Pangu Team just released version 1.2.0, which brings some fixes for 32 bits devices.
If you already jailbroken – you don`t need to reapply the jailbreak. Just update it from cydia.
Here you can find the full changelog:
If you don`t have jailbroken already, check out our tutorial on How to Jailbreak iPhone 6 Plus and other iOS 8 compatible devices with Pangu.