@Mike Thanks for the comment & a little nudge. We have minor feature updates almost on a weekly basis and a major feature every 2 weeks. We should update this more often.
EU VAT Support has been rolled out to everyone. http://www.chargebee.com/docs/tax.html
We also released a few smaller improvements as well in the product recently:
Transactional Email Preview
Test webhooks using Events
Our .NET library is ready now. Here's the link to it. Try it out and let us know what you think.
There are no features listed here?