Is it not possible to create thumbnails in the arrange pages window much like Affinity or InDesign.
I have included a link to indicate what I mean.
https://photos.app.goo.gl/UhjMi6u2qTKkJA6c6
Not in 1.5.5 or I can't find it.
It would be a nice feature. Perhaps you can submit a request to the bug tracker?
I would not even know how or where to access bug tracker.
Steve
https://bugs.scribus.net/my_view_page.php