N=add  |  drag=move  |  drag edge=resize  |  dblclick/E=edit  |  click=select  |  1-4=risk  |  Delete=remove  |  arrows=change selection  |  hover week header = date  |  drag ⠿ = reorder workstreams  |  dblclick empty cell = add

Editable. Click a cell and paste tab/newline-separated data from Excel or CSV to fill multiple cells at once.