SUMMARY STEPS TO REPRODUCE 1. Select Plugins / Install Plugins menu item OBSERVED RESULT Dolphin says "Couldn't open appstream://org.kde.kipi_plguins" SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: Kubuntu 20.10 (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
*** This bug has been marked as a duplicate of bug 421015 ***