SaveDesktop can save:

• your icons, fonts, and themes
• your settings
• your backgrounds (including dynamic wallpapers, provided that the same username is retained)
• your installed Flatpak apps and their data
• your Desktop folder in the home directory
• other items related to your desktop environment (e.g., Cinnamon extensions and applets, KDE Plasma widgets, GNOME and Nautilus extensions, etc.)