SUMMARY In any Qt app, which has language change functionality, QDialogButtonBox'es will preserve initial locale. STEPS TO REPRODUCE 1. install kdiskmark 2. open "help -> about..." and look onto "close" button 3. go to "help -> language" and switch app language 4. open "help -> about..." again OBSERVED RESULT "close" button is not re-translated EXPECTED RESULT every widget should be re-translated SOFTWARE/OS VERSIONS Operating System: ALT Linux 20250612 KDE Plasma Version: 6.3.5 KDE Frameworks Version: 6.14.0 Qt Version: 6.9.1