STEPS TO REPRODUCE 1. Open Discover when there are updates available 2. Imediately click "update all" before the download sizes are displayed OBSERVED RESULT Discover hangs and doesn't continue, doesn't ask for root password EXPECTED RESULT Ask for root password and continue updating. Workaround: Wait until download sizes are displayed before clicking "update all". Possible fix: Grey out "update all" until download sizes are displayed. SOFTWARE VERSIONS (available in About System) KDE Plasma Version: 5.12.6 KDE Frameworks Version: 5.44.0 Qt Version: 5.9.5
Will be fixed in 5.12.7. *** This bug has been marked as a duplicate of bug 397192 ***