The new update for Windows 10 brings the build number up to 17134.1 and includes a large number of noticeable changes, as well as a few completely new features. The essentials include Timeline, Nearby Sharing, Edge Extensions in the Microsoft Store, Focus Assist, an improved Game Bar, and much more.
https://www.notebookcheck.net/The-Windows-10-April-2018-Update-now-rolling-out.301682.0.html