-Improved error message on JObject and JArray Load method
-Added WriteRawValue
-Added missing XML documentation
-Added SerializeObject overload that takes a formatting flag
-Added WriteValue overloads to JsonWriter for nullable types
-Fixed JsonTextWriter.WriteValue(string) to write null instead of an empty string for a null value
-Fixed JsonWriter.WriteValue(object) to no longer error on null values
-Refactored JavaScriptConvert to not rely on DateTimeOffset when converting dates
-Refactored JsonSerializer to use new CreateInstance on ReflectionUtils
-Deleted JsonHandler
-Added JTokenEqualityComparer
-Added additional validation to new IDictionary/ICollection methods on JObject/JArray
-Changed JObject so that properties must have a unique name
-Changed remaining IConvertible calls to use ToXXX methods instead of casting
-Fixed many bugs in new IDictionary/ICollection methods on JObject/JArray
-Fixed AddFirst when no existing children
-Fixed JsonWriter depth error when writing current JsonReader position
-Fixed JsonSerializer not fulling skipping properties when putting together constructor values
-Changed JsonSerializer so that property names and constructor params matching is no longer case sensitive
Added Skip() method to JsonReader. Skips the current JSON token and any child tokens.
JsonSerializer now has the ability to populate existing members on an object. This behaviour is controlled by the ObjectCreationHandling property.
Changes:
Improved behaviour of JsonReader.Depth property.
Fixes:
Floating point numbers now use ToString("r") to avoid an overflow error when serializing and deserializing a boundary value.
JsonSerializer now correctly serializes and deserializes DBNull.
JsonSerializer no longer errors when skipping a multi-token JSON structure.
-New, more concise, LINQ to JSON querying syntax.
-Added FromObject to JObject, JArray.
-JToken WriteTo method now supports JsonConverters.
-JsonSerializer supports serializing to and from LINQ to JSON objects.
-JsonSerializer properly serializes IEnumerable objects.
-Added Depth property to JsonReader.
Changes
-Made JsonReader and JsonWriter abstract. Added JsonTextReader/JsonNodeReader and JsonTextWriter/JsonNodeWriter.
-Removed JavaScriptObject, JavaScriptArray. Replaced by LINQ to JSON objects.