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Tag: system-text-json

3 posts

2026-04-25 csharp dotnet dotnet-11

How to write a custom JsonConverter in System.Text.Json

A complete guide to writing custom JsonConverter<T> for System.Text.Json in .NET 11: when you actually need one, how to navigate Utf8JsonReader correctly, how to handle generics with JsonConverterFactory, and how to stay AOT-friendly.

2026-04-18 dotnet-11 system-text-json csharp

System.Text.Json in .NET 11 Preview 3 adds PascalCase and per-member naming policies

.NET 11 Preview 3 finishes the naming-policy story in System.Text.Json: JsonNamingPolicy.PascalCase, a member-level [JsonNamingPolicy] attribute, and a type-level [JsonIgnore] default for cleaner DTOs.

2026-02-08 csharp dotnet system-text-json

C# 14 idea: interceptors could make System.Text.Json source generation feel automatic

A community discussion proposed using C# 14 interceptors to rewrite JsonSerializer calls so they automatically use a generated JsonSerializerContext, keeping AOT-friendly source generation with cleaner call sites.