The setup Slideshow view has a lots of options listed vertically. Space in GUI is not optimum and require to increase Setup dialog size. This can be problematic for computer with small screen. A layout re-design using a grid approach will improve usability, as Setup/View/Icons which use 2 columns to display all options.
Hello, Here is the merge request of the patch: https://invent.kde.org/kde/digikam/merge_requests/8
Merged with commit: https://invent.kde.org/kde/digikam/commit/0a51bb45191581e29468e6b048514e574bc0cd11