As you have probably heard, the greenpois0n jailbreak (kernel-based) untethered exploit has been mitigated by Apple in iOS 4.3 Beta 3. It is now up to comex or pod2g to come up with a new untethered exploit, it appears that the iPhone Dev Team has started to work on porting redsn0w (monte) jailbreak for iOS 4.3.
MuscleNerd responds to comex that the goal is to get Monte jailbreak to work with iOS 4.3. SHSH blobs for 4.1 and 4.2.1 will certainly be useful so be sure to save them using Cydia. The iOS 4.3 release date has yet to be confirmed, but is likely getting close as it is in the 3rd beta
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