Browser upgrade features performance and security improvements, including a speed boost of 20 percent Firefox 3.6, the latest version of Mozilla’s popular browser, was released Thursday, featuring a 20 percent speed improvement over version 3.5, Mozilla said.The browser includes improvements to boost performance for everyday Web tasks like e-mail, uploading of photos, and social networking. JavaScript performance is improved, as are overall browser responsiveness and startup time.[ InfoWorld columnist Randall Kennedy argues this week that Firefox is doomed. ] “Firefox 3.6 is built on Mozilla’s Gecko 1.9.2 Web rendering platform, which has been under development since early 2009 and contains many improvements for Web developers, add-on developers, and users,” according to the Firefox 3.6 Web page. “This version is also faster and more responsive than previous versions and has been optimized to run on small device operating systems such as Maemo.”Other key capabilities include:Personas, to personalize the look of FirefoxPlugin Updater, offering protection against vulnerabilities; out-of-date plug-ins will be detectedStability improvements to decrease crashes caused by third-party softwareForm Complete, in which the browser suggests information for form fields based on common answers in a similar fieldThis story, “Firefox 3.6 released,” was originally published at InfoWorld.com. Technology Industry