SUMMARY STEPS TO REPRODUCE 1. Select updates in Discover 2. Click Check for Updates OBSERVED RESULT Update All button is greyed out. Have to restart Discover to re-enable button. EXPECTED RESULT Update All button becomes active as soon as the update check has completed and the list is compiled. SOFTWARE VERSIONS (available in About System) KDE Plasma Version: 5.14.1 KDE Frameworks Version: 5.52.0 Qt Version: 5.11.1 ADDITIONAL INFORMATION This has happened 3 days in a row after I've booted (with Discover auto-starting) and each time I've manually checked or Discover has auto-checked during the day. Only happened after a Neon Dev Stable Update. This is me now: discover/bionic,now 2.1.2-8 amd64 [installed] discover-data/bionic,bionic,now 2.2013.01.11 all [installed,automatic] libdiscover2/bionic,now 2.1.2-8 amd64 [installed,automatic] plasma-discover/bionic,now 5.14.1+p18.04+git20181018.0046-0 amd64 [installed,automatic] plasma-discover-common/bionic,bionic,bionic,now 5.14.1+p18.04+git20181018.0046-0 all [installed,automatic] plasma-discover-flatpak-backend/bionic,now 5.14.1+p18.04+git20181018.0046-0 amd64 [installed,automatic] plasma-discover-private/bionic,now 5.14.1+p18.04+git20181018.0046-0 amd64 [installed,automatic] plasma-discover-snap-backend/bionic,now 5.14.1+p18.04+git20181018.0046-0 amd64 [installed,automatic] plasma-discover-updater/bionic,now 5.14.1+p18.04+git20181018.0046-0 amd64 [installed,automatic] But it started happening after the previous update (not yesterday's).
*** This bug has been marked as a duplicate of bug 399981 ***