Microsoft is working on to bring fixes and improvements to Windows 10 with its upcoming updates. The company is also testing upcoming Redstone 2 builds for insiders. Windows insider team is now testing Windows 10 PC build 14935 and mobile build 10.0.14935.1000 internally. The latest internal build is compiled on September 22, 2016.
For Windows 10 1607 Anniversary Update users, the company is working on cumulative update build 14393.294. The company is also testing cumulative update build 10586.596 for Windows 10 1511 Threshold 2 PC and Mobile users.
Recently, Microsoft rolled out build 14931 for fast ring insider members. A new cumulative Update kb3189866 build 14393.187 for PC and Mobile build 10.0.14393.189 for Windows 10 Anniversary Update users is now available.