A third major innovation for WPF was in .NET 9.0, which was released on November 12, 2024 with the Fluent Design (already mentioned above), including support for Dark Mode of Windows 10 and 11.

The look and feel of WinUI 3 is more modern than WPF, even though WPF has been able to activate the Fluent Design since .NET 9.0 using the built-in resource dictionary (see Figure 5).

Desktop development components were also updated, with WPF and WinForms of special interest to Visual Studio Magazine readers. "Windows Forms and WPF continue to be the most popular platforms for ...