Earlier today, the Dev Team released the beta version of their RedSn0w untethered jailbreak for iOS 4.2.1 (see our tutorial here). Like we reported, this untethered jailbreak comes with its fair share of issues, one of the most annoying being that some of the native apps would just crash.
While there are still a bunch of bugs to be worked out, the Dev Team updated RedSn0w to version 0.9.7b2, which fixes this issue where native apps like the app switcher or the iPod app would crash...