Internet Explorer 7 ships
IE 7 shipped on 18 October. The specific security improvements are substantial; the deployment trajectory will be visible across the next several years.
Browser-security state, October 2005
Firefox is approaching one year shipping. IE 7 is in beta. The browser-security landscape has shifted substantially through 2005; a status note before the Firefox 1.5 release.
Firefox 1.0 — browser diversity returns
Mozilla Firefox 1.0 shipped on 9 November. The browser landscape has been dominated by Internet Explorer for years; Firefox is the first credible mainstream alternative.