Windows 10 build 17662 is now going through internal testing. The new Windows 10 Redstone 5 build 17662 (10.0.17662.1000 rs_prerelease.180430-1405) was compiled on April 30, 2018.
Previously, Windows 10 Redstone 5 preview build 17655 was released for Skip ahead Insiders. The build comes with new features and improvements. The latest release brings a new and improved Mobile Broadband (MBB) USB class driver based on Net Adapter framework.
Windows 10 April 2018 Update is also now available for end users. The latest major update comes with new features like Timeline, Focus Assist and more. Apart from this, it includes various changes and improvements. You can download the ISO files from the link below.