Microsoft.UI.Xaml.2.3 gets a place in Store. The info of development of this Library is available on Github. Currently, the release is shown Microsoft.UI.Xaml v2.3.191127001 hare which takes place of version 2.3.191125001. The store presents the description as – “This package provides backward-compatible versions of Windows UI features including UWP XAML controls, and Fluent styles and materials. It is part of the Windows UI Library.”
In Microsoft.UI.Xaml.2.3 version, some changes are included. This is compatible with Windows 10 version 15063.0 or higher and supports ARM, ARM64, x64, x86. Download the app from the following link –