Currently when watching for example a Youtube video, the media is called "watch?v=<video id>" rather than the title as shown on Youtube itself. You can observe this behaviour in the media player widget.
Git commit 82f73fd89bbb37d703fc387f5249471f0ff7bd45 by George Florea Bănuș. Committed on 30/09/2021 at 16:30. Pushed by georgefb into branch 'master'. fix(mpris): only show filename if there's no title M +7 -4 src/mpris2/mediaplayer2player.cpp https://invent.kde.org/multimedia/haruna/commit/82f73fd89bbb37d703fc387f5249471f0ff7bd45