Microsoft has churned out ISO for the Windows 10 Build 14366 allowing users to install windows 10 cleanly. There are ISOs for Windows 10 Home, Education, Enterprise and so on. The previous build 14342 is still available for download that is also quite smooth.
Making Windows 10 Build 14366 ISO available for download will allow users to do clean install and at the same time make life easier for newer windows insiders to hop onto latest build immediately without wasting their time and bandwidth on older builds.
14342 windows 10 build is still available for slow ring. Keep in mind that these builds are not for regular users as these builds are usually brimming with hundreds of bugs that can get into daily usage. So unless you have a spare PC or laptop, do not consider installing windows 10 14366.