aspnetcore

I see the Guid has been added, can you add the test "type.IsPrimitive || type.isEnum || ..." in the IsKnownImmutableType, because using a constant enum parameter always raise the SetParameter for a component.

https://github.com/dotnet/aspnetcore/blob/7b22a279ec975335bbb0a7cbadef2e45ee15aa9c/src/Components/Components/src/ChangeDetection.cs#L39

In the "Set the environment" section, the doc refers to setting the value of env variables w/o showing how to do it.
But the goal can be achieved that way. I suggest you add this code snippet:

protected override IHostBuilder CreateHostBuilder() =>
        base.CreateHostBuilder().ConfigureWebHost(x => x.UseEnvironment("integration"));

The derived WebApplicationFactory will therefor