[General Topics] Jessica417:
:p:D:)

[System]

Fix - Online time synchronization causes the system to reboot

Fix - Failure in sleep mode causes phone to reboot

[Messaging]

Optimization - Messages from last search results will no longer be recorded in Global Search

Optimization - Viewing details of group sending message, clicking the drop-down menu of recipient list, and then clicking the screen can hide the drop-down list

Fix - In some cases, cloud messages cannot be fully synchronized to phone

Fix - Exiting from the slide editing page back to message thread, MMS titles may disappear

Fix - In some cases, receiving MMS messages leads to Messaging app flash back error

Fix - In private messages, click on the search results allows creating New Message option

Delete - Removed two emoticons which cannot be displayed

[Camera]

Fix - In some cases, thumbnails cannot be displayed

[Music]

New - When using earphones with remote control, long press on the “Previous” and “Next” buttons allows to fast forward and rewind

Fix - After clicking “Shuffle All” in local music, it always starts playing from the first item in the list

Fix - Download icon status error on Playing page

Fix - In sequence playback mode, clicking “Previous” on the first song in the list does not work

[Themes]

New - Added support for batch update of local themes

New - Added support for opening MIUI Themes Store links via Theme app

New - New push mechanism (Themes pushed from the web site to the phone can automatically be converted and imported)

New - Added support for theme update reminders

Optimization - Adjusted the resource style to rounded rectangle with stroke (to avoid the borderless problem in white themes)

Optimization - Backup mixed themes no longer need to be imported

Optimization - Wallpaper details page display and preview logic improvements

Optimization - When upgrading to a new version of the client, the first startup optimization time is too long

Optimization - Added "Variety alarm" entry in Mix theme page

Optimization - Added support for ringtone preview in variety alarm details page

Optimization - Optimized server distribution framework to reduce loading failure

Fix - In some cases, wallpaper and ringtones ranking page display error

Fix - Local ringtone list page display error

Fix - A series of status inconsistencies

Fix - In some cases, local themes cannot show the number of reviews and ratings

Fix - In some cases, wallpaper thumbnail display is incomplete

Fix - In some cases, deleting theme fails

Fix - In some cases, downloaded themes cannot be imported successfully

Fix - Recommended ringtone list page title error

Fix - After applying variety alarm from mixed theme mode, the default ringtone of the alarm clock will be changed synchronously

[Gallery]

Optimization - Images from Cloud albums can be set as wallpaper or contact photo

Fix - When scrolling timeline to the bottom, the lower half of the "week" is truncated

Fix - Menu items order on each page is not unified

[Desktop]

Fix - " Task Cleaner " widget has inconsistent size compared to other icons

[Anti-disturb / DND]

Fix - Block error of contacts shared messages

[Notes]

Fix - Adding text before images sometimes leads to missing image issues

Thanks to miui-uk for proofreading :)

you can see more in this forum: en.miui. here u can search 3.6.7. hope to help you