**Describe the bug**
Crash during the execution of custom effects implementations (from the `IBasicVideoEffect `or `IBasicAudioEffect `interfaces) in a WinUI 3 application. Some properties get exec…
* .NET Core Version: 3.1.9 and .Net 5.0.100
* Windows version: 10.0.18363
* Does the bug reproduce also in WPF for .NET Framework 4.8?: Not applicable since AssemblyLoadContext is not supported
I…