In an interview to iDesignTimes p0sixninja commented that he will definitely not release jailbreak for iOS 6.x.
“I will at least wait for 7.0, if not even 7.1″
To that he added:
“I’ve … been working on it [a while]. Some of them [vulnerabilities] were ideas I had years ago, but everyone said I was crazy, and I’ve just started looking into them more and realizing I was right…”