Microsoft is now testing Windows 10 build 17039 internally. The new Redstone 4 Update build 17039 (10.0.17039.1000 rs_prerelease.171109-1416) was compiled on Nov 8, 2017. Windows Insider team is also testing mobile build 15254.12(10.0.15254.12).
Windows Insider team is expected to rollout build 17040 next week. Windows 10 monthly security cumulative updates will also release on November 14.
Windows 10 Redstone 4 update build 17035 is now available for Fast and Skip ahead insider members. This build includes many new features like Near Share. With this feature, you can now wirelessly share files and URLs to nearby PCs.