Improved sync functionality between your mobile and desktop versions of Firefox. Update passwords, history and bookmarks on mobile and access them on your desktop browser (and vice versa).
改进了手机版与桌面版 Firefox 之间的同步功能。您可以在手机版 Firefox 上更新密码、历史记录和书签，然后将这些数据同步至桌面版浏览器中，反之亦然。