Now i0n1c a.k.a Stefan Esser publicly launched a video demonstrating an untethered jailbroken iPad 3 or the New iPad. The first announcement was from Twitter, telling that his untethered jailbreak exploit was successfully ported to the new iPad 3.
This iOnic's discovery has added another option of what already available methods to untehtered jailbreak the new iPad, in total we have three jailbreak methods.
And this is his notification.
And then here is the video.