Apple’s got a nice little surprise for you today – the iOS 4.2 Gold Master released has just gone live and is now available for download. Build number is 8C134. It’s a 549MB download for iPad and, as usual, it’s also available for iPhone 4, 3GS and 3G and iPod Touch 2nd, 3rd, and 4th gen. iOS 4.2 will also bring the very cool AirPlay and AirPrint features to iOS devices. AppAdvice collected the new changes that have been spotted in this iOS 4.2 release. There are new controls for the iPod feature in the multitasking bar, you can create Apple IDs in the MobileMe Panel, enhance parental control and AirPlay in the Youtube app is back in this build. AirPlay for Youtube is right now only enabled for sound.