As probably most people in the .NET ecosystem I’m using Swashbuckle to generate my OpenAPI documentation. (Anyone using NSwag instead?)
After upgrading to ASP.NET Core 3.0 (and switching to the 5.0-rc4 prerelease version of Swashbuckle), the following code no longer compiled:
I had to replace the Info class which couldn’t be found by the OpenApiInfo class:
This OpenApiInfo class is now part of the Microsoft.OpenApi.Models namespace.