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Json.NET is a popular high-performance JSON framework for .NET
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13.0.3
1 year ago
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
1 year ago
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
3 years ago
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
4 years ago
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
4 years ago
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
5 years ago
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
6 years ago
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
6 years ago
New feature - Added netstandard2.0 build
New feature - Added generic JsonConverter<T>
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
6 years ago
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
7 years ago
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
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