[System]
Optimization – Show status bar in device setting up pages

[Home screen]
Optimization – Weather widget thumbnail style in home screen editing mode
Optimization – Switch screen position directly in one-handed operation mode (swipe to the other side from Home button)
Optimization – Extended edge controlling area of one-handed operation mode to avoide misoperation

[Gallery]
Optimization – Gallery do not launch at device booting up to save RAM usage
Fix – Sometimes, a prompt would say that 'Gallery has stopped running' after taking a video
Fix – Dragging on the corner or side line of the editing box caused the image to move when setting it as wallpaper
Fix – Rotate phone when it's on Gallery front page, and images from different dates showed in vertical and horizontal mode
Fix – Wallpaper display error after setting a cloud album image as wallpaper

[Mail]
Optimization – Contacts avatar and contacts list loading speed in conversation mode
Optimization – Enhanced smoothness of mail details page
Optimization – Reduced power consumption for POP3 and IMAP accounts

[Gallery]
Optimization – Enhanced Gallery launching speed
Optimization – Enhanced speed of opening large pictures
Optimization – Enhanced image loading speed in albums list page
Optimization – Enhanced image loading speed when viewing it from an album
Optimization – Enhanced image loading speed when viewing screenshots from notification shade
Fix – Gallery would FC when sending images from Google+ to Gallery
Fix – Could not play videos after entering Gallery from Camera in lockscreen
Fix – Bottom menu bar display error after entering Gallery from Camera in lockscreen

[Mail]
New – Support choosing text fonts, colors, sizes and some other options when editing a mail
New – When replying to all recipients of a mail with attachment(s), it will ask if you want to include attachments of the last mail when you try to add more recipients
Fix – Attached images did not show

[Mi App Store]
New – Support deleting download history
Optimization – Apps downloading status display on home screen

[Browser]
Optimization – Enhanced launching speed by 25%

[Security]
New – Support blocking forwarded calls