4.2 means different things to different types of geeks. To SciFi-geeks, it’s the answer to the ultimate question of life, the universe, and everything divided by 10. To Apple-geeks, it represents the most important software update in months. Why? Because it’s the first build of iOS 4 (with its folders, multitasking, etc) compatible with the iPad.
Steve promised that 4.2 would hit sometime in November — but as is customary at this point, it just went live a bit early for developers.