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Fixing Swagger in .NET 10

3 April 2026

.NET / C#

If you've upgraded an ASP.NET Core API to .NET 10 and your Swashbuckle security configuration stopped compiling, this is why — and why almost every answer you'll find online describes an API that no l...

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Fixing Swagger in .NET 10

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I'm Gavin, a full-stack developer working mainly in C# / ASP.NET Core / Azure and PHP/Laravel, with SQL, Postgres, Docker and AWS underneath.

I write about the problems that don't have a clean answer online - things I've run into and my debugging paths that actually worked. I hope you find them useful. Thanks for visiting.

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