A few days ago, Microsoft released a Windows 10 update with build number 20197 to participants within the Windows Insider test program on the theme of Dev Channel. He found evidence of changes within the design of key OS components. The thematic resource WindowsLatest has identified “evidence”. The authors found a link to WinUI within the Start menu and Action Center.
From 20197 file collection of Microsoft database, it has been observed that new design of basic functions of operating system is under testing by the team. WinUIDesktopActionCenter, WinUIOnDesktop, WinUIDesktopStartMenu
WinUI may be a next-generation interface platform for Windows, Windows 10, Windows 10X, and high-end devices like the Surface Duo. Microsoft has already confirmed that WinUI are often wont to update Win32 programs, also on create new Win32 or UWP (Universal Windows Platform) programs under the new rules.
Windows 10 is expecting an enormous change within the interface
Currently, the beginning menu, message center, and other modern design elements are written in XAML and use Windows.UI.XAML components.
As results of these actions, future versions of Windows may receive rounded window corners, buttons, other elements of the new fluent design that replaces Modern, and a number of other new components for the user.