Created attachment 128500 [details] Screenshot of the Muon Package Manager with search terms entered and no results displayed SUMMARY When searching for a package or packages in Muon, using a correctly configured set of software sources and choosing "All" in the package filter list, no packages appear, even though the search term(s) refer to available or installed packages. STEPS TO REPRODUCE 1. Launch Muon 2. Ensure that you have all of the software sources enabled in the Settings panel 3. Click the "All" filter on the far left side of the interface 4. Click on the search bar at the top of the results pane 5. Enter some keywords to search for a package or packages (e.g. chromium), and ensure that the package cache is not being (re)built (indicator at bottom right of program window) OBSERVED RESULT No results are returned, regardless of the search terms entered. EXPECTED RESULT All packages that contain the given search terms, whether in their description, title, etc. should be retrieved and displayed in the results pane to the right of the filters list. SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
*** Bug 426554 has been marked as a duplicate of this bug. ***
*** Bug 421278 has been marked as a duplicate of this bug. ***
I am experiencing the same behaviour. Additional info: SOFTWARE/OS VERSIONS Linux/KDE Plasma: Kubuntu 20.04. Linux (x86_64) release 5.4.0-47-generic (available in About System) KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.68.0 Qt Version: 5.12.8 ADDITIONAL INFORMATION I have just installed kubuntu 20.04 from scratch. It was working fine in my previous kubuntu 18.04
Muon is no longer maintained, please switch no a supported alternative like https://apps.kde.org/discover/ or the package manager native no your system. Sorry for the inconvenience.