NewPipe on F-droid hasn’t been updated for a while. The last update was 0.20.1 while the app is on 0.20.6 now. The F-droid version doesn’t work. NewPipe devs are offering their own repo to use on F-droid now days.
I think the /e/ app store should maintain their own package now.
“Don’t think there’s anyone working on this, export your data and import it is Newpipe Legacy or add their repo, uninstall this version, install from theirs.” - Licaon_Kter