The packaging [issue](https://github.com/microsoft/CsWinRT/issues/304) of the CsWinRT project seem to be [resolved](https://github.com/microsoft/CsWinRT/pull/1008) ~~with the .NET 6 release wave~~. There is a diff showing the expected [behavior](https://github.com/microsoft/CsWinRT/pull/1011/files#diff-fd27a6d788f411c0d57e7eca692baa62269c66033cd41b47a4e59f4968dc2ae5).