I upgraded Smartware to v. 1.6.0 two days ago. I was training this version near 24 hours and my conclusion is, that this version is not working properly. Files, I have changed, are not backuped instantly, but only after full backup.
WD Backup Engine is working all the time, using 13-25% CPU and doing nothing(in my mind).
I will try come back to previous version but I am afraid of unknown problems.