Merge branch 'master' into bindfix

3 files changed, 9 insertions, 4 deletions

diff --git a/MediaBrowser.Controller/Entities/BaseItem.cs b/MediaBrowser.Controller/Entities/BaseItem.cs
index cbb02aabd7..53d45261e6 100644
--- a/MediaBrowser.Controller/Entities/BaseItem.cs
+++ b/MediaBrowser.Controller/Entities/BaseItem.cs
@@ -1243,7 +1243,7 @@ namespace MediaBrowser.Controller.Entities
                 }
             }
 
-            return string.Join("/", terms.ToArray());
+            return string.Join('/', terms.ToArray());
         }
 
         /// <summary>
@@ -1998,6 +1998,11 @@ namespace MediaBrowser.Controller.Entities
             return GetType().Name;
         }
 
+        public BaseItemKind GetBaseItemKind()
+        {
+            return Enum.Parse<BaseItemKind>(GetClientTypeName());
+        }
+
         /// <summary>
         /// Gets the linked child.
         /// </summary>
@@ -2790,7 +2795,7 @@ namespace MediaBrowser.Controller.Entities
         {
             var list = GetEtagValues(user);
 
-            return string.Join("|", list).GetMD5().ToString("N", CultureInfo.InvariantCulture);
+            return string.Join('|', list).GetMD5().ToString("N", CultureInfo.InvariantCulture);
         }
 
         protected virtual List<string> GetEtagValues(User user)
diff --git a/MediaBrowser.Controller/Entities/CollectionFolder.cs b/MediaBrowser.Controller/Entities/CollectionFolder.cs
index c3b6af76ea..65fd1654c3 100644
--- a/MediaBrowser.Controller/Entities/CollectionFolder.cs
+++ b/MediaBrowser.Controller/Entities/CollectionFolder.cs
@@ -123,7 +123,7 @@ namespace MediaBrowser.Controller.Entities
             {
                 LibraryOptions[path] = options;
 
-                var clone = JsonSerializer.Deserialize<LibraryOptions>(JsonSerializer.Serialize(options, _jsonOptions), _jsonOptions);
+                var clone = JsonSerializer.Deserialize<LibraryOptions>(JsonSerializer.SerializeToUtf8Bytes(options, _jsonOptions), _jsonOptions);
                 foreach (var mediaPath in clone.PathInfos)
                 {
                     if (!string.IsNullOrEmpty(mediaPath.Path))
diff --git a/MediaBrowser.Controller/Entities/TV/Series.cs b/MediaBrowser.Controller/Entities/TV/Series.cs
index 1a379074dc..a410c1b66f 100644
--- a/MediaBrowser.Controller/Entities/TV/Series.cs
+++ b/MediaBrowser.Controller/Entities/TV/Series.cs
@@ -107,7 +107,7 @@ namespace MediaBrowser.Controller.Entities.TV
                 return key;
             }
 
-            return key + "-" + string.Join("-", folders);
+            return key + "-" + string.Join('-', folders);
         }
 
         private static string GetUniqueSeriesKey(BaseItem series)