When keeping the client in foreground is enabled, opening the preferences window will make it appear behind the main window (especially if it is expanded). Then there will be no way to access the preferences window, which creates a deadlock since it waits for an input.
When keeping the client in foreground is enabled, opening the preferences window will make it appear behind the main window (especially if it is expanded). Then there will be no way to access the preferences window, which creates a deadlock since it waits for an input.