[Etzos]

Async/await support (without the --harmony flag) was made default in version 7.6 when they updated V8 to version 5.5.

The biggest additions here with regard to async/await is the new promisify util and the async_hooks.

Edit: Changed wording and included more detail.

[nailer]

Of course, but most people don't run non-LTS node releases :-)

Edit: originally wrote 'unstable'. Meant 'non-LTS'

[Etzos]

The 7.6 release was no more unstable than the 8.0 release. Unless you're referring to the fact that 8.0 is going to be a LTS release. But if that's the case, it's not happening for a while yet, 6.10 is still the current LTS version.

[nailer]

You're right, corrected.

[SparkyMcUnicorn]

Node 7.6 is a stable release. Are you talking about LTS?

[NoInkling]

And some performance improvements. And the fact that there are more to come when they upgrade to V8 5.9 soonish.