Today, Pangu.io has released the Pangu jailbreak 1.2.0 version for iOS 8. The new version is currently only compatible with the official version iOS 8.0/8.1.
The change log:
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.
If you need to jailbreak, your iPhone or iPad must upgrade to iOS 8.1.