&gt;  Not to mention that ECMA is working toward ADDING new feature to the language instead of deprecating some obscure ones, which would make the language easier to use.<p>We&#x27;ll see what happens longer-term. Certainly until recently the focus has been on the web (and deprecating features on the web is rather pointless: the web still supports things that were deprecated two decades ago, as dropping support breaks sites which makes users change browser or stick with an older version).<p>There&#x27;s plenty of things listed in Appendix B of the spec, &quot;Additional ECMAScript Features for Web Browsers&quot;, which contains much of the worst parts. Perhaps more will move there in the future, or to some separate section of previously-standardised-but-now-optional features.