You can update without wiping, so you won't lose anything but root. Just remember to untick the options under wiping in Flashtool. You'll have to root again, but that's just flashing a kernel and SuperSU. It takes literally 1 minute.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service