I looked again and realized that checkbox is now deprecated in favor of checkbox-ng, and only has a qml-ubuntu-based frontend. So this does need removing also.
** Changed in: checkbox (Ubuntu) Status: Invalid => In Progress -- You received this bug notification because you are a member of Ubuntu SDK bug tracking, which is subscribed to ubuntu-ui-extras in Ubuntu. https://bugs.launchpad.net/bugs/1711204 Title: Remove ubuntu-ui-toolkit from the archive Status in checkbox package in Ubuntu: In Progress Status in libertine package in Ubuntu: Fix Committed Status in notes-app package in Ubuntu: New Status in ubuntu-filemanager-app package in Ubuntu: New Status in ubuntu-keyboard package in Ubuntu: New Status in ubuntu-printing-app package in Ubuntu: New Status in ubuntu-push-qml package in Ubuntu: New Status in ubuntu-settings-components package in Ubuntu: New Status in ubuntu-system-settings package in Ubuntu: New Status in ubuntu-system-settings-online-accounts package in Ubuntu: Fix Released Status in ubuntu-ui-extras package in Ubuntu: New Status in ubuntu-ui-toolkit package in Ubuntu: New Status in ubuntu-ui-toolkit-gles package in Ubuntu: New Status in unity-webapps-qml package in Ubuntu: New Status in url-dispatcher package in Ubuntu: New Status in webbrowser-app package in Ubuntu: New Bug description: The Qt transition is currently blocked by ubuntu-ui-toolkit because the version of ubuntu-ui-toolkit in the archive uses Qt 5.7.1 private headers that have been since deprecated. ubuntu-ui-toolkit should be removed from the archive (unless anyone still needs it, please do make your case) and all of it's reverse dependencies (marked as affected on this bug report) should either be ported to use native Qt libraries or removed from the archive. This is blocking the Qt 5.9 transition, so it should be done promptly. Full list of reverse dependencies: * checkbox-converged (for qml-module-ubuntu-components) * libertine-qt-common (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * notes-app (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * notes-app-autopilot (for ubuntu-ui-toolkit-autopilot) * qml-module-ubuntu-components-gles [amd64 i386] (for qml-module-ubuntu-components-labs) * qml-module-ubuntu-components-gles [amd64 i386] (for ubuntu-ui-toolkit-theme) * qml-module-ubuntu-components-labs-gles [amd64 i386] (for ubuntu-ui-toolkit-theme) * qml-module-ubuntu-settings-components (for qml-module-ubuntu-components) * qml-module-ubuntu-ui-extras-browser [amd64 arm64 armhf i386] (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * qml-module-ubuntu-web [amd64 arm64 armhf i386] (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * qtdeclarative5-ubuntu-push-plugin (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * qtdeclarative5-ubuntu-ui-extras0.2 (for qml-module-ubuntu-components) * ubuntu-filemanager-app (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * ubuntu-filemanager-app-autopilot (for ubuntu-ui-toolkit-autopilot) * ubuntu-keyboard-autopilot (for ubuntu-ui-toolkit-autopilot) * ubuntu-keyboard-data (for qml-module-ubuntu-components) * ubuntu-printing-app (for qml-module-ubuntu-components) * ubuntu-system-settings (for qml-module-ubuntu-components) * ubuntu-system-settings-autopilot (for ubuntu-ui-toolkit-autopilot) * ubuntu-system-settings-online-accounts (for qml-module-ubuntu-components) * unity-webapps-qml [amd64 arm64 armhf i386] (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * url-dispatcher (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * webapp-container [amd64 arm64 armhf i386] (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * webapp-container-autopilot (for ubuntu-ui-toolkit-autopilot) * webbrowser-app [amd64 arm64 armhf i386] (for qtdeclarative5-ubuntu-ui-toolkit-plugin) * webbrowser-app-autopilot (for ubuntu-ui-toolkit-autopilot) Packages without architectures listed are reverse-dependencies in: amd64, arm64, armhf, i386, ppc64el, s390x To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/checkbox/+bug/1711204/+subscriptions -- Mailing list: https://launchpad.net/~ubuntu-sdk-bugs Post to : ubuntu-sdk-bugs@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-sdk-bugs More help : https://help.launchpad.net/ListHelp