Hi Henning,
So, please: Is there a way to still get single-system PDFs?
maybe you need to call LilyPond with additional parameters like -dtall-page-formats=eps,png,pdf or - dseparate-page-formats=eps,png,pdf AFAIK the latter is for the single systems. Here is where I got this information from: https://gitlab.com/lilypond/lilypond/-/issues/6235 Hope this helps... Cheers, Klaus