"After several years of research, anyone would understand that it would be pointless to grant bug free" . With these words, blunt and probably sincere, I0n1c, author of the exploit used in the latest versions of Redsn0w, PwnageTool and Sn0wbreeze iOS to run the jailbreak on 4.3.1 and higher, suggesting that its next tools may only be distributed paid or otherwise subject to the same donation to the author.
News that if it is confirmed - as it seems from the initial responses of authoritative figures such as the scene of the jailbreak Veeence - could be a real problem for the entire community interest in this type of procedure. However, this stance seems to have been taken only by I0n1c, not many teams from other hackers.