Firefox release notes
What’s New in Firefox 3.6
# Release Date: January 21st, 2010
# Available in more than 70 languages – get your local version.
# Support for a new type of theme called Personas, which allow users to change Firefox’s appearance with a single click.
# Protection from out-of-date plugins to keep users safer as they browse.
# Open, native video can now be displayed full screen and supports poster frames.
# Improved JavaScript performance, overall browser responsiveness, and startup time.
# The ability for web developers to indicate that scripts should run asynchronously to speed up page load times.
# Continued support for downloadable web fonts using the new WOFF font format.
# Support for new CSS attributes such as gradients, background sizing, and pointer events.
# Support for new DOM and HTML5 specifications including the Drag & Drop API and the File API, which allow for more interactive web pages.
# Changes to how third-party software can integrate with Firefox in order to prevent crashes.
See also: System requirements