iOS 8.1.3 has just been released by apple but if you are jailbroken DO NOT UPDATE for it will remove your jailbreak. While this update fixes a few glitches from 8.1.2 its major selling point to most is the reduced available storage needed for updates. If you are simply thinking about updating for storage reasons [...]

iOS 8.1.3 is now out and it patches jailbreaks. If you are jailbroken then do not upgrade or you will lose the chance to jailbreak.