Make Backspace equivalent to Delete on all platforms
Select any object (not text) in MuseScore and press the Backspace key (not the Delete key).
- Result on macOS: the object is deleted.
- Result on other platforms: nothing happens.
Mac computers do not have a Delete key, hence Backspace is used instead. However, Delete still works on macOS if you have it (e.g. via a USB keyboard or fn+Backspace combination).
PCs traditionally have both keys, but not always, especially on smaller laptops and Chromebooks. Naturally, if you run Windows or Linux on Mac hardware (e.g. via Bootcamp or virtual machine) then you will be missing a Delete key.
Backspace is the obvious key to use when Delete is missing. The lesson from macOS is that there doesn't appear to be any disadvantage to enabling Backspace even when Delete is not missing.
Workaround: fn+Backspace or Alt+Backspace can sometimes be used to simulate Delete on keyboards that don't have it, but people should not have to resort to special key combinations just to delete stuff.