Microsoft released Windows 10 Insiders Preview Build 15019 for PCs. If you are an insider in the fast ring, check for updates to see the new update notification. It is a successor to build 15014, released last week. The new build focuses more on ‘Gaming Features’ which is going to come in Creators Update.
Checkout the new/enhanced features along with the known issues before installing this build. If you are not comfortable to install, give it a pause.