I've flashed the 20260301 image and then upgraded in separate steps.
This is the upgrade that triggered this issue Upgrade: libkf6pty-data:arm64 (6.20.0-1, 6.23.0-1), frameworkintegration6:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-newstuff:arm64 (6.20.0-1, 6.23.0-1), libkf6wallet-data:arm64 (6.20.0-1, 6.23.0-1), libkf6authcore6:arm64 (6.20.0-1, 6.23.0-1), libkf6widgetsaddons6:arm64 (6.20.0-1, 6.23.0-1), libkf6su-bin:arm64 (6.20.0-1, 6.23.0-1), libkf6declarative-data:arm64 (6.20.0-1, 6.23.0-1), libkf6coreaddons6:arm64 (6.20.0-1, 6.23.0-1), libkf6idletime6:arm64 (6.20.0-1, 6.23.0-1), libkf6solid-data:arm64 (6.20.0-2, 6.23.0-1), libkf6package6:arm64 (6.20.0-1, 6.23.0-1), libkf6newstuffwidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6service6:arm64 (6.20.0-1, 6.23.0-1), libkf6su-data:arm64 (6.20.0-1, 6.23.0-1), libkf6textwidgets-data:arm64 (6.20.0-1, 6.23.0-1), libkf6purposewidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6kcmutils6:arm64 (6.20.0-1, 6.23.0-1), libkf6bookmarkswidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6itemviews6:arm64 (6.20.0-1, 6.23.0-1), libkf6sonnetcore6:arm64 (6.20.0-1, 6.23.0-1), libkf6syntaxhighlighting-data:arm64 (6.20.0-1, 6.23.0-1), libkf6svg6:arm64 (6.20.0-1, 6.23.0-1), libkf6contacts-data:arm64 (6.20.0-1, 6.23.0-1), libkf6notifyconfig6:arm64 (6.20.0-1, 6.23.0-1), libkf6dbusaddons6:arm64 (6.20.0-1, 6.23.0-1), libkf6wallet6:arm64 (6.20.0-1, 6.23.0-1), libkf6prisonscanner6:arm64 (6.20.0-1, 6.23.0-1), libkf6i18n-data:arm64 (6.20.0-1, 6.23.0-2), libkf6baloo6:arm64 (6.20.0-1, 6.23.0-1), libkf6kiogui6:arm64 (6.20.0-1, 6.23.0-1), libkf6kcmutils-data:arm64 (6.20.0-1, 6.23.0-1), libkf6configwidgets-data:arm64 (6.20.0-2, 6.23.0-1), libkf6userfeedbackwidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6filemetadata-bin:arm64 (6.20.0-1+b1, 6.23.0-1), libkf6windowsystem-data:arm64 (6.20.0-2, 6.23.0-1), libkf6kiowidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6kcmutils-bin:arm64 (6.20.0-1, 6.23.0-1), libkf6configwidgets6:arm64 (6.20.0-2, 6.23.0-1), libkf6doctools6:arm64 (6.20.0-1, 6.23.0-1), libkf6auth-data:arm64 (6.20.0-1, 6.23.0-1), kwallet6:arm64 (6.20.0-1, 6.23.0-1), libkf6config-bin:arm64 (6.20.0-1, 6.23.0-2), libkf6colorscheme6:arm64 (6.20.0-2, 6.23.0-1), libkf6codecs-data:arm64 (6.20.0-1, 6.23.0-1), libkf6guiaddons-data:arm64 (6.20.0-1, 6.23.0-2), libkf6texteditor-katepart:arm64 (6.20.0-1, 6.23.0-1), kio6:arm64 (6.20.0-1, 6.23.0-1), libkf6coreaddons-data:arm64 (6.20.0-1, 6.23.0-1), libkf6colorscheme-data:arm64 (6.20.0-2, 6.23.0-1), libkf6threadweaver6:arm64 (6.20.0-1, 6.23.0-1), libkf6sonnet-data:arm64 (6.20.0-1, 6.23.0-1), libkf6statusnotifieritem-data:arm64 (6.20.0-1, 6.23.0-1), libkf6windowsystem6:arm64 (6.20.0-2, 6.23.0-1), libkf6syntaxhighlighting6:arm64 (6.20.0-1, 6.23.0-1), libkf6parts-data:arm64 (6.20.0-1, 6.23.0-1), libkf6completion-data:arm64 (6.20.0-1, 6.23.0-1), libkf6package-data:arm64 (6.20.0-1, 6.23.0-1), libkf6i18n6:arm64 (6.20.0-1, 6.23.0-2), libkf6codecs6:arm64 (6.20.0-1, 6.23.0-1), libkf6bluezqt6:arm64 (6.20.0-1, 6.23.0-1), libkf6iconthemes-bin:arm64 (6.20.0-1, 6.23.0-1), libkf6calendarcore6:arm64 (6.20.0-2, 6.23.0-1), libkf6bluezqt-data:arm64 (6.20.0-1, 6.23.0-1), libkf6userfeedbackcore6:arm64 (6.20.0-1, 6.23.0-1), libkf6modemmanagerqt6:arm64 (6.20.0-1, 6.23.0-1), libkf6jobwidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6solid6:arm64 (6.20.0-2, 6.23.0-1), libkf6unitconversion-data:arm64 (6.20.0-1, 6.23.0-1), libkf6bookmarks-data:arm64 (6.20.0-1, 6.23.0-1), libkf6kcmutilsquick6:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-kcmutils:arm64 (6.20.0-1, 6.23.0-1), libkf6runner6:arm64 (6.20.0-1, 6.23.0-2), libkf6globalaccel6:arm64 (6.20.0-1, 6.23.0-1), libkf6purpose-data:arm64 (6.20.0-1, 6.23.0-1), libkf6dbusaddons-bin:arm64 (6.20.0-1, 6.23.0-1), libkf6su6:arm64 (6.20.0-1, 6.23.0-1), sonnet6-plugins:arm64 (6.20.0-1, 6.23.0-1), libkf6syndication6:arm64 (6.20.0-1, 6.23.0-1), libkf6balooengine6:arm64 (6.20.0-1, 6.23.0-1), libkf6purpose6:arm64 (6.20.0-1, 6.23.0-1), libkf6iconwidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6notifications6:arm64 (6.20.0-1, 6.23.0-1), kimageformat6-plugins:arm64 (6.20.0-1, 6.23.0-1), libkf6notifyconfig-data:arm64 (6.20.0-1, 6.23.0-1), libkf6itemmodels6:arm64 (6.20.0-1, 6.23.0-1), libkf6service-data:arm64 (6.20.0-1, 6.23.0-1), libkf6notifications-data:arm64 (6.20.0-1, 6.23.0-1), libkf6holidays6:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-guiaddons:arm64 (6.20.0-1, 6.23.0-2), libkf6configcore6:arm64 (6.20.0-1, 6.23.0-2), libkf6texteditor-bin:arm64 (6.20.0-1, 6.23.0-1), libkf6calendarevents6:arm64 (6.20.0-1, 6.23.0-1), libkf6userfeedback-data:arm64 (6.20.0-1, 6.23.0-1), libkf6pty6:arm64 (6.20.0-1, 6.23.0-1), kded6:arm64 (6.20.0-1+b1, 6.23.0-1), libkf6sonnetui6:arm64 (6.20.0-1, 6.23.0-1), libkf6xmlgui-data:arm64 (6.20.0-1, 6.23.0-1), kpackagetool6:arm64 (6.20.0-1, 6.23.0-1), libkf6jobwidgets-data:arm64 (6.20.0-1, 6.23.0-1), libkf6breezeicons6:arm64 (6.20.0-1, 6.23.0-1), libkf6service-bin:arm64 (6.20.0-1, 6.23.0-1), libkf6unitconversion6:arm64 (6.20.0-1, 6.23.0-1), libkf6texteditor-data:arm64 (6.20.0-1, 6.23.0-1), libkf6filemetadata3:arm64 (6.20.0-1+b1, 6.23.0-1), libkf6texteditor6:arm64 (6.20.0-1, 6.23.0-1), libkf6attica6:arm64 (6.20.0-1, 6.23.0-1), libkf6iconthemes-data:arm64 (6.20.0-1, 6.23.0-1), libkf6xmlgui6:arm64 (6.20.0-1, 6.23.0-1), libkf6userfeedback-doc:arm64 (6.20.0-1, 6.23.0-1), libkf6bookmarks6:arm64 (6.20.0-1, 6.23.0-1), libkf6prison6:arm64 (6.20.0-1, 6.23.0-1), libkf6people6:arm64 (6.20.0-2, 6.23.0-1), libkf6kiocore6:arm64 (6.20.0-1, 6.23.0-1), libkf6networkmanagerqt6:arm64 (6.20.0-1, 6.23.0-1), libkf6configqml6:arm64 (6.20.0-1, 6.23.0-2), libkf6filemetadata-data:arm64 (6.20.0-1, 6.23.0-1), libkf6guiaddons6:arm64 (6.20.0-1, 6.23.0-2), libkf6dbusaddons-data:arm64 (6.20.0-1, 6.23.0-1), libkf6config-data:arm64 (6.20.0-1, 6.23.0-2), qml6-module-org-kde-desktop:arm64 (6.20.0-2, 6.23.0-2), libkf6newstuffcore6:arm64 (6.20.0-1, 6.23.0-1), libkf6walletbackend6:arm64 (6.20.0-1, 6.23.0-1), libkf6contacts6:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-ksvg:arm64 (6.20.0-1, 6.23.0-1), libkf6qqc2desktopstyle-data:arm64 (6.20.0-2, 6.23.0-2), libkf6archive-data:arm64 (6.20.0-1, 6.23.0-1), libkf6crash6:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-kquickcontrols:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-notifications:arm64 (6.20.0-1, 6.23.0-1), baloo6:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-userfeedback:arm64 (6.20.0-1, 6.23.0-1), libkf6guiaddons-bin:arm64 (6.20.0-1, 6.23.0-2), libkf6globalaccel-data:arm64 (6.20.0-1, 6.23.0-1), libkf6kiofilewidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6people-data:arm64 (6.20.0-2, 6.23.0-1), qml6-module-org-kde-syntaxhighlighting:arm64 (6.20.0-1, 6.23.0-1), libkf6textwidgets6:arm64 (6.20.0-1, 6.23.0-1), libkf6widgetsaddons-data:arm64 (6.20.0-1, 6.23.0-1), libkf6purpose-bin:arm64 (6.20.0-1, 6.23.0-1), libkf6iconthemes6:arm64 (6.20.0-1, 6.23.0-1), libkf6archive6:arm64 (6.20.0-1, 6.23.0-1), libkf6statusnotifieritem6:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-i18n-localedata:arm64 (6.20.0-1, 6.23.0-2), libkf6i18nlocaledata6:arm64 (6.20.0-1, 6.23.0-2), libkf6completion6:arm64 (6.20.0-1, 6.23.0-1), libkf6newstuff-data:arm64 (6.20.0-1, 6.23.0-1), libkf6configgui6:arm64 (6.20.0-1, 6.23.0-2), libkf6dnssd-data:arm64 (6.20.0-1, 6.23.0-1), libkf6peoplebackend6:arm64 (6.20.0-2, 6.23.0-1), libkf6i18nqml6:arm64 (6.20.0-1, 6.23.0-2), libkf6holidays-data:arm64 (6.20.0-1, 6.23.0-1), libkf6style6:arm64 (6.20.0-1, 6.23.0-1), qml6-module-org-kde-purpose:arm64 (6.20.0-1, 6.23.0-1), libkf6parts6:arm64 (6.20.0-1, 6.23.0-1), libkf6itemviews-data:arm64 (6.20.0-1, 6.23.0-1), libkf6dnssd6:arm64 (6.20.0-1, 6.23.0-1), libkf6kcmutilscore6:arm64 (6.20.0-1, 6.23.0-1)
