System.Text.Json Articles, Tutorials & News
System.Text.Json articles, tutorials, and news from the DotNetNews archive.
48 articles Updated
Start here
Editor picks for System.Text.Json
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Newtonsoft.Json vs System.Text.Json Which Should You Use in .NET?
medium.com Issue #444
A solid practical comparison of the two JSON stacks, especially if you're balancing legacy compatibility against newer platform defaults and performance.
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Encrypting Properties with System.Text.Json and a TypeInfoResolver Modifier (Part 1)
stevejgordon.co.uk Issue #374
Copilot Memories feels practical rather than flashy: less repetitive review work, more consistency across projects.
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Make JSON Fast Again in .NET
blog.stackademic.com Issue #303
If you care about throughput, the JSON and EF Core posts are the most immediately useful reads in the bunch.
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Optimizing JSON Serialization in .NET: Newtonsoft.Json vs. System.Text.Json
blog.elmah.io Issue #176
A useful comparison that goes beyond syntax and looks at JSON serialization tradeoffs and performance.
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Explaining System.Text.Json in .NET
csharp.com Issue #151
System.Text.Json remains essential knowledge for most modern .NET apps.
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System.Text.Json vs. Newtonsoft.Json: Which One Should You Use in .NET 9?
medium.com Issue #144
Semantic Kernel and ML.NET bring AI into the issue without taking it over.
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You don't need to create all properties inside a DTO to successfully deserialize
c-sharpcorner.com Issue #504
A useful antidote to over-modeling and JObject sprawl. Sometimes the simplest DTO is exactly enough for the payload you actually consume.
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.NET 11 Preview 8: New Features and Breaking Changes Explained
c-sharpcorner.com Issue #501
Preview coverage is always helpful, especially when breaking changes are called out plainly.
System.Text.Json C# from the DotNetNews archive, curated for .NET developers who already ship production code. This is a reading list pulled from daily issues, not a substitute for the official docs on System.Text.Json.
Use Start here for the editorial shortlist, then browse Latest or the full archive when you need more depth. Coverage leans toward System.Text.Json C#, JSON source generation, JSON serialization .NET. Recent pieces worth opening: “You don’t need to create all properties inside a DTO to successfully deserialize” and “.NET 11 Preview 8: New Features and Breaking Changes Explained”.
Latest
Newest System.Text.Json from the archive
- .NET 11 Preview 8: New Features and Breaking Changes Explained
c-sharpcorner.com Issue #501
- 💻 Issue 519 - Evolving your C# types without migrating stored JSON
dotnet.libhunt.com Issue #484
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Copilot CLI in VS Codeyoutube.com Issue #412
Archive
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Newest first
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You don't need to create all properties inside a DTO to successfully deserialize
c-sharpcorner.com Issue #504
Short example on JSON serialisation aimed to combat excessive use of JObjects
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.NET 11 Preview 8: New Features and Breaking Changes Explained
c-sharpcorner.com Issue #501
.NET 11 Preview 8: Explore new features like runtime performance, Native AOT, and JSON serialization. Prepare for breaking changes.
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Case‑Insensitive JSON Schema Validation in .NET: Customizing String Comparison
blog.devgenius.io Issue #485
By the spec, JSON Schema compares strings exactly — code point for code point. Here’s how to make enum, const, and uniqueItems… Continue reading on Dev Genius »
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💻 Issue 519 - Evolving your C# types without migrating stored JSON
dotnet.libhunt.com Issue #484
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Structured Outputs in LLM Applications: A Complete C# Developer Guide
c-sharpcorner.com Issue #479
Learn how to implement structured outputs in C# AI applications. Discover schema validation, strongly typed models, JSON responses, and best practices for building reliable enterprise LLM solutions.
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String vs JSON vs Object in .NET — Why Beginners Get Confused
medium.com Issue #446
When I started working with APIs in .NET, this was one of the most confusing things:
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Newtonsoft.Json vs System.Text.Json Which Should You Use in .NET?
medium.com Issue #444
If you’ve worked with JSON in .NET, you’ve probably seen two different ways to handle it:
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Serialization vs Deserialization in .NET — Explained Simply
medium.com Issue #443
When I first started working with APIs in .NET, I kept seeing these two terms everywhere:
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High-Performance .NET APIs: Zero-Allocation Serialization Explained
medium.com Issue #435
1. Real-World Problem Scenario
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Copilot CLI in VS Code
youtube.com Issue #412
.NET 10: System.Text.Json Improvements
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Encrypting Properties with System.Text.Json and a TypeInfoResolver Modifier (Part 1)
stevejgordon.co.uk Issue #374
In this multi-part blog series, we’ll build a reasonably full-featured code base for automatically encrypting/decrypting specific properties on types that are being serialised and deserialised using S...
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MAUI, EF Core, and auth hardening
DotNetNews Issue #355
A varied .NET roundup with MAUI resources, EF Core migrations and bulk retrieval, authentication hardening, HttpClientFactory, and more.
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ASP.NET Core 9 performance, .NET 10 changes
DotNetNews Issue #334
A varied .NET roundup covering ASP.NET Core 9 speedups, .NET 10 breaking changes, logging, collections, rate limiting, and cloud updates.
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ASP.NET evolution, AI in VS, and .NET 10 preview
DotNetNews Issue #325
A mixed issue covering ASP.NET history, .NET 10 reflection tricks, Blazor forms, Azure CI/CD, SQL Server JSON, performance, and Visual Studio AI.
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ASP.NET Core, architecture, and performance
DotNetNews Issue #324
A varied .NET roundup with Clean Architecture, ASP.NET Core REST API guidance, LINQ and memory fixes, plus Redis, SQL Server, and WebAssembly.
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ASP.NET Core APIs, validation, and design patterns
DotNetNews Issue #307
A varied .NET roundup covering API design, validation, EF Core, Redis caching, Aspire, security, and newer C# and .NET 9 guidance.
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Make JSON Fast Again in .NET
blog.stackademic.com Issue #303
System.Text.Json performance patterns: source-gen, Utf8JsonReader, UnsafeRelaxedJsonEscaping, and buffer reuse. Continue reading on Stackademic »
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2 months of lazy debugging JsonSerializationException and finally it was equality comparison
medium.com Issue #287
I’ll be honest: I lost two months to this.
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Mapster + JSON in C#: The Lean Mapping Playbook (with real-world gotchas)
medium.com Issue #270
I was debugging a Blazor API at 2 AM when a simple mapping bug made my DTOs look like they were haunted. Spoiler: it wasn’t brujería — it… Continue reading on .Net Programming »
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EF Core, AI, and runtime patterns
DotNetNews Issue #221
Issue #221 spans EF Core guidance, AI coding talks, logging and exception handling, HTTP and WebSockets, plus core runtime and language patterns.
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System.Text.Json: The Ultimate Weapon for .NET JSON Battles
medium.com Issue #189
https://medium.com/@nagarajvela/system-text-json-the-ultimate-weapon-for-net-json-battles-0de69df406fb
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EF Core, C#, and Azure security
DotNetNews Issue #186
Practical .NET coverage: EF Core tuning, C# pitfalls, OAuth client assertions, SignalR, Kafka, MAUI, AI tooling, and C# 14 preview.
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The Battle of C# Serializers: BinaryFormatter vs. MessagePack vs. Protobuf (with .NET 8 Benchmarks)
medium.com Issue #185
https://medium.com/c-sharp-programming/the-battle-of-c-serializers-binaryformatter-vs-messagepack-vs-protobuf-with-net-8-benchmarks-3fe2ba8944c0
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Blazor, performance, and .NET 10 Preview 3
DotNetNews Issue #183
Issue #183 covers Blazor UI, C# language changes, performance tuning, EF Core optimization, security, and AI tooling for .NET developers.
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Optimizing JSON Serialization in .NET: Newtonsoft.Json vs. System.Text.Json
blog.elmah.io Issue #176
https://blog.elmah.io/optimizing-json-serialization-in-net-newtonsoft-json-vs-system-text-json/