the select cover is not in the correct position.
http://docs.webix.com/samples/15_datatable/13_frozen_columns/04_block_selection.html
the select cover is not in the correct position.
http://docs.webix.com/samples/15_datatable/13_frozen_columns/04_block_selection.html
Yep, there is a regression.
Please use blockselect:"box"
for now, to workaround the issue.