I highly recommend this update. I have a rooted with TWRP ls990. I wanted to get the update but wanted to keep by phone unlocked and rooted. This did the trick and has been running smoothly for the past week. I flashed the DEODEXED version. Keep your rooted phone up to date with this!
http://forum.xda-developers.com/sprint-lg-g3/development/rom-stock-zv6-base-odex-deodex-t2949087
http://forum.xda-developers.com/sprint-lg-g3/development/rom-stock-zv6-base-odex-deodex-t2949087