@TeamYouTube why don't you add such a function for the watch-later playlist in the normal YouTube app?
Automatic fetching and remove it if the video is removed from the watch later playlist.pic.twitter.com/oAkFtYah4p
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By the way, there's an bug in the language file (parsing) in the feedback function. Should I make a feedback about that too, or will you do a bug report on that internally? 
pic.twitter.com/IwOBBy7AAP
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