STEPS TO REPRODUCE Filename: "01-Sergei Prokofiev ~ Sonata for Flute and Piano - I. Moderato.flac" (note the tilde, surrounded by spaces, between artist and title" Format: %{track}-%{artist} ~ %{title} OBSERVED RESULT Title: I. Moderato Artist: Sergei Prokofiev ~ Sonata for Flute and Piano EXPECTED RESULT Title: Sonata for Flute and Piano - I. Moderato Artist: Sergei Prokofiev SOFTWARE/OS VERSIONS Linux/KDE Plasma: KDE Plasma Version: 5.26.3 KDE Frameworks Version: 5.100.0 Qt Version: 5.15.7 ADDITIONAL INFORMATION
Your format has two spaces after the tilde, if you delete one, it will work.