13.0.3

• Fix - Fixed parsed zero decimals losing trailing zeroes
• Fix - Fixed parsed negative zero double losing negative
• Fix - Fixed null string being reported as String rather than JTokenType.Null

13.0.2

• New feature - Add support for DateOnly and TimeOnly
• New feature - Add UnixDateTimeConverter.AllowPreEpoch property
• New feature - Add copy constructor to JsonSerializerSettings
• New feature - Add JsonCloneSettings with property to disable copying annotations
• Change - Add nullable annotation to JToken.ToObject(Type, JsonSerializer)
• Change - Reduced allocations by reusing boxed values
• Fix - Fixed MaxDepth when used with ToObject inside of a JsonConverter
• Fix - Fixed deserializing mismatched JToken types in properties
• Fix - Fixed merging enumerable content and validate content
• Fix - Fixed using $type with arrays of more than two dimensions
• Fix - Fixed rare race condition in name table when deserializing on device with ARM processors
• Fix - Fixed deserializing via constructor with ignored base type properties
• Fix - Fixed MaxDepth not being used with ISerializable deserialization

13.0.1

• New feature - Add JsonSelectSettings with configuration for a regex timeout
• Change - Remove portable assemblies from NuGet package
• Change - JsonReader and JsonSerializer MaxDepth defaults to 64
• Change - Change InvalidCastException to JsonSerializationException on mismatched JToken
• Fix - Fixed throwing missing member error on ignored fields
• Fix - Fixed various nullable annotations
• Fix - Fixed annotations not being copied when tokens are cloned
• Fix - Fixed naming strategy not being used when deserializing dictionary enum keys
• Fix - Fixed serializing nullable struct dictionaries
• Fix - Fixed JsonWriter.WriteToken to allow null with string token
• Fix - Fixed missing error when deserializing JToken with a contract type mismatch
• Fix - Fixed JTokenWriter when writing comment to an object

12.0.3

• New feature - Added support for nullable reference types
• New feature - Added KebabCaseNamingStrategy
• Change - Package now uses embedded package icon
• Fix - Fixed bug when merging JToken with itself
• Fix - Fixed performance of calling ICustomTypeDescriptor.GetProperties
• Fix - Fixed serializing Enumerable.Empty and empty arrays on .NET Core 3.0
• Fix - Fixed deserializing some collection types with constructor
• Fix - Fixed deserializing IImmutableSet to ImmutableHashSet instead of ImmutableSortedSet
• Fix - Fixed deserializing IImmutableDictionary to ImmutableDictionary instead of ImmutableSortedDictionary
• Fix - Fixed deserializing into constructors with more than 256 parameters
• Fix - Fixed hang when deserializing JTokenReader with preceding comment
• Fix - Fixed JSONPath scanning with nested indexer
• Fix - Fixed deserializing incomplete JSON object to JObject
• Fix - Fixed using StringEnumConverter with naming strategy and specified values

12.0.2

• New feature - Added MissingMemberHandling to JsonObjectAttribute and JsonObjectContract
• New feature - Added constructor to JTokenReader to specify initial path
• New feature - Added JsonProperty.IsRequiredSpecified
• New feature - Added JsonContract.InternalConverter
• Change - Moved embedded debug symbols in NuGet package to a symbol package on NuGet.org
• Fix - Fixed deserializing nullable struct collections
• Fix - Fixed memory link when serializing enums to named values
• Fix - Fixed error when setting JsonLoadSettings.DuplicatePropertyNameHandling to Replace

12.0.1

• New feature - Added NuGet package signing
• New feature - Added Authenticode assembly signing
• New feature - Added SourceLink support
• New feature - Added constructors to StringEnumConverter for setting AllowIntegerValue
• New feature - Added JsonNameTable and JsonTextReader.PropertyNameTable
• New feature - Added line information to JsonSerializationException
• New feature - Added JObject.Property overload with a StringComparison
• New feature - Added JsonMergeSettings.PropertyNameComparison
• New feature - Added support for multiple Date constructors with JavaScriptDateTimeConverter
• New feature - Added support for strict equals and strict not equals in JSON Path queries
• New feature - Added EncodeSpecialCharacters setting to XmlNodeConverter
• New feature - Added trace message for serializing to non-writable properties
• New feature - Added support for NamingStrategy to StringEnumConverter
• New feature - Added JsonLoadSettings.DuplicatePropertyNameHandling setting
• Change - JTokenReader now uses JsonReader.DateTimeZoneHandling setting for date values
• Change - Excluded TargetSite when serializing Exceptions without SerializableAttribute
• Change - Changed StringEnumConverter.ctor(bool camelCaseText) to obsolete
• Change - Changed StringEnumConverter.CamelCaseText to obsolete
• Fix - Fixed incorrect overflow when reading decimal values from JSON
• Fix - Fixed error message when trying to deserialize an abstract serializable type
• Fix - Fixed parsing decimals from a string with an exponent
• Fix - Fixed losing DateTime.Kind when deserializing ISO date strings
• Fix - Fixed calling constructors with ref and in parameters
• Fix - Fixed rare race condition in name table when serializing
• Fix - Fixed unhelpful exception message when unable to convert JSON value to DateTime
• Fix - Fixed error when deserializing empty array in DataTable
• Fix - Fixed deserializing empty string to empty byte array
• Fix - Fixed blank extension data values with required properties and deserializing with constructor
• Fix - Fixed ignored values being set in extension data when deserializing
• Fix - Fixed comparing equal integer and floating point values in JSON Path
• Fix - Fixed BsonReader when reading multiple content
• Fix - Fixed setting extension data with existing key
• Fix - Fixed including array attribute in XML with namespaces when converting JSON to XML
• Fix - Fixed error when serializing ref struct properties by excluding them from serialization

11.0.2

• Change - Revert DataContractAttribute to not force JSON object serialization (use JsonObjectAttribute instead)
• Fix - Fixed JPropertyDesciptor.GetValue and SetValue to not throw for non-JObject argument
• Fix - Fixed JObject ICustomTypeDescriptor.GetProperty to return the current instance
• Fix - Fixed serializing FileInfo/DirectoryInfo with a JsonConverter in .NET Standard
• Fix - Fixed serializing F# enums
• Fix - Fixed serializing types with multiple members of the same name

11.0.1

• New feature - Added netstandard2.0 build
• New feature - Added generic JsonConverter
• New feature - Added UnixDateConverter for converting Unix timestaps
• New feature - Added support for regex operator in JSON Paths
• New feature - Added JsonObjectAttribute.ItemNullValueHandling
• New feature - Added JsonObjectContract.ItemNullValueHandling
• New feature - Improved performance when resolving serialization contracts by using ConcurrentDictionary
• New feature - Improved performance of JToken.Path with a faster reverse
• New feature - Improved performance of parsing Int32 JSON integer values
• New feature - Improved performance of parsing and writing enum names
• New feature - Added IgnoreIsSpecifiedMembers to DefaultContractResolver
• New feature - Added IgnoreShouldSerializeMembers to DefaultContractResolver
• New feature - Added support for reading multiple comma delimited values with JsonReader.SupportMultipleContent
• New feature - Improved error message when an object is reused with PreserveReferencesHandling
• New feature - Added IConvertible support to netstandard1.3
• New feature - Added INotifyPropertyChanging support to netstandard1.3
• New feature - Optimized internal buffering when writing very large strings
• New feature - JObject.ContainsKey is now public
• New feature - Improved the error message when serialized ByRef properties
• New feature - Improved the error message when serializing FileInfo/DictionaryInfo without ISerializable
• New feature - Improved the error message when failing conversion in JsonReader.ReadAsInt32 and JsonReader.ReadAsDecimal
• New feature - Improved the error message when deserializing badly formatted regex strings
• Change - Types that implement ISerializable but don't have [SerializableAttribute] are not serialized using ISerializable
• Change - Changed JsonProperty.MemberConverter to obsolete
• Change - Changed camel casing logic for all caps words to not leave last character capitalized
• Change - Changed enum serialization in dictionary keys to use EnumMemberAttribute
• Fix - Fixed converting default datetime in JSON to XML on netstandard1.3
• Fix - Fixed deserializing ObservableCollection in .NET Core 2.0
• Fix - Fixed incorrectly allowing static IsSpecified properties
• Fix - Fixed not preserving trailing zeros when deserializing decimals
• Fix - Fixed JValue.CompareTo with number and string values
• Fix - Fixed not erroring when reading undefined for nullable long
• Fix - Fixed serializing immutable collections when .NET 4.0 or previous Newtonsoft.Json assembly is GACed
• Fix - Fixed writing null values by XmlNodeConverter and RegexConverter
• Fix - Fixed deserializing with a TraceWriter when the reader is not at the start
• Fix - Fixed TraceJsonWriter.WriteValue(object) writing value twice
• Fix - Fixed deserializing with constructor and readonly collection property
• Fix - Fixed error when writing unknown null value as JSON
• Fix - Fixed merging null string values
• Fix - Fixed missing CancellationToken usages in JsonTextWriter.WriteAsync
• Fix - Fixed error with JsonSerializer.Populate and comments in JSON array
• Fix - Fixed error handling when deserializing certain dictionary and lists
• Fix - Fixed serializing collection that is nullable
• Fix - Fixed JsonTextReader sync read in async method
• Fix - Fixed JsonConverter not called when target type is list and token is a string
• Fix - Fixed serializing a property that is defined in multiple interfaces
• Fix - Fixed error when deserializing null value into ConcurrentDictionary
• Fix - Fixed escaping special characters in generated JSON Paths
• Fix - Fixed reading escaped special characters in JSON Paths
• Fix - Fixed using extension data with dictionary that explicitly implements Add method
• Fix - Fixed parsing enum name to exact casing value before falling back to case-insensitive value
• Fix - Fixed DataContractAttribute not forcing object serialization of classes
• Fix - Fixed bug when deserializing into existing non-IList collection
• Fix - Fixed bug when deserializing into existing non-IDictionary collection
• Fix - Fixed JsonReader.ReadAsInt32 with BigInteger values

10.0.3

• New feature - Added support for deserializing XmlElement, XmlNode, XObject, XNode and XContainer with XmlNodeConverter
• Change - MinClientVersion 2.12 added to NuGet package to restrict to compatible clients
• Fix - Fixed JsonSerializer.Binder to not throw an error when binder instance is compatible
• Fix - Fixed stack overflow when deserializing incomplete JSON to XML
• Fix - Fixed JSON Path recursive descent queries
• Fix - Fixed serializing ConcurrentDictionary in .NET Core 2.0
• Fix - Fixed serializing ConcurrentStack/Queue/Bag
• Fix - Fixed MemoryTraceWriter thread safety
• Fix - Fixed JSON Path root filter sometimes not correctly returning root token
• Fix - Fixed properties with JsonIgnore not being ignored with ItemRequired
• Fix - Fixed JToken.Load not reading past comment when CommentHandling is Ignore
• Fix - Fixed JsonReader.ReadAsDecimal with a JValue containing a BigInteger value
• Fix - Fixed converting JSON values to XML attributes to ignore current culture
• Fix - Fixed converting JSON byte array data to XML
• Fix - Fixed reading some types from KeyValuePairConverter incorrectly
• Fix - Fixed comparing high precision decimal JValues
• Fix - Fixed JsonWriter.WriteToken(JsonReader) not erroring on incomplete token
• Fix - Fixed not preventing negative integers with StringEnumConverters.AllowIntegerValues

10.0.2

• Change - .NET 4 portable class library target added back to NuGet package
• Change - Changed NuGet dependencies to use NETStandard.Library 1.6.1
• Change - Changed double parsing back to double.TryParse to avoid small floating point precision errors
• Fix - Fixed binary serialization of JsonException and friends
• Fix - Fixed JsonLoadSettings.LineInfoHandling not being used correctly when loading JTokens
• Fix - Fixed serializing IListSource implementations
• Fix - Fixed handling errors when reading metadata properties during deserialization