Mozilla Firefox today will be Mozilla Firefox 51 Beta 11 sent to the official FTP server, the new Beta version reduces the CPU footprint and GPU rendering performance, an increase of WebGL support in the address bar added scaling instructions, while the FLAC lossless music format Playback provides support. For Windows 10 touch devices, version 51 of the E10S multi-process feature has begun to operate.
Firefox Beta 51.0
November 16, 2016
Version 51.0 beta, first offered to Beta channel users on November 16, 2016
For more information about Developer Edition please see thisMDN article.
View passwords from the prompt before saving them
Zoom indicator is shown in the URL bar if the zoom level is not at default level
Improved video performance for users without GPU acceleration:
Less CPU Usage
Better full screen experience
Support saving passwords for forms without 'submit' events
Remove Belarusian (be) locale
Added support for WebGL 2
Use Skia for content rendering (Linux)