Ask HN: Is the perpetual evolution of programming languages a good thing?

I have the perception that under continuous pressure to evolve, programming language are adding more and more features that, most/some of the time have little practical benefits to developers, while adding to the language's complexity. That's actually what I feel happened to C++ and Java and happening now to PHP and Python. At some point in a language's lifetime, I believe there should be a "slowdown" where the effort should be focused more on bug fixing and improving the language's performance. An uptick might be necessary some time in the future whenever a new need arises (hardware evolution, new requirements, etc.). I understand though that this will cause a lot of issues as no one wants to work on the boring stuff. Am I justified in having these feelings or do you think that there's never enough evolution for a language?