The Chronic Dev Team has announced that they've found 5 userland exploits in iOS 5 making it very likely that an untethered jailbreak will be available for the upcoming firmware.
The iPhone Dev-Team has released RedSn0w 0.9.8b7 which brings support for the new iOS 5.0b6 iPad 1 build and adds explicit support for a tethered 4.3.5 jailbreak.
Security on the Apple Touch ID fingerprint reader of the iPhone 6 has only been marginally tightened and it's still vulnerable to a simple fake fingerprint hack.