Hi Sami, This is a known tricky problem. Search the archives of this list about this. There is quite a lot of discussion. It's not a shortcoming of lilypond but a consequence of non commensurate lines.
Andrew On Mon, 1 Jun 2020 at 07:25, Sami Amiris <sami.ami...@gmail.com> wrote: > I am writing a heavily polymetric piece and I have issues with line breaking > in a system.
