After the last system updates, I now experience a slightly different failure:
Model size of -1 is less than 0 qml: Warning: ApplicationHeader is deprecated, remove and use the automatic internal toolbar instead. file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/ForwardButton.qml:33: ReferenceError: globalToolBar is not defined file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/BackButton.qml:33: ReferenceError: globalToolBar is not defined kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found kf5.kservice.services: KServiceTypeTrader: serviceType "ThumbCreator" not found file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/BackButton.qml:33: ReferenceError: globalToolBar is not defined file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/ForwardButton.qml:33: ReferenceError: globalToolBar is not defined file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/BackButton.qml:33: ReferenceError: globalToolBar is not defined file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/ForwardButton.qml:33: ReferenceError: globalToolBar is not defined file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/BackButton.qml:33: ReferenceError: globalToolBar is not defined file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/ForwardButton.qml:33: ReferenceError: globalToolBar is not defined file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/BackButton.qml:33: ReferenceError: globalToolBar is not defined file:///usr/lib/x86_64-linux- gnu/qt5/qml/org/kde/kirigami.2/templates/private/ForwardButton.qml:33: ReferenceError: globalToolBar is not defined Errore di segmentazione (core dump creato) -- System Information: Debian Release: bullseye/sid APT prefers unstable APT policy: (800, 'unstable'), (800, 'testing'), (780, 'experimental'), (500, 'unstable-debug'), (500, 'testing-debug'), (1, 'experimental-debug') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 5.3.0-2-amd64 (SMP w/8 CPU cores) Locale: LANG=it_IT.utf8, LC_CTYPE=it_IT.utf8 (charmap=UTF-8), LANGUAGE=it_IT.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages peruse depends on: ii kio 5.62.1-2 ii libc6 2.29-3 ii libgcc1 1:9.2.1-19 ii libkf5archive5 5.62.0-1 ii libkf5baloo5 5.62.0-2 ii libkf5configcore5 5.62.0-1 ii libkf5coreaddons5 5.62.0-1 ii libkf5declarative5 5.62.0-1 ii libkf5filemetadata3 5.62.0-1 ii libkf5i18n5 5.62.0-1 ii libkf5kiocore5 5.62.1-2 ii libkf5kiowidgets5 5.62.1-2 ii libqt5core5a 5.12.5+dfsg-2 ii libqt5gui5 5.12.5+dfsg-2 ii libqt5qml5 5.12.5-3 ii libqt5quick5 5.12.5-3 ii libqt5sql5 5.12.5+dfsg-2 ii libqt5widgets5 5.12.5+dfsg-2 ii libstdc++6 9.2.1-19 ii peruse-common 1.2+dfsg+20190713-1 ii qml-module-org-kde-kirigami2 5.62.0-2 ii qml-module-org-kde-newstuff 5.62.0-1 ii qml-module-qt-labs-folderlistmodel 5.12.5-3 ii qml-module-qt-labs-settings 5.12.5-3 ii qml-module-qtquick-controls 5.12.5-1 ii qml-module-qtquick-dialogs 5.12.5-1 ii qml-module-qtquick-layouts 5.12.5-3 peruse recommends no packages. peruse suggests no packages. -- no debconf information