A mailing list improves communication for all the people interested in a 01.org Project: developers, final users and contributors. A more direct channel to solve your questions and help others to get involved.
The introduction of KMS and GEM into the i915 driver broke the i830/i845 chipsets, and a lots of hearts. But fear not! A decade after its introduction, we finally have a driver that is not only stable, but capable of accelerating firefox.