{"id":2292,"date":"2011-02-22T05:22:21","date_gmt":"2011-02-22T13:22:21","guid":{"rendered":"http:\/\/blog.mozilla.org\/addons\/?p=2292"},"modified":"2011-02-22T05:22:21","modified_gmt":"2011-02-22T13:22:21","slug":"update-your-add-on-in-time-for-firefox-4-2","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/addons\/2011\/02\/22\/update-your-add-on-in-time-for-firefox-4-2\/","title":{"rendered":"Update your add-on in time for Firefox 4"},"content":{"rendered":"<p>Firefox 4 is gearing up for full launch! We&#8217;re really excited about Firefox 4, with a streamlined Add-ons Manager, and numerous other performance and UI improvements.<\/p>\n<p>Firefox 4 Beta is now API frozen, so if you haven&#8217;t already done so, please make sure your add-on is compatible. Firefox 4 is a significant upgrade that may require a little more work to be done to make sure your add-on works than in previous Firefox releases.<\/p>\n<p>Jorge Villalobos has <a href=\"http:\/\/blog.mozilla.org\/addons\/2010\/11\/11\/making-add-on-compatible-firefox-4\">outlined the changes<\/a> to Firefox 4 that may affect add-on compatibility. If you have any  further questions, or concerns, or know of any breaking changes that are not listed, please post in this <a href=\"https:\/\/forums.mozilla.org\/addons\/viewtopic.php?f=7&#038;t=1437\">forum thread<\/a>, or join #extdev on <a href=\"http:\/\/irc.mozilla.org\/\">irc.mozilla.org<\/a> for real-time assistance.<\/p>\n<p>Don&#8217;t forget, Firefox 4 Beta for mobile is available in the Android Market and preparing for final release. <a href=\"https:\/\/wiki.mozilla.org\/Mobile\/Fennec\/Extensions\">Learn more <\/a>about how to make your add-on mobile compatible.<\/p>\n<h2>Firefox 4 Add-on collection competition<\/h2>\n<p>To celebrate Firefox 4&#8217;s arrival, we are launching a new add-on  collection, which will showcase some of the best add-ons for Firefox  4. The collection will be promoted for two months after Firefox 4 is  launched, through the Add-on Manager, our Add-ons Gallery, Facebook, the Rock Your Firefox blog, and through Twitter, among other channels.<\/p>\n<p>To have a chance of being featured in the Firefox 4 add-on collection, once your add-on is ready &#8211; email us at <a href=\"mailto:fx4-compatibility@mozilla.com\">fx4-compatibility@mozilla.com<\/a> with &#8220;Add-on competition&#8221; in the subject line, a link to your add-on, your name, and a brief description of your add-on&#8217;s functionality. The winning 10 add-ons, as chosen by the Mozilla Add-ons team, will be promoted from the Firefox 4 launch day.<\/p>\n<p>Get your entries in by <strong>March 6th 2011<\/strong>. If you win, we&#8217;ll reach out to you to let you know shortly before the launch of Firefox 4. Download the contest rules <a href=\"http:\/\/blog.mozilla.org\/addons\/files\/2011\/02\/Fx4_Contest-Rules_final_updated.pdf\">here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Firefox 4 is gearing up for full launch! We&#8217;re really excited about Firefox 4, with a streamlined Add-ons Manager, and numerous other performance and UI improvements. Firefox 4 Beta is &hellip; <a class=\"go\" href=\"https:\/\/blog.mozilla.org\/addons\/2011\/02\/22\/update-your-add-on-in-time-for-firefox-4-2\/\">Read more<\/a><\/p>\n","protected":false},"author":253,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[388,44,121],"tags":[400,278877,278881,888],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Update your add-on in time for Firefox 4 - Mozilla Add-ons Community Blog<\/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\/addons\/2011\/02\/22\/update-your-add-on-in-time-for-firefox-4-2\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dan Horner\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/addons\/2011\/02\/22\/update-your-add-on-in-time-for-firefox-4-2\/\",\"url\":\"https:\/\/blog.mozilla.org\/addons\/2011\/02\/22\/update-your-add-on-in-time-for-firefox-4-2\/\",\"name\":\"Update your add-on in time for Firefox 4 - 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