lineage official(s) are very stable and reliable.
Might have an issue now and then. Traditionally it is fixed by the next build.
I have a few devices, and believe it or not, I still use my flo as my main "stable" device. The one you grab when you just want to sit-down and read, catch up on xda, surf YouTube, ect..
Sent from my Nexus 7 (2013) using XDA Labs
are you using one of the newer nightlies then?
same here I was stock marshmellow rooted for ages then it got a bit slow