[wg0]

Don't think so it is dead rather a mature and proven technology. The impact of Rails is huge and almost every other web framework has embraced parts of it.

But having worked with Rails code base, it becomes a guess work in a text editor to know what you're getting in a method. The duck typing makes impossible to be sure for text editors unless you resort to some sort of type hinting and that's not Rails's fault, that's ruby.

In 2022, given among all the choices, I'd probably go to either deno + Typescript or golang.