.NET support on Heroku is now generally available

Change effective on 02 April 2025

Support for .NET applications, including C#, Visual Basic, and F# projects using the .NET and ASP.NET Core frameworks version 8.0 and later, is now Generally Available.

When deploying a new application, .NET apps are automatically detected and configured to use the heroku/dotnet buildpack.

To learn more, see: