6.5.1 appears to fix a security issue reported by the openSUSE security team. https://security.opensuse.org/2025/05/07/deepin-desktop-removal.html#2024-09-02-deepin-system-monitor-added-d-bus-service-and-new-polkit-actions https://github.com/linuxdeepin/deepin-system-monitor/blob/6.5.4/debian/changelog