WPF attributes coming to csproj or remain in AssemblyInfo?

Now that .NET Core (or perhaps more correctly stated, MSBUILD?) is supposed use a hodgepodge of new csproj XML tags to create the assembly attributes we used to declare in AssemblyInfo.cs, what's the plan for WPF when it comes to things like `System.Windows.ThemeInfo` or the XML namespace attributes from `System.Windows.Markup`? Right now I'm having to create a my own Properties folder and AssemblyInfo.cs.

Assuming WPF will follow the pattern of Even More Tags, will they be documented with the rest of csproj, or stashed away somewhere WPF-specific? (It looks like the current csproj docs are already missing a lot of tags, judging from the open issues list.)

Or is it all still too early to say for sure?