I have updated my AT&T Note 3 to 4.4.2. I looked at various things....settings, etc. and then moved all my pics, videos, and music back to the micro sd card. Everything seems snappy, no lag, and no problems opening any of my applications. Wake Lock Detector has lost some functionality and must have root to obtain certain statistics again. The camera seems to be a little better in low light environments. This update seems to be problem free but the long term test will be battery longevity, which will be evaluated over the next few days. So far so good. I will proceed without doing a complete wipe and reset for now and see what happens.
Edit: I did wipe the cache partition via the hold 3 button, select, re-boot method.
Sent from my Samsung Galaxy Note 3.