This Weeks Changelog is lookin kinda light......
Again, this is the OFFICIAL MIUI China Changelog. Our MIUI RAZR build has not been updated yet...
Changelog of MIUI 2.5.4
[System]
Optimization to increase efficiency of loading list of installed applications
Fix in some cases when connecting to Wi-Fi, data connections do not become disconnected successfully
Fix some incompatibility problems with Google Maps
[Phone]
Delete T9 Search contacts custom phonetic features in order to solve problems where contact could not be added
[Lockscreen, Status bar and notifications]
Fix problem setting Custom status bar notifications leads to FC error
[Themes]
Fix problems with themes being unable to modify the system font color
[Camera]
Optimization of image sharpness and overall quality / saturation (MI-ONE Only)
[Backup]
Fix in some cases when recovering data operation is completed successfully, the result will be displayed as 0Bytes restored
[Browser]
Optimization of the rendering engine model algorithm
[Alarm Clock]
Optimize re-enable alarm stop and start time intervals