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Definitely Fastest and Zero Allocation JSON Serializer for C#(NET, .NET Core, Unity, Xamarin).

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**Using version: 1.3.7** When I am trying to deserialize the following JSON : `{"Body":[123,34,72,105,115,116,111,114,121,83,97,109,112],"Properties":{"key":"0bf5f58a-1d20-415c-8b1d-21cb801dbe40"}}` to following type: ```cs public class Custom { public byte[] Body { get; set; } public...

We have just found out that this end of text unicode character: \u0003 doesn't serialize properly in string causing the front end to crash and saying that the json is...

``` var stream1 = new MemoryStream(Encoding.UTF8.GetBytes("[1]")); var result1 = JsonSerializer.Deserialize(stream1); var stream2 = new MemoryStream(Encoding.UTF8.GetBytes("[")); var result2 = JsonSerializer.Deserialize(stream2); ``` `result1` is now `int[] { 1}` as expected. However, `result2`...

Step to reproduction 1. Create a class like the following ```csharp [System.Serializable] public class Model { public string @event; } ``` 1. Generate the source with the following command ```csharp...

I have used this to great effect in my WPF C# project but the nuget package doesn't seem to support C# UWP projects. Is there any chance that this could...

You can limit the scope of allowing unsafe by adding asmdef.

Escaping string character is hurt of performance of JSON serialization. It is possible to reduce escape cost by creating custom UTF8 Encoding that includes JSON encoding/decoding. for invoke internal `FastAllocateString`,...

When attempting to use Utf8Json formatter with ASP.NET Core 3, the following error appears: > System.InvalidOperationException: Synchronous operations are disallowed. Call ReadAsync or set AllowSynchronousIO to true instead. > at...

Hello, We are planning to change our json serializer / deserializer Is this a production ready? And what are the things to consider when Migrating from newtonsoft JSON.net? Thanks :)

Hi, I receiving this exception when I try serialize my custom class: Exception thrown: 'System.ArgumentException' in Utf8Json.dll System.ArgumentException: Key was already exists. Key:System.Byte[] at Utf8Json.JsonFormatterResolverExtensions.GetFormatterWithVerify[T](IJsonFormatterResolver resolver) at Utf8Json.Formatters.Good_Teacher_DataStoreFormatter1.Serialize(JsonWriter& , DataStore...