May I ask a question about this
There was a response as following."It's on our TOP 5 needed features."
It's almost a year, is it still working on or it has been dropped?
I am sorry but there are no new updates on that topic. Now, we're working on np 1 - the performance https://github.com/handsontable/handsontable/issues/5769
You can track this topic https://github.com/handsontable/handsontable/issues/2305 for updates