Yesterday Microsoft had release the new cumulative update for Windows 10 creators update with will 15063.322. Well today, Microsoft has released a small Cumulative update for the PCs running the Windows 10 Anniversary update that was released in August 2016.
The cumulative update contains nothing new except a small fix and takes up the build version to 14393.1230.
The improvement and fixes column of the Windows blog for this update KB4023680 (OS Build 14393.1230) says: This is a non security update that does includes quality improvements. There is no new features that is being introduced in this update for the operating system. The one changes included is the fixing of an issue where End User Defined Characters (EUDC) were not visible in some application.
For the known issues in this update: Microsoft says that they are currently not aware of any issues related to this update for Windows 10 AU.
If you had installed the last Anniversary update Cumulative Build 14393.1198 you will need to install only the latest update that contains small fix. To download the update go to Setting App > open Update and security > and click on Windows update and after that select the check update option. Once you had installed the update your PC will restart.