Since the first stable version of the Zend Framework has been out for a while now (version 1.0), the Zend Developer Zone is starting up their own way to give back to the project - the The Big Q&A session about all things Zend Framework:

On April 30, 2008, Zend's very own Zend Framework team will make themselves available for a 2-hour Q&A session. You can submit your questions in advance here to give us an opportunity to think them over a bit, or you can surprise us with them during the webinar.

The webinar will be happening On April 30th at 9am PDT and will last about two hours, during which any and all (hopefully) questions about the framework will be answered.

Matthew Weier O'Phinney has also posted about it over on his blog.