Double check to make sure that they've opted-in to receive all notifications and not the occasional option. Let us know if that helps!
@TeamYouTube I got more comments about Notifications not working on today's video. Has there been any progress on looking into this since the other day?
https://youtu.be/fXZZbDjP_Q0 pic.twitter.com/ox49i0njZp
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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