matureness

Stability, matureness and a great standard lib like Go or ecosystem like Java beat language features.

Runs on the JVM, so benefits from the matureness of Java, but is a more modern, and better designed language.

There are kinds of questions that you can ask to signal your seniority and matureness.

Is anyone running production apps in Deno and can comment on the matureness and stability?

Is the matureness of the Deno runtime and std lib really an issue?

They forgot that web is already providing compatibility and matureness for longer.

Both matureness of the ecosystem and developers are a big issue.

Becoming professional, and gaining experience has given insight in helping to choose stack in respect to matureness, stability, tool support, documentation etc.

Language and tools ergonomics, matureness and stability come second.

And I just don't find Haskell (or Lisp) to be as productive as many would suggest, even if you adjust for matureness of the ecosystem.

I rejected Bun because I'm concerned about the stability and matureness.

Success of our projects is ultimately shaped by the development process, the matureness and reliablity of the ecosystem (standard lib of Go) and ease of use of the tools, so you can focus on the problem to solve.

But I would argue that a technology needs a certain level of matureness / is not "snake oil" if it is deployed in a heavily regulated and comparatively conservative sector such as banking.

Matureness, ecosystem and efficiency in writing correct code.