Google updated something that broke most third party clients this past week… newpipe had the fix within an evening and the rest followed shortly after.
I had multiple updates over a few days on smarttube beta so the devs must have been working overtime to get it fixed and its working great again now.
Reminder to consider donating to the project if you get use out of it.
And if you need port forwarding use airvpn. Proton seems more and more sketch every day