Request for a Diatonic instrument definition
As explained in this "Idea" of the Google Summer of Code (2020), this feature is currently missing in the program: https://musescore.org/en/handbook/developers-handbook/google-summer-cod…
This included the demand about fretted instruments (eg Appalachian dulcimer) as explained in a previous feature request: #153016: add mountain dulcimer incl. a tab preset
The all first links (discussions, various other links for assimilated instruments) remain valid.