App.razor

@using System.Reflection
@using TryMudBlazor.Client.Pages
@using TryMudBlazor.Client.Services
@implements IDisposable

<Router AppAssembly="@typeof(Program).Assembly"
        AdditionalAssemblies="@_additionalAssemblies"
        NotFoundPage="typeof(NotFound)">
    <Found Context="routeData">
        <RouteView RouteData="@routeData" DefaultLayout="@typeof(EmptyLayout)" />
    </Found>
</Router>

@code {
    private readonly Assembly[] _additionalAssemblies;
    private readonly IDisposable _subscription;

    public App(UserComponentsAssemblyService assemblyService)
    {
        _additionalAssemblies = [assemblyService.Assembly];
        _subscription = assemblyService.Subscribe(HandleAssemblyChanged);
    }

    private Task HandleAssemblyChanged(Assembly assembly)
    {
        _additionalAssemblies[0] = assembly;
        return InvokeAsync(StateHasChanged);
    }

    public void Dispose()
    {
        _subscription.Dispose();
    }
}