Update: Microsoft has released new cumulative update KB3176938 build 14393.105 for Insider members. More details here.
Original Story: Microsoft Windows insider team is now testing a new cumulative update for Windows 10 Anniversary Update users. The upcoming build will push Windows 10 insider update build from 14393.103 to build 14393.105 and mobile build 10.0.14393.105. The latest update build is compiled on August 26, 2016.
It is possible that Windows Insider members may get the latest update today. Previously, Microsoft had released cumulative update KB3176938 or build 14393.103 and mobile build 10.0.14393.103 for Windows insider members.