It is very hard to define "production ready". I think that one could say that a new version of a software tends to have a lot of bugs. The more work you put int

It is very hard to define "production ready". I think that one could say that a new version of a software tends to have a lot of bugs. The more work you put into fixing this bugs (assuming you are not adding new code), the more stable it starts to be, and discovery of new bugs is more and more rare. It does not mean the software is bug free, but that the bugs that it contains are either edge cases that is rare to run across, or they manifest very rarely as real world consequences. I guess that what we call stable is just the state where no obvious bugs arise in normal usage and at the same time is pretty rare for the developers to discover, get notified, and fix, new important bugs. It seems like that under this assumptions node.js is stable enough, but what are you doing with it? Maybe it's not going to be "mission critical", but good enough to run production web applications.