I, too, have faced this.

Please provide more detail as to what product you're using and what version and how exactly it is failing for you.

I am estonian and some of my folder names are in estoninan, like in letters ö ä ü õ.
Playlist wont play these folders. Playlist will paly songs only from english alphabet.

You're showing a screenshot of MMA 2, not MMW4. Can you confirm the problem is in MMA instead?

Song playing is not the one displayed as the current song

Grateful Dead - Women Smarter was playing but in queue show or appears that Brian Eno song is playing. Note the time is well beyond the length of the Eno song.

https://ibb.co/9h8kxQP