This announcement is to make you aware of a new initiative we're planning that will aim to improve the experience of guitarists in MuseScore (see the GitHub project here). As a guitarist myself, I suspect that we can attract a far greater number of amateur and professional guitarists by focusing on some straight-forward improvements.
To name a few:
Engraving improvements to match best practice in guitar notation and tablature
Improvements to features that allow guitarists to specify