Microsoft is planning to release new Insider build this weekend. As reported earlier, Insider team may release build 14951 to fast ring members. Meanwhile, the team is working on another build. The new leak shows Windows Insider team is now testing PC build 14952 and mobile build 10.0.14952.1000. The build is compiled on October 17, 2016.
Today, Windows 10 1607 also received another update kb3199209. Recently, the company released cumulative update KB3194798 (Build 14393.321), KB3192441 (build 10586.633) and KB3192440 (Build 10240.17146) for Windows 10 users. Windows 10 preview build 14931 is also now available for Slow ring insiders. You can download ISO from here.