Removing an assertion that doesn't really help that was breaking code…

src/Testing/CoreTests/Codegen/TestingTypes.cs

@@ -3,6 +3,17 @@ namespace CoreTests.Codegen;
 public interface IWidget{}
 
 public class AWidget : IWidget{}
+public class BWidget : IWidget{}
+
+public class ServiceUsingWidget : IWidget
+{
+    public ServiceUsingWidget(IColor color)
+    {
+        Color = color;
+    }
+
+    public IColor Color { get; set; }
+}
 
 public interface ISingletonLambda{}
 public class SingletonLambda : ISingletonLambda{}

src/Testing/CoreTests/Codegen/enumerable_dependencies.cs

@@ -0,0 +1,63 @@
+using System.Diagnostics;
+using JasperFx.CodeGeneration;
+using JasperFx.Core;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Wolverine.Tracking;
+using Xunit;
+
+namespace CoreTests.Codegen;
+
+public class enumerable_dependencies
+{
+    [Fact]
+    public async Task can_use_mixed_scoping_of_array_elements()
+    {
+        using var host = await Host.CreateDefaultBuilder()
+            .UseWolverine(opts =>
+            {
+                opts.Services.AddSingleton<IColor, Red>();
+                opts.Services.AddSingleton<IWidget, AWidget>();
+                opts.Services.AddSingleton<IWidget, BWidget>();
+                opts.Services.AddScoped<IWidget, ServiceUsingWidget>();
+
+                opts.CodeGeneration.GeneratedCodeOutputPath = AppContext.BaseDirectory
+                    .ParentDirectory().ParentDirectory().ParentDirectory().AppendPath("Internal", "Generated");
+                opts.CodeGeneration.TypeLoadMode = TypeLoadMode.Auto;
+
+
+            }).StartAsync();
+
+        await host.InvokeMessageAndWaitAsync(new WidgetUsingMessage());
+        await host.InvokeMessageAndWaitAsync(new WidgetUsingMessage2());
+    }
+}
+
+public record WidgetUsingMessage;
+public record WidgetUsingMessage2;
+
+public static class WidgetUsingMessageHandler
+{
+    public static void Handle(WidgetUsingMessage message, IEnumerable<IWidget> widgets)
+    {
+        // Don't really need to do anything here
+        Debug.WriteLine("Got here");
+    }
+}
+
+public class WidgetUsingMessage2Handler
+{
+    private readonly IWidget[] _widgets;
+
+    public WidgetUsingMessage2Handler(IEnumerable<IWidget> widgets)
+    {
+        _widgets = widgets.ToArray();
+    }
+
+
+    public void Handle(WidgetUsingMessage2 message)
+    {
+        _widgets.Any().ShouldBeTrue();
+        Debug.WriteLine("Got here");
+    }
+}

src/Wolverine/Codegen/ArrayPlan.cs

@@ -20,6 +20,11 @@ public ArrayFamily(Type serviceType) : base(serviceType, [new ServiceDescriptor(
     public override ServicePlan? BuildDefaultPlan(ServiceContainer graph, List<ServiceDescriptor> trail)
     {
         var plans = graph.FindAll(ElementType, trail);
+
+#if NET8_0_OR_GREATER
+        if (plans.Any(x => x.Descriptor.IsKeyedService)) return new ServiceLocationPlan(Default);
+#endif
+
         if (plans.All(x => x.Lifetime == ServiceLifetime.Singleton))
         {
             return new SingletonPlan(Default);

src/Wolverine/Codegen/ServiceLocationPlan.cs

@@ -8,16 +8,7 @@ internal class ServiceLocationPlan : ServicePlan
 {
     public ServiceLocationPlan(ServiceDescriptor descriptor) : base(descriptor)
     {
-#if NET8_0_OR_GREATER
-        if (descriptor.IsKeyedService)
-        {
-            ArgumentNullException.ThrowIfNull(descriptor.KeyedImplementationFactory);
-        }
-        else
-        {
-            ArgumentNullException.ThrowIfNull(descriptor.ImplementationFactory);
-        }
-#endif
+
     }
 
     protected override bool requiresServiceProvider(IMethodVariables method)