For some reason all my YouTube subscriptions, or at least a big number, suddenly have the notification bell on. I just got 800+ new messages, most of them being over a day old. FFS.
This is related to a recent YouTube Gaming subscription update–your gaming subscriptions have been automatically moved over to main YouTube. You should see a notification in your Subs feed about it. Go here to unsubscribe from any channels: http://youtube.com/subscription_manager …