.NET 9 and 10 make some impactful changes for creating .NET applications with OpenAPI support! In this session, we’ll dive into the breaking changes and latest OpenAPI advancements for .NET 9 and explore how these features can be leveraged to create robust, efficient, and well-documented APIs. We will cover both minimal API's and controllers.

This presentation will feature lots of demos with the aim of giving you an end-to-end experience of the latest and greatest features of OpenAPI in .NET 10!