When did Firefox Sync start using accounts.firefox.com for their login site? One assumes they’ve owned it since at least then, if not before. https://github.com

When did Firefox Sync start using accounts.firefox.com for their login site? One assumes they’ve owned it since at least then, if not before. https://github.com/search?q=repo%3Amozilla-firefox%2Ffirefox+%22accounts.firefox.com%22&type=commits https://github.com/search?q=repo%3Amozilla-firefox%2Ffirefox... says 2014? So probably earlier than that, though I don't know for sure when.