Windows 10 19H1 preview build 18272 is rolling out to the Windows Insiders in the Fast and Skip Ahead rings. Windows 10 Build 18272 comes with several improvements and fixes but there are no major changes. Microsoft has also released the ISOs of this update and you can use it to clean install Windows 10. Microsoft’s AI-powered SwiftKey virtual keyboard for Windows 10 is now available in more languages. The company says that Windows Hello sign-in options page has been redesigned.
Source: https://www.bleepingcomputer.com/news/microsoft/windows-10-build-18272-released-to-insiders-with-improvements/