7 files changed, 35 insertions, 19 deletions
diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index 4efa3f410..bb0b26b8e 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -1430,9 +1430,7 @@ namespace MediaBrowser.Controller.Entities
 
             var info = FileSystem.GetFileSystemInfo(Path);
 
-            return info.Exists
-                ? info.LastWriteTimeUtc != DateModified
-                : false;
+            return info.Exists && this.HasChanged(info.LastWriteTimeUtc);
         }
 
         public virtual List<string> GetUserDataKeys()
diff --git a/MediaBrowser.Controller/Entities/BaseItemExtensions.cs b/MediaBrowser.Controller/Entities/BaseItemExtensions.cs
index dcd22a3b4..668e2c1e2 100644
--- a/MediaBrowser.Controller/Entities/BaseItemExtensions.cs
+++ b/MediaBrowser.Controller/Entities/BaseItemExtensions.cs
@@ -114,5 +114,19 @@ namespace MediaBrowser.Controller.Entities
             source.DeepCopy(dest);
             return dest;
         }
+
+        /// <summary>
+        /// Determines if the item has changed.
+        /// </summary>
+        /// <param name="source">The source object.</param>
+        /// <param name="asOf">The timestamp to detect changes as of.</param>
+        /// <typeparam name="T">Source type.</typeparam>
+        /// <returns>Whether the item has changed.</returns>
+        public static bool HasChanged<T>(this T source, DateTime asOf)
+            where T : BaseItem
+        {
+            ArgumentNullException.ThrowIfNull(source);
+            return source.DateModified.Subtract(asOf).Duration().TotalSeconds > 1;
+        }
     }
 }
diff --git a/MediaBrowser.Controller/Entities/Folder.cs b/MediaBrowser.Controller/Entities/Folder.cs
index 732a03a2a..06cbcc2e1 100644
--- a/MediaBrowser.Controller/Entities/Folder.cs
+++ b/MediaBrowser.Controller/Entities/Folder.cs
@@ -695,7 +695,7 @@ namespace MediaBrowser.Controller.Entities
                     items = GetRecursiveChildren(user, query);
                 }
 
-                return PostFilterAndSort(items, query, true);
+                return PostFilterAndSort(items, query);
             }
 
             if (this is not UserRootFolder
@@ -959,10 +959,10 @@ namespace MediaBrowser.Controller.Entities
                 items = GetChildren(user, true, childQuery).Where(filter);
             }
 
-            return PostFilterAndSort(items, query, true);
+            return PostFilterAndSort(items, query);
         }
 
-        protected QueryResult<BaseItem> PostFilterAndSort(IEnumerable<BaseItem> items, InternalItemsQuery query, bool enableSorting)
+        protected QueryResult<BaseItem> PostFilterAndSort(IEnumerable<BaseItem> items, InternalItemsQuery query)
         {
             var user = query.User;
 
@@ -995,7 +995,7 @@ namespace MediaBrowser.Controller.Entities
                 items = UserViewBuilder.FilterForAdjacency(items.ToList(), query.AdjacentTo.Value);
             }
 
-            return UserViewBuilder.SortAndPage(items, null, query, LibraryManager, enableSorting);
+            return UserViewBuilder.SortAndPage(items, null, query, LibraryManager);
         }
 
         private static IEnumerable<BaseItem> CollapseBoxSetItemsIfNeeded(
diff --git a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
index d50f3d075..b32b64f5d 100644
--- a/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
+++ b/MediaBrowser.Controller/Entities/InternalItemsQuery.cs
@@ -3,6 +3,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Diacritics.Extensions;
 using Jellyfin.Data;
 using Jellyfin.Data.Enums;
 using Jellyfin.Database.Implementations.Entities;
@@ -373,8 +374,15 @@ namespace MediaBrowser.Controller.Entities
                 .Where(i => i != other)
                 .Select(e => Enum.Parse<UnratedItem>(e, true)).ToArray();
 
-            ExcludeInheritedTags = user.GetPreference(PreferenceKind.BlockedTags);
-            IncludeInheritedTags = user.GetPreference(PreferenceKind.AllowedTags);
+            ExcludeInheritedTags = user.GetPreference(PreferenceKind.BlockedTags)
+                .Where(tag => !string.IsNullOrWhiteSpace(tag))
+                .Select(tag => tag.RemoveDiacritics().ToLowerInvariant())
+                .ToArray();
+
+            IncludeInheritedTags = user.GetPreference(PreferenceKind.AllowedTags)
+                .Where(tag => !string.IsNullOrWhiteSpace(tag))
+                .Select(tag => tag.RemoveDiacritics().ToLowerInvariant())
+                .ToArray();
 
             User = user;
         }
diff --git a/MediaBrowser.Controller/Entities/TV/Season.cs b/MediaBrowser.Controller/Entities/TV/Season.cs
index 408161b03..48211d99f 100644
--- a/MediaBrowser.Controller/Entities/TV/Season.cs
+++ b/MediaBrowser.Controller/Entities/TV/Season.cs
@@ -179,7 +179,7 @@ namespace MediaBrowser.Controller.Entities.TV
 
             var items = GetEpisodes(user, query.DtoOptions, true).Where(filter);
 
-            return PostFilterAndSort(items, query, false);
+            return PostFilterAndSort(items, query);
         }
 
         /// <summary>
diff --git a/MediaBrowser.Controller/Entities/UserRootFolder.cs b/MediaBrowser.Controller/Entities/UserRootFolder.cs
index bc7e22d9a..deed3631b 100644
--- a/MediaBrowser.Controller/Entities/UserRootFolder.cs
+++ b/MediaBrowser.Controller/Entities/UserRootFolder.cs
@@ -80,7 +80,7 @@ namespace MediaBrowser.Controller.Entities
                 PresetViews = query.PresetViews
             });
 
-            return UserViewBuilder.SortAndPage(result, null, query, LibraryManager, true);
+            return UserViewBuilder.SortAndPage(result, null, query, LibraryManager);
         }
 
         public override int GetChildCount(User user)
diff --git a/MediaBrowser.Controller/Entities/UserViewBuilder.cs b/MediaBrowser.Controller/Entities/UserViewBuilder.cs
index 1eb3c8f50..7679d383f 100644
--- a/MediaBrowser.Controller/Entities/UserViewBuilder.cs
+++ b/MediaBrowser.Controller/Entities/UserViewBuilder.cs
@@ -438,22 +438,18 @@ namespace MediaBrowser.Controller.Entities
                 items = FilterForAdjacency(items.ToList(), query.AdjacentTo.Value);
             }
 
-            return SortAndPage(items, totalRecordLimit, query, libraryManager, true);
+            return SortAndPage(items, totalRecordLimit, query, libraryManager);
         }
 
         public static QueryResult<BaseItem> SortAndPage(
             IEnumerable<BaseItem> items,
             int? totalRecordLimit,
             InternalItemsQuery query,
-            ILibraryManager libraryManager,
-            bool enableSorting)
+            ILibraryManager libraryManager)
         {
-            if (enableSorting)
+            if (query.OrderBy.Count > 0)
             {
-                if (query.OrderBy.Count > 0)
-                {
-                    items = libraryManager.Sort(items, query.User, query.OrderBy);
-                }
+                items = libraryManager.Sort(items, query.User, query.OrderBy);
             }
 
             var itemsArray = totalRecordLimit.HasValue ? items.Take(totalRecordLimit.Value).ToArray() : items.ToArray();