Where has this setting been buried then?
It was such an easy thing to do in previous versions. It doesn’t seem to be in the Overrides section. There’s something in the Transform tab called Organize Fields with a sub-text that says
Allows the user to re-order, hide, or rename fields / columns. Useful when data source doesn’t allow overrides for visualizing data.
For some reason, clicking on this does nothing whatsoever.