I can't find dhtmlxgrid_hextra.js in dhtmlxgrid 2.5

I upgraded dhtmlxgrid from 2.1 to 2.5.



but, I can’t find dhtmlxgrid_hextra.js.



where is it?



Thanks.


Hello,


this library wasn’t included into the grid package. If you need it please contact us at support@dhtmlx.com and provide your ref.number.