I don&#x27;t. A lot of code out in the wild already relies on v8, and won&#x27;t work with Chkara. Node 5 is up-to-date with v8. Though, I would like to see Mozilla devsvwpuld revives the unofficial spidermonkey Node.js support (<a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=2469786" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=2469786</a> , <a href="https:&#x2F;&#x2F;github.com&#x2F;zpao&#x2F;spidernode" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;zpao&#x2F;spidernode</a> ).