Merge remote-tracking branch 'origin/v13/dev' into v14/dev

# Conflicts:
#	Directory.Build.props
#	src/Umbraco.Web.BackOffice/Controllers/MediaController.cs

src/Umbraco.Core/Models/ContentEditing/ContentVariationDisplay.cs

@@ -14,6 +14,7 @@ public class ContentVariantDisplay : ITabbedContent<ContentPropertyDisplay>, ICo
         Tabs = new List<Tab<ContentPropertyDisplay>>();
         Notifications = new List<BackOfficeNotification>();
         AllowedActions = Enumerable.Empty<string>();
+        AdditionalPreviewUrls = Enumerable.Empty<NamedUrl>();
     }
 
     [DataMember(Name = "allowedActions", IsRequired = true)]
@@ -72,6 +73,9 @@ public class ContentVariantDisplay : ITabbedContent<ContentPropertyDisplay>, ICo
     /// </summary>
     [DataMember(Name = "tabs")]
     public IEnumerable<Tab<ContentPropertyDisplay>> Tabs { get; set; }
+
+    [DataMember(Name = "additionalPreviewUrls")]
+    public IEnumerable<NamedUrl> AdditionalPreviewUrls { get; set; }
 }
 
 public class ContentVariantScheduleDisplay : ContentVariantDisplay

src/Umbraco.Core/Models/ContentEditing/NamedUrl.cs

@@ -0,0 +1,13 @@
+using System.Runtime.Serialization;
+
+namespace Umbraco.Cms.Core.Models.ContentEditing;
+
+[DataContract(Name = "namedUrl", Namespace = "")]
+public class NamedUrl
+{
+    [DataMember(Name = "name")]
+    public required string Name { get; set; }
+
+    [DataMember(Name = "url")]
+    public required string Url { get; set; }
+}