Windows 10 build 16251

Windows 10 build 16251 (rs_prerelease) is a build of Windows 10 version 1803. It was released to Insiders in the Skip Ahead Ring on 2017-07-26.

New features

 * It is now possible to link your phone and PC.
 * It is now possible to get web search results in Cortana.
 * Use Cortana voice commands to lock, sign-out, shutdown, or turn off your PC.
 * Improved boot up experience.
 * Fixed an issue where there is a chance users may see Game Mode enabled in the Game Bar by default for some of their games.
 * Input improvements listed in the official announcement.
 * Microsoft Edge improvements listed in the official announcement.
 * Bugfixes listed in the official announcement.

Bugs and quirks

 * If you installed builds 16226 to 16237 and upgrade to this build, Storage Spaces will not work correctly.
 * Trying to use the dictation hotkey (WIN + H) in UWP apps won’t work as you’ll see the UI come up and immediately dismiss.
 * After upgrading to this build, some network settings are lost and revert to default settings.
 * Start, Action Center and notification toasts may at times have a background that is 100% transparent.
 * Connecting to a VPN using a solution downloaded from the Windows Store may result in a system crash.
 * The battery flyout might show unexpected text for the % charged.
 * When installing or updating a Windows Store app, you may see error 80070057.
 * Action Center shows it has some number of notifications but when you click to open Action Center, there are no notifications shown.