This issue is now fixed – when you publish a new video or edit an existing one, settings should be saving correctly. Realtime data in YouTube Analytics is also back on track. So sorry for the frustration here. Thanks for bearing with us while we figured things out.https://twitter.com/TeamYouTube/status/1176645711691010048 …
Sorry to hear you've been waiting so long. Unfortunately, our team doesn't have specific timelines for individual channels. Hopefully you don't have to wait too much longer for your update. Thanks for your continued patience.