view style
Fix – Incorrect page form when creating new events
Fix – App would FC when clicking on the location in an event
Fix – Sometimes, page moved slowly when swiping

[Other]
Fix – Sometimes com.xiaomi.eventreceiver would crash

[Security]
Fix – Incorrect system storage  in Cleaner – Advanced

 [Contacts]
 Optimization – Simplified display method of WeChat/Google+ accounts etc. in contacts detail page
 Optimization – Set QQ as default IM when adding a new contact
 Optimization – When sending contacts information using SMS, the contact's recently used number will be marked
 Fix – Sometimes, opening unnamed contacts would cause app to FC
 Fix – Some characters blurred in the add new contact page
 Fix – Form error in contacts settings page
 Fix – Call logs could be seen in Guest mode
 Fix – When managing SIM contacts, the app might FC if you reenter it after exiting by pressing the Home button
 Fix – When adding an extension number to contacts after calling it, the number would show incorrectly
 Fix – If set a contact's birthday to February 29 without choosing the year, it would show as March 1

 [Lockscreen, Status bar, Notification shade]
 Optimization – If a theme needs to unlock by swiping upward, the upward arrow wouldn't show
 Optimization – Added gradual black change when there's no lockscreen password
 Optimization – Transition animation of Notifications page and Toggles page

 [Home screen]
 Optimization – Optimized icon size
 Optimizaiton – Icon shadow is turned off by default
 Fix – When searching apps in the dock, the app's icon didn't show completely
 Fix – Sometimes, icons couldn't be moved to the right of the dock

 [Gallery]
 Fix – After user upgraded versions, app would FC

 [Weather]
 Optimization – Optimized UI for extremely hazardous AQI

 [Mail]
 Optimization – New version of MIUI Mail

 [Calendar]
 Fix – The screen wouldn't turn off after being waken up by pop-up reminder
 Fix – Sometimes, the homescreen widget showed months incorrectly

 [System]
 Fix – Open SSL security flaw