• 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.