MIUI 10 China Developer ROM 7.8.5
Image: MIUI

Alongside Global Beta ROM, Xiaomi has also released the MIUI 10 China Developer ROM 8.8.9. The company also reported that MIUI 10 China ROM 8.8.8 has also been released for the Mi Pad 4.

The Mi 6X update has been suspended due to system stability and the Mi 8 update due to the camera issue. The company is also working on Android 9 Pie for the MI MIX 2S, so it has suspended the current update for the device too.

The Android Pie upgrade plan for other devices will be announced soon.

MIUI 10 China Developer ROM 8.8.9 Full Changelog

In the System
AI preloaded functionality has been added, the company has also optimized o reduce the missing alarm rate of the screen – lifting algorithm and automatic brightness in some scenes when unlocking the bright screen will first light and then dim the problem has been fixed.
 
Lockscreen, Status Bar, Notification Bar
The backgroud of Notification Bar not showing accurate after applying the Third-Party Themes has been fixed and a fix for the notification of SIM Card I supporting HD call that cannot be removed has also included.

For download links and instructions to install the MIUI 10 China Developer ROM 8.8.9 follow the official Mi Community.