Playlists show "0" videos (hence also showing no thumbnail) in channels and attributed/shared links to playlists do not work (no videos found)

[gigigigi53]

I'm wanting to know if this gets fixed or not, so here's my issue;
So if I go to any playlists' page in any channel it shows up having 0 videos even though it has 1 or more videos.

Like this:

Hence no video thumbnail is being shown in playlists.

And attributed/shared links to playlists do not work, saying No videos found. , like this:

When will you fix this? Hmm... Let's see...