DataGridwas not present in the initial release (WPF 3.0 and 3.5) but was available in the toolkit, and was finally added to WPF 4.0.
clr-namespacein WPF and
usingin WinRT, this is enough to break XAML compatibility and discourage any flimsy will to jump!
DataGrid, and performance enhancements, and finally WPF 4.5 introduced the Ribbon and still some performance enhancements.
WindowsFormsHostyou can embed WinForms components inside your WPF applications.
ElementHost, so that you can migrate slowly to WPF avoiding the big-bang effect.