> Oh, and no notifications when new kid-friendly content is posted, so if you want notifications 'Support me on Patreon'
How about RSS? Each channel has RSS, and iirc it has only failed once (as in, a few days with no updates even though there were new videos) in the last 4-5 years. I don't use Youtube's system for following channels anymore, I just have a YouTube 'subscriptions' category on my feedly.