In Jammy, had update-manager 1:22.04.9 installed. Enabled proposed and ran update-manager, and selected only update-manager 1:22.04.18 in the list for upgrade. Clicked install now, the installation completed, update-manager recalculated and neither crash nor any side effect in the GUI happened.
In Jammy, had update-manager 1:22.04.9 installed. Enabled proposed and ran update-manager, and selected only update-manager 1:22.04.18 in the list for upgrade. Clicked install now, the installation completed, update-manager recalculated and neither crash nor any side effect in the GUI happened.