Microsoft is now rolling out Windows 10 cumulative update KB3194496 build 14393.222 for Released Preview branch and Slow Ring members. Now Windows insider team is working on next cumulative update build 14393.314.
The upcoming patch will push Windows 10 build from 14393.221 to build 14393.314 and mobile build 10.0.14393.314. The latest update build is compiled on September 26, 2016.
Microsoft had released a cumulative update kb3189866 build 14393.187 and Mobile build 10.0.14393.189 for Windows 10 1607 Anniversary Update users.