<PackageReference Include="System.Text.Json" Version="6.0.0-preview.3.21201.4" />

---

API Differences between 6.0.0-preview.3.21201.4 and 4.7.0

47 Additions 2 Removals

System.Text.Json

• public struct JsonElement
  • public static JsonElement ParseValue(ref Utf8JsonReader reader)
  • public static bool TryParseValue(ref Utf8JsonReader reader, out Nullable element)
• public static class JsonSerializer
  • public static TValue Deserialize<TValue>(string json, JsonSerializerOptions options = null)
  • public static object Deserialize(string json, Type returnType, JsonSerializerOptions options = null)
  • public static TValue Deserialize<TValue>(string json, JsonSerializerOptions options = null)
  • public static TValue Deserialize<TValue>(ReadOnlySpan<char> json, JsonSerializerOptions options = null)
  • public static object Deserialize(string json, Type returnType, JsonSerializerOptions options = null)
  • public static object Deserialize(ReadOnlySpan<char> json, Type returnType, JsonSerializerOptions options = null)
• public enum JsonSerializerDefaults
  • General = 0
  • Web = 1
• public sealed class JsonSerializerOptions
  • public JsonIgnoreCondition DefaultIgnoreCondition { get; set; }
  • public bool IgnoreReadOnlyFields { get; set; }
  • public bool IncludeFields { get; set; }
  • public JsonNumberHandling NumberHandling { get; set; }
  • public ReferenceHandler ReferenceHandler { get; set; }
  • public JsonSerializerOptions(JsonSerializerOptions options)
  • public JsonSerializerOptions(JsonSerializerDefaults defaults)

System.Text.Json.Serialization

• public sealed class JsonConstructorAttribute : JsonAttribute
  • public JsonConstructorAttribute()
• public abstract class JsonConverter<T> : JsonConverter
  • public virtual bool HandleNull { get; }
• public sealed class JsonIgnoreAttribute : JsonAttribute
  • public JsonIgnoreCondition Condition { get; set; }
• public enum JsonIgnoreCondition
  • Always = 1
  • Never = 0
  • WhenWritingDefault = 2
  • WhenWritingNull = 3
• public sealed class JsonIncludeAttribute : JsonAttribute
  • public JsonIncludeAttribute()
• public enum JsonNumberHandling
  • AllowNamedFloatingPointLiterals = 4
  • AllowReadingFromString = 1
  • Strict = 0
  • WriteAsString = 2
• public sealed class JsonNumberHandlingAttribute : JsonAttribute
  • public JsonNumberHandling Handling { get; }
  • public JsonNumberHandlingAttribute(JsonNumberHandling handling)
• public abstract class ReferenceHandler
  • public static ReferenceHandler IgnoreCycles { get; }
  • public static ReferenceHandler Preserve { get; }
  • protected ReferenceHandler()
  • public abstract ReferenceResolver CreateResolver()
• public sealed class ReferenceHandler<T> : ReferenceHandler where T : ReferenceResolver
  • public ReferenceHandler()
• public abstract class ReferenceResolver
  • protected ReferenceResolver()
  • public abstract void AddReference(string referenceId, object value)
  • public abstract string GetReference(object value, out bool alreadyExists)
  • public abstract object ResolveReference(string referenceId)