The PanguTeam has released Pangu8 1.2, an updated version of their utility to jailbreak iOS 8.0 - 8.1.

Here's what is new:

Version 1.2.0(2014.11.04)
1. Fix the issue that launchd may drain cpu on 32bit devices.
2. Fix Safari reloading bug and occasionally crash problem.
3. Optimize jailbreak process.
4. Restore function now support iPad Air2/iPad Mini3.

You can download the latest version of the Pangu Jailbreak utility from here. If you haven't jailbroken already, you can find instructions on how to do so via the iClarified Jailbreak Wizard.