Don't recreate JsonSerializerOptions every time

MediaBrowser.Common/Json/JsonDefaults.cs

@@ -9,6 +9,8 @@ namespace MediaBrowser.Common.Json
     /// </summary>
     public static class JsonDefaults
     {
+        private static JsonSerializerOptions _defaultOptions;
+
         /// <summary>
         /// Gets the default <see cref="JsonSerializerOptions" /> options.
         /// </summary>
@@ -20,6 +22,8 @@ namespace MediaBrowser.Common.Json
         /// </remarks>
         /// <returns>The default <see cref="JsonSerializerOptions" /> options.</returns>
         public static JsonSerializerOptions GetOptions()
+        {
+            if (_defaultOptions == null)
             {
                 var options = new JsonSerializerOptions
                 {
@@ -34,7 +38,11 @@ namespace MediaBrowser.Common.Json
                 options.Converters.Add(new JsonInt64Converter());
                 options.Converters.Add(new JsonDoubleConverter());
 
-            return options;
+                _defaultOptions = options;
+                return _defaultOptions;
+            }
+
+            return _defaultOptions;
         }
 
         /// <summary>