Check out .Net core tutorials.
You’re starting a new .NET 10 Web API, run it and type /swagger out of habit. You get a 404, because the template doesn’t ship Swashbuckle anymore. ASP.NET Core OpenAPI support is built in now: AddOpenApi and MapOpenApi write the document to /openapi/v1.json, and you add Scalar or Swagger UI to read it. We’ll build … Read more >>
Upgrading a .NET 8 app to .NET 10 took me one afternoon, and most of it was package work. With .NET 8 support ending November 10, 2026, now’s the time to move. The short answer: to upgrade .NET 8 to .NET 10, install the .NET 10 SDK, point global.json at it, change net8.0 to net10.0, … Read more >>
.NET 10 came out on November 11, 2025, and it’s a long-term support release. That alone makes it the version I’d pick for any new C# or ASP.NET Core project in 2026. So, what’s new in .NET 10? You can run a single .cs file with dotnet run app.cs, write C# 14, validate Minimal API … Read more >>
.NET 8 and .NET 9 both reach end of support on November 10, 2026. After that Patch Tuesday, Microsoft stops shipping security fixes for them, and your apps keep running unpatched. The fix is .NET 10, an LTS release supported until November 14, 2028. In this tutorial, I’ll break down what .NET 8 end of … Read more >>
Job posts in Seattle, Austin and New York still say “.NET Core developer,” but the .NET Core interview questions you’ll hear in 2026 are about .NET 10, ASP.NET Core, dependency injection, middleware and EF Core. The “Core” name was dropped after 3.1. In this tutorial, I’ll answer 40 .NET Core interview questions with short answers … Read more >>