/tags/dotnet-10/Recent content in Dotnet-10 on Coding StephanHugoen-usFri, 19 Dec 2025 13:13:15 +0000/2025/12/19/openapi-dotnet-10-number-quirk/Fri, 19 Dec 2025 13:13:15 +0000/2025/12/19/openapi-dotnet-10-number-quirk/<p>Did you already upgrade your API to Dotnet 10, and are you using OpenAPI specs? Then you might want to read on the next information. We use the <code>Microsoft.AspNetCore.OpenApi</code> package to generate openapi specifications for our api, which is in turn used to generate client code for various platforms.</p> <p>I&rsquo;m not sure when this started, but it seems numbers are now specified to be either a number or a string with a regex pattern. This causes issues in the generated code and we need it gone.</p> <p>Check out the <a href="#update">update</a> below if you want to skip the context and go straight to the solution.</p>