when in digikam i use png convert then jpg photo in portrait mode ----png convert --> png photo with thumbnail , preview , editor view in portrait mode . good . but in dolphin thumbnail , preview in data panel are in landscape mode . see the captures Reproducible: Always Expected Results: in dolphin thumbnail , preview in data panel are in portrait mode .
Created attachment 84602 [details] digikam portrait png
Created attachment 84603 [details] dolphin landscape png
Created attachment 84604 [details] original jpg
you can see with original jpg that dolphin takes care of rotation then image is in portrait mode
see solution here https://bugs.kde.org/show_bug.cgi?id=183014#c9
Works for me in KDE Frameworks 5.45.