Some recent information about Joomla 3.4 has been added by David Hurley on the Joomla official developer section.
So what's new?
The Joomla 3.4 official release date has been strentched. This is mainly because of the time given by the community to track and resolve issues is not unlimited. And it's even more the case when it's an open source project. Finally we shouldn't wait too long now as the main issues has been resolved. Ouch :)
The main features has been discussed and published intio the Joomla magazine previously and the result is...
Each new Joomla release will now be driven by a production leader (a single person in charge).