UWP is not dead, every Windows release adds more API space, React Native for Windows uses UWP, Windows 10 drivers now use UWP APIs as well (Universal drivers), WinUI uses UWP, XAML Islands use UWP, ...
WinUI is also the official replacement for MFC, which triggered the rewritte of some UWP components into C++/WinRT from .NET Native.
Windows store supports side loading since Windows 8.1, and MSIX packages have replaced APPX and MSI as the future of Windows package formats.
WinUI is also the official replacement for MFC, which triggered the rewritte of some UWP components into C++/WinRT from .NET Native.
Windows store supports side loading since Windows 8.1, and MSIX packages have replaced APPX and MSI as the future of Windows package formats.
Win32 APIs are frozen in amber since Windows 7.