3 files changed, 9 insertions, 2 deletions
diff --git a/MediaBrowser.Controller/Entities/Extensions.cs b/MediaBrowser.Controller/Entities/Extensions.cs
index c56603a3eb..380041af84 100644
--- a/MediaBrowser.Controller/Entities/Extensions.cs
+++ b/MediaBrowser.Controller/Entities/Extensions.cs
@@ -34,7 +34,7 @@ namespace MediaBrowser.Controller.Entities
                 }
                 else
                 {
-                    item.RemoteTrailers = [..item.RemoteTrailers, mediaUrl];
+                    item.RemoteTrailers = [.. item.RemoteTrailers, mediaUrl];
                 }
             }
         }
diff --git a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
index 1e5b5aa164..422c40ce5d 100644
--- a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
+++ b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
@@ -21,6 +21,7 @@ namespace MediaBrowser.Controller.Entities
             AlbumArtistIds = [];
             AlbumIds = [];
             AncestorIds = [];
+            LinkedChildAncestorIds = [];
             ArtistIds = [];
             BlockUnratedItems = [];
             BoxSetLibraryFolders = [];
@@ -265,6 +266,12 @@ namespace MediaBrowser.Controller.Entities
 
         public Guid[] AncestorIds { get; set; }
 
+        /// <summary>
+        /// Gets or sets a list of ancestor ids that the item's linked children must descend from.
+        /// Useful for filtering BoxSets/Playlists to only those that contain items from a specific library.
+        /// </summary>
+        public Guid[] LinkedChildAncestorIds { get; set; }
+
         public Guid[] TopParentIds { get; set; }
 
         public CollectionType?[] PresetViews { get; set; }
diff --git a/MediaBrowser.Controller/Entities/TagExtensions.cs b/MediaBrowser.Controller/Entities/TagExtensions.cs
index c1e4d1db2f..4ddba9835b 100644
--- a/MediaBrowser.Controller/Entities/TagExtensions.cs
+++ b/MediaBrowser.Controller/Entities/TagExtensions.cs
@@ -25,7 +25,7 @@ namespace MediaBrowser.Controller.Entities
                 }
                 else
                 {
-                    item.Tags = [..current, name];
+                    item.Tags = [.. current, name];
                 }
             }
         }