After months of silence
, Geohot has finally published a new blog post
in which he talks about iPhone 4 jailbreak situation, limera1n, and Pwned4life exploit which he recently talked about at the Nuit Du Hack conference in Paris. According to his latest blog post, he has managed to jailbreak his iPhone 4 the day it got delivered to him by mail. This is what he writes on his blog:

Got one of these in the mail today and figured I’d give it a shot.
As far as a release goes, it probably won’t happen from me. limera1n is little more than a raindrop on a website; it was never mentioned by me previous to this post. pwned4life is a complete invention of some blogger in a basement somewhere. When I said pwned for life, I was referring to the original iPhone, 3G, and Touch; which of course are, by the aptly named PwnageTool.
Again, please don’t ask for release dates. Every person that does makes me want to release a little bit less.

As for the release dates, it probably wont happen from him. Comex’s Spirit like jailbreak tool is still the most likely candidate for the release, which will probably happen once Apple rolls out the new iOS 4.0.1 / 4.1 firmware
update for iPhone 4, 3GS and 3G.