Venced has sponsor block by default.
They started (for me) in the version that addressed the youtube change then the last two did nothing to fix them (for me) I used NewPipe for years many hours a day on multiple tablets and this recent issues are the only ones that's a showstopper - I'm on Vanced until the next update.
I use google spread sheet script to manage a bunch subscriptions into different private playlists accessible via sharelinks in Newpipe. Allows me to keep things in sync with youtube account on other devices.
The standout features are ad- and sponsorblock.
In either case NewPipe has picture-in-picture playback and audio only playback. Not sure what else I'm missing from Premium.
The only times it's not working is because YouTube changed something and you need to download a new version which works pretty good with the appropriate repo in F-Droid.
I just added the repo to F-Droid: https://newpipe.net/FAQ/tutorials/install-add-fdroid-repo/
Why not just use RSS for Youtube updates? Or do you not use RSS at all?
Anyway, personally I've moved my YouTube account to a dummy account.
Newpipe is another ad-free YouTube app. https://newpipe.net/
It's FOSS and doesn't use your Google account, or any of the YouTube APIs. You can still manage subscriptions but you have to import them manually.