From 13af244ccd850cb01ad7a6f58ddfb416b45e22ab Mon Sep 17 00:00:00 2001
From: Kevin Jump <kevin@thejumps.co.uk>
Date: Tue, 15 Jul 2025 10:51:09 +0100
Subject: [PATCH 1/3] Add a backing field for EditorUIAlias and track changes
 when its set.

---
 src/Umbraco.Core/Models/DataType.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Umbraco.Core/Models/DataType.cs b/src/Umbraco.Core/Models/DataType.cs
index e9d9258643f6..7978ca30be1c 100644
--- a/src/Umbraco.Core/Models/DataType.cs
+++ b/src/Umbraco.Core/Models/DataType.cs
@@ -17,6 +17,7 @@ public class DataType : TreeEntityBase, IDataType
     private IDictionary<string, object> _configurationData;
     private ValueStorageType _databaseType;
     private IDataEditor? _editor;
+    private string? _editorUIAlias;
     private bool _hasConfigurationObject;
 
     /// <summary>
@@ -60,7 +61,11 @@ public IDataEditor? Editor
 
     /// <inheritdoc />
     [DataMember]
-    public string? EditorUiAlias { get; set; }
+    public string? EditorUiAlias
+    {
+        get => _editorUIAlias;
+        set => SetPropertyValueAndDetectChanges(value, ref _editorUIAlias, nameof(EditorUiAlias));
+    }
 
     /// <inheritdoc />
     [DataMember]

From 7519e548a5e87895ab271ebc2e718aa5242f0761 Mon Sep 17 00:00:00 2001
From: Andy Butland <abutland73@gmail.com>
Date: Mon, 21 Jul 2025 08:59:22 +0200
Subject: [PATCH 2/3] Add previously failing unit test to verify fix.

---
 .../Umbraco.Core/Models/DataTypeTests.cs      | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 tests/Umbraco.Tests.UnitTests/Umbraco.Core/Models/DataTypeTests.cs

diff --git a/tests/Umbraco.Tests.UnitTests/Umbraco.Core/Models/DataTypeTests.cs b/tests/Umbraco.Tests.UnitTests/Umbraco.Core/Models/DataTypeTests.cs
new file mode 100644
index 000000000000..bc27f3ea84ce
--- /dev/null
+++ b/tests/Umbraco.Tests.UnitTests/Umbraco.Core/Models/DataTypeTests.cs
@@ -0,0 +1,35 @@
+// Copyright (c) Umbraco.
+// See LICENSE for more details.
+
+using NUnit.Framework;
+using Umbraco.Cms.Core.Models;
+using Umbraco.Cms.Tests.Common.Builders;
+using Umbraco.Cms.Tests.Common.Builders.Extensions;
+
+namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Core.Models;
+
+[TestFixture]
+public class DataTypeTests
+{
+    [Test]
+    public void Can_Update_And_Verify_Dirty_Properties()
+    {
+        var dataType = new DataTypeBuilder()
+            .WithName("Test Data Type")
+            .WithDatabaseType(ValueStorageType.Ntext)
+            .Build();
+
+        dataType.ResetDirtyProperties();
+
+        dataType.DatabaseType = ValueStorageType.Nvarchar;
+        dataType.EditorUiAlias = "Test.EditorUiAlias";
+
+        var dirtyProperties = dataType.GetDirtyProperties().OrderBy(x => x).ToList();
+
+        Assert.IsTrue(dataType.IsPropertyDirty(nameof(dataType.DatabaseType)));
+        Assert.IsTrue(dataType.IsPropertyDirty(nameof(dataType.EditorUiAlias)));
+
+        Assert.AreEqual(2, dirtyProperties.Count);
+        Assert.AreEqual($"{nameof(dataType.DatabaseType)},{nameof(dataType.EditorUiAlias)}", string.Join(",", dirtyProperties));
+    }
+}

From 0b8cd7a1c67da2d859dce119ee9a722b8b76ab19 Mon Sep 17 00:00:00 2001
From: Andy Butland <abutland73@gmail.com>
Date: Mon, 21 Jul 2025 08:59:45 +0200
Subject: [PATCH 3/3] Aligned backing field casing with property name.

---
 src/Umbraco.Core/Models/DataType.cs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Umbraco.Core/Models/DataType.cs b/src/Umbraco.Core/Models/DataType.cs
index 7978ca30be1c..cac12d1bb28a 100644
--- a/src/Umbraco.Core/Models/DataType.cs
+++ b/src/Umbraco.Core/Models/DataType.cs
@@ -17,7 +17,7 @@ public class DataType : TreeEntityBase, IDataType
     private IDictionary<string, object> _configurationData;
     private ValueStorageType _databaseType;
     private IDataEditor? _editor;
-    private string? _editorUIAlias;
+    private string? _editorUiAlias;
     private bool _hasConfigurationObject;
 
     /// <summary>
@@ -63,8 +63,8 @@ public IDataEditor? Editor
     [DataMember]
     public string? EditorUiAlias
     {
-        get => _editorUIAlias;
-        set => SetPropertyValueAndDetectChanges(value, ref _editorUIAlias, nameof(EditorUiAlias));
+        get => _editorUiAlias;
+        set => SetPropertyValueAndDetectChanges(value, ref _editorUiAlias, nameof(EditorUiAlias));
     }
 
     /// <inheritdoc />