It’s that time of year for .NET when we get a new major version and a bunch of exciting features. .NET Conf 2025 kicked off earlier today, bringing with it the release of .NET 10 , as well as ASP.NET Core 10, C# 14, and F# 10. Congrats (and a big thank you) to the .NET team and everyone who helped get .NET 10 out the door.

At Heroku, we believe you should be able to use language and framework releases when they launch, and we prepare accordingly. You can now build and run .NET 10 apps on Heroku , with buildpack support for new SDK features like file-based apps , .slnx solution files , and more.

Migration and support timelines

This year’s release is significant because .NET 10 is the new Long Term Support (LTS) release, which will be supported for three years.…