Add an activity labeled "completed". It's confusing when it says running when activity is complete.
Move the name of the report in the report builder to top
Allow reports to be renamed both from within the report builder and also from the list view
Improve ability to filter reports
Filter where a column is null or when a field is not equal to a certain value
Allow for value contains, is greater than, etc
Allow for the option to use multi-level criteria with ands and ors
Provide access to the more advance functionality alongside the basic filter
Export dates in mm/dd/yyyy format in reports
Provide option to export the report configuration for import to another account
Option to group by - ex. group by country and then by date.
Improve performance and don't start a report until user submits so that they can first set up criteria
Provide ability to store reports by folder
Add ability to do undo and redo
Prompt to save before exiting unsaved changes and provide a cancel option next to the save option
Don't prompt to rename report or change visibility when clicking Save. Add a Save As option instead.
Provide a button to refresh the report when it's open
Allow for sorting by multiple levels (i.e. by date and then by campaign)