{"id":61653,"date":"2009-03-13T00:00:00","date_gmt":"2009-03-13T00:00:00","guid":{"rendered":"https:\/\/blog.mozilla.org\/foxtail\/2009\/03\/13\/firefox-31-beta-3-now-available-for-download\/"},"modified":"2021-02-08T20:27:56","modified_gmt":"2021-02-08T20:27:56","slug":"firefox-31-beta-3-now-available-for-download","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/en\/mozilla\/firefox-31-beta-3-now-available-for-download\/","title":{"rendered":"Firefox 3.1 Beta 3 now available for download"},"content":{"rendered":"<p><em>Editor\u2019s note: Mozilla released Firefox 3.1 beta 3 on Thursday, March 12, 2009 at 12:11 pm PT. Check out the <a href=\"https:\/\/developer.mozilla.org\/devnews\/index.php\/2009\/03\/12\/firefox-31-beta-3-now-available-for-download\/\" target=\"_blank\" rel=\"noopener noreferrer\">Mozilla Developer News announcement<\/a> reposted below for more details.<\/em><\/p>\n<p>Please note: Firefox 3.1 Beta 3 is a public preview release intended for developer testing and community feedback. It includes many new features as well as improvements to performance, web compatibility, and speed. We recommend that you read the release notes and known issues before installing this beta.<\/p>\n<p>Firefox 3.1 Beta 3 is <a href=\"http:\/\/www.mozilla.com\/en-US\/firefox\/all-beta.html\" target=\"_blank\" rel=\"noopener noreferrer\">now available for download<\/a>. This milestone is focused on testing the core functionality provided by many new features and changes to the platform scheduled for Firefox 3.1. Ongoing planning for Firefox 3.1 can be followed at the <a href=\"https:\/\/wiki.mozilla.org\/Firefox3.1\" target=\"_blank\" rel=\"noopener noreferrer\">Firefox 3.1 Planning Center<\/a>, as well as in <a href=\"http:\/\/groups.google.com\/group\/mozilla.dev.planning\/topics?pli=1\" target=\"_blank\" rel=\"noopener noreferrer\">mozilla.dev.planning<\/a> and on <a href=\"http:\/\/irc.mozilla.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">irc.mozilla.org<\/a> in #shiretoko.<\/p>\n<p>New features and changes in this milestone that require feedback include:<\/p>\n<p>* Improved the new <a href=\"http:\/\/support.mozilla.com\/en-US\/kb\/Private+Browsing\" target=\"_blank\" rel=\"noopener noreferrer\">Private Browsing Mode<\/a>, including the ability to \u201cForget This Site\u201d from the History sidebar.<\/p>\n<p>* Improved performance and stability with the new <a href=\"https:\/\/wiki.mozilla.org\/JavaScript:TraceMonkey\" target=\"_blank\" rel=\"noopener noreferrer\">TraceMonkey<\/a> JavaScript engine.<\/p>\n<p>* Improvements to web worker thread support.<\/p>\n<p>* New native <a href=\"http:\/\/blog.mozilla.org\/webdev\/2009\/02\/12\/native-json-in-firefox-31\/\" target=\"_blank\" rel=\"noopener noreferrer\">JSON support<\/a>.<\/p>\n<p>* Improvements to the Gecko layout engine, including speculative parsing for faster content rendering.<\/p>\n<p>* Support for new web technologies such as the <video> and <audio> elements, the W3C Geolocation API, JavaScript query selectors, CSS 2.1 and 3 properties, SVG transforms and offline applications.<\/p>\n<p>Testers can download <a href=\"http:\/\/www.mozilla.com\/en-US\/firefox\/all-beta.html\" target=\"_blank\" rel=\"noopener noreferrer\">Firefox 3.1 Beta 3 builds<\/a> for<a href=\"https:\/\/www.mozilla.com\/en-US\/products\/download.html?product=firefox-3.1b3&#038;os=win&#038;lang=en-US\" target=\"_blank\" rel=\"noopener noreferrer\"> Windows<\/a>, <a href=\"https:\/\/www.mozilla.com\/en-US\/products\/download.html?product=firefox-3.1b3&#038;os=osx&#038;lang=en-US\" target=\"_blank\" rel=\"noopener noreferrer\">Mac OS X<\/a>, and <a href=\"https:\/\/www.mozilla.com\/en-US\/products\/download.html?product=firefox-3.1b3&#038;os=linux&#038;lang=en-US\" target=\"_blank\" rel=\"noopener noreferrer\">Linux<\/a> in 64 different languages. Developers should also read the <a href=\"https:\/\/developer.mozilla.org\/en\/Firefox_3.1_for_developers\" target=\"_blank\" rel=\"noopener noreferrer\">Firefox 3.1<\/a> for Developers article on the <a href=\"https:\/\/developer.mozilla.org\/En\" target=\"_blank\" rel=\"noopener noreferrer\">Mozilla Developer Center<\/a>.<\/p>\n<p><em>Note: Please do not link directly to the download site. Instead we strongly encourage you to link to this Firefox 3.1 Beta 3 milestone announcement so that everyone will know what this milestone is, what they should expect, and who should be downloading to participate in testing at this stage of development.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Editor\u2019s note: Mozilla released Firefox 3.1 beta 3 on Thursday, March 12, 2009 at 12:11 pm PT. Check out the Mozilla Developer News announcement reposted below for more details. Please note: Firefox 3.1 Beta 3 is a public preview release intended for developer testing and community feedback. It includes many new features as well as [&hellip;]<\/p>\n","protected":false},"author":96,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30,5],"tags":[],"coauthors":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Firefox 3.1 Beta 3 now available for download<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mozilla.org\/en\/mozilla\/firefox-31-beta-3-now-available-for-download\/\" \/>\n<script type=\"application\/ld+json\" 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