Mozilla Corporation’s free and open-source web browser, Mozilla Firefox gets a new stable release, Firefox version 44.0.2, which includes new features, bug fixes and more.

Firefox is a fast, full-featured Web browser, which includes pop-up blocking, tab-browsing, integrated Google search, simplified privacy controls, and many additional features.


Made with a mission to put you first
We’ve always designed Firefox to protect and respect your private information. That’s why we’re proud to be voted the Most Trusted Internet Company for Privacy.

Works the way you do
How you use the Web is unique. Firefox lets you change it to match. Remove what you don’t use, keep what you do and put it just about anywhere you want.

Faster at what you do most
Firefox was named the ”speed king” in independent benchmark and performance tests against other browsers. Save time and do just about anything quicker than before.

What’s new in Firefox 44.0.2:


What’s new in Firefox 44.0.1:


  • Fix issue which could lead to the removal of stored passwords under certain circumstances (1242176)
  • Allows spaces in cookie names (1244505)
  • Require NSS 3.21 (1244069)
  • Fix a crash in cache networking (1244076)
  • Fix using WebSockets in service worker controlled pages (1243942)
  • Disable opus/vorbis audio with H.264 (1245696)
  • Ship the Gecko SDK (1243740)
  • Fix for graphics startup crash (GNU/Linux) (1222171)

What’s new in Firefox 44.0:


  • Improved warning pages for certificate errors and untrusted connections
  • Enable H.264 if system decoder is available
  • Enable WebM/VP9 video support on systems that don’t support MP4/H.264
  • In the animation-inspector timeline, lightning bolt icon next to animations running on the compositor thread
  • Support the brotli compression format via HTTPS content-encoding
  • Screenshot commands allow user choice of pixel ratio in Developer Tools
  • Firefox Can Now Get Push Notifications From Your Favorite Sites



  • To support unicode-range descriptor for webfonts, font matching under Linux now uses the same font matching code as other platforms
  • Use a SHA-256 signing certificate for Windows builds, to meet new signing requirements
  • Firefox will no longer trust the Equifax Secure Certificate Authority 1024-bit root certificate or the UTN – DATACorp SGC to validate secure website certificates
  • Stricter validation of web fonts
  • On-screen keyboard support temporarily turned off for Windows 8 and Windows 8.1
  • Support for Direct2D 1.0 has been dropped. Windows 7 users can install the Platform Update to re-enable Direct2D support (to fix font rendering issues)
  • Firefox has removed support for the RC4 cipher


  • Right click on a logged object in the console to store it as a global variable on the page
  • Visual tools for Animation:
    • View/Edit CSS animation keyframe rules directly in the inspector
    • Visually modify the cubic-bezier curve that drives the way animations progress through time
    • Discover and scrub through all CSS animations and transitions playing on the page
    • Learn more:
  • Visual tools for Layout and Styles:
    • Display rulers along the viewport to verify size and position and use the measurement tool to easily detect spacing and alignment problems
    • Use CSS filters to preview and create real-time effects like drop-shadows, sepia, etc
    • Learn more:
  • New memory tool for inspecting the memory heap
  • Service Workers API
  • Built-in JSON reader to intuitively view, search, copy and save data without extensions
  • Jump to function definitions in the debugger with Cmd-Click
  • WebSocket Debugging API and add-on
  • The rule view now displays styles using their authored text, and edits in the rule view are now linked to the style editor

Download: Firefox 44.0.2 for Windows | Firefox 64-bit | 43 MB
Download: Firefox 44.0.2 for Linux | 48.8 MB
Download: Firefox 44.0.2 for MacOS | 78.8 MB


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