Description
User switching can work with LXDM in desktop components that expect the old gdmflexiserver command. It helps XFCE, screensaver tools, and related session workflows request a login-manager action without requiring GDM.
This is compatibility support for login sessions, not a visible desktop app. It affects user switching behavior, so it is relevant only on systems using LXDM or software that calls gdmflexiserver.