6.0.4

• New feature - Added Merge to LINQ to JSON
• New feature - Added JValue.CreateNull and JValue.CreateUndefined
• New feature - Added Windows Phone 8.1 support to .NET 4.0 portable assembly
• New feature - Added OverrideCreator to JsonObjectContract
• New feature - Added support for overriding the creation of interfaces and abstract types
• New feature - Added support for reading UUID BSON binary values as a Guid
• New feature - Added MetadataPropertyHandling.Ignore
• New feature - Improved performance of KeyValuePairConverter
• New feature - Improved performance when serializing large XML documents
• Change - Limited integer parsing size to JavaScript integer size
• Change - Validation that numbers don't end with an invalid character
• Fix - Fixed JToken.ReadFrom creating a string value for a comment
• Fix - Fixed relying on Dictionary order when calling parameterized constructors
• Fix - Fixed writing new lines to use TextWriter.WriteLine
• Fix - Fixed deserializing non-generic IReadOnlyCollection implementations
• Fix - Fixed sending HTTP requests when resolving DTD urls in XmlNodeConverter
• Fix - Fixed populating ignored properties with DefaultValueHandling.IgnoreAndPopulate
• Fix - Fixed not throwing JsonReaderException when parsing some invalid numbers
• Fix - Fixed JsonConvert.PopulateObject not setting JsonReader settings
• Fix - Fixed deserializing JObjects starting with a comment
• Fix - Fixed using DateParseHandling and FloatParseHandling with DataTable/DataSet
• Fix - Fixed serializing static fields
• Fix - Fixed selecting a property after an empty array with a JSON Path query
• Fix - Fixed error handling when last value in array or object fails
• Fix - Fixed directly serializing XmlElements
• Fix - Fixed incorrect NuGet targets on .NET 4.5 portable assembly
• Fix - Fixed using JTokenEqualityComparer with JProperties that have no value
• Fix - Fixed MetadataPropertyHandling.ReadAhead bugs

6.0.3

• New feature - Added MetadataPropertyHandling
• New feature - Added support for reading MS format JSON dates to ReadAsDateTime
• New feature - Added support for serializing F# lists, sets and maps
• New feature - Added support for XML document type
• Change - Blank XML elements will be written as an empty string instead of null
• Change - JValue with a null value will be written as null instead of empty string
• Change - DateFormatString is now used when reading JSON
• Fix - Fixed deserializing null values with extension data
• Fix - Fixed converting certain XML namespaces to JSON
• Fix - Fixed error with whitespace only JSONPath
• Fix - Fixed property query path that starts with $
• Fix - Fixed array query path with open brace after $
• Fix - Fixed parsing certain JSON with comments into a JObject
• Fix - Fixed bug where matching JSONPath incorrectly raises an error
• Fix - Fixed non-public base class properties being used instead of child class properties
• Fix - Fixed hiding generic properties sometimes not being detected
• Fix - Fixed potential race condition serializing F# objects
• Fix - Fixed schema divisible sometimes incorrectly validating to false
• Fix - Fixed not calling virtual ShouldSerialize methods
• Fix - Fixed invalid cast with DateParseHandling.DateTimeOffset and IsoDateTimeConverter
• Fix - Fixed StringEnumConverter thread safety
• Fix - Fixed using FloatParseHandling.Decimal with XmlNodeConverter
• Fix - Fixed using DateParseHandling.DateTimeOffset with XmlNodeConverter
• Fix - Fixed type name handling when a property already has a base type assigned

6.0.2

• New feature - Added support for Windows Phone 8.1

6.0.1

• New feature - Added support for JSONPath
• New feature - Added support for serializing F# discriminated unions
• New feature - Added support for deserializing nested DataTables and arrays in DataTables
• New feature - Added support for reading multiple pieces of JSON with a JsonReader
• New feature - Added AllowIntegerValues setting to StringEnumConverter
• New feature - Added Decimal and DateTimeOffset constructors to JValue
• New feature - Added support for reading JSON single line comments
• New feature - Improved number parsing error messages
• Change - Changed assembly version to 6.0.0.0
• Change - .NET 4 Portable build targets MonoTouch and MonoDroid in NuGet package
• Change - .NET 4 Portable build targets WP8 and SL5 instead of WP7 and SL4
• Removed - DefaultMemberSearchFlags on DefaultContractResolver is obsolete
• Removed - SerializeObjectAsync, DeserializeObjectAsync, PopulateObjectAsync on JsonConvert are obsolete
• Fix - Fixed JObject ICustomTypeDescriptor properties returning incorrect value
• Fix - Fixed error when casting dynamic base64 string to byte array
• Fix - Fixed EntityKeyMemberConverter not using property name resolve
• Fix - Fixed serializing JValues with readonly JsonConverters
• Fix - Fixed formatting override on SerializeObject methods
• Fix - Fixed error when wrapping an exception in a JsonConverter
• Fix - Fixed using extension data with a non-default constructor
• Fix - Fixed Uri serialization roundtripping with Uri.OriginalString
• Fix - Fixed TypeNameHandling.Auto with JsonSerializer.Serialize inside a JsonConverter

5.0.8

• Fix - Fixed not writing string quotes when QuoteName is false

5.0.7

• New feature - Added support for Immutable Collections
• New feature - Added WriteData and ReadData settings to DataExtensionAttribute
• New feature - Added reference and type name handling support to extension data
• New feature - Added default value and required support to constructor deserialization
• Change - Extension data is now written when serializing
• Fix - Added missing casts to JToken
• Fix - Fixed parsing large floating point numbers
• Fix - Fixed not parsing some ISO date timezones
• Fix - Fixed schema validation of integer value when type was number
• Fix - Fixed writing of IConvertible values when TypeCode returned was Object
• Fix - Fixed serializing proxy objects with no default constructor

5.0.6

• New feature - Added serialized/deserialized JSON to verbose tracing
• New feature - Added support for using type name handling with ISerializable content
• Fix - Fixed not using default serializer settings with primitive values and JToken.ToObject
• Fix - Fixed error writing BigIntegers with JsonWriter.WriteToken
• Fix - Fixed serializing and deserializing flag enums with EnumMember attribute
• Fix - Fixed error deserializing interfaces with a valid type converter
• Fix - Fixed error deserializing ISerializable objects that also implement IConvertible
• Fix - Fixed potential infinite loop when parsing unquoted JSON values

5.0.5

• New feature - Added global default serialization settings with JsonConvert.DefaultSettings
• New feature - Added extension data support with JsonExtensionDataAttribute
• New feature - Added NullValueHandling and DefaultValueHandling support to serializing dynamic types
• Change - Changed some explicit interface methods on JArray to public to support use with ImpromtuInterface
• Fix - Fixed deserializing non-ISO formatted date dictionary keys
• Fix - Fixed values not being set when deserializing with DefaultValueHandling.IgnoreAndPopulate
• Fix - Fixed deserializing with type named handling and assemblies loaded with Assembly.LoadFrom
• Fix - Fixed deserializing Regexes when using StringEnumConverter
• Fix - Fixed serializing and deserializing typed DataSets

5.0.4

• New feature - Added JsonWriter.SetWriteState to support inheritance from JsonWriter implementations
• Change - Changed .NET 4.5 portable library and WinRT library to use compiled expressions reflection

5.0.3

• Fix - Fixed error serializing non-generic types that implement IEnumerable