You can run "gnome-flashback" somehow below i3 using https://github.com/i3-gnome/i3-gnome https://github.com/i3-gnome/i3-gnome This is nothing too complicated,

You can run "gnome-flashback" somehow below i3 using https://github.com/i3-gnome/i3-gnome https://github.com/i3-gnome/i3-gnome This is nothing too complicated, just a session with the right components selected to provide whatever services you need: display management, screen locking, WiFi, etc.