Is collapsing fixed columns supported? I can make collapsing work by itself but when I enable fixedColumnsLeft setting the columns are no longer collapsible.
I’ve reproduced the same behavior and that’s a bug.
Here’s a demo: Handsontable example - JSFiddle - Code Playground
Example without the fixedColumnsLeft option:
Example with the fixedColumnsLeft: 3:
Result: The collapse handler is gone for the column named as I
issue reported at GL151