Created attachment 141221 [details] Screenshot of the context menu SUMMARY In Dolphin, KMail, Gwenview, KolourPaint and other Qt apps (but not on the GTK apps and desktop) there is extra right and bottom border if the fractional global scaling enabled (125% for example). STEPS TO REPRODUCE 1. Set the global scaling to 125%. 2. Open Qt application. 3. Right mouse click - and see that borders. OBSERVED RESULT Right and bottom border is greater than others. EXPECTED RESULT Symmetric context menu. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Arch Linux KDE Plasma Version: 5.22.5 KDE Frameworks Version: 5.85.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION Screenshot in the attachments and sorry for my bad English.
I just noticed that it is not just white border. Look the intersection with text and pictures in the "Screenshot with intersection" attachment.
Created attachment 141222 [details] Screenshot with intersection
*** This bug has been marked as a duplicate of bug 418166 ***