I built that ROM back in june and honestly, i don't recommend it, the interface and apps are just terrible and they take almost a year to release a new android version.
I use it to backup apps with Swift Backup, it's not insecure as long as you don't do silly things like modifying system files in a dangerous way, keep in mind that some banking apps and even games won't work if they detect root.
Yeah, as long as Lineage does which is better than other ROMs.