SUMMARY On a fresh okular install from DMG, running `okular --unique main.pdf` multiple times open many instances of okular, instead of keeping the same one. STEPS TO REPRODUCE 1. Install okular 24.12.0 from DMG on Mac OS (arm64). 2. Run `okular --unique main.pdf` 3. Run `okular --unique main.pdf` OBSERVED RESULT Two windows of Okular open. EXPECTED RESULT A single window of Okular opens. SOFTWARE/OS VERSIONS Windows: macOS: Sequoia 15.2 (available in the Info Center app, or by running `kinfo` in a terminal window) Linux/KDE Plasma: KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION