Mozilla Firefox Changelog

Mozilla Firefox

Mozilla Firefox 28.0

What's new in Mozilla Firefox 28.0

March 18, 2014
  • VP9 video decoding implemented
  • Volume control for HTML5 audio/video
  • Support for Opus in WebM
  • Now that spdy/3 is implemented support for spdy/2 has been removed and servers without spdy/3 will negotiate to http/1 without any penalty
  • Support for MathML 2.0 'mathvariant' attribute
  • Background thread hang reporting
  • Support for multi-line flexbox in layout
  • Various security fixes