I think this is a dependency issue. Has anyone else had a similar problem and knows how to resolve it? Output below after attempted upgrade....
Synchronizing package databases...
core is up to date
extra 8.3 MiB 1604 KiB/s 00:05 [#######################################################################################] 100%
community is up to date
multilib is up to date
:: Starting full system upgrade...
:: Replace attica with extra/attica5? [Y/n] y
:: Replace baloo with extra/baloo5? [Y/n] y
:: Replace bluez-qt with extra/bluez-qt5? [Y/n] y
:: Replace frameworkintegration with extra/frameworkintegration5? [Y/n] y
:: Replace kactivities with extra/kactivities5? [Y/n] y
:: Replace kactivities-stats with extra/kactivities-stats5? [Y/n] y
:: Replace karchive with extra/karchive5? [Y/n] y
:: Replace kauth with extra/kauth5? [Y/n] y
:: Replace kbookmarks with extra/kbookmarks5? [Y/n] y
:: Replace kcmutils with extra/kcmutils5? [Y/n] y
:: Replace kcodecs with extra/kcodecs5? [Y/n] y
:: Replace kcompletion with extra/kcompletion5? [Y/n] y
:: Replace kconfig with extra/kconfig5? [Y/n] y
:: Replace kconfigwidgets with extra/kconfigwidgets5? [Y/n] y
:: Replace kcoreaddons with extra/kcoreaddons5? [Y/n] y
:: Replace kcrash with extra/kcrash5? [Y/n] y
:: Replace kdbusaddons with extra/kdbusaddons5? [Y/n] y
:: Replace kdeclarative with extra/kdeclarative5? [Y/n] y
:: Replace kded with extra/kded5? [Y/n] y
:: Replace kdesu with extra/kdesu5? [Y/n] y
:: Replace kdnssd with extra/kdnssd5? [Y/n] y
:: Replace kfilemetadata with extra/kfilemetadata5? [Y/n] y
:: Replace kglobalaccel with extra/kglobalaccel5? [Y/n] y
:: Replace kguiaddons with extra/kguiaddons5? [Y/n] y
:: Replace kholidays with extra/kholidays5? [Y/n] y
:: Replace ki18n with extra/ki18n5? [Y/n] y
:: Replace kiconthemes with extra/kiconthemes5? [Y/n] y
:: Replace kidletime with extra/kidletime5? [Y/n] y
:: Replace kio with extra/kio5? [Y/n] y
:: Replace kitemmodels with extra/kitemmodels5? [Y/n] y
:: Replace kitemviews with extra/kitemviews5? [Y/n] y
:: Replace kjobwidgets with extra/kjobwidgets5? [Y/n] y
:: Replace knewstuff with extra/knewstuff5? [Y/n] y
:: Replace knotifications with extra/knotifications5? [Y/n] y
:: Replace knotifyconfig with extra/knotifyconfig5? [Y/n] y
:: Replace kpackage with extra/kpackage5? [Y/n] y
:: Replace kparts with extra/kparts5? [Y/n] y
:: Replace kpeople with extra/kpeople5? [Y/n] y
:: Replace kpty with extra/kpty5? [Y/n] y
:: Replace kquickcharts with extra/kquickcharts5? [Y/n] y
:: Replace krunner with extra/krunner5? [Y/n] y
:: Replace kservice with extra/kservice5? [Y/n] y
:: Replace ktexteditor with extra/ktexteditor5? [Y/n] y
:: Replace ktextwidgets with extra/ktextwidgets5? [Y/n] y
:: Replace kunitconversion with extra/kunitconversion5? [Y/n] y
:: Replace kwallet with extra/kwallet5? [Y/n] y
:: Replace kwayland with extra/kwayland5? [Y/n] y
:: Replace kwidgetsaddons with extra/kwidgetsaddons5? [Y/n] y
:: Replace kwindowsystem with extra/kwindowsystem5? [Y/n] y
:: Replace kxmlgui with extra/kxmlgui5? [Y/n] y
y:: Replace modemmanager-qt with extra/modemmanager-qt5? [Y/n] y
:: Replace networkmanager-qt with extra/networkmanager-qt5? [Y/n] y
:: Replace plasma-framework with extra/plasma-framework5? [Y/n] y
:: Replace prison with extra/prison5? [Y/n] y
:: Replace purpose with extra/purpose5? [Y/n] y
:: Replace qqc2-desktop-style with extra/qqc2-desktop-style5? [Y/n] y
:: Replace solid with extra/solid5? [Y/n] y
:: Replace sonnet with extra/sonnet5? [Y/n] y
:: Replace syndication with extra/syndication5? [Y/n] y
:: Replace syntax-highlighting with extra/syntax-highlighting5? [Y/n] y
:: Replace threadweaver with extra/threadweaver5? [Y/n] y
resolving dependencies...
looking for conflicting packages...
error: failed to prepare transaction (could not satisfy dependencies)
:: removing kiconthemes breaks dependency 'kiconthemes' required by isoimagewriter
:: removing kcrash breaks dependency 'kcrash' required by isoimagewriter
:: removing solid breaks dependency 'solid' required by isoimagewriter
Synchronizing package databases...
core is up to date
extra 8.3 MiB 1604 KiB/s 00:05 [#######################################################################################] 100%
community is up to date
multilib is up to date
:: Starting full system upgrade...
:: Replace attica with extra/attica5? [Y/n] y
:: Replace baloo with extra/baloo5? [Y/n] y
:: Replace bluez-qt with extra/bluez-qt5? [Y/n] y
:: Replace frameworkintegration with extra/frameworkintegration5? [Y/n] y
:: Replace kactivities with extra/kactivities5? [Y/n] y
:: Replace kactivities-stats with extra/kactivities-stats5? [Y/n] y
:: Replace karchive with extra/karchive5? [Y/n] y
:: Replace kauth with extra/kauth5? [Y/n] y
:: Replace kbookmarks with extra/kbookmarks5? [Y/n] y
:: Replace kcmutils with extra/kcmutils5? [Y/n] y
:: Replace kcodecs with extra/kcodecs5? [Y/n] y
:: Replace kcompletion with extra/kcompletion5? [Y/n] y
:: Replace kconfig with extra/kconfig5? [Y/n] y
:: Replace kconfigwidgets with extra/kconfigwidgets5? [Y/n] y
:: Replace kcoreaddons with extra/kcoreaddons5? [Y/n] y
:: Replace kcrash with extra/kcrash5? [Y/n] y
:: Replace kdbusaddons with extra/kdbusaddons5? [Y/n] y
:: Replace kdeclarative with extra/kdeclarative5? [Y/n] y
:: Replace kded with extra/kded5? [Y/n] y
:: Replace kdesu with extra/kdesu5? [Y/n] y
:: Replace kdnssd with extra/kdnssd5? [Y/n] y
:: Replace kfilemetadata with extra/kfilemetadata5? [Y/n] y
:: Replace kglobalaccel with extra/kglobalaccel5? [Y/n] y
:: Replace kguiaddons with extra/kguiaddons5? [Y/n] y
:: Replace kholidays with extra/kholidays5? [Y/n] y
:: Replace ki18n with extra/ki18n5? [Y/n] y
:: Replace kiconthemes with extra/kiconthemes5? [Y/n] y
:: Replace kidletime with extra/kidletime5? [Y/n] y
:: Replace kio with extra/kio5? [Y/n] y
:: Replace kitemmodels with extra/kitemmodels5? [Y/n] y
:: Replace kitemviews with extra/kitemviews5? [Y/n] y
:: Replace kjobwidgets with extra/kjobwidgets5? [Y/n] y
:: Replace knewstuff with extra/knewstuff5? [Y/n] y
:: Replace knotifications with extra/knotifications5? [Y/n] y
:: Replace knotifyconfig with extra/knotifyconfig5? [Y/n] y
:: Replace kpackage with extra/kpackage5? [Y/n] y
:: Replace kparts with extra/kparts5? [Y/n] y
:: Replace kpeople with extra/kpeople5? [Y/n] y
:: Replace kpty with extra/kpty5? [Y/n] y
:: Replace kquickcharts with extra/kquickcharts5? [Y/n] y
:: Replace krunner with extra/krunner5? [Y/n] y
:: Replace kservice with extra/kservice5? [Y/n] y
:: Replace ktexteditor with extra/ktexteditor5? [Y/n] y
:: Replace ktextwidgets with extra/ktextwidgets5? [Y/n] y
:: Replace kunitconversion with extra/kunitconversion5? [Y/n] y
:: Replace kwallet with extra/kwallet5? [Y/n] y
:: Replace kwayland with extra/kwayland5? [Y/n] y
:: Replace kwidgetsaddons with extra/kwidgetsaddons5? [Y/n] y
:: Replace kwindowsystem with extra/kwindowsystem5? [Y/n] y
:: Replace kxmlgui with extra/kxmlgui5? [Y/n] y
y:: Replace modemmanager-qt with extra/modemmanager-qt5? [Y/n] y
:: Replace networkmanager-qt with extra/networkmanager-qt5? [Y/n] y
:: Replace plasma-framework with extra/plasma-framework5? [Y/n] y
:: Replace prison with extra/prison5? [Y/n] y
:: Replace purpose with extra/purpose5? [Y/n] y
:: Replace qqc2-desktop-style with extra/qqc2-desktop-style5? [Y/n] y
:: Replace solid with extra/solid5? [Y/n] y
:: Replace sonnet with extra/sonnet5? [Y/n] y
:: Replace syndication with extra/syndication5? [Y/n] y
:: Replace syntax-highlighting with extra/syntax-highlighting5? [Y/n] y
:: Replace threadweaver with extra/threadweaver5? [Y/n] y
resolving dependencies...
looking for conflicting packages...
error: failed to prepare transaction (could not satisfy dependencies)
:: removing kiconthemes breaks dependency 'kiconthemes' required by isoimagewriter
:: removing kcrash breaks dependency 'kcrash' required by isoimagewriter
:: removing solid breaks dependency 'solid' required by isoimagewriter