There are a set of bulk actions available for custom or brand new widgets which can be found under Toolbox >> Widget Manager:
The available bulk actions are to Delete, Enable and Disable selected widgets:
Please keep in mind that bulk actions apply to only custom or brand new widgets, these actions are not available for default widgets.
To perform a bulk action on widgets, either select all widgets by clicking on the checkbox specified below:
Or select the widgets individually:
Then select one of the bulk actions available and click on Apply:
Once clicked, a confirmation pop-up will appear:
Once confirmed, the selected bulk action will be applied to the selected widgets: