Microsoft has been released for Insiders who are registered in the Release Preview ring Windows 10 build 14393.479 in the form of updates. If you are not subscribed to that particular ring, don't worry as the updated rollup will reach your computer very soon.
There is currently no one change log that mentions the changes that the update brings and so once again it is not known what to put on your computer.
The update support page only reports:
This update includes improvements and fixes to enhance the functionality of Window 10 Version 1607.
or in English:
This Update includes improvements and fixes to enhance the functionality of Windows 10 Version 1607.
Hopefully, the company will provide more information after necessary insider testing and the availability of information to the general public.
The update is like ID KB3201845.
Since it is yet another cumulative update, it will be necessary to release all improvements in security performance and fixes on the fixed channel of Window 10 after a short period of time.
If you are a registered user in the Release Preview Ring, open the Settings and go to Update and you will see the new cumulative update.
If you have installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your computer. If you are installing a Windows 10 update package for the first time, the package for the x86 version is 503 MB and the package for the x64 version is 937 MB.
Alternatively, you can use the links below.