> * JS has just not been as stable and mature as Ruby or Python until the past couple of years (thanks to ES5/ES6), especially if you consider the browser accep

> * JS has just not been as stable and mature as Ruby or Python until the past couple of years (thanks to ES5/ES6), especially if you consider the browser acceptance of latest ES. +1. I see way more of my js packages deprecated and renamed than ruby. There hasn't been a huge backwards compatibility issue in ruby since like ~2.7 (ruby 3 and 3.1 were easy), but hunting down which version of node the npm package works on is a huge pain.