Excerpt:
Firefox 3.5 (formerly known as Firefox 3.1) Beta 4 is now available for download. This milestone is focused on testing the core functionality provided by many new features and changes to the platform scheduled for Firefox 3.5. Ongoing planning for Firefox 3.1 can be followed at the Firefox 3.5 Planning Center, as well as in mozilla.dev.planning and on irc.mozilla.org in #shiretoko.