Apple just released their newest operating system today, the detail are listed below :
For you jailbreaker please be aware that this update will close any jailbreak flaws out there and theres been no sign that 8.1.3 jailbreak will be released soon.
And for those who has already updated to 8.1.3, you can downgrade to 8.1.2 as Apple still signing the firmware.
GilaKunters 