It took almost 6 months to release the next version of Circus. I am very proud of this release because a lot of its work was contributed by people from the community.

Circus is now Python 3 compatible, has a fully asynchronous core and improved documentation, amongst many many other things: http://circus.readthedocs.org/en/latest/changelog/#id1

I've published a blog post in our Mozilla blog, that interviews three Circus contributors:

https://blog.mozilla.org/services/2013/11/05/circus-0-10-released/