hello world not compile: The tag 'MediaElement' does not exist in XML namespace 'clr-names pace:Unosquare.FFME;assembly=FFME.Windows'

[LeiYangGH]

i created a .net 8 wpf application, added nuget reference and added the player in xaml. but cannot compile.

<ItemGroup> <PackageReference Include="FFME.Windows" Version="4.4.350" /> </ItemGroup>

<Grid> <ffme:MediaElement/> </Grid>

see my code https://github.com/LeiYangGH/wpf-video-test/tree/ffme
and the github action has ci failing.