it was a surprise to discover that this basic operation is not supported in Pano X. It would have saved me hours of tedious work. Will it be implemented later or is there a workaround?
For now, you can use the Field>Morph>Morph Field dialog (also available from the Tool Bar).
This eventually will also be implemented as a separate dialog just for find/replace, but when that happens it won’t do anything you can’t already do now with the Morph Field dialog.