New feature - LINQ to JSON!
New feature - Ability to specify how JsonSerializer handles null values when serializing/deserializing.
New feature - Ability to specify how JsonSerializer handles missing values when deserializing.
Change - Improved support for reading and writing JavaScript constructors.
Change - A new JsonWriter can now write additional tokens without erroring.
Bug fix - JsonSerializer handles deserializing dictionaries where the key isn't a string.
Bug fix - JsonReader now correctly parses hex character codes.
JamesNK