@siosm@adamw@garrett@notting my expectation wouldn't be moving just one profile. It would be the entire configuration. That by it declaring a set of one or more more (source, destination) pairs of paths, when installing any flatpak, you would be given the option of moving the config, and possibly on uninstall the option of moving the config back. This would be for any package that declared these pairs, and not specific to Firefox.