Microsoft released Windows 10 Insider Preview build 17017 to the Windows Insiders who are on the Fast ring, and that also includes the insiders who opted in to Skip Ahead. If you are among them, check for updates to get the new bits installed on your system.

This is the first build, for the fast ring Windows Insiders, from the Redstone 4 (RS4) development branch. Checkout to know what's new in this build.

Microsoft released a new update for Visual Studio 2017, increasing the version to 15.4. If you have already installed Visual Studio 2017, you will get the update notification under the notification icon. You can also check for updates inside the Extensions and Updates dialog.

Check out this blog post to know what has been newly added/updated in this build. It also lists the issues that has been fixed.