The new redsn0w 0.9.6b2 can also jailbreak iOS 4.2 GM on iPhone, iPod touch and iPad devices seeded to developers by Apple few hours ago. This has also been confirmed by MuscleNerd of the iPhone Dev Team. The new redsn0w 0.9.6 beta 2 dubbed as Halloween redsn0w, uses Limera1n exploit instead of 24kpwn exploit used in redsn0w 0.9.6 [...]