The xf86-video-intel 2.13 RC1 release announcement can be found on the Intel mailing list. Intel's Chris Wilson is responsible for a bulk of the changes to be found over the past few months. The final release of this 2.13 driver should come by early October.
Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.