diff --git a/eng/Version.Details.props b/eng/Version.Details.props
index 6f8a2518e65..08c7c839272 100644
--- a/eng/Version.Details.props
+++ b/eng/Version.Details.props
@@ -27,7 +27,7 @@ This file should be imported by eng/Versions.props
   </PropertyGroup>
   <!--Property group for alternate package version names-->
   <PropertyGroup>
-    <!-- dotnet/dotnet dependencies -->
+    <!-- dotnet-dotnet dependencies -->
     <MicrosoftDotNetArcadeSdkVersion>$(MicrosoftDotNetArcadeSdkPackageVersion)</MicrosoftDotNetArcadeSdkVersion>
     <MicrosoftDotNetBuildTasksTemplatingVersion>$(MicrosoftDotNetBuildTasksTemplatingPackageVersion)</MicrosoftDotNetBuildTasksTemplatingVersion>
     <MicrosoftDotNetHelixSdkVersion>$(MicrosoftDotNetHelixSdkPackageVersion)</MicrosoftDotNetHelixSdkVersion>
diff --git a/eng/common/core-templates/steps/publish-logs.yml b/eng/common/core-templates/steps/publish-logs.yml
index 5a927b4c7bc..a9ea99ba6aa 100644
--- a/eng/common/core-templates/steps/publish-logs.yml
+++ b/eng/common/core-templates/steps/publish-logs.yml
@@ -31,7 +31,6 @@ steps:
       -runtimeSourceFeed https://ci.dot.net/internal 
       -runtimeSourceFeedKey '$(dotnetbuilds-internal-container-read-token-base64)'
       '$(publishing-dnceng-devdiv-code-r-build-re)'
-      '$(MaestroAccessToken)'
       '$(dn-bot-all-orgs-artifact-feeds-rw)'
       '$(akams-client-id)'
       '$(microsoft-symbol-server-pat)'
diff --git a/eng/common/templates/post-build/post-build.yml b/eng/common/templates/post-build/post-build.yml
index ef8cf549113..53ede714bdd 100644
--- a/eng/common/templates/post-build/post-build.yml
+++ b/eng/common/templates/post-build/post-build.yml
@@ -5,4 +5,4 @@ stages:
     is1ESPipeline: false
 
     ${{ each parameter in parameters }}:
-      ${{ parameter.key }}: ${{ parameter.value }}
+      ${{ parameter.key }}: ${{ parameter.value }}
\ No newline at end of file
diff --git a/src/EFCore/Query/Internal/StructuralTypeMaterializerSource.cs b/src/EFCore/Query/Internal/StructuralTypeMaterializerSource.cs
index 2bbe52d34a4..aee6fef4206 100644
--- a/src/EFCore/Query/Internal/StructuralTypeMaterializerSource.cs
+++ b/src/EFCore/Query/Internal/StructuralTypeMaterializerSource.cs
@@ -204,7 +204,12 @@ IServiceProperty serviceProperty
 
             IComplexProperty complexProperty
                 => CreateMaterializeExpression(
-                    new StructuralTypeMaterializerSourceParameters(complexProperty.ComplexType, "complexType", complexProperty.ClrType, nullable || complexProperty.IsNullable, QueryTrackingBehavior: null),
+                    new StructuralTypeMaterializerSourceParameters(
+                        complexProperty.ComplexType,
+                        "complexType",
+                        complexProperty.ClrType,
+                        complexProperty.IsNullable,
+                        QueryTrackingBehavior: null),
                     bindingInfo.MaterializationContextExpression),
 
             _ => throw new UnreachableException()
diff --git a/test/EFCore.Cosmos.FunctionalTests/Query/AdHocComplexTypeQueryCosmosTest.cs b/test/EFCore.Cosmos.FunctionalTests/Query/AdHocComplexTypeQueryCosmosTest.cs
index ec3b98de042..4aaeb064d04 100644
--- a/test/EFCore.Cosmos.FunctionalTests/Query/AdHocComplexTypeQueryCosmosTest.cs
+++ b/test/EFCore.Cosmos.FunctionalTests/Query/AdHocComplexTypeQueryCosmosTest.cs
@@ -1,6 +1,8 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using Microsoft.EntityFrameworkCore.Cosmos.Internal;
+
 namespace Microsoft.EntityFrameworkCore.Query;
 
 public class AdHocComplexTypeQueryCosmosTest(NonSharedFixture fixture) : AdHocComplexTypeQueryTestBase(fixture)
@@ -60,6 +62,16 @@ OFFSET 0 LIMIT 2
 """);
     }
 
+    public override async Task Non_optional_complex_type_with_all_nullable_properties_via_left_join()
+    {
+        Assert.Equal(
+            CosmosStrings.UpdateConflict("1"),
+            (await Assert.ThrowsAsync<DbUpdateException>(
+                () => base.Non_optional_complex_type_with_all_nullable_properties_via_left_join())).Message);
+
+        AssertSql();
+    }
+
     public override async Task Nullable_complex_type_with_discriminator_and_shadow_property()
     {
         await base.Nullable_complex_type_with_discriminator_and_shadow_property();
diff --git a/test/EFCore.Specification.Tests/Query/AdHocComplexTypeQueryTestBase.cs b/test/EFCore.Specification.Tests/Query/AdHocComplexTypeQueryTestBase.cs
index 36a15190035..b5d5739c8e3 100644
--- a/test/EFCore.Specification.Tests/Query/AdHocComplexTypeQueryTestBase.cs
+++ b/test/EFCore.Specification.Tests/Query/AdHocComplexTypeQueryTestBase.cs
@@ -239,6 +239,80 @@ public class ComplexTypeWithAllNulls
 
     #endregion 37162
 
+    #region 37304
+
+    [ConditionalFact]
+    public virtual async Task Non_optional_complex_type_with_all_nullable_properties_via_left_join()
+    {
+        var contextFactory = await InitializeNonSharedTest<Context37304>(
+            seed: context =>
+            {
+                context.Add(
+                    new Context37304.Parent
+                    {
+                        Id = 1,
+                        Children =
+                        [
+                            new Context37304.Child
+                            {
+                                Id = 1,
+                                ComplexType = new Context37304.ComplexTypeWithAllNulls()
+                            }
+                        ]
+                    });
+                return context.SaveChangesAsync();
+            });
+
+        await using var context = contextFactory.CreateDbContext();
+
+        var parent = await context.Set<Context37304.Parent>().Include(p => p.Children).SingleAsync();
+
+        var child = parent.Children.Single();
+        Assert.NotNull(child.ComplexType);
+        Assert.Null(child.ComplexType.NullableString);
+        Assert.Null(child.ComplexType.NullableDateTime);
+    }
+
+    private class Context37304(DbContextOptions options) : DbContext(options)
+    {
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<Parent>(b =>
+            {
+                b.Property(p => p.Id).ValueGeneratedNever();
+            });
+
+            modelBuilder.Entity<Child>(b =>
+            {
+                b.Property(c => c.Id).ValueGeneratedNever();
+                b.HasOne(c => c.Parent).WithMany(p => p.Children).HasForeignKey(c => c.ParentId);
+                b.ComplexProperty(c => c.ComplexType);
+            });
+        }
+
+        public class Parent
+        {
+            public int Id { get; set; }
+            public List<Child> Children { get; set; } = [];
+        }
+
+        public class Child
+        {
+            public int Id { get; set; }
+            public int ParentId { get; set; }
+            public Parent Parent { get; set; } = null!;
+            public ComplexTypeWithAllNulls ComplexType { get; set; } = null!;
+        }
+
+        public class ComplexTypeWithAllNulls
+        {
+            public string? NullableString { get; set; }
+            public DateTime? NullableDateTime { get; set; }
+        }
+    }
+
+    #endregion 37304
+
     #region Issue37337
 
     private const string Issue37337CreatedByShadowPropertyName = "CreatedBy";