would be a very useful tool but unfortunately it can only be used for your own playlist not for every YT generated mixes/playlists

does what it says

The fact that YT isn't already like this is ridiculous, but thanks for the awesome add-on!

Finally! I've been wanting this for so long to deal with my thick as fuck watch-later list.

Great feature! After many years of YouTube removing this very helpful function, we can finally have it on Firefox. Thank you so much for your support!