The "database properties" and "bibtex key patterns" per database help to share .bib-files in a version control system as they ensure same saving in different settings.
However, following settings should also be stored there to ensure proper collaboration:
Related [feature-requests:#619]
Related
Feature Requests: #619
Follow up for the sorting options at https://github.com/JabRef/jabref/issues/520. Therefore, I close this ticket.