A DBus runner can specify X-Plasma-Request-Actions-Once which means that its actions are only queried once on loading. However, when using a DBus runner with wildcard service, it will keep a list of matching services to be queried. If no matching service exists at the time the runner is loaded, no actions will ever be queried. STEPS TO REPRODUCE 1. Have p-b-i installed and all 2. Kill krunner 3. Don't launch the browser 4. Type a krunner query 5. Start the browser 6. Play a video or some other audio 7. Search for that tab OBSERVED RESULT A tab result with audio indicator but no "mute" button will be listed EXPECTED RESULT A tab result with audio indicator and "mute" button will be listed SOFTWARE/OS VERSIONS Linux/KDE Plasma: git master as of 2021-04-04