Extrapolating the past trends in development of OF, I suspect that it will never have the capabilities that you list at the level of detail that you document.
You may find some Applescript support to give some of the information in rough format.
https://discourse-test.omnigroup.com/t/any-of2-scripts-to-count-tasks-and-projects/9794
or
https://discourse-test.omnigroup.com/t/calculating-the-number-of-days-to-complete-a-task/18097
Finally, have you considered exporting the OF data and using a different app (e.g. a spreadsheet)?
–
JJW
