SUMMARY *** Okular does not know Plasma activities. *** STEPS TO REPRODUCE 1. Open okular on a Plasma activity with one or more files in tabs 2. Move to another activity 3. Open okular in any way (Alt-F2 + okular, click on a file, open a file from konsole) OBSERVED RESULT We are moved to the first activity and the okular window on this activity is activated (with the new file in a tab). EXPECTED RESULT A new okular Window in the current activity should be opened (except if the previous one is already set to be visible on this activity too). SOFTWARE/OS VERSIONS Linux/KDE Plasma: KDE neon 5.24 (available in About System) KDE Plasma Version: 5.24.0 KDE Frameworks Version: 5.90.0 Qt Version: 5.15.3 ADDITIONAL INFORMATION This is closely related to #442891 but maybe more general