When adding or updating dashboards, it would be nice to have the option to push updates out to all users that have the same dashboard. In addition/as an alternative, it's tedious to have to share a dashboard with one person at a time. Would be nice to select multiple users with which to share a dashboard.
Additionally it would be better to just create a dashboard that is updated once and anyone can access so you don't have to re-share every time you want to make a change to your dashboard, it is automatically updated for all. It would also be great to share across different role levels.