Microsoft has today announced a new preview version of its new Project Reunion app framework, designed to unify the development platforms across Win32 and UWP apps. Microsoft launches Project Reunion 0.5 in March, and today is releasing version 0.8 which includes down-level support for Windows 10 version 1809 and up, .NET 5 support, as well as WinUI 3 and WebView2 support.