Firefox 43 released with 64-bit for Windows, better Private Browsing

[bill]

https://www.mozilla.org/en-US/firefox/43.0/releasenotes/ [mozilla.org]

Version 43.0, first offered to Release channel users on December 15, 2015

• Private Browsing with Tracking Protection offers choice of blocking additional trackers
  
• Improved API support for m4v video playback
  
• Firefox 64-bit for Windows is now available via the Firefox download page
  
• Users can choose search suggestions from the Awesome Bar
  
• On-screen keyboard displayed on selecting input field on devices running Windows 8 or greater
  
• Firefox Health Report has switched to use the same data collection mechanism as telemetry