I've not attempted to d-u since 31 July and, with a kde system, currently have 89 packages to remove. Would an install of kwin-x11 safely allow me to have a clearer view of what is still uninstallable with a d-u, so I will know when it's Ok to take a risk?
apt-get install kwin-x11 kwin-common kwin-data -d gives me :
The following extra packages will be installed:
breeze breeze-cursor-theme breeze-icon-theme kde-plasma-desktop kde-standard kde-style-breeze kde-style-breeze-qt4 kwin-style-breeze libkdecorations2-5v5 libkdecorations2private5v5
libkf5waylandclient5 libkf5waylandserver5 libkwin4-effect-builtins1 libkwineffects6 libkwinglutils6 qml-module-qtquick-controls-styles-breeze
Suggested packages:
orion-gtk-theme kde-l10n kwin-addons
Recommended packages:
kde-style-qtcurve sddm
The following packages will be REMOVED:
kwin libkdecorations2-5 libkdecorations2private5
The following NEW packages will be installed:
kwin-common kwin-x11 libkdecorations2-5v5 libkdecorations2private5v5
The following packages will be upgraded:
breeze breeze-cursor-theme breeze-icon-theme kde-plasma-desktop kde-standard kde-style-breeze kde-style-breeze-qt4 kwin-data kwin-style-breeze libkf5waylandclient5 libkf5waylandserver5
libkwin4-effect-builtins1 libkwineffects6 libkwinglutils6 qml-module-qtquick-controls-styles-breeze
15 upgraded, 4 newly installed, 3 to remove and 1009 not upgraded.
Need to get 41.7 MB of archives.
After this operation, 17.0 MB of additional disk space will be used.