Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

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.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12

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Backend PART 35

What's New in .NET 9: Built-in OpenAPI, Scalar and HybridCache in ASP.NET Core

.NET 9 drops Swashbuckle from the template: AddOpenApi/MapOpenApi, transformers, Scalar and Swagger UI, stampede-safe HybridCache, TypedResults.InternalServerError, StatusCodeSelector, C# 13 and 24-month STS support.

4 Nov 2026 9 min 2