https://www.youtube.com/watch?v=yI9OyA4ZM2E
WPF Designer supporting.NET Core 3 [05:00] IntelliCode for XAML [06:00] Popout XAML into separate window [07:00] Document Outline [09:05] Easier merging of Resource Dictionaries [10:15] Runtime Tools in-app toolbar [12:45] Live Visual Tree [15:00] Hot Reload [15:45] Live Property Explorer [17:05] Show Just My XAML [18:50] More on Hot Reload [21:15] Control selection mode in UI Debugging Tools [25:35] Region support in IntelliSense [28:00] Code snippet support in IntelliSense [29:45] XAML Binding Errors window (available if you install XAML Binding Debug Output extension) [32:00] Suggested Actions (preview of upcoming feature) [35:00]