Perma Pin
Firefox only remembers pinned tabs from your last-closed window. Close windows in the wrong order and they vanish. Perma Pin saves all pinned tabs across every window and restores any that go missing on startup. Set it and forget it.
Firefox only remembers pinned tabs from your last-closed window. Close windows in the wrong order and they vanish. Perma Pin saves all pinned tabs across every window and restores any that go missing on startup. Set it and forget it.