To view changes and modifications made to a dashboard, click the ellipsis (...) on the top right corner of the dashboard and select History. All the historical changes performed (previous versions) are time-stamped and include the username that executed the change. You can also revert your dashboard to any particular version from the history log.
View the version history for an individual widget to see how it has evolved over time by selecting More Settings then History. Each update is recorded with a timestamp and the user who made the change, making it easy to track edits at the widget level.
You can revert your widget to any particular version from the widget history.