Lilypond

Raised as a usability problem by 6 people on Hacker News over 15 years (2010–2024), in 5 threads.

People raised many different problems with Lilypond, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 6 complaints

Hard to make lead sheet layout look good; spacing and annotation placement are painful or impossible2024-08-27
Final placement of notation symbols is hard, and most users prefer WYSIWYG editing2024-02-24
Features applying to several notes must be opened after the first note, which is awkward2024-02-23
Small layout tweaks take many slow recompiles and are hard to get right2022-03-10
Doing anything unusual requires a huge learning curve or someone else's prior solution2021-08-16
Editing a note makes the score slow to update, so live preview would lag2010-07-15