As was reported earlier that Microsoft confirmed there will be no new Insiders Preview build this week. However the company has plans to release new builds in the coming week.
A new Cumulative update for Redstone 1 has been sighted as being tested internally by the company. This would be another Cumulative update to be released for Windows 10 and Windows 10 Mobile RS1.
The last released build for  RS1 Release preview was with version 14393.103. Considering the version number, the latest one would be a huge jump from the last released Cumulative Update.
10.0.14393.201 (rs1_release.160906-1832) https://t.co/KMjyyMPAeS #Redstone #windows pic.twitter.com/x1TfBnqoIU
— BuildFeed (@buildfeed) September 9, 2016
So considering the jump in the version number we could expect a lot of bug fixes which could be coming with the latest Cumulative Update 14393.201 compiled on 6th Sept 2016.
If there are no issues or bugs found with the latest Cumulative update then it could well go out to Insiders in Release Preview for Redstone 1.
We will update this article as and when we have any more information on the fixes or features (if any) to be released with the latest Cumulative Update.