SUMMARY STEPS TO REPRODUCE 1. Use FITS Viewer open a fits image whose path contains Chinese word, such as金星_Light_002.fits OBSERVED RESULT FITS Viewer throw error window: unable to open file 金星_Light_002.fits. Error could not open the named file EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
Cannot reproduce this issue, just tested with Chinese words in the file path and it works fine.