Microsoft has released Windows 10 Insider Preview Build 14936 for PC and Mobile to Insiders on the fast ring. This build contains a preview of the Turn Off the Lights, Tampermonkey, and Microsoft Personal Shopping Assistant extensions for Edge. The Windows Subsystem for Linux will use Ubuntu version 16.04 instead of Ubuntu 14.04 (Trusty) in an upcoming release. Microsoft also wanted to provide some info for those who may be having issues connecting to home servers or NAS devices since installing a recent insider update.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-10-insider-preview-build-14936-for-pc-and-mobile-released/