MojoKid writes "The PC demo for Codemasters' upcoming DirectX 11 racing title, Dirt 2, has just hit the web and is available for download. Dirt 2 is a highly-anticipated racing sim that also happens to feature leading-edge graphic effects. In addition to a DirectX 9 code path, Dirt 2 also utilizes a number of DirectX 11 features, like hardware-tessellated dynamic water, an animated crowd and dynamic cloth effects, in addition to DirectCompute 11-accelerated high-definition ambient occlusion (HADO), full floating-point high dynamic range (HDR) lighting, and full-screen resolution post processing. Performance-wise, DX11 didn't take its toll as much as you'd expect this early on in its adoption cycle." Bit-tech also took a look at the graphical differences, arriving at this conclusion: "You'd need a seriously keen eye and brown paper envelope full of cash from one of the creators of Dirt 2 to notice any real difference between textures in the two versions of DirectX."

BSDetector writes "Apple has released fixes for 17 OSX vulnerabilities, ranging from system takeover to denial-of-service attacks. It was the fifth security update released this year. It also marked the first time this year that an operating system security update from Apple did not patch a vulnerability disclosed by the January Month of Apple Bugs project. Today's update pushed Apple's year-to-date patch total to over 100. More than one of the affected flaws were called 'critical' or 'dangerous'."