I did a Q&A with MuscleNerd yesterday about the 4.1 jailbreak progress here is what he had to say
How long have you guys been developing the 4.1 jailbreak ?
> In some sense, years! Many of the tools, methods, and concepts carry over from one jailbreak to the next. But as far as the stuff that's brand new and unique to this jailbreak, things really picked up on the day that @pod2g got his SHAtter exploit and payload working ( http://twitter.com/pod2g/status/23932796062 )
How many people are working on the 4.1 Jailbreak ?
> Including both teams and independent contributors who belong to neither team, about 8-10 people are working on the unique aspects of this jailbreak.
Will the 4.1 jailbreak be 4.2 compatible ?
> If it's not already compatible by the time 4.2 comes out, it can likely be made to be compatible. (But nothing is ever 100% predictable.)
Are you guys waiting for the 4.2 GM Build to be released till you drop the new jailbreak ?
> Nope! There are parts of it that aren't fully worked out yet. The goal is to make it easy and safe enough for most peopl...,..
full article
http://www.jailbreakmatrix.com/forum/our-interview-dev-team-about-41
How long have you guys been developing the 4.1 jailbreak ?
> In some sense, years! Many of the tools, methods, and concepts carry over from one jailbreak to the next. But as far as the stuff that's brand new and unique to this jailbreak, things really picked up on the day that @pod2g got his SHAtter exploit and payload working ( http://twitter.com/pod2g/status/23932796062 )
How many people are working on the 4.1 Jailbreak ?
> Including both teams and independent contributors who belong to neither team, about 8-10 people are working on the unique aspects of this jailbreak.
Will the 4.1 jailbreak be 4.2 compatible ?
> If it's not already compatible by the time 4.2 comes out, it can likely be made to be compatible. (But nothing is ever 100% predictable.)
Are you guys waiting for the 4.2 GM Build to be released till you drop the new jailbreak ?
> Nope! There are parts of it that aren't fully worked out yet. The goal is to make it easy and safe enough for most peopl...,..
full article
http://www.jailbreakmatrix.com/forum/our-interview-dev-team-about-41