Hi, Mike 

Sorry for the delayed response time.

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At this time, we don't have any built-in solution to achieve this, but you can suggest it to our developers - they will do their best to make a solution in the future.

Please feel free to search on our suggestions page, 

 to see if someone may be already suggested this feature. If you can't see it, feel free to add your suggestion there,  and as more people vote, the feature will move higher on the priority list.

You can certainly follow our changeLog page if you'd like ( it is also available in the plugin dashboard), where we state any changes/new features/bug fixes during updates;

and our newsletter, so you're informed about new features, bug fixes, freebies, etc.

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If you have coding skills and wish to try to make a custom solution now,

you can check out our available hooks for Developers on this documentation and see if you can find any hook that might help.

Please be advised that custom solutions with hooks are not included in our support.

You can also research resources such as Stack Overflow to see if any other user perhaps found a workaround.

( We do like to give examples for certain solutions, but for this use-case, we, unfortunately, don't have anything yet)

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At this time, you can only try to make duplicates of a table;

for example, add one dummy row of data for the table to become generated initially and then duplicate it from the wpDataTables list;

duplicates will copy all the table settings, and then you can delete the "one dummy row" and add /edit/delete new rows.

I know that is far from the intended goal, at the moment we don't have a solution as needed, sadly.