But then if you are doing serious development, you should also be comfortable with Homebrew. Being a Ruby developer myself, I never used the bundled interprete

But then if you are doing serious development, you should also be comfortable with Homebrew. Being a Ruby developer myself, I never used the bundled interpreter! This news is not that relevant. Obviously these runtimes are included because some packages or libraries need them, but I'd not depend on them for development.