Also, we support migrating the symbol library of ArcGIS, ESRI. You can migrate the symbol library by the migration plugin with the indication of this sharing document.
https://docs.google.com/document/d/1qlsPILC8OBEYG8d7uvWOJ0Z6lhUov5vs/edit?pli=1
https://drive.google.com/file/d/1guxjB_yocukfVuTQRynfku76_ce_f8_V/view?pli=1
