Mozilla Firefox beta specs and Web Browser specifications - CNET

Mozilla Firefox beta specifications

What's new in version 27.0b5

  • NEW: You can now run more than one service at a time with Firefox SocialAPI, allowing you to receive notifications, chat and more from multiple integrated services
  • NEW: Implemented support for TLS 1.2
  • CHANGED: Added support for SPDY 3.1 protocol
  • DEVELOPER: Ability to reset style sheets using 'all:unset'
  • DEVELOPER: You can now choose to deobfuscate javascript in the debugge?
  • DEVELOPER: Added support for scrolled fieldsets
  • DEVELOPER: Implemented allow-popups directive for iframe sandbox, enabling increased security
  • DEVELOPER: CSS cursor keywords -moz-grab and -moz-grabbing have been unprefixed
  • DEVELOPER: Added support for ES6 generators in SpiderMonkey
  • DEVELOPER: Implemented support for mathematical function Math.hypot() in ES6
  • HTML5: Dashed line support on Canvas
  • FIXED: Get Azure/Skia content rendering working on Linux


  • Publisher Mozilla
  • Publisher web site
  • Release date January 10, 2014
  • Date added January 12, 2014
  • Version 27.0b5


System requirements

  • Operating systems Windows 7, Windows 2003, Windows 2000, Windows 8, Windows Vista, Windows XP
  • Additional requirements Not available

Download information

  • File size 276.27K
  • File name FirefoxSetupStub27.0b5.exe


  • Total Downloads 2,136,849
  • Downloads last week 2,307


  • License model Free
  • Limitations Not available
  • Price Not available