The users can now also save passwords for forms that dont have submit events.
They have also enabled Skia 2D graphics library for content rendering by default in the Linux build too.
Besides using less CPU power, the new Firefox version promises a better full-screen experience.
The new release also implements atomic uploads when syncing bookmarks to improve reliability.
Firefox 51.0 is available now as a free, open-source download for Windows, Mac and Linux.
Further, Firefox for Android 51.0 is also due for release.
source: www.techworm.net