Similar request here:https://connect.mozilla.org/t5/ideas/cloud-synced-firefox-profiles-automatically-sync-profile/idi-p/115932?search-action-id=39659561223&search-result-uid=115932Vote on all of them them to get the feature implemented.
Having this feature would be clearly a benefit.Or a simple way to copy all user settings/profile and paste it on the other device.Now, it might be a bit more complicate the copying for different operating system.
