Just moments ago iPhone Dev Team released the redsn0w 0.9 public beta download for Windows and Mac, supporting the latest iPhone OS 3.1.2 the cross-platform jailbreaking and unlocking utility for iPhone and iPod Touch also supports customizations like changing of device boot logo, recovery logo, and allows users to switch on “verbose” booting mode.

The free standalone utility does not use iTunes and no custom IPSW's are involved in the process, the current beta supports all iPhones and iPod touches except the iPod touch 3G having Apple firmware 3.0 and 3.1.2, direct download links are at the end of this post.

Popular iPhone/iPod jail-breaking utility redsn0w is soon going to be updated and made available to Windows, Mac And Linux users allowing jailbreaking of iDevices running iPhone OS 3.1.2, iPhone Dev Team member musclenerd twitted that they have found the lost redsn0w source-code and are going

With Chronic Dev Team's progress reports on iPhone OS 3.1 exploit and Jailbreak everybody was expecting them to take the lead with Greenpois0n jailbreaking utility coming before iPhone Dev Team release's their updated PwnageTool 3.1 compatible with Apple's latest 3.1 firmware update, however, the iPhone Dev Team has now once again taken the lead by releasing an updated version of PwnageTool 3.1 for MacOS X - the updated utility lets users jailbreak iPhone OS 3.1 by creating an custom IPSW file without updating the baseband and hence retaining the Ultrasn0w unlock and jailbreak.

The bad news is that the current release of PwnageTool 3.1 is available only for Mac OS X and supports iPhone 1st Generation (2G), iPhone 3G and the iPod Touch 1G only - that means no jailbreak for Windows and iPhone 3GS/iPod Touch 2G/iPod Touch 3G users as of now.