I believe the one thing i see lacking for newpipe is viewing livestreams. Revanced is the way to go for a good youtube experience, but i use newpipe for downloading and saving a video offline.
I've watched livestreams in newpipe. A few hours after it ended I used new pipe again to download the whole thing to see the parts I missed (new pipe wouldn't let me rewind to the start of the livestream after I joined)