I haven't flashed it yet... I'll probably get around to doing it this weekend. Several people in the thread said they were able to backup and restore now. I did notice that there has been a revision since he posted it though. The Sprint version is listed as working with no issues.
[RECOVERY] TWRP2.6.3.7 TeamWin Recovery Project 10/23 - xda-developers
TeamWin Projects - TWRP 2.6 - Samsung Galaxy Note 3 (Sprint) | TeamWin
[RECOVERY] TWRP2.6.3.7 TeamWin Recovery Project 10/23 - xda-developers
TeamWin Projects - TWRP 2.6 - Samsung Galaxy Note 3 (Sprint) | TeamWin